CN105040853A - Composite heat-insulation plate cast-in-place concrete sandwiched wall structure - Google Patents
Composite heat-insulation plate cast-in-place concrete sandwiched wall structure Download PDFInfo
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- CN105040853A CN105040853A CN201510380558.1A CN201510380558A CN105040853A CN 105040853 A CN105040853 A CN 105040853A CN 201510380558 A CN201510380558 A CN 201510380558A CN 105040853 A CN105040853 A CN 105040853A
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- place concrete
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Abstract
The invention relates to the technical field of building structure heat-insulation system devices. A composite heat-insulation plate cast-in-place concrete sandwiched wall structure is characterized by comprising a bearing structure layer, a non-bearing structure layer and a drawknot locating part for connecting the bearing structure layer with the non-bearing structure layer. The drawknot locating part comprises a drawknot rod and locating pieces arranged at at least one end of the drawknot rod. Synchronous construction of wall heat insulation and a building bearing structure is achieved, construction processes are reduced, the goal of the same service life of heat insulation and a building wall is achieved, the 75% and even higher requirements of the energy-saving design standard are met, and the composite heat-insulation plate cast-in-place concrete sandwiched wall structure has the advantages of being good in heat insulation effect, free of hidden fire danger, high in construction quality and safe and durable in structure.
Description
Technical field
The present invention relates to building structure heat insulation system device technique field, be specifically related to a kind of complex heat-preservation plate cast-in-place concrete sandwich wall structure.
Background technology
Along with deepening continuously of the innovation of China walling and Building Energy-saving Work, insulation is developed rapidly with the new structural systen of construction wall with the life-span.Because the shear wall structure based on cast-in-situ concrete in new building, frame shear wall structure engineering occupy larger specific gravity; Have also appeared the wall thermal insulating structure of multiple bar frame warming plate both sides cast-in-situ concrete at present, interior outside concrete wall is connected by the bar frame penetrating warming plate.Although this kind of wall thermal insulating system achieves insulation and the object of wall body structure with the life-span, but because interior outside concrete wall is mainly by bar frame midfield silk drawknot, need the abdomen silk that usage quantity is very large, but cause the thermal loss of wall thermal insulating system, reduce thermal and insulating performance, cause the waste of the energy, along with China's design standard for energy efficiency of buildings progressively approaches to fractional energy savings 75%, even bring up to higher requirement, the wall thermal insulating system of this kind of bar frame warming plate both sides cast-in-situ concrete is more and more difficult to meet the new requirement of building energy conservation.
Summary of the invention
In order to solve prior art Problems existing and deficiency; the invention provides a kind of new technical scheme; the technical program aims to provide a kind of complex heat-preservation plate cast-in-place concrete sandwich wall structure adopting special drawknot keeper; the not anxious drawknot intensity that can ensure between base course wall and cast-in-situ concrete topping, and the thermal loss that the heat bridge phenomenon that can also reduce abdomen silk produces.
The present invention is achieved by the following technical programs: a kind of complex heat-preservation plate cast-in-place concrete sandwich wall structure, its special feature is: it comprises load-carrying members layer, non bearing structure layer, and by described load-carrying members layer, the interconnective drawknot keeper of described non bearing structure layer; Described drawknot keeper comprises drawknot bar and is arranged on the spacer of described drawknot bar at least end, one end.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: the end of described drawknot bar one end is provided with spacer, and the end of the described drawknot bar other end is provided with concrete block.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described non bearing structure layer is inner side concrete; Described non bearing structure layer comprises the inner side fireprotection layer, warming plate, outside fireprotection layer and the outside concrete cover that are connected successively from inside to outside; Described drawknot keeper runs through described inner side fireprotection layer, described warming plate, described outside fireprotection layer respectively, and is connected with described inner side concrete, described outside concrete cover respectively.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described drawknot keeper is extended into the degree of depth >=100mm of described inner side concrete.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described drawknot bar is the reinforcing bar of diameter >=6mm.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: the end of described drawknot bar is any one shape in linear pattern, T-shaped, L-type, Y type, type.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: arrange at least 4 described drawknot keepers between every square metre of described load-carrying members layer and described non bearing structure layer.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described warming plate is evenly distributed with and builds balance shrinkage pool.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described in build balance shrinkage pool and the surface of described warming plate forms an inclination angle.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described in build the inclination angle that balance shrinkage pool and the surface of described warming plate are formed the number of degrees be: 45 °-90 °.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: the inner surface of described warming plate and at least one side surface of outer surface are provided with groove.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: inner surface and the outer surface of described warming plate are equipped with groove, distribution straggly between described inner side surface recess and described outer surface groove.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: be provided with steel fabric sheet in the concrete cover of described outside.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described steel fabric sheet is connected with described warming plate, described outside fireprotection layer by fixing plugging wire.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described fixing plugging wire one end is positioned at described outside concrete insulating course, and the described fixing plugging wire other end is positioned at warming plate.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described fixing plugging wire one end is positioned at described outside concrete insulating course, the described fixing plugging wire other end of part is positioned at described warming plate, and the described fixing plugging wire other end of part is positioned at described inner side concrete.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described steel fabric sheet is connected with described drawknot keeper.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: the connected mode of described fixing plugging wire and described warming plate, described outside fireprotection layer is: oblique cutting or straight cutting.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: outside described warming plate, six faces are provided with fireprotection layer.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described warming plate arranged outside limited location block.
In order to improve technical scheme of the present invention further, the special feature of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention is also: described warming plate is any one in expansion polyphenyl plate, extruded polystyrene board, phenolic foam board, hard polyurethane foam warming plate, inorganic heat-insulation board.
Can be known by technique scheme, beneficial effect of the present invention is: complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention adopts drawknot keeper, and through particular design, and the limited block of warming plate arranged outside secures warming plate and bar frame, position between warming plate and inner side concrete structure reinforcing bars jointly, avoids the movement of work progress bar frame and warming plate position; Drawknot keeper adopts special construction design, serves and connects and spacing double action.
Complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention, adopts warming plate, fireprotection layer and outside concrete cover jointly to form building non-bearing heat-preserving structure, changes traditional warming plate both sides Pouring concrete at the same time structural shape; Have reasonable in design, thermal and insulating performance is good, the resistance to advantage of waiting so long of structural safety.
In building structure field, particularly building structure heat insulation system device technique field, the safety of technology is great, primary.Complex heat-preservation plate cast-in-place concrete sandwich wall structure is sandwich structure pattern, inner side concrete is as building load-carrying members, warming plate, fireprotection layer and outside concrete cover form building non-bearing heat-preserving structure jointly, outside concrete cover is made up of cast-in-situ concrete, the main drawknot keeper that leans on is connected with inner side concrete, must consider that it is for the safety in construction work under wind load and geological process, so drawknot keeper is extended into inner side concrete structure layer depth and every square metre of load arranging that quantity should produce according to outside thickness of concrete cover is determined.Outside thickness of concrete cover is generally 50-100mm, and concrete used is by density 2500kg/m
3value, thickness presses 50mm and 100mm respectively value, on the basis of lot of experiments research and theory calculate, by horizontal wind excitation standard value calculating ω
k=β
gzμ
sω, horizontal earthquake action standard value calculate q
eK=β
εα
maxin G/A and concrete, stressed member anchorage length calculates L=α × (f
y/ f
t) × d, when drawknot bar adopts diameter to be not less than the reinforcing bar of 6mm, when outside thickness of concrete cover is less than 50mm as calculated, drawknot keeper is extended into inner side concrete structure layer depth and is not less than 100mm, arranges that quantity is no less than 4 for every square metre; When outside thickness of concrete cover is not less than 50mm; drawknot keeper is extended into inner side concrete structure layer depth and is not less than 150mm; arrange that quantity is no less than 6 for every square metre; for increasing the anchoring strength of structure; in drawknot keeper, drawknot boom end can adopt " L " type or " $ " type, with the safety of the reliability and wall thermal insulation structure that meet drawknot.
Calculated by a large amount of durability, safety; in conjunction with the groove on inner side on warming plate and/or outer surface; determine the degree of depth that drawknot keeper is extended into inner side concrete; every square metre of magnitude setting; reinforcing bar minimum diameter used, is firmly connected outside concrete cover with inner side concrete structure interlayer.
On warming plate, regular arrangement builds balance shrinkage pool, effectively prevent the warming plate skew that in work progress, both sides Pouring concrete at the same time causes.
Outside warming plate, six bread cover fireprotection layer, improve heat insulating material fireproof performance, avoid transport, stack, construct, use the fire safety evaluating hidden danger of each link process.
The traditional bar frame warming plate in-situ concrete wall structural shape of complex heat-preservation plate cast-in-place concrete sandwich wall of the present invention structural change, fixing plugging wire mainly play connect outside concrete insulating course and warming plate, steel fabric sheet effect, be placed in and not extendedly in warming plate namely do not penetrate warming plate, quantity can greatly reduce, save rolled steel dosage, avoid " heat bridge " to produce, improve heat insulating effect; Avoid wall thermal insulation structure thermal loss because steel wire causes and because of steel wire corrosion bring inside and outside cast-in-situ wall connection safety problem.。
Complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention, achieve wall thermal insulating and building load-carrying members synchronous construction, decrease working procedure, reach insulation and the object of construction wall with the life-span, meet energy saving igniter 75% even requirements at the higher level, there is high insulating effect, structural safety resistance to wait so long advantage high without disaster hidden-trouble, construction quality.
As can be seen here, the present invention in terms of existing technologies, has outstanding substantive distinguishing features and significant progress, also has obvious beneficial effect simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention.
Fig. 2 is the structural representation of the composite insulation boards shown in Fig. 1.
Fig. 3 is the another kind of structural representation of the drawknot keeper shown in Fig. 2.
Fig. 4 is the another kind of structural representation of Fig. 1.
Fig. 5 is the structural representation of the composite insulation boards shown in Fig. 4.
Fig. 6 is the another kind of structural representation of Fig. 1.
Fig. 7 is the structural representation of the composite insulation boards shown in Fig. 6.
Fig. 8 is the structural representation of drawknot keeper.
Fig. 9 is the another kind of structural representation of Fig. 8.
Figure 10 is the another kind of structural representation of Fig. 8.
Figure 11 is the another kind of structural representation of Fig. 8.
Wherein, 1 is warming plate; 2 is fireprotection layer; 3 is inner side concrete; 4 is outside concrete cover; 5 is drawknot keeper; 6 is reinforced mesh; 7 is fixing plugging wire; 8 is groove; 9 is limited block; 10 for building balance shrinkage pool; 11 is inner side concrete structure reinforcing bars; 12 is drawknot bar; 13 is spacer; 14 is concrete block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Can be found out by accompanying drawing 1,4,6 and Fig. 8-11: complex heat-preservation plate cast-in-place concrete sandwich wall structure of the present invention, comprise load-carrying members layer, non bearing structure layer, and by described load-carrying members layer, the interconnective drawknot keeper of described non bearing structure layer; Described drawknot keeper comprises drawknot bar and is arranged on the spacer of described drawknot bar at least end, one end; The end of described drawknot bar one end is provided with spacer, and the end of the described drawknot bar other end is provided with concrete block; Described non bearing structure layer is inner side concrete; Described non bearing structure layer comprises the inner side fireprotection layer, warming plate, outside fireprotection layer and the outside concrete cover that are connected successively from inside to outside; Described drawknot keeper runs through described inner side fireprotection layer, described warming plate, described outside fireprotection layer respectively, and is connected with described inner side concrete, described outside concrete cover respectively.
embodiment 1:
As shown in Figure 1-Figure 3, a kind of complex heat-preservation plate cast-in-place concrete sandwich wall structure, is made up of warming plate 1, fireprotection layer 2, inner side concrete 3, outside concrete cover 4 and drawknot keeper 5.Inner side concrete 3 is as building load-carrying members; warming plate 1, fireprotection layer 2 form building non-bearing heat-preserving structure jointly with outside concrete cover 4, and outside concrete cover 4 is reliably connected with inner side concrete 3 by drawknot keeper 5.
For increasing warming plate 1, outside concrete cover 4 and inner side concrete 3 drawknot, after warming plate 1 row has established, drawknot keeper 5 is installed in work progress, by drawknot keeper 5 by its drawknot together, drawknot keeper 5 is by drawknot bar 12, spacer 13 and concrete block 14 form, adopt reinforcing bar complex coagulation soil block, reduce the thermal loss brought to wall thermal insulation structure, and secure warming plate 1 and reinforced mesh 6 by the concrete block of self, position between warming plate 1 and inner side concrete structure reinforcing bars 11, avoid the movement of work progress reinforced mesh 6 and warming plate 1 position.
On warming plate 1, regular arrangement builds balance shrinkage pool 10, build balance shrinkage pool 10 and warming plate 1 the inclination angle of-90 ° at 45 ° arrange, in work progress during warming plate 1 both sides Pouring concrete at the same time, reducing concreting difference in height by building balance shrinkage pool 10, effectively avoiding the warming plate 1 caused because of lateral pressure to offset.Be provided with steel fabric sheet 6 in the concrete cover 4 of outside, between steel fabric sheet 6 with warming plate 1, be connected 5 by drawknot keeper.
embodiment 2:
As shown in figs. 4-7; a kind of complex heat-preservation plate cast-in-place concrete sandwich wall structure; be made up of warming plate 1, fireprotection layer 2, inner side concrete 3, outside concrete cover 4 and drawknot keeper 5; inner side concrete 3 is as building load-carrying members; warming plate 1, fireprotection layer 2 form building non-bearing heat-preserving structure jointly with outside concrete cover 4, and outside concrete cover 4 is reliably connected with inner side concrete 3 by drawknot keeper 5.
For increasing warming plate 1, outside concrete cover 4 and inner side concrete 3 drawknot; by drawknot keeper 5 by its drawknot together; drawknot keeper 5 bar diameter used is not less than 6mm; according to depth of building and outside concrete cover 4 thickness; drawknot keeper 5 is extended into inner side concrete 3 degree of depth and is not less than 100mm; arrange that quantity is no less than 4, and groove 8 is set inside warming plate and/or on outer surface with thickening bond area for every square metre.Drawknot keeper 5 is made up of drawknot bar 12 and spacer 13, and the limited block 9 of warming plate 1 arranged outside secures warming plate 1 and reinforced mesh 6, position between warming plate 1 and inner side concrete structure reinforcing bars 11 jointly, avoids the movement of work progress reinforced mesh 6 and warming plate 1 position.
Steel fabric sheet 6 is provided with in the concrete cover 4 of outside; fixing plugging wire 7 one end is placed in outside concrete insulating course 4 and is connected with steel fabric sheet 6; one end is placed in warming plate 1 not extended; fixing plugging wire 7 adopts oblique cutting or straight cutting mode with warming plate 1; magnitude setting is few; reduce the thermal loss brought, improve the heat-insulating property of the non-bearing heat-preserving structure be made up of warming plate 1, fireprotection layer 2 and outside concrete cover 4.
Outside warming plate 1, six bread cover fireprotection layer 2, improve heat insulating material fireproof performance, the fire safety evaluating hidden danger of wall body structure in the processes such as use avoiding transport, stacking, construction and formed.
Wherein, shown in Fig. 4, Fig. 5, fixing plugging wire 7 is oblique inserting, and shown in Fig. 6, Fig. 7, fixing plugging wire 7 is direct insertion.
Wherein, shown in Fig. 4-1, Fig. 5-1, fixing plugging wire 7 one end is positioned at described outside concrete insulating course, and the described fixing plugging wire other end is positioned at described warming plate; Shown in Fig. 4-2, Fig. 5-2, fixing plugging wire 7 one end is positioned at described outside concrete insulating course, and the described fixing plugging wire other end of part is positioned at described warming plate, and the described fixing plugging wire other end of part is positioned at described inner side concrete.
The part that the present invention is not illustrated, is the known technology of this area, does not repeat at this.
Therefore, protection scope of the present invention is not limited only to the content that this manual is stated, and relative to those skilled in the art, does not need, through any distortion done by performing creative labour, all to belong to protection scope of the present invention.
Claims (21)
1. a complex heat-preservation plate cast-in-place concrete sandwich wall structure, is characterized in that: it comprises load-carrying members layer, non bearing structure layer, and by described load-carrying members layer, the interconnective drawknot keeper of described non bearing structure layer; Described drawknot keeper comprises drawknot bar and is arranged on the spacer of described drawknot bar at least end, one end.
2. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 1, it is characterized in that: the end of described drawknot bar one end is provided with spacer, the end of the described drawknot bar other end is provided with concrete block.
3. the complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claims 1 or 2, is characterized in that: described non bearing structure layer is inner side concrete; Described non bearing structure layer comprises the inner side fireprotection layer, warming plate, outside fireprotection layer and the outside concrete cover that are connected successively from inside to outside; Described drawknot keeper runs through described inner side fireprotection layer, described warming plate, described outside fireprotection layer respectively, and is connected with described inner side concrete, described outside concrete cover respectively.
4. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 3, is characterized in that: described drawknot keeper is extended into the degree of depth >=100mm of described inner side concrete.
5. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 4, is characterized in that: described drawknot bar is the reinforcing bar of diameter >=6mm.
6. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 4, is characterized in that: the end of described drawknot bar is any one shape in linear pattern, T-shaped, L-type, Y type, type.
7. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 5, is characterized in that: arrange at least 4 described drawknot keepers between every square metre of described load-carrying members layer and described non bearing structure layer.
8. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 3, is characterized in that: described warming plate is evenly distributed with and builds balance shrinkage pool.
9. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 8, is characterized in that: described in build balance shrinkage pool and the surface of described warming plate forms an inclination angle.
10. complex heat-preservation plate cast-in-place concrete sandwich wall structure according to claim 9, is characterized in that: described in build the inclination angle that balance shrinkage pool and the surface of described warming plate are formed the number of degrees be: 45 °-90 °.
11. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 3, is characterized in that: the inner surface of described warming plate and at least one side surface of outer surface are provided with groove.
12. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 11, is characterized in that: inner surface and the outer surface of described warming plate are equipped with groove, distribution straggly between described inner side surface recess and described outer surface groove.
13. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 3, is characterized in that: be provided with steel fabric sheet in the concrete cover of described outside.
14. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 13, is characterized in that: described steel fabric sheet is connected with described warming plate, described outside fireprotection layer by fixing plugging wire.
15. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 14, it is characterized in that: described fixing plugging wire one end is positioned at described outside concrete insulating course, the described fixing plugging wire other end is positioned at described warming plate.
16. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 14, it is characterized in that: described fixing plugging wire one end is positioned at described outside concrete insulating course, the described fixing plugging wire other end of part is positioned at described warming plate, and the described fixing plugging wire other end of part is positioned at described inner side concrete.
17. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 15, is characterized in that: described steel fabric sheet is connected with described drawknot keeper.
18. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 15, is characterized in that: the connected mode of described fixing plugging wire and described warming plate, described outside fireprotection layer is: oblique cutting or straight cutting.
19. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 3, is characterized in that: outside described warming plate, six faces are provided with fireprotection layer.
20. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 3, is characterized in that: described warming plate arranged outside limited location block.
21. complex heat-preservation plate cast-in-place concrete sandwich wall structures according to claim 3, is characterized in that: described warming plate is any one in expansion polyphenyl plate, extruded polystyrene board, phenolic foam board, hard polyurethane foam warming plate, inorganic heat-insulation board.
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| CN105804290A (en) * | 2016-03-09 | 2016-07-27 | 河北安能绿色建筑科技有限公司 | Building heat-insulation and formwork integrated wall structure and construction method thereof |
| CN108547393A (en) * | 2018-04-26 | 2018-09-18 | 尤书建 | A kind of cast-in-place composite concrete filling wall of the pull-type drawknot of point |
| CN108560861A (en) * | 2018-06-01 | 2018-09-21 | 浙江大华建设集团有限公司 | A kind of connection structure and its construction method of cast-in-place concrete and decoration of exterior wall wall |
| CN108560778A (en) * | 2018-05-11 | 2018-09-21 | 陈振伟 | A kind of punching block net cast-in-place concrete sandwiched thermal-insulating wall structure and its building method |
| CN112160468A (en) * | 2020-09-23 | 2021-01-01 | 中国五冶集团有限公司 | Built-in heat-insulation cast-in-place concrete composite shear wall structure and construction method |
| CN113789887A (en) * | 2021-09-15 | 2021-12-14 | 山东创伟外墙保温材料集团有限公司 | Wall structure of infilled wall and manufacturing method thereof |
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