CN102797316B - Flat roof fireproof and thermal insulating brick - Google Patents
Flat roof fireproof and thermal insulating brick Download PDFInfo
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- CN102797316B CN102797316B CN201210291720.9A CN201210291720A CN102797316B CN 102797316 B CN102797316 B CN 102797316B CN 201210291720 A CN201210291720 A CN 201210291720A CN 102797316 B CN102797316 B CN 102797316B
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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 construction method.
Background technology
The existing many reports of fireproof heat insulating brick and product, for example:
Chinese patent CN2316356 discloses a kind of silicon vacuum light heat insulation firebrick, comprises the uniform can of wall, the silver layer of housing internal cavity surrounding sintering, the protection glaze layer of silver layer external surface sintering and the vacuum cavity of sealing.
Chinese patent CN102320804A a kind of compressive strength is disclosed and fire-protection rating high, insulation, the non-bearing insulating brick of good flame retardation effect, according to percent by volume raw material, consist of: 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 by 3～4 parts of early strength admixture according to parts by weight meter, 3～4 parts of air entraining agents, 1～2 part of water reducing agent and 1～2 part of composition of hydrophober.This non-bearing insulating brick can be made into all kinds and the specifications such as solid brick, porous brick, constructability not only, and can reduce bearing capacity of foundation soil, and be suitable for space enclosing structure for building, be particularly suitable for highrise building and use.
Chinese patent CN102452825A discloses a kind of insulating brick of fire-proof sound insulation, and 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 comprises the following steps: 1) by following weight parts, take each raw material: 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) after above-mentioned raw materials is mixed, be incorporated as the water of 0.8-1.2 times of weight of mixture total weight amount, use traditional brickmaking technology pressing to make 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 eps foam plate to make base brick, and by embedded keel, the method for outer painting water-repellent paint firmly combines cystosepiment with cement concrete.The surrounding of brick is convex concave, can reach the effect that discharges water in the two pass of seamless link after construction.
Chinese patent CN201395900 discloses a kind of insulating-brick surface cover roofing structure, this roof structure is followed successively by roofing base concrete layer, waterproofing course, cement mortar setting course, foamed pearlite insulating-brick surface from bottom to up, and the brickwork joint of described foamed pearlite insulating brick is bondd by 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 construction method of flat roof deck fireproof heat insulating brick.
Described flat roof deck fireproof heat insulating brick is provided with the upper and lower, and described upper strata is colored fireproof thermal-insulation layer, and described lower floor is grey fireproof thermal-insulation layer;
The material of described colored fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; In 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 described grey fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, flyash; In 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 described colored fireproof thermal-insulation layer can be 8～12mm; The thickness of described grey fireproof thermal-insulation layer can be 38～42mm.
The thickness of described colored fireproof thermal-insulation layer is preferably 10mm; The thickness of described grey fireproof thermal-insulation layer is preferably 40mm.
Described waterproof agent can adopt architectural conventional waterproofing agent of organosilicon, the waterproofing agent of organosilicon product that for example Xiamen Mei Naishi company or Xiamen Xin Nengda company produce.
Described inorganic pigment can adopt the oxide of non-ferrous metal etc.
Described foam concrete can select Xiamen to move the product of sub-topological energy-conservation Science and Technology Ltd..Described expanded vermiculite powder can be selected the bagged product of the permanent vermiculite power process plants in source, Lingshou County, Hebei.The bagged product that described flyash can select Xiamen Yi Cai flyash Co., Ltd to produce.Described fine sand can select Jiao Mei town, Longhai City, ZhangZhou to the river sand of prosperous sand field, mud content < 1%(mass percent).Described waterproof agent can be selected the DKN6 liquid of Xiamen Xin Nengda Trade Co., Ltd..The defend and split fibre silk bagged product that described fibre can select Xiamen brightness science and technology material technology product Co., Ltd to produce.
The preparation technology of described flat roof deck fireproof heat insulating brick comprises the following steps:
1) make mould, be deposited in vibroplatform side;
2) by pouring in mould after colored slurry stirring, vibrate to obtain colored pulp layer;
3) will after the stirring of grey slurry, pour into above colored pulp layer, compacting, pressing, obtain grey pulp layer;
4) single mould is deposited on smooth module or iron plate and is cured, maintenance, the demoulding, obtains flat roof deck fireproof heat insulating brick.
In step 1), the specification of described mould can be 300mm * 300mm * 50mm or 250mm * 250mm * 50mm.
In step 2) in, the time of described vibration can be 2～3min; The thickness of described colored pulp layer can be 10mm ± 2mm.
In step 3), the thickness of described grey pulp layer can be 40mm ± 1.5mm.
In step 4), described solidifying with the time of maintenance can be 4～7 days.
Gained flat roof deck fireproof heat insulating brick product can be by high-quality product, certified products, waste classifying, and General Requirements product surface color is unified, without losing fangle, and flatness 2mm, diagonal is poor≤4mm.
The construction method of described flat roof deck fireproof heat insulating brick comprises the following steps:
1) at support shuttering plane cast-in-situ reinforced concrete structure layer;
2) on reinforced concrete structure layer, slope leveling layer is looked in construction;
3) looking for the coating waterproof layer of constructing on the leveling layer of slope;
4) coil waterproof layer of constructing on coating waterproof layer;
5) tack coat of constructing on coil waterproof layer;
6) on tack coat, lay flat roof deck fireproof heat insulating brick;
7) with waterproofing slurry to the brickwork joint between flat roof deck fireproof heat insulating brick fill, pressing, compacting, complete the construction of flat roof deck fireproof heat insulating brick.
In step 1), the thickness of described reinforced concrete structure layer can be 110mm ± 10mm.
In step 2) in, described in look for slope leveling layer can adopt foam concrete to look for slope leveling layer, described in look for the thinnest part of slope leveling layer to can be 50mm.
In step 3), the material of described coating waterproof layer can be waterproof coating material of cement based polymer etc., and the thickness of described coating waterproof layer can be 2mm ± 0.2mm.
In step 4), the material of described coil waterproof layer can adopt polyethylene polypropylene macromolecular compounded waterproof material etc., and the thickness of described coil waterproof layer can be 1.5mm ± 0.2mm;
Described polyethylene polypropylene macromolecular compounded waterproof material is mainly that to take nonwoven and polyethylene be raw material, mixes auxiliary agent, improve performance manufacture a kind of have strengthen the waterproof composite material that topping, anti-aging layer, waterproofing course and tack coat are integrated; Upper and lower two rough surface of this composite sheet material, non-woven fabrics fiber is random chi structure, form three-dimensional mesh, have that tensile strength is high, impermeability is strong, the features such as distortion is little, friction factor large, can be used in conjunction with multiple bonding agent, adhesive effect is good of expanding with heat and contract with cold.
In step 5), the thickness of described tack coat can be 30mm; Tack coat can be prepared the rear trolley vertical transport of using at the construction field (site) to roofing, discharging is decomposed to tile work position floating; Described 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 fireproof heat insulating function simultaneously; During construction, be preferably in 24h and finish using, in order to avoid fixed waste.
In step 6), the seam between described flat roof deck fireproof heat insulating brick is apart from can be 10mm.
In step 7), the raw material composition of described waterproofing slurry can be cement, expanded vermiculite powder, flyash, fine sand, water and waterproof agent, described cement, expanded vermiculite powder, flyash, fine sand and water can be cement in mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: (55～60): (15～20): 5: (20～30), and the addition of described waterproof agent is (2%～3%) of cement by mass percentage; Described waterproof agent can adopt Research on silicone waterproof agent for instruction, the product that for example Xiamen Mei Naishi company or Xiamen Xin Nengda company produce.
Foam concrete is the homogeneous mixture that adopts vegetalitas composite foamable agent and cement slurry, through the cast-in-place formation of foaming, has the porosity of sealing and the concrete structure of lower modulus of elasticity.To reducing the variable that expands with heat and contract with cold, eliminate internal stress and there is good absorption and dissipation role; The function simultaneously with fire prevention, sound insulation, heat-insulation and heat-preservation.
Expanded vermiculite powder: vermiculite is a kind of water aluminosilicate containing magnesium of layer structure, is the generation of the natural minerals weathering alterations such as biotite, is block, sheet and granular, and volume increases 18～25 times after high temperature, and color becomes golden yellow or silvery white.40～120 object expanded vermiculite powders, have insulation, resistance toly freeze, the advantage such as antibacterial, fire prevention, sound insulation, light weight.
Flyash is after coal combustion, in flue gas, to receive the thin ash of catching, and improves the workability of mixing, and strengthens the caking property of mixture.Reduce the heat of cremating, improve impermeability.
The effect of fine sand is mainly the compressive strength that strengthens mixture.
Waterproof agent can increase the impermeability of mixture, and the external water source of the fixed rear prevention of mixture enters mixture inside.
Fibre: add fibre can improve the extension strength of mixture in 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 feature of good stability.Be improved surface light pearlite layer, become the function of uitraviolet intensity.
According to above-mentioned analysis, show, flat roof deck fireproof heat insulating brick of the present invention has good fire prevention and heat insulation function.
Fireproof heat insulating brick systemic application, in the construction of the gradient≤3% flat roof deck, is simplified roofing construction operation, overcomes the common quality defect of roofing cracking seepage.
The advantage of the flat roof deck construction method of described flat roof deck fireproof heat insulating brick is as follows:
1. the various materials that the present invention uses in work progress are all to take the common combination that inorganic material is carrier.Material has good cosolvency, practicality, caking property and ageing resistace etc.
2. the insulating brick specification that the present invention uses has solved the common quality defects such as the hollowing that roofworks causes because thermal stresses system changes, distortion, cracking effectively, makes roofworks system construction have complete reliable quality certification system.
3. the present invention has simplified the working procedure of roofworks, and the unified management at not only reduction of erection time, and constructability scene reduces management cost, improves project management efficiency.
4. in current engineering, generally using the roofing bearing load of polyphenyl extruded sheet construction technology is 560kg/m
2, flat roof structure bearing load of the present invention is 330kg/m
2, phase p-poly-phenyl extruded sheet construction technology, roofing load has reduced by 41%, is conducive to improve 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of flat roof deck fireproof heat insulating brick embodiment of the present invention.
The specific embodiment
The present invention is further illustrated for following examples.
Embodiment 1
The preparation technology of described flat roof deck fireproof heat insulating brick comprises the following steps:
1) make mould, be deposited in vibroplatform side, the specification of described mould can be 300mm * 300mm * 50mm.
2) by pouring in mould after colored slurry stirring, vibrate to obtain colored pulp layer (being upper strata or colored fireproof thermal-insulation layer); The time of described vibration is 2min; The thickness of described colored pulp layer is 10mm.
3) will after the stirring of grey slurry, pour into above colored pulp layer, compacting, pressing, obtain grey pulp layer (being lower floor or grey fireproof thermal-insulation layer); The thickness of described grey pulp layer is 40mm.
4) single mould is deposited on smooth module or iron plate and is cured, maintenance, the demoulding, obtains flat roof deck fireproof heat insulating brick.The described time curing and maintenance is 4 days.
Gained flat roof deck fireproof heat insulating brick product can be by high-quality product, certified products, waste classifying, and General Requirements product surface color is unified, without losing fangle, and flatness≤2mm, diagonal is poor≤4mm.
The material of described colored fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; In 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 described grey fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent and fibre; In mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 43: 5: 30, by mass percentage, the addition of waterproof agent, fibre, flyash is respectively 2%, 1% of foam concrete.5%。
The thickness of described colored fireproof thermal-insulation layer is 8mm; The thickness of described grey fireproof thermal-insulation layer is 38mm.
Described waterproof agent can adopt architectural conventional waterproofing agent of organosilicon, the waterproofing agent of organosilicon product that for example Xiamen Mei Naishi company or Xiamen Xin Nengda company produce.
Described inorganic pigment can adopt the oxide of non-ferrous metal etc.
Described foam concrete can select Xiamen to move the product of sub-topological energy-conservation Science and Technology Ltd..Described expanded vermiculite powder can be selected the bagged product of the permanent vermiculite power process plants in source, Lingshou County, Hebei.The bagged product that described flyash can select Xiamen Yi Cai flyash Co., Ltd to produce.Described fine sand can select Jiao Mei town, Longhai City, ZhangZhou to the river sand of prosperous sand field, mud content < 1%(mass percent).Described waterproof agent can be selected the DKN6 liquid of Xiamen Xin Nengda Trade Co., Ltd..The defend and split fibre silk bagged product that described fibre can select Xiamen brightness science and technology material technology product Co., Ltd to produce.
Embodiment 2
Similar to Example 1, its difference is:
1) make mould, be deposited in vibroplatform side, the specification of described mould is 250mm * 250mm * 50mm.
2) by pouring in mould after colored slurry stirring, vibrate to obtain colored pulp layer (being upper strata or colored fireproof thermal-insulation layer); The time of described vibration is 2.5min; The thickness of described colored pulp layer is 11mm.
3) will after the stirring of grey slurry, pour into above colored pulp layer, compacting, pressing, obtain grey pulp layer (being lower floor or grey fireproof thermal-insulation layer); The thickness of described grey pulp layer is 41.5mm.
4) single mould is deposited on smooth module or iron plate and is cured, maintenance, the demoulding, obtains flat roof deck fireproof heat insulating brick.The described time curing and maintenance is 7 days.
The material of described colored fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; In mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 43: 5: 40, 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 described grey fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent and fibre; In mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 40: 8: 40, by mass percentage, the addition of waterproof agent, fibre, flyash is respectively 2.5%, 2% of foam concrete.
The thickness of described colored fireproof thermal-insulation layer is 10mm; The thickness of described grey fireproof thermal-insulation layer is 40mm.
Embodiment 3
Similar to Example 1, its difference is:
1) make mould, be deposited in vibroplatform side, the specification of described mould is 250mm * 250mm * 50mm.
2) by pouring in mould after colored slurry stirring, vibrate to obtain colored pulp layer (being upper strata or colored fireproof thermal-insulation layer); The time of described vibration is 3min; The thickness of described colored pulp layer is 12mm.
3) will after the stirring of grey slurry, pour into above colored pulp layer, compacting, pressing, obtain grey pulp layer (being lower floor or grey fireproof thermal-insulation layer); The thickness of described grey pulp layer is 40mm.
4) single mould is deposited on smooth module or iron plate and is cured, maintenance, the demoulding, obtains flat roof deck fireproof heat insulating brick.The described time curing and maintenance is 5 days.
The material of described colored fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; In mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 45: 8: 35, 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 described grey fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent and fibre; In mass ratio, foam concrete: expanded vermiculite powder: fine sand: water is 50: 45: 10: 35, by mass percentage, the addition of waterproof agent, fibre, flyash is respectively 3%, 1.5% of foam concrete.8%。
The thickness of described colored fireproof thermal-insulation layer is 12mm; The thickness of described grey fireproof thermal-insulation layer is 42mm.
The construction method that below provides described flat roof deck fireproof heat insulating brick comprises the following steps:
1) at support shuttering plane cast-in-situ reinforced concrete structure layer; The thickness of described reinforced concrete structure layer can be 110mm ± 10mm.
2) on reinforced concrete structure layer, slope leveling layer is looked in construction; The described slope leveling layer of looking for can adopt foam concrete to look for slope leveling layer, described in look for the thinnest part of slope leveling layer to can be 50mm.
3) looking for the coating waterproof layer of constructing on the leveling layer of slope; The material of described coating waterproof layer can be waterproof coating material of cement based polymer etc., and the thickness of described coating waterproof layer can be 2mm ± 0.2mm.
4) coil waterproof layer of constructing on coating waterproof layer; The material of described coil waterproof layer can adopt polyethylene polypropylene macromolecular compounded waterproof material etc., and the thickness of described coil waterproof layer can be 1.5mm ± 0.2mm.
Described polyethylene polypropylene macromolecular compounded waterproof material is mainly that to take nonwoven and polyethylene be raw material, mixes auxiliary agent, improve performance manufacture a kind of have strengthen the waterproof composite material that topping, anti-aging layer, waterproofing course and tack coat are integrated.Upper and lower two rough surface of this composite sheet material, non-woven fabrics fiber is random chi structure, form three-dimensional mesh, have that tensile strength is high, impermeability is strong, the features such as distortion is little, friction factor large, can be used in conjunction with multiple bonding agent, adhesive effect is good of expanding with heat and contract with cold.
5) tack coat of constructing on coil waterproof layer; The thickness of described tack coat can be 30mm.
6) on tack coat, lay flat roof deck fireproof heat insulating brick; Seam between described flat roof deck fireproof heat insulating brick is apart from can be 10mm.
7) with waterproofing slurry to the brickwork joint between flat roof deck fireproof heat insulating brick fill, pressing, compacting, complete the construction of flat roof deck fireproof heat insulating brick.The composition of described waterproofing slurry is cement, expanded vermiculite powder, flyash, fine sand, water and waterproof agent, described cement, expanded vermiculite powder, flyash, fine sand and water can be cement in mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: 55: 18: 5: 25, and the addition of described waterproof agent is 2% of cement by mass percentage; Described waterproof agent can adopt Research on silicone waterproof agent for instruction, the product that for example Xiamen Mei Naishi company or Xiamen Xin Nengda company produce.
In step 7), the composition of the waterproofing slurry adopting and proportioning also can be selected:
Described cement, expanded vermiculite powder, flyash, fine sand and water are cement in mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: 58: 15: 5: 20, and the addition of described waterproof agent is 2.5% of cement by mass percentage; Or
Described cement, expanded vermiculite powder, flyash, fine sand and water are cement in mass ratio: expanded vermiculite powder: flyash: fine sand: tap water=20: 60: 20: 5: 30, and the addition of described waterproof agent is 3% of cement by mass percentage.
The integrated working procedure flow process of flat roof deck fireproof heat insulating brickwork journey is described in detail as follows:
Load-carrying members layer construction: carry out the cast of cast-in-situ reinforced concrete above the template supporting at steel pipe frame, thickness is 110mm.Before concrete is built; should check and control size, specification, quantity and the position of template, reinforcing bar, topping and built-in fitting etc.; its deviate should meet after the regulation of existing national standard < < concrete structure engineering construction and standards of acceptance > >, can build.Deck has been built and according to the temperature difference and humidity, it has been carried out to maintenance 28 days afterwards, can carry out next procedure construction.During cast, vibrate evenly closely knit smooth.Quality control standard is B50163-92.The pumping Commercial Concrete of selecting Xiamen Hua Xin concrete work development corporation, Ltd. or Xianmen International port group concrete company to produce during construction.Intensity etc. are more than C25.
On deck, construct:
Look for slope leveling layer: the material of looking for slope leveling layer to use is HT foam concrete: HT foam concrete mainly adopts PY-1 vegetalitas composite foamable agent evenly to mix with cement paste, many also property and the lower modulus of elasticity through the cast-in-place formation of foaming with sealing, to reducing the variable that expands with heat and contract with cold, eliminate internal stress and there is good absorption and dissipation role, thereby look for slope leveling layer can not establish partition seam, and there is lightweight, heat insulation function.
HT foam concrete construction process and points for attention are as follows:
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 as follows:
According to design grade and flowing water slope aspect, take that to look for the thickness of glass leveling layer thinnest part be 50mm, find out highest point and lowest part, bracing wire levelling, look for slope to do ash cake.Ash cake material is 1: 2 cement mortar, and ash cake spacing is preferably 1.5～2m, to facilitate guiding ruler to smear, presses directly.
Build and first bottom sprinkled water before 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 before foam concrete mixing, the foaming of foaming machine and pumping system answer test running confirmation normal, intact, by match ratio, in order cement, Admixture, water, blowing agent are added to mix and stir in container again and stir and make slurries, and by pumping system, be transported to operating surface and spray and build, build from eminence toward lower, itemize moves back and waters to near-end from far-end one by one.Itemize width be take to facilitate and is smeared press operation as degree, and 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, forms floating screed, then strikes off and polish with long float by straight along ash cake rubbing and pressure.Place, negative and positive angle takes circular arc in the lump out of, and circular arc radius is preferably 10mm.
Foam concrete should can carry out the construction of later process after having constructed after natural curing, and the intermittent time is minimum is 3d.
Foam concrete construction in layer is as follows:
When the thickness of foam concrete surpasses 100mm, carry out placement layer by layer.Secondary is answered layering before building, and joins two-way concrete slab net sheet in during layering.This measure can reduce ftractures and increases weight capacity.
Looking for the film waterproof material of constructing on the leveling layer of slope:
Before construction of waterproof layer, to check look for slope leveling layer whether smooth, clean, without ponding, without hollowing, without dust, without greasy dirt, uneven to process one whole, loss circulation material cementation of fissures levelling for crack, circular arc type is made at negative and positive angle, the material preparing is in proportion applied on leveling layer with roller or brush equably, order according to prime coat-nonwoven-middle level-upper strata successively completes, and a former coating film of the time interval between each layer is solid does not touch with one's hand and be as the criterion.Waterproofing course adopts waterproof coating material of cement based polymer.Waterproof coating material of cement based polymer is that to take acrylate polymer emulsion and cement inorganic powder be primary raw material, add the liquid after a certain proportion of tap water stirs, be that a kind of both to have had organic material elasticity high, there is again the waterproofing materials that inorganic material resistance to persistence is good.The main feature of waterproof coating material of cement based polymer is: nontoxic, tasteless, pollution-free.Construction is simple, and the duration is short, and firmly, tight toughness is strong for bonding, and ageing resistace is good, and its performance indications are carried out JC/T894-2001 standard referring to table 2(: (two component)).
Table 2
In 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 using without particle, brush 3 times looking on the leveling layer of slope, thickness reaches designing requirement, selects Xiamen Can Hong waterproofing Co., Ltd or the Sheng Lilong of Xiamen City industry and trade You Fa company product.
Pay special attention to rainy weather or temperature and must not construct lower than 5 ℃, film before uncured and must not be soaked in water, must not go up people's walking and carry out other operation.
The coiled material of constructing on film waterproof material is polyethylene polypropylene Multi-layer high molecular compound water-proof coiled.Composite of water-proof coiled material is mainly that to take nonwoven and polyethylene be raw material, oozes adding assistant and improves a kind of of performance manufacture and have the topping of enhancing, anti-aging layer, waterproofing course and bonding to prop up the waterproof composite material that upper strata flaky material is integrated.
Upper and lower two tables of this composite sheet material are coarse, and non-woven fabrics fiber is random chi structure, forms three-dimensional mesh.Have that tensile strength is high, impermeability is strong, the characteristics such as distortion is little, friction factor is large, can be used in conjunction with multiple bonding agent, and adhesive effect is good of expanding with heat and contract with cold.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 on film layer surface without bright over-water construction, during construction, the gluing slurry of concrete is evenly coated in to surface, then paving is glued coiled material.In time use rubber flap deaeration, make coiled material bonding firmly.The product that this coiled material selects capital, Beijing waterproofing materials Co., Ltd to produce.This coiled material also has the function of separation layer.
Tile work binding material is prepared in job site.
The operative norm of binding material is company standard (Q/XBC001-2012), and the key technical indexes is as follows:
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 enters except 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) according to the real size of aspect, check that whether drainage grade is reasonable, the aspect peak of take is arranged and is stayed parting as benchmark to surrounding, and distance is 6000mm * 6000mm, and width is 20mm, after insulating brick has been constructed, and the compacting of the modified bitumen cementation of fissures, pressing, press polish.
(3) gap width 20mm is stayed in moisturizing brick and vertical wall junction.Insert modified bitumen compacting, pressing, press polish.
(4) binding paste preparing and insulating brick are vertically transported to roofing.
(5) first that binding paste is floating on coiled material face with scraper, then moisturizing brick is laid by reference line.Between brick and brick, stay gap 10mm.
(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 jointing construction again.
3) insulating brick surface jointing construction
(1) preparation of insulating brick pointing proportioning and function refer to 3.3.
(2) operative norm of insulating brick pointing is identical with fireproof heat insulating brick with technical indicator.
(3) pointing add the standard of waterproof agent and quality requirement as shown in table 4, operative norm JG474-1999.
Table 4
(4) the jointing slurry preparing is inserted seam apart from, the limit of paintings degree 200mm(and brick is located parallel, can not high brick output limit height) compacting, pressing, press polish.
(5) to protect insulating brick surface clean during jointing, after jointing completion 24h, will clean in time maintenance, guarantee roofing neat and tidy.
4) at deck base plate, execute leveling layer:
(1) first stripping before construction.Plate face is carried out to wet curing 3 days.
(2) preparation lime mortar: in mass ratio, cement: lime: fine sand: water=40: 20: 40: (30～40).During preparation, be coated with 1% fibre.
(3) lime mortar preparing is divided and is applied in base plate 2～3 times, thickness is 20mm, compacting, floating, troweling.
(4) obtain after lime mortar solidifies and carry out again other operation construction.
5) other parts working procedure explanation of roofing:
Parapet of roofing; Cornice; The water mouth that falls; Deformation joint; The construction method at the positions such as manhole is pressed national building standard design atlas 06J204 < < roofing energy saving building structure > > explanation and is carried out.
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) < < Code for Acceptance of Construction Quality of Building Energy-saving Engineering > > CB50411-2007.
(4) < < public building energy design standard > > CB50189-2005.
(5) < < Xia Redong cryogenic region energy Saving Design of Residential Buildings standard > > JCJ134-2010.
(6) < < Residential Buildings In Hot Summer And Warm Winter energy-saving design standard > > JCJ75-2003.
This method forms three road waterproofing courses (film waterproof material, coil waterproof layer, jointing waterproofing course), three road insulatings (looking for slope levelling insulation layer, bonding insulation layer, surface heat insulation layer).Water proof thermal insulation function effect is remarkable.
Through test, the fireproof performance of novel construction method reaches A1 level, nonflammable.
The novel construction method scope of application is that Xia Redong cryogenic region is divided in hot summer and warm winter region, and it is over half that usable floor area accounts for the whole nation.Energy conservation and consumption reduction effects is obvious.
7) the following fireproof heat insulating brick construction method thermal technology calculated description that provides:
Basis: the energy Saving Design of Residential Buildings standard implementation detailed rules and regulations > > DBJ13-62-2004 of < < Fujian Province;
< < Residential Buildings In Hot Summer And Warm Winter energy-saving design standard > > JGJ75-2003;
< < public building energy 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 of 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 in Table 5.
Table 5
Calculate energy saving:
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) the following Economic and Efficiency Analysis explanation that provides the present invention and existing polyphenyl extruded sheet technique:
(1) existing roof construction structure is selected: 6. roof structure quotation design schedule (referring to the table 6) contracts for labour and materials of < < roofing energy saving building structure > > national building standard design atlas 06J204.13 page room.
Table 6
Result of calculation: atlas 06J204.13 page room 6. roof structure quotation direct costs add 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.
By two kinds of technique comparative analyses, can calculate and save 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 25% ~ 35% left and right.
4) 10～15 days the inventive method reductions of erection time are (with 1000m
2for basis).
New method is by looking for slope alignment material; Waterproofing materials; The integrated use of fire-retardant heat-insulation material, has simplified the working procedure of roofworks, has reached energy-saving and cost-reducing, strengthening quality, eliminates disaster hidden-trouble, improves the object of work efficiency.Make roof construction form the operating mechanism of specialization, integrated, standardization, scale.
Fig. 1 provides the structural representation of flat roof deck fireproof heat insulating brick embodiment of the present invention.In Fig. 1, be respectively labeled as: 1-deck; 2-looks for slope leveling layer; 3-film waterproof material; 4-coil waterproof layer; 5-heat preservation slurry tack coat; 6-fireproof heat insulating brick; The jointing of 7-waterproofing slurry; 8-base plate is plastered.
Along with fireproof heat insulating brick construction method is applied the continuous expansion of 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 (3)
1. a flat roof deck fireproof heat insulating brick, is characterized in that being provided with the upper and lower, and described upper strata is colored fireproof thermal-insulation layer, and described lower floor is grey fireproof thermal-insulation layer;
The material of described colored fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, inorganic pigment and inorganic glitter powder; In 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 described grey fireproof thermal-insulation layer forms and comprises foam concrete, expanded vermiculite powder, fine sand, water, waterproof agent, fibre, flyash; In 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 described colored fireproof thermal-insulation layer is 8～12mm, the thickness of described grey fireproof thermal-insulation layer is 38～42mm.
3. a kind of flat roof deck fireproof heat insulating brick as claimed in claim 2, the thickness that it is characterized in that described colored fireproof thermal-insulation layer is 10mm; The thickness of described grey fireproof thermal-insulation layer is 40mm.
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| 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 |
| 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 |
| CN108675779B (en) * | 2018-04-20 | 2021-06-25 | 长兴盛华耐火材料有限公司 | Preparation method of composite aluminum-chromium brick |
| 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 |