CN103216091A - Construction method of heat-insulation wall body for combining outer filling wall and outer shearing wall - Google Patents
Construction method of heat-insulation wall body for combining outer filling wall and outer shearing wall Download PDFInfo
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- CN103216091A CN103216091A CN2013101210869A CN201310121086A CN103216091A CN 103216091 A CN103216091 A CN 103216091A CN 2013101210869 A CN2013101210869 A CN 2013101210869A CN 201310121086 A CN201310121086 A CN 201310121086A CN 103216091 A CN103216091 A CN 103216091A
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- 238000009413 insulation Methods 0.000 title claims abstract description 61
- 238000010276 construction Methods 0.000 title claims abstract description 47
- 238000010008 shearing Methods 0.000 title abstract 6
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000007796 conventional method Methods 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 229920006327 polystyrene foam Polymers 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000004134 energy conservation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention relates to a construction method of a heat-insulation wall body for combining an outer filling wall and an outer shearing wall. A lightweight reinforced concrete center sandwich heat-insulation wall is used as a filling wall and consists of a light-weight reinforced concrete layer, a heat-insulation core plate and a steel bar crosslinked net. The construction method comprises the following steps that 1, a shearing wall is constructed by a conventional method; 2, a heat-insulation thin plate is pasted at one side of the shear wall; 3, a component formed by the heat-insulation core plate and the steel bar crosslinked net is processed, and in addition, one end of the steel bar net at one side is reserved for a certain length; 4, the component processed in the step 3 is spliced with the shearing wall so that the steel bar net reserved at one side of the filling wall extends to the outer side of the heat-insulation thin plate, and the steel bar net, the heat-insulation thin plate and the shearing wall are fixed through expansion bolts; and 5, ceramsite concrete is sprayed and coated to two sides of the component formed by the heat insulation core plate and the steel bar crosslinked net, and a light-weight concrete layer is formed; and meanwhile, the ceramsite concrete is sprayed and coated to the outer side of the heat-insulation thin plate, a light-weight concrete thin layer is formed, one side of the light-weight concrete thin layer is aligned with the light-weight concrete thin layer, and the other side of the light-weight concrete thin layer is aligned with the shearing wall.
Description
Technical field
The present invention relates to the external wall construction of building, refer to the heat-preserving wall job practices 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 need carry out energy-saving heat preserving and handle by national energy conservation criteria requirement.After country carries out 65% energy conservation standard, the traditional inorganic heat insulation material layer of common outer infilled wall and outer shear wall need thicken 7～11cm, this is when having a strong impact on the actual usable floor area of building, also cause difficulty of construction to increase greatly, and the rising that thereupon brings the prolongation of construction period and the price of constructing, and infilled wall is to separate construction with shear wall, so be not easy to combine, junction after the construction often is prone to the crack, cause above-mentioned blocked up adiabator layer to be easy to generate the crack, hollowing, quality problems such as seepage reduce the durability of heat-preserving wall.
Summary of the invention
Technical problem to be solved by this invention just provides the heat-preserving wall job practices 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 the construction not only can reach 65% energy conservation standard that country carries out, and reduced outer shear wall thickness, simultaneously, the durability height of heat-preserving wall.
For solving the problems of the technologies described above, the heat-preserving wall job practices 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 the light weight concrete construction layer, insulation central layer and reinforcing bar cross-linked network, the insulation central layer is arranged at the center of light weight concrete construction layer, in the insulation central layer, the outside has some horizontal grooves, the reinforcing bar cross-linked network is made of with the some cross wise reinforcements that are welded between two parallel steel mesh reinforcements two parallel steel mesh reinforcements, two parallel steel mesh reinforcements are positioned at light weight concrete construction layer outward flange, some cross wise reinforcements are interspersed in the whole insulated wall, and its special feature is that it comprises the steps:
1) shear wall of constructing according to a conventional method;
2) at shear wall one side paste heat-preserving thin plate;
3) processing is incubated the member of central layer and reinforcing bar cross-linked network composition, and an end of a side steel mesh reinforcement is reserved a segment length;
4) member that step 3) is processed and shear wall splice, and the steel mesh reinforcement that infilled wall one side is reserved extends to the insulation thin plate outside, with expansion bolt steel mesh reinforcement, insulation thin plate and shear wall is fixed;
5) haydite concrete is sprayed into the member both sides that insulation central layer and reinforcing bar cross-linked network are formed, forms the light weight concrete construction layer; Simultaneously, haydite concrete is sprayed into the insulation thin plate outside, forms the light weight concrete construction thin layer, light weight concrete construction layer one side is concordant with the light weight concrete construction thin layer, opposite side is concordant with shear wall.
In the technique scheme, described insulation central layer and insulation thin plate are selected polystyrene foam plate for use, preferred extruded polystyrene cystosepiment (XPS).
In the technique scheme, described insulation gauge of sheet is 2～3cm.
In the technique scheme, the outside of described insulation thin plate has some grooves,
Groove spaced set, the spacing of adjacent grooves are 15～20cm, and the degree of depth of groove is 0.5～1cm.
In the described step 3) of technique scheme, the length that steel mesh reinforcement one end is reserved is no less than 1m, is not more than shear wall length.
In the described step 4) of technique scheme, the steel mesh reinforcement that infilled wall one side is reserved extends to the insulation thin plate outside, and steel mesh reinforcement is less than or equal to 1cm with the spacing in the insulation thin plate outside.
In the described step 4) of technique scheme, every square metre is provided with five pieces of expansion bolts, is quincuncial arrangement.
The described step 4) of technique scheme also comprises: in a not side bar planting of paste heat-preserving thin plate of shear wall.
In the described step 5) of technique scheme, the light weight concrete construction layer thickness of spraying is 4～5cm.
In the described step 5) of technique scheme, 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: adopted light reinforced concrete center sandwich heat preserving wall as infilled wall, and its steel mesh reinforcement extended to shear wall is outer to be fixed with insulation thin plate and shear wall, and the outer light weight concrete construction thin layer integral spray of light weight concrete construction layer that infilled wall is outer and shear wall is an integral structure, makes infilled wall and shear wall junction be good body of wall globality and insulation construction globality; Two kinds of inorganic heat insulation materials and organic insulation material combine, can either reach the 65% energy-conservation requirement that country carries out, can reduce the shear wall thermal insulation layer thickness again, reduce difficulty of construction, accelerated speed of application, and effectively prevented the generation of heat-preserving wall crack, hollowing, seepage, heat-preserving wall durability height after the construction.
Description of drawings
The heat-preserving wall cross-sectional structure schematic diagram that Fig. 1 constructs after finishing for the embodiment of the invention 1;
The heat-preserving wall cross-sectional structure schematic diagram that Fig. 2 constructs after finishing for the embodiment of the invention 2;
Fig. 3 is the cross-sectional structure schematic diagram of shear wall and insulation construction thereof among Fig. 1;
Among the figure: 1-shear wall, 2-insulation central layer (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, and 7-insulation thin plate (wherein: 7.1-groove), 8-light weight concrete construction thin layer.
The specific embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are described in further detail:
The heat-preserving wall job practices that a kind of outer infilled wall of the present invention and outer shear wall combine, infilled wall employing application number is 201220514623.7 patent application " a kind of light reinforced concrete center sandwich heat preserving wall " structure, it comprises light weight concrete construction layer 5, insulation central layer 2 and reinforcing bar cross-linked network 3, insulation central layer 2 is selected XPS for use, it is arranged at the center of light weight concrete construction layer 5, for the concrete of guaranteeing to spray combines well with insulation central layer 2, have some horizontal grooves 2.1 in the medial and lateral of insulation central layer 2.Reinforcing bar cross-linked network 3 by two parallel steel mesh reinforcements 3.1 be welded on two some cross wise reinforcements 3.2 between the parallel steel mesh reinforcement 3.1 and constitute, two parallel steel mesh reinforcements 3.1 are positioned at light weight concrete construction layer 5 outward flange, and some cross wise reinforcements 3.2 are " X " type and are interspersed in the whole infilled wall.Shear wall 1 preferred reinforced concrete shear wall.
Embodiment 1
As shown in figures 1 and 3, the heat-preserving wall of present embodiment construction comprises an infilled wall and a shear wall 1, and the concrete operations step is as follows:
1) shear wall 1 of constructing according to a conventional method;
2) paste the thick insulation thin plate 7 of 2～3cm in shear wall 1 one sides (inboard or the outside), insulation thin plate 7 is selected difficult combustion thermal insulation XPS for use.For the concrete of guaranteeing to spray in the subsequent operation combines 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 on the insulation central layer 2;
3) member of processing insulation central layer 2 and reinforcing bar cross-linked network 3 compositions, and an end of a side (inboard or the outside) steel mesh reinforcement 3.1 reserved a segment length, length in reserve is adjusted according to on-site actual situations, generally is not less than 1m, and maximum can cover whole shear wall 1 length;
4) member that step 3) is processed and shear wall 1 splice, and the steel mesh reinforcement 3.1 that infilled wall one side is reserved extends to insulation thin plate 7 outsides, and steel mesh reinforcement 3.1 is less than or equal to 1cm with the spacing that is incubated thin plate 7 outsides.The insulation thin plate 7 every square metre that five pieces of expansion bolts 4 about 9cm are set is fixing with steel mesh reinforcement 3.1, insulation thin plate 7 and shear wall 1, five pieces of expansion bolts 4 are quincuncial arrangement, make anchored force even.Simultaneously, can be in a not side bar planting of paste heat-preserving thin plate 7 of shear wall 1, so that the globality after further increasing shear wall 1 and infilled wall combines behind the gunning concrete;
5) haydite concrete is sprayed into the member both sides that insulation central layer 2 and reinforcing bar cross-linked network 3 are formed, forms the thick light weight concrete construction layer 5 of 4～5cm; Simultaneously, haydite concrete is sprayed into insulation thin plate 7 outsides, forms the thick light weight concrete construction thin layer 8 of 2～3cm, light weight concrete construction layer 5 one side and light weight concrete construction thin layer 8 be integral structure and concordant, opposite side is concordant with shear wall 1.
Promptly form the heat-preserving wall that outer infilled wall and outer reinforced concrete shear wall constitute thus.Simultaneously, not only thickness is little than traditional structure for the shear wall compound insulation structure of above-mentioned " XPS+ haydite concrete ", and satisfies the 65% energy-conservation requirement that country carries out.Following table 1 has promptly provided the thermal property computation sheet of a kind of heat-preserving wall shear wall part of construction as stated above, and table 4 shows that wall heat transfer coefficient is 0.7m
2K is less than 1m
2K, the heat inertia index of body of wall is 3.28, greater than 2.5, satisfies the 65% energy-conservation requirement that country carries out.
Table 1
Embodiment 2
As shown in Figure 2, the heat-preserving wall of 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 only is to need to reserve the steel mesh reinforcement 3.1 of two sides infilled wall, and when infilled wall and shear wall 1 splicing, two steel mesh reinforcements 3.1 extend to insulation thin plate 7 outsides respectively and overlap mutually, make insulation thin plate 7 outer steel mesh reinforcements 3.1 form whole.
Claims (10)
1. the heat-preserving wall job practices that combines of 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), insulation central layer (2) and reinforcing bar cross-linked network (3), insulation central layer (2) is arranged at the center of light weight concrete construction layer (5), in the insulation central layer (2), the outside has some horizontal grooves (2.1), reinforcing bar cross-linked network (3) is made of with the some cross wise reinforcements (3.2) that are welded between two parallel steel mesh reinforcements (3.1) two parallel steel mesh reinforcements (3.1), two parallel steel mesh reinforcements (3.1) are positioned at light weight concrete construction layer (5) outward flange, some cross wise reinforcements (3.2) are interspersed in the whole insulated wall, it is characterized in that it comprises the steps:
1) shear wall (1) of constructing according to a conventional method;
2) at shear wall (1) one side paste heat-preserving thin plate (7);
3) processing is incubated the member of central layer (2) and reinforcing bar cross-linked network (3) composition, and an end of a side steel mesh reinforcement (3.1) is reserved a segment length;
4) member that step 3) is processed and shear wall (1) splice, the steel mesh reinforcement (3.1) that infilled wall one side is reserved extends to insulation thin plate (7) outside, and is with expansion bolt (4) that steel mesh reinforcement (3.1), insulation thin plate (7) and shear wall (1) is fixing;
5) haydite concrete is sprayed into the member both sides that insulation central layer (2) and reinforcing bar cross-linked network (3) are formed, forms light weight concrete construction layer (5); Simultaneously, haydite concrete is sprayed into insulation thin plate (7) outside, forms light weight concrete construction thin layer (8), light weight concrete construction layer (5) one side are concordant with light weight concrete construction thin layer (8), opposite side is concordant with shear wall (1).
2. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine is characterized in that: described insulation central layer (2) and insulation thin plate (7) are selected polystyrene foam plate for use.
3. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine is characterized in that: the thickness of described insulation thin plate (7) is 2～3cm.
4. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine, 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 heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine is characterized in that: in the described step 3), the length that steel mesh reinforcement (3.1) one ends are reserved is no less than 1m, (1) length that is not more than shear wall.
6. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine, it is characterized in that: in the described step 4), the steel mesh reinforcement (3.1) that infilled wall one 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 in insulation thin plate (7) outside.
7. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine is characterized in that: in the described step 4), every square metre is provided with five pieces of expansion bolts (4), is quincuncial arrangement.
8. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine is characterized in that described step 4) also comprises: in a not side bar planting of paste heat-preserving thin plate (7) of shear wall (1).
9. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine is characterized in that: in the described step 5), light weight concrete construction layer (5) thickness of spraying is 4～5cm.
10. the heat-preserving wall job practices that outer infilled wall according to claim 1 and outer shear wall combine is characterized in that: in the described step 5), light weight concrete construction thin layer (8) thickness of spraying is 2～3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
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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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938870A (en) * | 2014-03-27 | 2014-07-23 | 焦作建工集团有限公司 | Lightweight concrete and normal concrete synchronously-pouring method |
| CN104775543A (en) * | 2015-05-01 | 2015-07-15 | 俞锡贤 | Building surrounding protection structure fireproof and seepage-resistant self-heat-insulation inner wall body and construction method thereof |
| CN104790556A (en) * | 2015-05-01 | 2015-07-22 | 俞锡贤 | Building envelope fireproof anti-seepage self-insulating outer wall and construction method thereof |
| 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 |
| CN110130606A (en) * | 2019-05-22 | 2019-08-16 | 中建八局第三建设有限公司 | Heat preservation decoration integrative fills wall position double-mechanical anchor system and its construction method |
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| 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 |
| CN110130606A (en) * | 2019-05-22 | 2019-08-16 | 中建八局第三建设有限公司 | Heat preservation decoration integrative fills wall position double-mechanical anchor system and its construction 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 thermal insulation and decoration integrated filling wall and its construction method |
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| CN103216091B (en) | 2016-01-20 |
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