CN103216091B - The construction method of heat-insulation wall body that a kind of outer infilled wall and outer shear wall combine - Google Patents
The construction method of heat-insulation wall body that a kind of outer infilled wall and outer shear wall combine Download PDFInfo
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- CN103216091B CN103216091B CN201310121086.9A CN201310121086A CN103216091B CN 103216091 B CN103216091 B CN 103216091B CN 201310121086 A CN201310121086 A CN 201310121086A CN 103216091 B CN103216091 B CN 103216091B
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Abstract
The construction method of heat-insulation wall body that a kind of outer infilled wall and outer shear wall combine, adopt light reinforced concrete center sandwich heat preserving wall as infilled wall, be made up of light weight concrete construction layer, heat preservation core plate and reinforcing bar cross-linked network, comprise the steps: 1) shear wall of constructing according to a conventional method; 2) at shear wall side paste heat-preserving thin plate; 3) component of heat preservation core plate and reinforcing bar cross-linked network composition is processed, and by a segment length that is reserved for one end of side steel mesh reinforcement; 4) component step 3) processed and shear wall splice, and make the reserved steel mesh reinforcement in infilled wall side extend to outside insulation thin plate, steel mesh reinforcement, insulation thin plate and shear wall are fixed with expansion bolt; 5) haydite concrete is sprayed into the component both sides of heat preservation core plate and reinforcing bar cross-linked network composition, forms light weight concrete construction layer; Meanwhile, be sprayed into by haydite concrete outside insulation thin plate, form light weight concrete construction thin layer, light weight concrete construction layer side is concordant with light weight concrete construction thin layer, opposite side is concordant with shear wall.
Description
Technical field
The present invention relates to the external wall construction of building, refer to the construction method of heat-insulation wall body that a kind of outer infilled wall and outer shear wall combine particularly.
Background technology
The outer infilled wall of building and outer shear wall press national energy-saving code requirement, need to carry out energy-saving heat preserving process.After country carries out 65% energy conservation standard, common outer infilled wall and the traditional inorganic heat insulation material layer of outer shear wall need thicken 7 ~ 11cm, this is while having a strong impact on the actual usable floor area of building, difficulty of construction is also caused greatly to increase, and bring the prolongation of construction period and the rising of construction price thereupon, and infilled wall is separate to construct with shear wall, so be not easy to combine, often easily there is crack in the junction after construction, above-mentioned blocked up adiabator layer is caused easily to produce crack, hollowing, the quality problems such as seepage, the durability of heat-preserving wall is reduced.
Summary of the invention
Technical problem to be solved by this invention is just to provide the construction method of heat-insulation wall body that a kind of outer infilled wall and outer shear wall combine, its difficulty of construction is low, speed of application is fast, heat-preserving wall after construction can not only reach 65% energy conservation standard that country carries out, and decrease outer shear wall thickness, meanwhile, the durability of heat-preserving wall is high.
For solving the problems of the technologies described above, the construction method of heat-insulation wall body that a kind of outer infilled wall provided by the invention and outer shear wall combine, adopt light reinforced concrete center sandwich heat preserving wall as infilled wall, described light reinforced concrete center sandwich heat preserving wall comprises light weight concrete construction layer, heat preservation core plate and reinforcing bar cross-linked network, heat preservation core plate is arranged at the center of light weight concrete construction layer, in heat preservation core plate, outside has some horizontal grooves, reinforcing bar cross-linked network is made up of the parallel steel mesh reinforcement of two panels and the some cross wise reinforcements be welded between two panels parallel rebar net, the parallel steel mesh reinforcement of two panels is positioned at light weight concrete construction layer outward flange, some cross wise reinforcements are interspersed in whole insulated wall, its special feature is that it comprises the steps:
1) to construct according to a conventional method shear wall;
2) at shear wall side paste heat-preserving thin plate;
3) component of heat preservation core plate and reinforcing bar cross-linked network composition is processed, and by a segment length that is reserved for one end of side steel mesh reinforcement;
4) by step 3) component that processes and shear wall splice, make the reserved steel mesh reinforcement in infilled wall side extend to outside insulation thin plate, steel mesh reinforcement, insulation thin plate and shear wall are fixed with expansion bolt;
5) haydite concrete is sprayed into the component both sides of heat preservation core plate and reinforcing bar cross-linked network composition, forms light weight concrete construction layer; Meanwhile, be sprayed into by haydite concrete outside insulation thin plate, form light weight concrete construction thin layer, light weight concrete construction layer side is concordant with light weight concrete construction thin layer, opposite side is concordant with shear wall.
In technique scheme, described heat preservation core plate and insulation thin plate select polystyrene foam plate, preferred extruded polystyrene foam board (XPS).
In technique scheme, described insulation gauge of sheet is 2 ~ 3cm.
In technique scheme, the outside of described insulation thin plate has some grooves,
Groove spaced set, the spacing of adjacent grooves is 15 ~ 20cm, and the degree of depth of groove is 0.5 ~ 1cm.
The described step 3 of technique scheme) in, the length that steel mesh reinforcement one end is reserved is no less than 1m, is not more than shear wall length.
The described step 4 of technique scheme) in, the steel mesh reinforcement that infilled wall side is reserved extends to outside insulation thin plate, and steel mesh reinforcement is less than or equal to 1cm with the spacing outside insulation thin plate.
The described step 4 of technique scheme) in, every square metre arranges five pieces of expansion bolts, in quincuncial arrangement.
The described step 4 of technique scheme) also comprise: in the side bar planting of the non-paste heat-preserving thin plate of shear wall.
The described step 5 of technique scheme) in, the light weight concrete construction layer thickness of spraying is 4 ~ 5cm.
The described step 5 of technique scheme) in, the light weight concrete construction thickness of thin layer of spraying is 2 ~ 3cm.
Compared with prior art, beneficial effect of the present invention is: have employed light reinforced concrete center sandwich heat preserving wall as infilled wall, and its steel mesh reinforcement is extended to shear wall is outer to be fixed with insulation thin plate and shear wall, and the light weight concrete construction layer outside infilled wall and the light weight concrete construction thin layer integral spray outside shear wall are integral type structure, infilled wall and shear wall junction is made to be good wall integrity and insulation construction globality; Two kinds of inorganic heat insulation materials and organic insulation material combine, 65% power conservation requirement that country carries out can either be reached, shear wall thermal insulation layer thickness can be reduced again, reduce difficulty of construction, accelerate speed of application, and effectively prevent the generation of heat-preserving wall crack, hollowing, seepage, the heat-preserving wall durability after construction is high.
Accompanying drawing explanation
Fig. 1 is the heat-preserving wall cross-sectional structure schematic diagram after the embodiment of the present invention 1 has been constructed;
Fig. 2 is the heat-preserving wall cross-sectional structure schematic diagram after the embodiment of the present invention 2 has been constructed;
Fig. 3 is the cross-sectional structure schematic diagram of shear wall and insulation construction thereof in Fig. 1;
In figure: 1-shear wall, 2-heat preservation core plate (wherein: 2.1-groove), 3-reinforcing bar cross-linked network (wherein: 3.1-steel mesh reinforcement, 3.2-cross wise reinforcement), 4-expansion bolt, 5-light weight concrete construction layer, 6-bar planting, 7-is incubated thin plate (wherein: 7.1-groove), 8-light weight concrete construction thin layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in further detail:
The construction method of heat-insulation wall body that a kind of outer infilled wall of the present invention and outer shear wall combine, infilled wall employing application number is patent application " a kind of light reinforced concrete center sandwich heat preserving wall " structure of 201220514623.7, it comprises light weight concrete construction layer 5, heat preservation core plate 2 and reinforcing bar cross-linked network 3, heat preservation core plate 2 selects XPS, it is arranged at the center of light weight concrete construction layer 5, for guaranteeing that the concrete sprayed is combined well with heat preservation core plate 2, have some horizontal grooves 2.1 in the medial and lateral of heat preservation core plate 2.Reinforcing bar cross-linked network 3 is made up of the parallel steel mesh reinforcement 3.1 of two panels and the some cross wise reinforcements 3.2 be welded between two panels parallel rebar net 3.1, the parallel steel mesh reinforcement 3.1 of two panels is positioned at light weight concrete construction layer 5 outward flange, and some cross wise reinforcements 3.2 are interspersed in whole infilled wall in " X " type.Shear wall 1 is reinforced concrete shear wall preferably.
Embodiment 1
As shown in figures 1 and 3, the heat-preserving wall of the present embodiment construction comprises an infilled wall and a shear wall 1, and concrete operation step is as follows:
1) according to a conventional method construct shear wall 1;
2) the thick insulation thin plate 7 of 2 ~ 3cm is pasted in shear wall 1 side (inner side or outside), the XPS that insulation thin plate 7 selects difficult combustion adiabatic.For guaranteeing that the concrete sprayed in subsequent operation is combined well with insulation thin plate 7, have some grooves 7.1 in the outside of insulation thin plate 7, for ease of processing, the specification of this groove 7.1 can be identical with the groove 2.1 in heat preservation core plate 2;
3) component of heat preservation core plate 2 and reinforcing bar cross-linked network 3 composition is processed, and by a segment length that is reserved for one end of side (inner side or outside) steel mesh reinforcement 3.1, length in reserve adjusts according to on-site actual situations, is generally not less than 1m, maximumly covers whole shear wall 1 length;
4) by step 3) component that processes and shear wall 1 splice, and the reserved steel mesh reinforcement 3.1 in infilled wall side is extended to outside insulation thin plate 7, and steel mesh reinforcement 3.1 is less than or equal to 1cm with the spacing outside insulation thin plate 7.Steel mesh reinforcement 3.1, insulation thin plate 7 and shear wall 1 are fixed by insulation thin plate 7 every square metre of expansion bolt 4 arranging five pieces of about 9cm, and five pieces of expansion bolts 4, in quincuncial arrangement, make anchored force even.Meanwhile, can in the side bar planting of the non-paste heat-preserving thin plate 7 of shear wall 1 so that increase further after gunning concrete shear wall 1 be combined with infilled wall after globality;
5) haydite concrete is sprayed into the component both sides that heat preservation core plate 2 and reinforcing bar cross-linked network 3 form, forms the light weight concrete construction layer 5 that 4 ~ 5cm is thick; Meanwhile, haydite concrete is sprayed into outside insulation thin plate 7, forms the thick light weight concrete construction thin layer 8 of 2 ~ 3cm, light weight concrete construction layer 5 side be integral type structure with light weight concrete construction thin layer 8 and concordant, opposite side is concordant with shear wall 1.
Namely the heat-preserving wall that outer infilled wall and outer reinforced concrete shear wall are formed is formed thus.Meanwhile, not only thickness is little compared with traditional structure for the shear wall compound insulation structure of above-mentioned " XPS+ haydite concrete ", and meets 65% power conservation requirement of country's implementation.Namely following table 1 gives the thermal property computation sheet of a kind of heat-preserving wall shear wall part of constructing as stated above, and table 1 shows, and wall heat transfer coefficient is 0.7m
2k, is less than 1m
2k, the heat inertia index of body of wall is 3.28, is greater than 2.5, meets 65% power conservation requirement that country carries out.
Table 1
Embodiment 2
As shown in Figure 2, the heat-preserving wall of the present embodiment construction comprises the two sides infilled wall on a shear wall 1 and both sides thereof, its construction sequence is substantially the same manner as Example 1, difference is only the steel mesh reinforcement 3.1 need reserving two sides infilled wall, and when infilled wall and shear wall 1 splice, two steel mesh reinforcements 3.1 extend to respectively to insulation thin plate 7 outside and mutually overlap, make the steel mesh reinforcement 3.1 outside insulation thin plate 7 form entirety.
Claims (10)
1. the construction method of heat-insulation wall body that combines of an outer infilled wall and outer shear wall, adopt light reinforced concrete center sandwich heat preserving wall as infilled wall, described light reinforced concrete center sandwich heat preserving wall comprises light weight concrete construction layer (5), heat preservation core plate (2) and reinforcing bar cross-linked network (3), heat preservation core plate (2) is arranged at the center of light weight concrete construction layer (5), in heat preservation core plate (2), outside has some horizontal grooves (2.1), reinforcing bar cross-linked network (3) is made up of the parallel steel mesh reinforcement (3.1) of two panels and the some cross wise reinforcements (3.2) be welded between two panels parallel rebar net (3.1), the parallel steel mesh reinforcement (3.1) of two panels is positioned at light weight concrete construction layer (5) outward flange, some cross wise reinforcements (3.2) are interspersed in whole insulated wall, it is characterized in that, it comprises the steps:
1) to construct according to a conventional method shear wall (1);
2) in shear wall (1) side paste heat-preserving thin plate (7);
3) process heat preservation core plate (2) and the component that forms of reinforcing bar cross-linked network (3), and a segment length is reserved in one end of side steel mesh reinforcement (3.1);
4) component step 3) processed and shear wall (1) splice, make the reserved steel mesh reinforcement (3.1) in infilled wall side extend to insulation thin plate (7) outside, with expansion bolt (4), steel mesh reinforcement (3.1), insulation thin plate (7) and shear wall (1) are fixed;
5) haydite concrete is sprayed into the component both sides that heat preservation core plate (2) and reinforcing bar cross-linked network (3) form, forms light weight concrete construction layer (5); Meanwhile, haydite concrete is sprayed into insulation thin plate (7) outside, form light weight concrete construction thin layer (8), light weight concrete construction layer (5) side is concordant with light weight concrete construction thin layer (8), opposite side is concordant with shear wall (1).
2. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, is characterized in that: polystyrene foam plate is selected in described heat preservation core plate (2) and insulation thin plate (7).
3. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, is characterized in that: the thickness of described insulation thin plate (7) is 2 ~ 3cm.
4. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, it is characterized in that: the outside of described insulation thin plate (7) has some grooves (7.1), groove (7.1) spaced set, the spacing of adjacent grooves (7.1) is 15 ~ 20cm, and the degree of depth of groove (7.1) is 0.5 ~ 1cm.
5. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, is characterized in that: in described step 3), and the reserved length in steel mesh reinforcement (3.1) one end is no less than 1m, (1) length that is not more than shear wall.
6. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, it is characterized in that: in described step 4), the steel mesh reinforcement (3.1) that infilled wall side is reserved extends to insulation thin plate (7) outside, and steel mesh reinforcement (3.1) is less than or equal to 1cm with the spacing outside insulation thin plate (7).
7. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, it is characterized in that: in described step 4), every square metre arranges five pieces of expansion bolts (4), in quincuncial arrangement.
8. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, is characterized in that described step 4) also comprises: in the side bar planting of the non-paste heat-preserving thin plate (7) of shear wall (1).
9. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, it is characterized in that: in described step 5), light weight concrete construction layer (5) thickness of spraying is 4 ~ 5cm.
10. the construction method of heat-insulation wall body that combines of outer infilled wall according to claim 1 and outer shear wall, it is characterized in that: in described step 5), light weight concrete construction thin layer (8) thickness of spraying is 2 ~ 3cm.
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| CN201310121086.9A CN103216091B (en) | 2013-04-09 | 2013-04-09 | The construction method of heat-insulation wall body that a kind of outer infilled wall and outer shear wall combine |
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| CN201310121086.9A CN103216091B (en) | 2013-04-09 | 2013-04-09 | The construction method of heat-insulation wall body that a kind of outer infilled wall and outer shear wall combine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103938870B (en) * | 2014-03-27 | 2015-11-18 | 焦作建工集团有限公司 | The synchronous pouring construction method of a kind of light weight concrete construction and ordinary concrete |
| CN104790556B (en) * | 2015-05-01 | 2017-08-01 | 俞锡贤 | The impervious self-heat conserving external wall body of architectural exterior-protecting construction fire prevention and its construction |
| CN104775543B (en) * | 2015-05-01 | 2017-07-04 | 俞锡贤 | The impervious self-heat conserving inner wall of architectural exterior-protecting construction fire prevention and its construction |
| CN107366299A (en) * | 2016-05-11 | 2017-11-21 | 五冶集团上海有限公司 | A kind of concrete preformed hole hole Formwork Installation Method |
| CN110130606B (en) * | 2019-05-22 | 2024-04-09 | 中建八局第三建设有限公司 | Double mechanical anchoring system for heat-insulating and decoration integrated filling wall part and construction method thereof |
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Patent Citations (8)
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| US5033248A (en) * | 1990-01-05 | 1991-07-23 | Phillips Charles N | Reinforced concrete building and method of construction |
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