CN103790247A - Cast-in-situ heat preservation beam or column or shear wall and construction method - Google Patents
Cast-in-situ heat preservation beam or column or shear wall and construction method Download PDFInfo
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- CN103790247A CN103790247A CN201410027326.3A CN201410027326A CN103790247A CN 103790247 A CN103790247 A CN 103790247A CN 201410027326 A CN201410027326 A CN 201410027326A CN 103790247 A CN103790247 A CN 103790247A
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 238000004321 preservation Methods 0.000 title abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 128
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 10
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 11
- 230000003014 reinforcing Effects 0.000 claims description 6
- 230000002093 peripheral Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- 238000009415 formwork Methods 0.000 abstract 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 4
- 239000011505 plaster Substances 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The invention discloses a cast-in-situ heat preservation beam or column or shear wall. The cast-in-situ heat preservation beam or column or shear wall comprises a heat preservation and insulation board, a steel reinforcement cage, cast-in-situ concrete, a mortar layer and a steel wire mesh, wherein holes are formed in the heat preservation and insulation board, sleeves are arranged inside the holes in the heat preservation and insulation board, and a plug assembly composed of a hard bar and a plug is arranged inside each sleeve. A construction method of the cast-in-situ heat preservation beam or column or shear wall comprises the steps that the steel reinforcement cage is assembled, the heat preservation and insulation board is installed, the sleeves penetrate in the holes in the heat preservation and insulation board, bolts penetrate in the sleeves, and a formwork is erected; the inside concrete is poured, and the bolts and the formwork are removed sequentially after the inside cast-in-situ concrete reaches definite strength; the plug assemblies are inserted in the sleeves, the steel wire mesh is fixed on the outer side of the heat preservation and insulation board, the outer side of the heat preservation and insulation board is coated with the mortar layer, and finally the integral cast-in-situ heat preservation beam or column or shear wall is formed. The cast-in-situ heat preservation beam or column or shear wall is good in stress performance, easy to construct, and good in heat preservation effect, and construction quality is guaranteed easily.
Description
Technical field:
The present invention relates to building field, specifically refer to a kind of cast-in-situ thermal-insulated beam for building, post or shear wall and construction method.
Background technology:
Building heat preservation is mainly taken measures from building external envelope structure, reduces Indoor environment heat simultaneously and distributes to outdoor, and building heat preservation plays an important role to creating suitable indoor thermal environment and energy conservation.Shear wall structure rigidity is large, and globality and anti-seismic performance are good, in highrise building, is widely used, and because shear wall adopts cast-in-place concrete construction, generally need take corresponding Insulation to it.Meanwhile, because the reinforced concrete post in exterior wall periphery, beam heat-transfer capability are stronger, be the position that cold-heat bridge effect easily occurs in building.Therefore, take corresponding Insulation very necessary to beam, post or shear wall.Patent 201210391364.8 discloses a kind of heat-insulating beam, post, shear wall, on its thermal insulation thermal insulation board, there is hole, there is keeper thermal insulation thermal insulation board both sides, keeper is fixed thermal insulation thermal insulation board by the drawknot effect of tension member, in the hole of thermal insulation thermal insulation board, there is reinforcing rib, hole is communicated with the space of thermal insulation thermal insulation board both sides, and concrete can be full of the space in hole on thermal insulation thermal insulation board.Thereby the hole position in the warm insulating board in beam, post, shear wall easily forms cold bridge, produce dewfall phenomenon.And this building heat preservation way need to be inserted tension member on warming plate, the insertion of tension member has destroyed the integrality of thermal insulation thermal insulation board, and meanwhile, the tension member of insertion also can form new cold bridge, makes the reduction of building heat preservation effect.
Summary of the invention:
In view of this, the present invention by arranging sleeve in the hole of the thermal insulation thermal insulation board of cast-in-situ thermal-insulated beam, post, shear wall, bolt is set in sleeve, and the plug part being formed by hard rod and plug, limit floating of thermal insulation thermal insulation board, cold bridge in the hole of partition heat preservation function insulating board, and guarantee that thermal insulation thermal insulation board is connected with the reliable, high-intensity of screed.
To achieve these goals, the present invention adopts following technical scheme: a kind of cast-in-situ thermal-insulated beam, post or shear wall, comprise thermal insulation thermal insulation board, reinforcing cage, cast-in-situ concrete, screed, gauze wire cloth, on thermal insulation thermal insulation board, there is hole, in hole on described thermal insulation thermal insulation board, have sleeve, in described sleeve by the plug part being formed by hard rod and plug.
Further in technical scheme of the present invention, the outward flange of described plug is more than or equal to zero to cast-in-situ concrete is outer peripheral inside cast-in-situ thermal-insulated beam, post or shear wall apart from d.
Further, in technical scheme of the present invention, described plug is made by the little material of coefficient of thermal conductivity, and the cross section of plug form consistent with the section form of sleeve is polygon, circle or oval.
The construction method of this cast-in-situ thermal-insulated beam, post or shear wall comprises the steps: 1. assembling reinforcement cage, and thermal insulation thermal insulation board is installed, the interspersed sleeve of hole on thermal insulation thermal insulation board, interspersed bolt in sleeve again, prop up inner side template and outboard template, or only prop up inner side template, tight a bolt; 2. build inner side concrete, reach after some strength until inner side cast-in-situ concrete, remove successively bolt, template, outboard template, or remove successively bolt, inner side template; 3. in sleeve, insert plug part, then at the fixing gauze wire cloth in the outside of thermal insulation thermal insulation board, last at the outside of thermal insulation thermal insulation board applying mortar layer, finally form integral cast-in-situ thermal insulation beam, post or shear wall.
Cast-in-situ thermal-insulated beam provided by the invention, post or shear wall, be provided with sleeve in the hole on described thermal insulation thermal insulation board, is provided with the plug part being made up of hard rod and plug in sleeve.The setting of sleeve has dual effect.First, before concreting completes, erection bolt in sleeve, has facilitated the fixing of thermal insulation thermal insulation board, and while having prevented concreting, floating of thermal insulation thermal insulation board, has guaranteed quality and the efficiency of building.Secondly, after concreting completes, in sleeve, lay the plug part being formed by hard rod and plug, plug the effective cold bridge that cut off is set, make building heat preservation effect reach optimum level; The setting of hard rod has not only increased the rigidity of plug, also facilitate the installation of gauze wire cloth outside thermal insulation thermal insulation board to fix, hard rod extend in screed simultaneously, there is anchorage effect, make thermal insulation thermal insulation board and the screed in outside obtain reliable, high-intensity connection, and then in guaranteeing the heat insulation effect of cast-in-situ thermal-insulated beam, post, shear wall, also guarantee the holistic resistant behavior of cast-in-situ thermal-insulated beam, post, shear wall.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as limitation of the present invention.
Accompanying drawing explanation:
In the following drawings, 1 is inner side template, and 2 is reinforcing cage, and 3 is bolt, 3.1 is screw rod, and 3.2 is nut, and 4 is thermal insulation thermal insulation board, 5 is sleeve, and 6 is cast-in-situ concrete, and 7 is hard rod, 8 is plug, and 9 is template 1 hole above, and 10 is screed, 11 is gauze wire cloth, and 12 is the hole on thermal insulation thermal insulation board 4, and 13 is plug part, 14 is outboard template, and 15 is cushion block, and 16 for plastering.
Fig. 1 is cast-in-situ thermal-insulated beam, post, shear wall cross-sectional view while building;
Fig. 2 is bolt composition structural representation;
Fig. 3 is that bolt inserts the structural representation after sleeve;
Fig. 4 is another embodiment of tube-in-tube structure;
Fig. 5 is another embodiment of tube-in-tube structure;
Fig. 6 is the structural representation of plug part and sleeve, and wherein (a) is the structural representation of plug part, (b) for plug part is inserted into the generalized section after sleeve;
Sleeve and bolt are arranged to the structural representation in the hole of thermal insulation thermal insulation board by Fig. 7;
Fig. 8 has placed the structural representation after reinforcing cage in Fig. 6;
Fig. 9 is the structural representation that simultaneously props up inner side template and outboard template;
Figure 10 is the structural representation that only props up inner side template plate;
Figure 11 is the structural representation in concreting process;
Figure 12 is the structural representation of placing in sleeve by the plug part being made up of hard rod and plug;
Figure 13 is another embodiment of structural representation placing in sleeve by the plug part being made up of hard rod and plug;
Figure 14 is the structural representation of applying mortar layer outside thermal insulation thermal insulation board;
Figure 15 is the cross-sectional view of Figure 14;
The specific embodiment:
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described further.
The present invention is as shown in accompanying drawing 1～15.
A kind of cast-in-situ thermal-insulated beam, post or shear wall, comprise thermal insulation thermal insulation board 4, reinforcing cage 2, cast-in-situ concrete 6, screed 10, gauze wire cloth 11, on thermal insulation thermal insulation board, there is hole 12, hole 12 is even regular arrangement on thermal insulation thermal insulation board 4, in hole 12 on described thermal insulation thermal insulation board, have sleeve 5, in sleeve 5 by the plug part 13 being formed by hard rod 7 and plug 8.
As shown in Figure 1, before concrete 6 has been built, erection bolt 3 in sleeve 5, so that fixing thermal insulation thermal insulation board 4, while having prevented concreting 6, floating of thermal insulation thermal insulation board 4, has guaranteed quality and the efficiency of building.As shown in Figure 2, bolt 3 comprises screw rod 3.1 and nut 3.2, starts only in sleeve 5, to insert screw rod 3.1 most, waits to have laid inner side template 1 and outboard template 14, or has laid after inner side template 1 and cushion block 15, then fastening nut 3.2.Fig. 3 is that bolt 3 is inserted into the structural representation in sleeve 5.Sleeve 5 is hollow body, and its form of structure, as shown in Fig. 3～5, is polygon, circle or oval, and hole 12 shapes on the section form of sleeve 5 and thermal insulation thermal insulation board 4 adapt, and section form is according to concrete engineering application choice.
Fig. 7～15 are the structural representation of this cast-in-situ thermal-insulated beam, post or shear wall Specific construction step.
The first step: assembling reinforcement cage 2, thermal insulation thermal insulation board 4 is installed, hole on thermal insulation thermal insulation board 4 12 interts sleeve 5, then in sleeve 5, interts bolt 3, inner side template 1 and outboard template 14, or only prop up inner side template 1, tight a bolt 3.As shown in Fig. 7～8, for make bolt 3 can stretch out inner side template 1 and outboard template 14 outside, need to be in template opening holes 9, the size at hole 9 should be less than the size of nut 3.2.As shown in Figure 9, in the time that thermal insulation thermal insulation board 4 does not use as outboard template, need to prop up inner side template 1 and outboard template 14 simultaneously.As shown in figure 10, when thermal insulation thermal insulation board 4 doubles as while using into outboard template, only need to prop up inner side template 1, now, because the internal diameter of sleeve 5 is greater than the external diameter of nut 3.2, need to a cushion block 15 be set in the outside of thermal insulation thermal insulation board 4 again, on cushion block 15, have hole, so that screw rod 3.1 passes, bolt 3 just can well have been fixed thermal insulation thermal insulation board 4 like this, while having prevented concreting 6, floating of thermal insulation thermal insulation board 4, has guaranteed quality and the efficiency of building.
Second step: build inner side concrete 6, reach after some strength until inner side cast-in-situ concrete 6, remove successively bolt 3, inner side template 1, outboard template 14, or remove successively bolt 3, inner side template 1.Due to before concreting 6, sleeve 5 has been placed in the hole of thermal insulation thermal insulation board 4, has built after concrete 6, and sleeve 5 gets up with concrete 6 bondings, can not slide, as shown in figure 11.
The 3rd step: insert plug part 13 in sleeve 5, again at the fixing gauze wire cloth 11 in the outside of thermal insulation thermal insulation board 4, last at the outside of thermal insulation thermal insulation board 4 applying mortar layer 10, finally plaster 16 in the outside of cast-in-situ concrete 6 and screed 10 again, finally form integral cast-in-situ thermal insulation beam, post, shear wall.
As Figure 12, Figure 13, build after concrete 6, in sleeve 5, insert hard rod 7 and the plug part 13 that plug 8 forms, make one end of hard rod 7 stretch out the certain length of thermal insulation thermal insulation board 4 outer ledges.Hard rod 7 adopts hard material to be made, plug 8 adopts the material that coefficient of thermal conductivity is little to be made, the cross-sectional form of plug 8 is polygon, circle or oval, consistent with the section form of sleeve 5, its sectional dimension is less than the cross section inside dimension of sleeve 5, so that plug 8 can be put in sleeve 5 in good condition.Plug 8 the effective cold bridge that cut off is set, make building heat preservation effect reach optimum level; The setting of hard rod 7 has not only increased the rigidity of plug 8, also facilitate the installation of thermal insulation thermal insulation board 4 outside gauze wire cloths 11 to fix, hard rod 7 extend in screed 10 simultaneously, there is anchorage effect, make thermal insulation thermal insulation board 4 obtain reliable, high-intensity connection with the screed 10 in outside, and then in guaranteeing the heat insulation effect of cast-in-situ thermal-insulated beam, post, shear wall, also guarantee the holistic resistant behavior of cast-in-situ thermal-insulated beam, post, shear wall.
The outward flange of plug 8 is more than or equal to zero to cast-in-situ concrete 6 is outer peripheral inside cast-in-situ thermal-insulated beam, post or shear wall apart from d, as Fig. 6, shown in Figure 15.In Figure 12, Figure 14, the outward flange of plug 8 is greater than zero to the outer peripheral distance of cast-in-situ concrete 6 inside cast-in-situ thermal-insulated beam, post or shear wall, can first in sleeve 5, in the space of plug end, fill mortar, plaster 16 at concrete surface again, or, plaster 16 in the outside of cast-in-situ concrete 6, directly, with the space of plug end in the 16 filling sleeves 5 of plastering, obtain smooth beam face, cylinder or metope without groove.In Figure 13, the outward flange of plug 8 equals zero to the outer peripheral distance of cast-in-situ concrete 6 inside cast-in-situ thermal-insulated beam, post or shear wall.
As shown in Figure 14～15, in sleeve 5, in the space at hard rod 7 places, fill mortar, can be by fixing the plug part being formed by plug 8 and hard rod 7 13, plug 8 can be cut off better because sleeve pipe 5 is inserted into the cold bridge forming in hole 12 on thermal insulation thermal insulation board 4; Gauze wire cloth 11 is directly held on the hard rod 7 stretching out outside thermal insulation thermal insulation board 4, then fixes with tied silk colligation, and when preventing applying mortar layer 10, the dislocation of gauze wire cloth 11 and movement; At the outside of thermal insulation thermal insulation board 4 applying mortar layer 10, hard rod 7 extend in screed 10, has anchorage effect again, makes thermal insulation thermal insulation board 4 obtain reliable, high-intensity connection with the screed 10 in outside.Gauze wire cloth 11 has been strengthened the intensity of screed 10, has guaranteed the holistic resistant behavior of cast-in-situ thermal-insulated beam, post or shear wall.
Claims (4)
1. a cast-in-situ thermal-insulated beam, post or shear wall, comprise thermal insulation thermal insulation board (4), reinforcing cage (2), cast-in-situ concrete (6), screed (10), gauze wire cloth (11), on thermal insulation thermal insulation board (4), there is hole (12), it is characterized in that: in the hole (12) on described thermal insulation thermal insulation board (4), have sleeve (5), in described sleeve (5), have the plug part (13) being formed by hard rod (7) and plug (8).
2. cast-in-situ thermal-insulated beam according to claim 1, post or shear wall, is characterized in that: the outward flange of described plug (8) is more than or equal to zero to cast-in-situ concrete (6) is outer peripheral inside cast-in-situ thermal-insulated beam, post or shear wall apart from d.
3. cast-in-situ thermal-insulated beam according to claim 1, post or shear wall, it is characterized in that: described plug (8) is made by the little material of coefficient of thermal conductivity, the cross-sectional form of plug (8) is consistent with the section form of sleeve (5), is polygon, circle or oval.
4. a construction method of making cast-in-situ thermal-insulated beam claimed in claim 1, post or shear wall comprises the steps:
A, assembling reinforcement cage (2), thermal insulation thermal insulation board (4) is installed, the interspersed sleeve (5) of hole (12) on thermal insulation thermal insulation board (4), interspersed bolt (3) in sleeve (5) again, prop up inner side template (1) and outboard template (14), or only prop up inner side template (1), (3) tight a bolt;
B, build inner side concrete (6), until inner side cast-in-situ concrete (6) reach after some strength, remove successively bolt (3), inner side template (1), outboard template (14), or remove successively bolt (3), inner side template (1);
C, in sleeve (5), insert plug part (13), then in the outside of thermal insulation thermal insulation board (4) fixing gauze wire cloth (11), finally at the outside of thermal insulation thermal insulation board (4) applying mortar layer (10), finally form integral cast-in-situ thermal insulation beam, post, shear wall.
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| CN201410027326.3A CN103790247A (en) | 2013-12-30 | 2014-01-21 | Cast-in-situ heat preservation beam or column or shear wall and construction method |
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| CN104499583A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Self-insulation system of heat insulation coatings and novel half-externally-surrounded cast-in-place double-row masonry bricking type wall |
| CN104499584A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Thermal insulation coating and semi-outer-wrapped double-row building type wall self-insulation system |
| CN104499601A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Wall self heat-insulation system combined with heat insulation and preservation coatings |
| CN104499582A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Heat-insulating coating and novel internal half-surrounded masonry-type combined wall self-insulating system |
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| CN104499583A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Self-insulation system of heat insulation coatings and novel half-externally-surrounded cast-in-place double-row masonry bricking type wall |
| CN104499584A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Thermal insulation coating and semi-outer-wrapped double-row building type wall self-insulation system |
| CN104499601A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Wall self heat-insulation system combined with heat insulation and preservation coatings |
| CN104499582A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Heat-insulating coating and novel internal half-surrounded masonry-type combined wall self-insulating system |
| CN104499580A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Self heat-insulation system of sandwich wall |
| CN104499585A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Half-externally-surrounded building type cast-in-place wall self heat-insulation system combined with heat insulation and preservation coatings |
| CN104499581A (en) * | 2014-09-02 | 2015-04-08 | 绿建科技集团新型建材高技术有限公司 | Thermal insulation coating and novel semi-outer-wrapped double-row combination building type wall self-insulation system |
| CN104514296A (en) * | 2014-09-02 | 2015-04-15 | 绿建科技集团新型建材高技术有限公司 | Semi-external-encircling building type combined wall self heat insulation system built with heat-insulation building blocks |
| CN104514290A (en) * | 2014-09-02 | 2015-04-15 | 绿建科技集团新型建材高技术有限公司 | Heat insulation coating and novel half internal package double-row group building type wall body self-insulation system |
| CN104514288A (en) * | 2014-09-02 | 2015-04-15 | 绿建科技集团新型建材高技术有限公司 | Heat insulation coating and half package building cast-in-situ composite wall body self-insulation system |
| CN104514289A (en) * | 2014-09-02 | 2015-04-15 | 绿建科技集团新型建材高技术有限公司 | Heat insulation coating and novel half external package building type composite wall body self-insulation system |
| CN104514285A (en) * | 2014-09-02 | 2015-04-15 | 绿建科技集团新型建材高技术有限公司 | New type self heat preservation wall system applying thermal insulation and heat preservation paint |
| CN104514287A (en) * | 2014-09-02 | 2015-04-15 | 绿建科技集团新型建材高技术有限公司 | Cast-in-situ double-set building wall self-insulation system |
| CN107100324A (en) * | 2017-06-27 | 2017-08-29 | 厦门大学嘉庚学院 | It is a kind of to strengthen punch reinforced beam bearing capacity and the device of anti-seismic performance |
| CN108868143A (en) * | 2018-07-20 | 2018-11-23 | 四川锦城智信建设工程有限公司 | Concrete construction method for extreme cold area in low temperature season |
| CN108868143B (en) * | 2018-07-20 | 2020-11-27 | 四川锦城智信建设工程有限公司 | Concrete construction method in cold region in low-temperature season |
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Application publication date: 20140514 |