CN102852332A - Casting type fireproof external wall insulation system and construction method thereof - Google Patents
Casting type fireproof external wall insulation system and construction method thereof Download PDFInfo
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- CN102852332A CN102852332A CN2012100771077A CN201210077107A CN102852332A CN 102852332 A CN102852332 A CN 102852332A CN 2012100771077 A CN2012100771077 A CN 2012100771077A CN 201210077107 A CN201210077107 A CN 201210077107A CN 102852332 A CN102852332 A CN 102852332A
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Abstract
The invention discloses a casting type fireproof external wall insulation system and a construction method thereof. The casting type fireproof external wall insulation system comprises a wall base layer, a thermal insulation layer, a metal anchoring connecting piece, a fiber cement board, a flexible anti-crack layer and a finishing layer, wherein the thermal insulation layer is positioned between the wall base layer and the fiber cement board and is cast by an inorganic thermal insulation material in times; the wall base layer, the thermal insulation layer and the fiber cement board are connected into a whole through the metal anchoring connecting piece; the flexible anti-crack layer is compounded on the outer side of the fiber cement board; and the finishing layer is positioned on the outer side of the flexible anti-crack layer. The casting type fireproof external wall insulation system has the characteristics of firm and reliable structure, high fireproof performance, high wall decoration property, crack difficulty, environment friendliness, economical construction cost, convenient installation, rapid construction and the like.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of pouring type fire prevention outer wall heat preservation system and job practices.
Background technology
China is just wideling popularize building energy conservation at present, and the development of carrying out low energy consumption, super low energy consumption and green building is a current vital task.Present architecture exterior wall insulating materials mainly is divided into two large classes: (1) organic material heat-insulation system, such as the EPS warming plate, XPS warming plate, phenolic resins warming plate, polyurethane heat insulation material etc., this class heat-insulation system has high insulating effect, the advantages such as construction thickness is low, volume stability is relatively better, the problems such as but himself organic material is not fire-resistant, durable years is short can not satisfy existing construction requirement substantially, are at present the edge of eliminating gradually.(2) inorganic material heat-insulation system mainly contains inorganic heat insulation mortar, rock cotton board, foam cement plate, ceramic thermal insulation plate etc., and inorganic mortar is less because of the at present use of the problems such as heat insulation effect is poor, easy to crack, infiltration, and some areas ban use of; The problems such as rock cotton board is few because of resource, cost is high, self intensity is low are seldom used in the exterior insulation work; Ceramic thermal insulation plate bulk stability and intensity are better, but that the problems such as cost is high, the complexity of constructing are promoted difficulty at present is large.So can satisfy fire-resistant requirement at present, use comparatively generally foam cement plate, its work progress is: the cement board of the about 30cm thickness of length of side 3-5cm is fixed on metope with adhesive mortar, then smear anticracking grout on the cement board surface, do at last decorative layer, very important is that the foam cement board size is less than normal, not only difficulty of construction is large, and seam is too much between the plate, there is cold-heat bridge, affect heat insulation effect, and expanding with heat and contract with cold that the contraction of cement material self and external environment condition cause will certainly cause outer wall cracking and infiltration, and simultaneously the power that produces of the power that forms of outer-wall crack-resisting layer and decorative layer self and natural environment acts directly on the foam cement plate, because himself intensity is lower, be easy to the problems such as generation comes off, dangerous.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of easy construction, and security performance is good, pouring type fire prevention outer wall heat preservation system and job practices that workmanship is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of pouring type fire prevention outer wall heat preservation system, it is characterized in that, comprise body of wall basic unit, insulation layer, the metal anchor connector, fiber cement board, flexible break resistant layer and finish coat, described insulation layer is between body of wall basic unit and fiber cement board, build moulding by the inorganic heat insulation material gradation, described metal anchor connector is with body of wall basic unit, insulation layer and fiber cement board link into an integrated entity, described flexible break resistant layer is compound in the fiber cement board outside, and described finish coat is positioned at the flexible break resistant layer outside.
In a preferred embodiment of the present invention, the thickness of described insulation layer is 40-100mm.
In a preferred embodiment of the present invention, described inorganic heat insulation material is fibre modification foam concrete or inorganic heat insulation mortar, dry density 200-400kg/m3.
In a preferred embodiment of the present invention, described metal anchor connector is I shape and " U " font alloy in lightweight material.
In a preferred embodiment of the present invention, the installing space of described metal anchor connector is each 40-60cm up and down, and an end adopts expansion bolt to be connected with base course wall, and the other end is connected with fiber cement board employing screw rivet.
In a preferred embodiment of the present invention, the board plane of described fiber cement board is of a size of 0.8-1.2m*1.8-2.2m, and thickness is 6-8mm.
In a preferred embodiment of the present invention, described flexible break resistant layer is to be the flexible break resistant layer of the built-in alkali resistant glass fiber grid cloth of the emulsion modified flexible putty for external wall of a kind of cement based.
In a preferred embodiment of the present invention, the thickness of described flexible break resistant layer is 2-4mm.
The invention also discloses a kind of job practices of pouring type fire prevention outer wall heat preservation system, it may further comprise the steps:
(1) from the bottom of body of wall basic unit, be each 40-60cm up and down according to installing space, one end adopts expansion bolt to be connected with base course wall, the connected mode that the other end is connected with fiber cement board employing screw rivet, in body of wall basic unit bottom bottom linker is installed first, at body of wall intermediate connector is installed, thickness at the distance body of wall 40-70mm of basic unit is installed fiber cement board, in seam and other slit used between flexible break resistant putty plugging plate and the plate, behind the height that is installed to 2-3m, use the mechanical agitation inorganic heat insulation material, with slip pressure pumping, directly be cast in the cavity between body of wall basic unit and the fiber cement board, natural curing to intensity to more than the 0.2Mpa;
(2) operation of repeating step (1), the inorganic heat preservation material is built in installation connecting element and stirring continuously, extends upwardly to gradually the top of top body of wall basic unit;
(3) smear the also flexible break resistant layer of compound alkali resistant glass fiber grid cloth of the emulsion modified flexible putty for external wall of cement based on the surface of fiber cement board, thickness is 2-4mm;
(4) carry out the outer wall surface decoration construction on the surface of flexible break resistant layer at last.
In a preferred embodiment of the present invention, the board plane of described fiber cement board is of a size of 0.8-1.2m*1.8-2.2m, and thickness is 6-8mm.
The invention has the beneficial effects as follows: the present invention adopts to make in advance and connects external member and fiber cement board is directly installed at body of wall, and template and is connected external member and need not dismantles is saved man-hour, and connector stealth installation does not affect outer decoration for vertical face effect.The inorganic material of cast is dry powder material, adds water during site operation and stirs and to get final product, and builds with the pressure pumping again, and the work progress slip is without leakage, economical with materials, and continuous productive process, speed of application is fast, effectively the Control Engineering construction quality.
Description of drawings
Fig. 1 is the cross-sectional view of pouring type fire prevention outer wall heat preservation system of the present invention one preferred embodiment;
The mark of each parts is as follows in the accompanying drawing: 1, base course wall; 2, insulation layer; 3, fiber cement board; 4, metal anchor connector; 5, flexible break resistant layer; 6, finish coat.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1, a kind of pouring type fire prevention outer wall heat preservation system, comprise body of wall basic unit 1, insulation layer 2, metal anchor connector 4, fiber cement board 3, flexible break resistant layer 5 and finish coat 6, described insulation layer 2 is between body of wall basic unit 1 and fiber cement board 3, thickness is 40-70mm, build moulding by the inorganic heat insulation material gradation, inorganic heat insulation material adopts fibre modification foam concrete or inorganic heat insulation mortar, have good flowability and cohesiveness, be fit to pumping, hardening structure globality, crack resistance are good, hardenite coefficient of thermal conductivity≤0.08 W/ (m
2K), compressive strength 〉=0.4MPa, water absorption rate≤10%; Metal anchor connector 4 is I shape and " U " font alloy in lightweight material, installing space is each 40-60cm up and down, one end adopts expansion bolt to be connected with base course wall 1, the other end adopts screw rivet to be connected with fiber cement board 3, and described metal anchor connector 4 links into an integrated entity body of wall basic unit 1, insulation layer 2 and fiber cement board 3; In the present invention, adopt board plane to be of a size of 0.8-1.2m*1.8-2.2m, thickness is the fiber cement board 3 of 6-8mm; At fiber cement board 3 outside composite and flexible crack-resistant layers 5, described flexible break resistant layer 5 is to be the flexible break resistant layer of the built-in alkali resistant glass fiber grid cloth of the emulsion modified flexible putty for external wall of a kind of cement based; Flexible break resistant layer 5 outside finish coat 6.
A kind of job practices of pouring type fire prevention outer wall heat preservation system, it may further comprise the steps:
(1) from the bottom of body of wall basic unit, be each 40-60cm up and down according to installing space, one end adopts expansion bolt to be connected with body of wall, the connected mode that the other end is connected with fiber cement board employing screw rivet, in body of wall basic unit bottom bottom linker is installed first, at body of wall intermediate connector is installed, can adopt the recondition measure adjustment wall face planeness such as pad, guarantee outer decoration for vertical face effect, connector plays a part to support and the anchoring fiber cement board; Thickness at the distance body of wall 40-100mm of basic unit is installed fiber cement board, and the board plane of fiber cement board is of a size of 0.8-1.2m*1.8-2.2m, and thickness is 6-8mm, can adjust according to the requirement of construction; With the seam between flexible break resistant putty plugging plate and the plate and other slit, slurry or mixing water leak outside from the slit when preventing from building the inorganic slip of high fluidity, after being installed to the height of 2-3m, use the mechanical agitation inorganic heat insulation material, with slip pressure pumping, directly be cast in the cavity between body of wall basic unit and the fiber cement board, natural curing to intensity to more than the 0.2Mpa;
(2) operation of repeating step (1), the inorganic heat preservation material is built in installation connecting element and stirring continuously, extends upwardly to gradually the top of top body of wall basic unit;
(3) smear the also flexible break resistant layer of compound alkali resistant glass fiber grid cloth of the emulsion modified flexible putty for external wall of cement based on the surface of fiber cement board, construction thickness 2-4mm, minute two-layer construction is pressed into grid cloth when constructing for the second time;
(4) carry out the outer wall surface decoration construction on the surface of flexible break resistant layer at last.
The present invention adopts to make in advance and connects external member and fiber cement board is directly installed at body of wall, and template and is connected external member and need not dismantles is saved man-hour, and connector stealth installation does not affect outer decoration for vertical face effect.The inorganic material of cast is dry powder material, adds water during site operation and stirs and to get final product, and builds with the pressure pumping again, and the work progress slip is without leakage, economical with materials, and continuous productive process, speed of application is fast, effectively the Control Engineering construction quality.
The above only is embodiments of the invention; be not so limit claim of the present invention; everyly utilize manual of the present invention and the equivalent structure of doing or equivalent flow process conversion; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. pouring type fire prevention outer wall heat preservation system, it is characterized in that, comprise body of wall basic unit, insulation layer, metal anchor connector, fiber cement board, flexible break resistant layer and finish coat, described insulation layer is between body of wall basic unit and fiber cement board, build moulding by the inorganic heat insulation material gradation, described metal anchor connector links into an integrated entity body of wall basic unit, insulation layer and fiber cement board, described flexible break resistant layer is compound in the fiber cement board outside, and described finish coat is positioned at the flexible break resistant layer outside.
2. pouring type fire prevention outer wall heat preservation system according to claim 1 is characterized in that the thickness of described insulation layer is 40-100mm.
3. pouring type fire prevention outer wall heat preservation system according to claim 1 is characterized in that described inorganic heat insulation material is fibre modification foam concrete or inorganic heat insulation mortar, dry density 200-400kg/m3.
4. pouring type fire prevention outer wall heat preservation system according to claim 1 is characterized in that described metal anchor connector is I shape and " U " font alloy in lightweight material.
5. pouring type according to claim 4 fire prevention outer wall heat preservation system, it is characterized in that, the installing space of described metal anchor connector is each 40-60cm up and down, and an end adopts expansion bolt to be connected with base course wall, and the other end is connected with fiber cement board employing screw rivet.
6. pouring type fire prevention outer wall heat preservation system according to claim 1 is characterized in that the board plane of described fiber cement board is of a size of 0.8-1.2m*1.8-2.2m, and thickness is 6-8mm.
7. pouring type fire prevention outer wall heat preservation system according to claim 1 is characterized in that described flexible break resistant layer is to be the flexible break resistant layer of the built-in alkali resistant glass fiber grid cloth of the emulsion modified flexible putty for external wall of a kind of cement based.
8. pouring type fire prevention outer wall heat preservation system according to claim 1 is characterized in that the thickness of described flexible break resistant layer is 2-4mm.
9. the job practices of pouring type fire prevention outer wall heat preservation system is characterized in that it may further comprise the steps:
(1) from the bottom of body of wall basic unit, be each 40-60cm up and down according to installing space, one end adopts expansion bolt to be connected with base course wall, the connected mode that the other end is connected with fiber cement board employing screw rivet, in body of wall basic unit bottom bottom linker is installed first, at body of wall intermediate connector is installed, thickness at the distance body of wall 40-70mm of basic unit is installed fiber cement board, in seam and other slit used between flexible break resistant putty plugging plate and the plate, behind the height that is installed to 2-3m, use the mechanical agitation inorganic heat insulation material, with slip pressure pumping, directly be cast in the cavity between body of wall basic unit and the fiber cement board, natural curing to intensity to more than the 0.2Mp;
(2) operation of repeating step (1), the inorganic heat preservation material is built in installation connecting element and stirring continuously, extends upwardly to gradually the top of top body of wall basic unit;
(3) smear the also flexible break resistant layer of compound alkali resistant glass fiber grid cloth of the emulsion modified flexible putty for external wall of cement based on the surface of fiber cement board, thickness is 2-4mm;
(4) carry out the outer wall surface decoration construction on the surface of flexible break resistant layer at last.
10. the job practices of pouring type fire prevention outer wall heat preservation system according to claim 9 is characterized in that the board plane of described fiber cement board is of a size of 0.8-1.2m*1.8-2.2m, and thickness is 6-8mm.
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| CN103469927A (en) * | 2013-09-12 | 2013-12-25 | 句容联众科技开发有限公司 | Method for preparing anti-crack and sound-proof lightweight wall |
| CN104652656A (en) * | 2015-02-11 | 2015-05-27 | 许浒 | Method for forming wall by combining split type self-insulation building blocks |
| CN105064554A (en) * | 2015-08-03 | 2015-11-18 | 绿建科技集团新型建材高技术有限公司 | Concrete self-insulation wall structure casted in place by vacuum insulated panel type heat-preservation non-demoulding formwork |
| CN105064627A (en) * | 2015-08-03 | 2015-11-18 | 绿建科技集团新型建材高技术有限公司 | Cast-in-place self heat insulation roof |
| CN105064575A (en) * | 2015-08-03 | 2015-11-18 | 绿建科技集团新型建材高技术有限公司 | Self-insulation floor casted in place by vacuum insulated panel type heat-preservation non-demoulding formwork and roof structure |
| CN111305591A (en) * | 2020-03-06 | 2020-06-19 | 河北省建筑科学研究院有限公司 | External thermal insulation prefabricated fireproof isolation strip for existing building external wall and construction method thereof |
| CN112266214A (en) * | 2020-10-31 | 2021-01-26 | 娄底市新越鼎建材科技有限公司 | Sandwich integrated external wall insulation board and preparation method thereof |
| CN112321210A (en) * | 2020-10-31 | 2021-02-05 | 娄底市新越鼎建材科技有限公司 | Integrated insulation board with built-in connecting piece and preparation method thereof |
| CN112324008A (en) * | 2020-11-11 | 2021-02-05 | 湖南顺铭科技有限公司 | Prefabricated external wall panel |
| CN114876094A (en) * | 2022-05-30 | 2022-08-09 | 中建科技有限公司华东分公司 | Efficient heat-insulation integrated prefabricated wallboard system without cold and hot bridges and installation method |
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| CN103469927A (en) * | 2013-09-12 | 2013-12-25 | 句容联众科技开发有限公司 | Method for preparing anti-crack and sound-proof lightweight wall |
| CN103469927B (en) * | 2013-09-12 | 2016-04-06 | 周建平 | A kind of preparation method of cracking resistance sound-proof lightweight wall |
| CN104652656A (en) * | 2015-02-11 | 2015-05-27 | 许浒 | Method for forming wall by combining split type self-insulation building blocks |
| CN104652656B (en) * | 2015-02-11 | 2017-09-26 | 许浒 | A kind of split type heat insulation building block is combined into wall method |
| CN105064554A (en) * | 2015-08-03 | 2015-11-18 | 绿建科技集团新型建材高技术有限公司 | Concrete self-insulation wall structure casted in place by vacuum insulated panel type heat-preservation non-demoulding formwork |
| CN105064627A (en) * | 2015-08-03 | 2015-11-18 | 绿建科技集团新型建材高技术有限公司 | Cast-in-place self heat insulation roof |
| CN105064575A (en) * | 2015-08-03 | 2015-11-18 | 绿建科技集团新型建材高技术有限公司 | Self-insulation floor casted in place by vacuum insulated panel type heat-preservation non-demoulding formwork and roof structure |
| CN111305591A (en) * | 2020-03-06 | 2020-06-19 | 河北省建筑科学研究院有限公司 | External thermal insulation prefabricated fireproof isolation strip for existing building external wall and construction method thereof |
| CN112266214A (en) * | 2020-10-31 | 2021-01-26 | 娄底市新越鼎建材科技有限公司 | Sandwich integrated external wall insulation board and preparation method thereof |
| CN112321210A (en) * | 2020-10-31 | 2021-02-05 | 娄底市新越鼎建材科技有限公司 | Integrated insulation board with built-in connecting piece and preparation method thereof |
| CN112321210B (en) * | 2020-10-31 | 2022-05-24 | 娄底市新越鼎建材科技有限公司 | Integrated heat insulation plate with built-in connecting piece and preparation method thereof |
| CN112324008A (en) * | 2020-11-11 | 2021-02-05 | 湖南顺铭科技有限公司 | Prefabricated external wall panel |
| CN114876094A (en) * | 2022-05-30 | 2022-08-09 | 中建科技有限公司华东分公司 | Efficient heat-insulation integrated prefabricated wallboard system without cold and hot bridges and installation method |
| CN114876094B (en) * | 2022-05-30 | 2024-01-23 | 中建科技集团有限公司 | Efficient heat-preservation integrated prefabricated wallboard system without cold and hot bridge and installation method |
| CN115217340A (en) * | 2022-06-09 | 2022-10-21 | 河南省第一建筑工程集团有限责任公司 | Anchor bolt-free non-bonding installation method suitable for external insulation layer of steel structure building |
| CN115217340B (en) * | 2022-06-09 | 2023-11-28 | 河南省第一建筑工程集团有限责任公司 | Anchor-bolt-free unbonded installation method suitable for outer thermal insulation layer of steel structure building |
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Address after: 213015 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Patentee after: Changzhou Institute of building science group Limited by Share Ltd Patentee after: Jiangsu Nigao Technology Co., Ltd. Address before: 213015 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Patentee before: Changzhou Architectural Research Institute Co., Ltd. Patentee before: Jiangsu Nigao Technology Co., Ltd. |