CN102797316A - Flat roof fireproof and thermal insulating brick, its preparation process and construction method - Google Patents
Flat roof fireproof and thermal insulating brick, its preparation process and construction method Download PDFInfo
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- CN102797316A CN102797316A CN2012102917209A CN201210291720A CN102797316A CN 102797316 A CN102797316 A CN 102797316A CN 2012102917209 A CN2012102917209 A CN 2012102917209A CN 201210291720 A CN201210291720 A CN 201210291720A CN 102797316 A CN102797316 A CN 102797316A
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Abstract
Relating to a thermal insulating brick, the invention provides a flat roof fireproof and thermal insulating brick, its preparation process and construction method. The thermal insulating brick is provided with a colored fireproof and thermal insulating layer and a grey fireproof and thermal insulating layer. The colored fireproof and thermal insulating layer is composed of the following materials: foam concrete, expanded vermiculite powder, fine sand, water, a waterproof agent, fiber yarns, an inorganic pigment and inorganic bright powder. The grey fireproof and thermal insulating layer is composed of the foam concrete, the expanded vermiculite powder, the fine sand, water, the waterproof agent, the fiber yarns, and fly ash. The preparation process consists of: placing a mold beside a vibration table; pouring a colored slurry into the mold, and conducting vibration to obtain a colored slurry layer; stirring a grey slurry and pouring it on top of the colored slurry layer, carrying out compaction and flattening so as to obtain a grey slurry layer; stacking a single mold on a flat module or an iron plate for curing, maintenance, and demolding, thus obtaining the flat roof fireproof and thermal insulating brick. During construction, on a supporting template plane, a reinforced concrete structure layer, a slope-making and leveling layer, a coating waterproof layer, a coil waterproof layer, a bonding layer, and the flat roof fireproof and thermal insulating brick are constructed in order; and then brick joints are filled.
Description
Technical field
The present invention relates to a kind of insulating brick, especially relate to a kind of flat roof deck fireproof heat insulating brick and preparation technology thereof and flat roof deck fireproof heat insulating brick job practices.
Background technology
Existing many reports of fireproof heat insulating brick and product, for example:
Chinese patent CN2316356 discloses a kind of silicon vuv light body fireproof insulation brick, comprises the uniform can of wall, the silver layer of sintering around the housing internal cavity, the protection glaze layer of silver layer external surface sintering and the vacuum cavity of sealing.
Chinese patent CN102320804A discloses a kind of compressive strength and fire-protection rating is high; The non-bearing heat-preserving brick of insulation, good flame retardation effect; Consist of according to the percent by volume raw material: haydite 35%～45%, glass bead 20%～25%, float stone or slag 10%～15%, cement 8%～12%, flyash 3%～5%, lime 3%～5%, FTC phase-changing energy-storing heat insulating material 2%～3%, gypsum 2%～3%, asbestos or rock wool 1%～3%, Admixture 1%～2%, described Admixture is made up of for 1～2 part 3～4 parts of early strength admixture, 3～4 parts of air entraining agents, 1～2 part of water reducing agent and hydrophober according to the parts by weight meter.This non-bearing heat-preserving brick can be made into all kinds and specifications such as solid brick, porous brick, not only is convenient to construction, and can reduces bearing capacity of foundation soil, is suitable for space enclosing structure for building, is particularly suitable for highrise building and uses.
Chinese patent CN102452825A discloses a kind of insulating brick of fire-proof sound insulation, and the raw materials by weight portion ratio is prepared from: pure calcium aluminate cement: bauxite: water: the waste and old textile bag silk of kaolinite clay: flyash=10～25: 70～90: 35～55: a little: 40～60.
Chinese patent CN101088957 discloses a kind of new insulating brick and preparation method thereof.Its preparation method may further comprise the steps: 1) take by weighing each raw material by following weight portion: expanded perlite or granules of polystyrene 0.5-2 part, gypsum 0.5-20 part and acidify magaldrate heat insulating material additive 0.5-20 part; 2) above-mentioned raw materials is mixed after, be incorporated as the water of 0.8-1.2 times of weight of mixture total weight amount, use traditional brickmaking technology pressing to process brick, do not calcine and be drying to obtain.
Chinese patent CN1995652 discloses a kind of roofing and wall inner waterproofing high-heat insulating brick, adopts the eps foam plate to make basic brick, and through embedded keel, the method that is coated with water-repellent paint outward firmly combines cystosepiment with cement concrete.Around the brick is convex concave, can reach the effect that discharges water in the two pass of seamless link after the construction.
Chinese patent CN201395900 discloses a kind of insulating brick surface layer roof structure; This roof structure is followed successively by roofing base concrete layer, waterproofing course, cement mortar setting course, foamed pearlite insulating brick surface layer from bottom to up, and the brickwork joint of described foamed pearlite insulating brick is bondd by the pitch ointment.
Summary of the invention
The object of the present invention is to provide a kind of flat roof deck fireproof heat insulating brick and preparation technology thereof.
Another object of the present invention is to provide a kind of job practices of flat roof deck fireproof heat insulating brick.
Said flat roof deck fireproof heat insulating brick is provided with the upper and lower, and said upper strata is colored fireproof thermal-insulation layer, and said lower floor is the grey fireproof thermal-insulation layer;
The material of said colored fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; Press mass ratio; Foam concrete: expanded vermiculite powder: fine sand: water is 50: (40～45): (5～10): (30～40); By mass percentage, the addition of waterproof agent, fibre, inorganic pigment, inorganic glitter powder is respectively foam concrete (2%～3%), (1%～2%), (3%～6%), (2%～3%).
The material of said grey fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, flyash; Press mass ratio; Foam concrete: expanded vermiculite powder: fine sand: water is 50: (40～45): (5～10): (30～40); By mass percentage, the addition of waterproof agent, fibre, flyash is respectively foam concrete (2%～3%), (1%～2%), (5% ~ 8%).
The thickness of said colored fireproof thermal-insulation layer can be 8～12mm; The thickness of said grey fireproof thermal-insulation layer can be 38～42mm.
The thickness of said colored fireproof thermal-insulation layer is preferably 10mm; The thickness of said grey fireproof thermal-insulation layer is preferably 40mm.
Said waterproof agent can adopt architectural waterproofing agent of organosilicon commonly used, and for example Xiamen Mei Naishi company or Xiamen letter can reach the waterproofing agent of organosilicon product that company produces.
Said inorganic pigment can adopt the oxide of non-ferrous metal etc.
Said foam concrete can select for use the Xiamen to move the product of inferior topological energy-conservation Science and Technology Ltd..Said expanded vermiculite powder can be selected the bagged product of the permanent vermiculite power process plants in source, Lingshou County, Hebei for use.The bagged product that said flyash can select for use Xiamen benefit material flyash Co., Ltd to produce.Said fine sand can be selected the river sand of Jiao Mei town, Longhai City, ZhangZhou to prosperous sand field, mud content＜1% (mass percent) for use.Said waterproof agent can select for use the Xiamen letter can reach the DKN6 liquid of industry and trade Co., Ltd.The defend and split fibre silk bagged product that said fibre can select for use Xiamen brightness science and technology material technology article Co., Ltd to produce.
The preparation technology of said flat roof deck fireproof heat insulating brick may further comprise the steps:
1) makes mould, be deposited in the vibroplatform next door;
2) pour in the mould after colored slurry is stirred, vibrate colored pulp layer;
3) with pouring into above the colored pulp layer after the stirring of grey slurry, compacting, pressing get the grey pulp layer;
4) single mould be deposited on smooth module or the iron plate be cured, maintenance, the demoulding, flat roof deck fireproof heat insulating brick.
In step 1), the specification of said mould can be 300mm * 300mm * 50mm or 250mm * 250mm * 50mm.
In step 2) in, the time of said vibration can be 2～3min; The thickness of said colored pulp layer can be 10mm ± 2mm.
In step 3), the thickness of said grey pulp layer can be 40mm ± 1.5mm.
In step 4), the time of said curing and maintenance can be 4～7 days.
Gained flat roof deck fireproof heat insulating brick product can be by high-quality product, certified products, waste product classification, and general requirements product surface color is unified, no truncation arrisdefect, and flatness 2mm, diagonal is poor≤4mm.
The job practices of said flat roof deck fireproof heat insulating brick may further comprise the steps:
1) the cast-in-situ reinforced concrete structure layer on the support shuttering plane;
2) sloping leveling layer is looked in construction on the reinforced concrete structure layer;
3) looking for the coating waterproof layer of constructing on the sloping leveling layer;
4) coil waterproof layer of on coating waterproof layer, constructing;
5) tack coat of on coil waterproof layer, constructing;
6) on tack coat, lay flat roof deck fireproof heat insulating brick;
7) with waterproofing slurry to the brickwork joint between the flat roof deck fireproof heat insulating brick fill, pressing, compacting, accomplish the construction of flat roof deck fireproof heat insulating brick.
In step 1), the thickness of said reinforced concrete structure layer can be 110mm ± 10mm.
In step 2) in, saidly look for sloping leveling layer can adopt the foam concrete to look for sloping leveling layer, the said thinnest part of sloping leveling layer of looking for can be 50mm.
In step 3), the material of said coating waterproof layer can be waterproof coating material of cement based polymer etc., and the thickness of said coating waterproof layer can be 2mm ± 0.2mm.
In step 4), the material of said coil waterproof layer can adopt polyethylene polypropylene macromolecular compounded waterproof material etc., and the thickness of said coil waterproof layer can be 1.5mm ± 0.2mm;
Said polyethylene polypropylene macromolecular compounded waterproof material mainly is to be raw material with nonwoven and polyvinyl, mixes auxiliary agent, improve the performance manufacturing a kind of enhance protection layer, anti-aging layer, waterproofing course and tack coat are arranged is the composite water-proof material of one; This composite sheet material is two rough surface up and down; Non-woven fabrics fiber is random chi structure; Form three-dimensional mesh, have tensile strength height, strong, the characteristics such as distortion is little, friction factor big, can be used with multiple bonding agent, adhesive effect is good of expanding with heat and contract with cold of impervious ability.
In step 5), the thickness of said tack coat can be 30mm; Tack coat can be prepared the back at the construction field (site) and arrive roofing with the trolley vertical transport, and it is floating that discharging is decomposed the tile work position; Said tack coat raw material composition by mass percentage can be: foam concrete: expanded vermiculite powder: flyash: fine sand: water=(35%～40%): (30%～35%): (10%～15%): (15%～20%): (40%～50%); Bonding layer material possesses the fireproof heat insulating function simultaneously; Be preferably in the 24h during construction and finish using, in order to avoid fixed waste.
In step 6), the seam between the said flat roof deck fireproof heat insulating brick is apart from can be 10mm.
In step 7); The raw material composition of said waterproofing slurry can be cement, expanded vermiculite powder, flyash, fine sand, water and waterproof agent; Said cement, expanded vermiculite powder, flyash, fine sand and water can be cement by mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: (55～60): (15～20): 5: (20～30), the addition of said waterproof agent are (2%～3%) of cement by mass percentage; Said waterproof agent can adopt waterproofing agent of organosilicon for building, and for example Xiamen Mei Naishi company or Xiamen letter can reach the product that company produces.
The foam concrete is the homogeneous mixture that adopts vegetalitas composite foamable agent and cement slurry, and the porosity that has a sealing through the cast-in-place formation of foaming reaches the concrete structure of lower modulus of elasticity.To the reduction variable that expands with heat and contract with cold, eliminate internal stress and have and absorb preferably and dissipation role; The function that has fire prevention, sound insulation, heat-insulation and heat-preservation simultaneously.
Expanded vermiculite powder: vermiculite is a kind of water aluminosilicate that contains magnesium of layer structure, is the generation of natural minerals weathering alteration such as biotite, is block, sheet and granular, and volume increases 18～25 times behind high temperature, and color becomes golden yellow or silvery white.40～120 purpose expanded vermiculite powders have insulation, anti-ly freeze, advantage such as antibiotic, fire prevention, sound insulation, light weight.
Flyash is to receive the thin ash of catching behind the coal combustion in the flue gas, improves the workability of mixing, and strengthens the caking property of mixture.Reduce the heat of cremating, improve impervious ability.
The effect of fine sand mainly is the compressive strength that strengthens mixture.
Waterproof agent can increase the impervious ability of mixture, and it is inner that the fixed back of mixture stops external water source to get into mixture.
Fibre: in mixture, add the extension strength that fibre can improve mixture, strengthen adhesion strength, prevent the craze and transfiguration of mixture.
Inorganic pigment is the oxide of non-ferrous metal.Waterproof thermal-insulated employing be synthetic inorganic pigment, this pigment variety chromatogram is complete, bright in colour, pure; Strong coloring force.Principal item has iron oxide red, chrome oxide green, iron oxide yellow, iron oxide black etc.
Inorganic glitter powder; That inorganic glitter powder has in mixture is dispersed strong, the characteristics of good stability.The surface light of raising pearlite layer is arranged, become the function of uitraviolet intensity.
Show that according to above-mentioned analysis flat roof deck fireproof heat insulating brick according to the invention has good fire prevention and heat insulation function.
The systematization of fireproof heat insulating brick is applied to the gradient≤3% flat roof deck construction, simplifies the roofing construction operation, overcomes the common quality defect of roofing cracking seepage.
The advantage of the flat roof deck job practices of said flat roof deck fireproof heat insulating brick is following:
1. the various materials that in work progress, use of the present invention all are with the common combination of inorganic material as carrier.Material has cosolvency, practicality, caking property and ageing resistace etc. preferably.
2. the insulating brick specification of the present invention's use has solved common quality defects such as the hollowing that roofworks causes because of the thermal stresses system changes, distortion, cracking effectively, makes the roofworks system construction that complete reliable quality certification system arranged.
3. the present invention has simplified the working procedure of roofworks, reduction of erection time not only, and be convenient to the unified management of job site, and reduce management cost, improve project management efficient.
4. generally use the roofing bearing load of polyphenyl extruded sheet construction technology to be 560kg/m in the engineering at present
2, flat roof structure bearing load of the present invention is 330kg/m
2, phase p-poly-phenyl extruded sheet construction technology, the roofing load has reduced by 41%, helps improving the whole anti-seismic performance of building.
Flat roof deck engineering construction method of the present invention belongs to fire prevention energy-saving material-saving innovative technology, is specially adapted to hot summer and warm winter zone and Xia Redong cryogenic region.
Description of drawings
Fig. 1 is the structural representation of flat roof deck fireproof heat insulating brick embodiment according to the invention.
The specific embodiment
Following examples will be further described the present invention.
Embodiment 1
The preparation technology of said flat roof deck fireproof heat insulating brick may further comprise the steps:
1) make mould, be deposited in the vibroplatform next door, the specification of said mould can be 300mm * 300mm * 50mm.
2) pour in the mould after colored slurry is stirred, vibrate colored pulp layer (being upper strata or colored fireproof thermal-insulation layer); The time of said vibration is 2min; The thickness of said colored pulp layer is 10mm.
3) with pouring into above the colored pulp layer after the stirring of grey slurry, compacting, pressing get grey pulp layer (being lower floor or grey fireproof thermal-insulation layer); The thickness of said grey pulp layer is 40mm.
4) single mould be deposited on smooth module or the iron plate be cured, maintenance, the demoulding, flat roof deck fireproof heat insulating brick.The time of said curing and maintenance is 4 days.
Gained flat roof deck fireproof heat insulating brick product can be by high-quality product, certified products, waste product classification, and general requirements product surface color is unified, no truncation arrisdefect, and flatness≤2mm, diagonal is poor≤4mm.
The material of said colored fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; Press mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 40: 10: 30, by mass percentage, the addition of waterproof agent, fibre, inorganic pigment, inorganic glitter powder is respectively 2.5%, 1% of foam concrete,, 4.5%, 2%.
The material of said grey fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent and fibre; Press mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 43: 5: 30, and by mass percentage, the addition of waterproof agent, fibre, flyash is respectively 2%, 1% of foam concrete.5%。
The thickness of said colored fireproof thermal-insulation layer is 8mm; The thickness of said grey fireproof thermal-insulation layer is 38mm.
Said waterproof agent can adopt architectural waterproofing agent of organosilicon commonly used, and for example Xiamen Mei Naishi company or Xiamen letter can reach the waterproofing agent of organosilicon product that company produces.
Said inorganic pigment can adopt the oxide of non-ferrous metal etc.
Said foam concrete can select for use the Xiamen to move the product of inferior topological energy-conservation Science and Technology Ltd..Said expanded vermiculite powder can be selected the bagged product of the permanent vermiculite power process plants in source, Lingshou County, Hebei for use.The bagged product that said flyash can select for use Xiamen benefit material flyash Co., Ltd to produce.Said fine sand can be selected the river sand of Jiao Mei town, Longhai City, ZhangZhou to prosperous sand field, mud content＜1% (mass percent) for use.Said waterproof agent can select for use the Xiamen letter can reach the DKN6 liquid of industry and trade Co., Ltd.The defend and split fibre silk bagged product that said fibre can select for use Xiamen brightness science and technology material technology article Co., Ltd to produce.
Embodiment 2
Similar with embodiment 1, its difference is:
1) make mould, be deposited in the vibroplatform next door, the specification of said mould is 250mm * 250mm * 50mm.
2) pour in the mould after colored slurry is stirred, vibrate colored pulp layer (being upper strata or colored fireproof thermal-insulation layer); The time of said vibration is 2.5min; The thickness of said colored pulp layer is 11mm.
3) with pouring into above the colored pulp layer after the stirring of grey slurry, compacting, pressing get grey pulp layer (being lower floor or grey fireproof thermal-insulation layer); The thickness of said grey pulp layer is 41.5mm.
4) single mould be deposited on smooth module or the iron plate be cured, maintenance, the demoulding, flat roof deck fireproof heat insulating brick.The time of said curing and maintenance is 7 days.
The material of said colored fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; Press mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 43: 5: 40, and by mass percentage, the addition of waterproof agent, fibre, inorganic pigment, inorganic glitter powder is respectively 2%, 1.5%, 3%, 3% of foam concrete.
The material of said grey fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent and fibre; Press mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 40: 8: 40, and by mass percentage, the addition of waterproof agent, fibre, flyash is respectively 2.5%, 2% of foam concrete.
The thickness of said colored fireproof thermal-insulation layer is 10mm; The thickness of said grey fireproof thermal-insulation layer is 40mm.
Embodiment 3
Similar with embodiment 1, its difference is:
1) make mould, be deposited in the vibroplatform next door, the specification of said mould is 250mm * 250mm * 50mm.
2) pour in the mould after colored slurry is stirred, vibrate colored pulp layer (being upper strata or colored fireproof thermal-insulation layer); The time of said vibration is 3min; The thickness of said colored pulp layer is 12mm.
3) with pouring into above the colored pulp layer after the stirring of grey slurry, compacting, pressing get grey pulp layer (being lower floor or grey fireproof thermal-insulation layer); The thickness of said grey pulp layer is 40mm.
4) single mould be deposited on smooth module or the iron plate be cured, maintenance, the demoulding, flat roof deck fireproof heat insulating brick.The time of said curing and maintenance is 5 days.
The material of said colored fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; Press mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 45: 8: 35, and by mass percentage, the addition of waterproof agent, fibre, inorganic pigment, inorganic glitter powder is respectively 3%, 2%, 6%, 2.5% of foam concrete.
The material of said grey fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent and fibre; Press mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 45: 10: 35, and by mass percentage, the addition of waterproof agent, fibre, flyash is respectively 3%, 1.5% of foam concrete.8%。
The thickness of said colored fireproof thermal-insulation layer is 12mm; The thickness of said grey fireproof thermal-insulation layer is 42mm.
The job practices that below provides said flat roof deck fireproof heat insulating brick may further comprise the steps:
1) the cast-in-situ reinforced concrete structure layer on the support shuttering plane; The thickness of said reinforced concrete structure layer can be 110mm ± 10mm.
2) sloping leveling layer is looked in construction on the reinforced concrete structure layer; Saidly look for sloping leveling layer can adopt the foam concrete to look for sloping leveling layer, the said thinnest part of sloping leveling layer of looking for can be 50mm.
3) looking for the coating waterproof layer of constructing on the sloping leveling layer; The material of said coating waterproof layer can be waterproof coating material of cement based polymer etc., and the thickness of said coating waterproof layer can be 2mm ± 0.2mm.
4) coil waterproof layer of on coating waterproof layer, constructing; The material of said coil waterproof layer can adopt polyethylene polypropylene macromolecular compounded waterproof material etc., and the thickness of said coil waterproof layer can be 1.5mm ± 0.2mm.
Said polyethylene polypropylene macromolecular compounded waterproof material mainly is to be raw material with nonwoven and polyvinyl, mixes auxiliary agent, improve the performance manufacturing a kind of enhance protection layer, anti-aging layer, waterproofing course and tack coat are arranged is the composite water-proof material of one.This composite sheet material is two rough surface up and down; Non-woven fabrics fiber is random chi structure; Form three-dimensional mesh, have tensile strength height, strong, the characteristics such as distortion is little, friction factor big, can be used with multiple bonding agent, adhesive effect is good of expanding with heat and contract with cold of impervious ability.
5) tack coat of on coil waterproof layer, constructing; The thickness of said tack coat can be 30mm.
6) on tack coat, lay flat roof deck fireproof heat insulating brick; Seam between the said flat roof deck fireproof heat insulating brick is apart from can be 10mm.
7) with waterproofing slurry to the brickwork joint between the flat roof deck fireproof heat insulating brick fill, pressing, compacting, accomplish the construction of flat roof deck fireproof heat insulating brick.The composition of said waterproofing slurry is cement, expanded vermiculite powder, flyash, fine sand, water and waterproof agent; Said cement, expanded vermiculite powder, flyash, fine sand and water can be cement by mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: 55: 18: 5: 25, the addition of said waterproof agent was 2% of cement by mass percentage; Said waterproof agent can adopt waterproofing agent of organosilicon for building, and for example Xiamen Mei Naishi company or Xiamen letter can reach the product that company produces.
In step 7), the composition of the waterproofing slurry that is adopted and proportioning also can be selected for use:
Said cement, expanded vermiculite powder, flyash, fine sand and water are cement by mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: 58: 15: 5: 20, the addition of said waterproof agent was 2.5% of cement by mass percentage; Or
Said cement, expanded vermiculite powder, flyash, fine sand and water are cement by mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: 60: 20: 5: 30, the addition of said waterproof agent was 3% of cement by mass percentage.
The integrated working procedure flow process of flat roof deck fireproof heat insulating brickwork journey specifies as follows:
The construction of load-carrying members layer: on steel pipe frame supports good template, carry out the cast of cast-in-situ reinforced concrete, thickness is 110mm.Before concrete is built, should inspection and size, specification, quantity and the position of control template, reinforcing bar, topping and built-in fitting etc., its deviate can be built after should meeting the regulation of current national standard " concrete structure engineering construction and standards of acceptance ".Deck carried out maintenance 28 days according to the temperature difference and humidity to it after building and accomplishing, and can carry out the next procedure construction.It is evenly closely knit smooth to vibrate during cast.Quality control standard is B50163-92.The pumping Commercial Concrete of selecting for use Xiamen China letter concrete work development corporation, Ltd. or Xianmen International port group concrete company to produce during construction.Intensity etc. are more than the C25.
On deck, construct:
Look for sloping leveling layer: the material of looking for sloping leveling layer to use is a HT foam concrete: HT foam concrete mainly adopts PY-1 vegetalitas composite foamable agent evenly to mix with cement paste; The many also property and the lower modulus of elasticity that have sealing through the cast-in-place formation of foaming; To reduction expand with heat and contract with cold variable, eliminate internal stress and have and absorb preferably and dissipation role; Thereby look for sloping leveling layer can not establish the branch slot, and have lightweight, heat insulation function.
HT foam concrete construction process and points for attention are following:
HT foam concrete quality requirement (operative norm Q/NHT001-2007) as shown in table 1.
Table 1
HT foam concrete executes flow process and points for attention are following:
According to design grade and flowing water aspect, be 50mm with the thickness of looking for glass leveling layer thinnest part, find out highest point and lowest part, the backguy levelling, look for the slope to do ash cake.The ash cake material is 1: 2 cement mortar, and the ash cake spacing is preferably 1.5～2m, presses directly to make things convenient for guiding ruler to smear.
Build and earlier bottom sprinkled water before the foam concrete moisteningly, sweep and be coated with water/binder ratio 0.4～0.5 cement paste together, and with brush with watering concrete.
After the foaming of foaming machine and pumping system answer the test running affirmation normal, intact before the foam concrete system of mixing; In order cement, Admixture, water, blowing agent are added to mix and stir to stir in the container by match ratio again and process slurries; And be transported to operating surface through pumping system and spray and build; Build by the past lower of eminence, itemize moves back to near-end from far-end one by one and waters.The itemize width is conveniently to smear press operation degree of being, the spray foam concrete comes and goes operation along parallel cornice, day trench culture, progressively boosts.Floating work is inserted in good time, and guiding ruler leans on straight along the ash cake rubbing and pressure, form floating screed, wipes off with long float to polish again.Place, negative and positive angle takes circular arc in the lump out of, and the circular arc radius is preferably 10mm.
Should after natural curing, can carry out the construction of later process after the foam concrete has been constructed, the intermittent time is minimum to be 3d.
Foam concrete construction in layer is following:
When the thickness of foam concrete surpasses 100mm, carry out placement layer by layer.Answer layering before secondary is built, join two-way concrete slab net sheet in during layering.This measure can reduce cracking and increase weight capacity.
Looking for the film waterproof material of constructing on the sloping leveling layer:
To check before the construction of waterproof layer look for whether smooth, clean, the no ponding of sloping leveling layer, no hollowing, no dust, no greasy dirt, uneven to handle one whole; The crack is with the levelling of the loss circulation material cementation of fissures; Circular arc type is made at the negative and positive angle; The material for preparing in proportion is applied on the leveling layer with roller or brush equably, successively accomplishes according to the order on prime coat-nonwoven-middle level-upper strata, a former coating film of the time interval between each layer is done solid not touching with one's hand and is as the criterion.Waterproofing course adopts waterproof coating material of cement based polymer.Waterproof coating material of cement based polymer is to be primary raw material with acrylate polymer emulsion and cement inorganic powder; Add the liquid after a certain proportion of tap water stirs; Be a kind of organic material elasticity height that both had, have the good waterproofing materials of inorganic material resistance to persistence again.The main feature of waterproof coating material of cement based polymer is: nontoxic, tasteless, pollution-free.Construct simply, the duration is short, and bonding is firm, and tightly toughness is strong, and ageing resistace is good, and its performance indications are referring to table 2 (execution JC/T894-2001 standard: (two component)).
Table 2
Press mass ratio, the proportioning of waterproof coating material of cement based polymer is:
Bottom ratio: liquid material: powder: water=10: 7: 3.
Middle level, surface layer ratio: liquid material: powder: water=10: 8: 2.
Stir to no particle and can use, looking on the sloping leveling layer brushing 3 times, thickness reaches designing requirement, selects for use the bright grand waterproofing Co., Ltd in Xiamen or Xiamen City's Sheng Lilong industry and trade that the Company products of sending out is arranged.
Pay special attention to rainy weather or temperature and be lower than 5 ℃ and must not construct, filming must not be soaked in water before uncured, must not go up person walks and carry out other operation.
The coiled material of on film waterproof material, constructing is a polyethylene polypropylene layer high molecule composite of water-proof coiled material.Composite of water-proof coiled material mainly is to be raw material with nonwoven and polyvinyl, oozes adding assistant and improves a kind of of performance manufacturing and have enhance protection layer, anti-aging layer, waterproofing course and bonding to prop up the composite water-proof material that the upper strata flaky material is an one.
Two tables are coarse up and down for this composite sheet material, and non-woven fabrics fiber is random chi structure, forms three-dimensional mesh.Have tensile strength height, strong, the characteristics such as distortion is little, friction factor is big, can be used with multiple bonding agent, and adhesive effect is good of expanding with heat and contract with cold of impervious ability.The operative norm of this composite sheet material is B18173.1-2000.The key technical indexes is as shown in table 3.
Table 3
This waterproof roll can be directly have on the open fire and constructs being coated with film surface, during construction the gluing slurry of concrete is evenly coated in the surface, then the sticking coiled material in shop.In time use the rubber flap deaeration, make the coiled material bonding firmly.The product that this coiled material selects for use capital, Beijing waterproofing materials Co., Ltd to produce.This coiled material also has the function of separation layer.
The job site prepares the tile work binding material.
The operative norm of binding material is company standard (Q/XBC001-2012), and the key technical indexes is following:
On coil waterproof layer, lay BC fireproof heat insulating brick:
1) fireproof heat insulating brick operative norm is company standard Q/XBC001-2012), main technical detail is gone into except that coefficient of thermal conductivity :≤0.06 (w/m.k), all the other indexs are identical with (Q/XBC002-2012).
2) construction process and points for attention:
(1) constructor must wear walking shoes, construction tool is handled with care, can not damaged waterproofing course.
(2) whether reasonable according to the real size inspection drainage grade of aspect, be that benchmark stays parting to arrangement all around with the aspect peak, distance is 6000mm * 6000mm, width is 20mm, after the insulating brick construction is accomplished, the compacting of the modified bitumen cementation of fissures, pressing, press polish.
(3) gap width 20mm is stayed in preserve moisture brick and vertical wall junction.Insert modified bitumen compacting, pressing, press polish.
(4) binding paste for preparing and insulating brick vertically are transported to roofing.
(5) earlier floating on the coiled material face with scraper binding paste, lay the brick of preserving moisture by reference line then.Stay slit 10mm between brick and the brick.
(6) to guarantee that brick surface ramp degree can not surpass 4mm at 2000mm in error during tile work.
(7) brick and tack coat solidify and carry out the jointing construction again.
3) insulating brick surface jointing construction
(1) preparation of insulating brick pointing proportioning and function see 3.3 for details.
(2) operative norm of insulating brick pointing is identical with the fireproof heat insulating brick with technical indicator.
(3) standard and the quality requirement of pointing adding waterproof agent are as shown in table 4, operative norm JG474-1999.
Table 4
(4) with the jointing slurry for preparing insert seam apart from, degree of being coated with 200mm (place is parallel with the limit of brick, can not high brick output limit height) compacting, pressing, press polish.
(5) to protect the insulating brick surface clean during jointing, will in time clean maintenance behind the jointing completion 24h, guarantee the roofing neat and tidy.
4) execute leveling layer at the deck base plate:
(1) first stripping before the construction.The plate face was carried out wet curing 3 days.
(2) preparation lime mortar: press mass ratio, cement: lime: fine sand: water=40: 20: 40: (30～40).Be coated with 1% fibre during preparation.
(3) lime mortar for preparing is divided be applied in base plate 2～3 times, thickness is 20mm, compacting, floating, troweling.
(4) must carry out other operation construction again after the lime mortar curing.
5) other parts working procedure explanation of roofing:
Parapet of roofing; Cornice; The water mouth that falls; Deformation joint; The job practices at positions such as manhole is pressed national building standard design atlas 06J204 " roofing energy saving building structure " execution is described.
6) roofworks adopts main national standard and industry standard.
(1) " roofworks inspection of quality standard " CB50207-2002.
(2) " Technical code for roof engineering " CB50345-2004.
(3) " building energy conservation engineering construction quality standards of acceptance " CB50411-2007.
(4) " public building energy-saving design standard " CB50189-2005.
(5) " Xia Redong cryogenic region energy Saving Design of Residential Buildings standard " JCJ134-2010.
(6) " hot summer and warm winter region energy Saving Design of Residential Buildings standard " JCJ75-2003.
This method forms three road waterproofing courses (film waterproof material, coil waterproof layer, jointing waterproofing course), three road insulatings (looking for sloping levelling insulation layer, bonding insulation layer, surface heat insulation layer).Waterproof thermal-insulated functional effect is remarkable.
Through test, the fireproof performance of novel construction method reaches the A1 level, and is nonflammable.
The novel construction method scope of application is that hot summer and warm winter region is divided Xia Redong cryogenic region, and it is over half that usable floor area accounts for the whole nation.Energy conservation and consumption reduction effects is obvious.
7) provide fireproof heat insulating brick job practices thermal technology calculated description below:
Basis: " Fujian Province's energy Saving Design of Residential Buildings standard implementation detailed rules and regulations " DBJ13-62-2004;
" hot summer and warm winter region energy Saving Design of Residential Buildings standard " JGJ75-2003;
" public building energy-saving design standard " GB50189-2005.
" Xia Redong cryogenic region energy Saving Design of Residential Buildings standard " JCJ134-2010.
Coefficient of thermal conductivity λ: [W/ (m.k)]; Coefficient of heat accumulation S: [W/ (m
2.k)]; Foam concrete correction factor a=1.5;
Expanded vermiculite powder correction factor a=1.25; Other each layer a: value 1.0;
The surfaces externally and internally coefficient of heat transfer: h
i=8.7; h
e=19.0;
Roof structure (II level water proof structure) method and data are seen table 5.
Table 5
Calculate the Coefficient K value:
Entire thermal resistance R
0:
Coefficient K:
Heat inertia index D value is calculated:
Result of calculation is analyzed:
A, hot summer and warm winter region operative norm
Public building K≤0.9W/ (m
2K),
Residential building K≤1.0W/ (m
2K), D>=2.5
Meet GB50189-2005 and JGJ75-2003 standard-required
B, Xia Redong cryogenic region operative norm
Public building K≤0.7W/ (m
2K),
Residential building K≤0.8W/ (m
2K), D>=2.5 or K≤1.0W/ (m
2K), D>=3.0
Meet GBS0189-2005 and JGJ134-2010 standard-required
8) provide the Economic and Efficiency Analysis explanation of the present invention and existing polyphenyl extruded sheet technology below:
(1) existing roofworks constructing structure is selected: the contract for labour and materials of " roofing energy saving building structure " national building standard design atlas 06J204.13 page or leaf room 6. roof structures quotation design schedule (referring to table 6).
Table 6
Result of calculation: atlas 06J204.13 page or leaf room 6. roof structures quotation direct cost adds up to: 245 yuan/m
2
(2) the present invention's design schedule (referring to table 7) of offering.
Table 7
Result of calculation: direct cost of the present invention adds up to: 176 yuan/m
2
Through two kinds of technology comparative analyses, can calculate and practice thrift data and be:
1) the inventive method is saved construction costs 30%～40%.
2) the inventive method is saved execution control cost 20%～30%.
3) the inventive method is saved straight line transportation and vertical transport cost about 25% ~ 35%.
4) 10～15 days the inventive method reductions of erection time are (with 1000m
2Be basis).
New method is through to looking for sloping alignment material; Waterproofing materials; The working procedure of roofworks has been simplified in the integrated use of fire-retardant heat-insulation material, has reached energy-saving and cost-reducing, strengthens quality, eliminates disaster hidden-trouble, improves the purpose of work efficiency.Make roofworks construction form the operating mechanism of specialized, integrated, standardization, scale.
Fig. 1 provides the structural representation of flat roof deck fireproof heat insulating brick embodiment according to the invention.In Fig. 1, respectively be labeled as: the 1-deck; 2-looks for sloping leveling layer; The 3-film waterproof material; The 4-coil waterproof layer; 5-heat preservation slurry tack coat; 6-fireproof heat insulating brick; The jointing of 7-waterproofing slurry; The 8-base plate is plastered.
Continuous expansion along with fireproof heat insulating brick job practices is used area in China Xia Redong cryogenic region and hot summer and warm winter region construction project will produce good economic benefit, social benefit and environmental benefit.
Claims (10)
1. a flat roof deck fireproof heat insulating brick is characterized in that being provided with the upper and lower, and said upper strata is colored fireproof thermal-insulation layer, and said lower floor is the grey fireproof thermal-insulation layer;
The material of said colored fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; Press mass ratio; Foam concrete: expanded vermiculite powder: fine sand: water is 50: (40～45): (5～10): (30～40); By mass percentage, the addition of waterproof agent, fibre, inorganic pigment, inorganic glitter powder is respectively foam concrete (2%～3%), (1%～2%), (3%～6%), (2%～3%);
The material of said grey fireproof thermal-insulation layer is formed and is comprised foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, flyash; Press mass ratio; Foam concrete: expanded vermiculite powder: fine sand: water is 50: (40～45): (5～10): (30～40); By mass percentage, the addition of waterproof agent, fibre, flyash is respectively foam concrete (2%～3%), (1%～2%), (5% ~ 8%).
2. a kind of flat roof deck fireproof heat insulating brick as claimed in claim 1, the thickness that it is characterized in that said colored fireproof thermal-insulation layer is 8～12mm; The thickness of said grey fireproof thermal-insulation layer is 38～42mm; The thickness of said colored fireproof thermal-insulation layer is preferably 10mm; The thickness of said grey fireproof thermal-insulation layer is preferably 40mm.
3. the preparation technology of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 1 is characterized in that may further comprise the steps:
1) makes mould, be deposited in the vibroplatform next door;
2) pour in the mould after colored slurry is stirred, vibrate colored pulp layer;
3) with pouring into above the colored pulp layer after the stirring of grey slurry, compacting, pressing get the grey pulp layer;
4) single mould be deposited on smooth module or the iron plate be cured, maintenance, the demoulding, flat roof deck fireproof heat insulating brick.
4. the preparation technology of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 3 is characterized in that in step 1), and the specification of said mould is 300mm * 300mm * 50mm or 250mm * 250mm * 50mm.
5. the preparation technology of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 3 is characterized in that in step 2) in, the time of said vibration is 2～3min; The thickness of said colored pulp layer is 10mm ± 2mm; In step 3), the thickness of said grey pulp layer can be 40mm ± 1.5mm; In step 4), the time of said curing and maintenance can be 4～7 days.
6. the job practices of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 1 is characterized in that may further comprise the steps:
1) the cast-in-situ reinforced concrete structure layer on the support shuttering plane;
2) sloping leveling layer is looked in construction on the reinforced concrete structure layer;
3) looking for the coating waterproof layer of constructing on the sloping leveling layer;
4) coil waterproof layer of on coating waterproof layer, constructing;
5) tack coat of on coil waterproof layer, constructing;
6) on tack coat, lay flat roof deck fireproof heat insulating brick;
7) with waterproofing slurry to the brickwork joint between the flat roof deck fireproof heat insulating brick fill, pressing, compacting, accomplish the construction of flat roof deck fireproof heat insulating brick.
7. the job practices of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 6 is characterized in that in step 1), and the thickness of said reinforced concrete structure layer is 110mm ± 10mm; In step 2) in, saidly look for sloping leveling layer can adopt the foam concrete to look for sloping leveling layer, the said thinnest part of sloping leveling layer of looking for can be 50mm; In step 3), the material of said coating waterproof layer can be waterproof coating material of cement based polymer, and the thickness of said coating waterproof layer can be 2mm ± 0.2mm.
8. the job practices of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 6; It is characterized in that in step 4); The material of said coil waterproof layer adopts the polyethylene polypropylene macromolecular compounded waterproof material, and the thickness of said coil waterproof layer is 1.5mm ± 0.2mm.
9. the job practices of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 6 is characterized in that in step 5), and the thickness of said tack coat is 30mm; Said tack coat raw material composition by mass percentage can be: foam concrete: expanded vermiculite powder: flyash: fine sand: water=(35%～40%): (30%～35%): (10%～15%): (15%～20%): (40%～50%); In step 6), the seam between the said flat roof deck fireproof heat insulating brick is apart from can be 10mm.
10. the job practices of a kind of flat roof deck fireproof heat insulating brick as claimed in claim 6; It is characterized in that in step 7); The raw material of said waterproofing slurry consists of cement, expanded vermiculite powder, flyash, fine sand, water and waterproof agent; Said cement, expanded vermiculite powder, flyash, fine sand and water are cement by mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: (55～60): (15～20): 5: (20～30), the addition of said waterproof agent are (2%～3%) of cement by mass percentage.
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| CN103921334A (en) * | 2014-04-09 | 2014-07-16 | 赤峰润得建筑有限公司 | Brick building construction method of ecological insulation wall |
| US9718737B2 (en) | 2015-04-21 | 2017-08-01 | Behr Process Corporation | Decorative coating compositions |
| CN108214726A (en) * | 2018-01-05 | 2018-06-29 | 上海海华建筑装饰工程有限公司 | A kind of production method of protective, sound-proofing composite door plate |
| CN108675779A (en) * | 2018-04-20 | 2018-10-19 | 长兴盛华耐火材料有限公司 | A kind of compound alumina chrome brick and preparation method thereof |
| CN109441024A (en) * | 2018-12-19 | 2019-03-08 | 沈阳金之利科技有限公司 | A kind of roofing integral waterproofing construction and construction method |
| CN113106807A (en) * | 2021-04-15 | 2021-07-13 | 鄂尔多斯市路泰新材料科技发展有限公司 | Composite material colorful curb and preparation method thereof |
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| CN103921334A (en) * | 2014-04-09 | 2014-07-16 | 赤峰润得建筑有限公司 | Brick building construction method of ecological insulation wall |
| CN103921334B (en) * | 2014-04-09 | 2016-02-10 | 赤峰润得建筑有限公司 | Ecological heat insulating wall brick masonry construction method |
| US9718737B2 (en) | 2015-04-21 | 2017-08-01 | Behr Process Corporation | Decorative coating compositions |
| US10118864B2 (en) | 2015-04-21 | 2018-11-06 | Behr Process Corporation | Decorative coating compositions |
| CN108214726A (en) * | 2018-01-05 | 2018-06-29 | 上海海华建筑装饰工程有限公司 | A kind of production method of protective, sound-proofing composite door plate |
| CN108675779A (en) * | 2018-04-20 | 2018-10-19 | 长兴盛华耐火材料有限公司 | A kind of compound alumina chrome brick and preparation method thereof |
| CN109441024A (en) * | 2018-12-19 | 2019-03-08 | 沈阳金之利科技有限公司 | A kind of roofing integral waterproofing construction and construction method |
| CN113106807A (en) * | 2021-04-15 | 2021-07-13 | 鄂尔多斯市路泰新材料科技发展有限公司 | Composite material colorful curb and preparation method thereof |
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Denomination of invention: A type of fireproof and thermal insulation brick for flat roofs Effective date of registration: 20231018 Granted publication date: 20141029 Pledgee: Xiamen Huli District Financing Guarantee Co.,Ltd. Pledgor: FUJIAN BAICHUAN CONSTRUCTION DEVELOPMENT Co.,Ltd. Registration number: Y2023980061818 |