CN109914606B - Point claw type connecting piece for composite heat-insulating wall and construction and installation method thereof - Google Patents
Point claw type connecting piece for composite heat-insulating wall and construction and installation method thereof Download PDFInfo
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- CN109914606B CN109914606B CN201910350889.9A CN201910350889A CN109914606B CN 109914606 B CN109914606 B CN 109914606B CN 201910350889 A CN201910350889 A CN 201910350889A CN 109914606 B CN109914606 B CN 109914606B
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- connecting piece
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- reinforcing steel
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- 210000000078 claw Anatomy 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 title claims abstract description 11
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 238000004321 preservation Methods 0.000 claims description 16
- 241000784880 Titanopsis calcarea Species 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000011178 precast concrete Substances 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 32
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Building Environments (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a point claw type connecting piece for a composite heat-insulating wall body and a construction and installation method thereof, wherein the point claw type connecting piece comprises a claw disc, a central rod, bolts and chucks, the lower end of the central rod is detachably connected with the claw disc, connecting arms are distributed and extended around the claw disc, end discs are arranged at the end parts of the connecting arms, bolts penetrate through the end discs, and at least two chucks are sleeved on threaded rods of the bolts in a threaded mode. The invention can be effectively fixed with the steel bars, is applicable to various reinforcement distribution conditions, has high shear strength, small heat transfer coefficient, corrosion resistance, convenient construction and good fixing effect. The problems that in the past, the number of used connectors is large, the performance of a single connector is poor, a cold-hot bridge is serious, the installation is complex, the fixation is not firm, and the connectors are easy to incline and deviate in the concrete vibrating and pouring process are solved, and the connection performance between the inner and outer leaf concrete plates of the precast concrete composite heat-insulating wall body is enhanced.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a point claw type connecting piece for a composite heat-insulating wall body and a construction and installation method thereof, which are mainly used for connecting an inner wall body and an outer wall body of a precast concrete composite heat-insulating wall body.
Background
Energy conservation is a basic national policy of China. Along with rapid development and popularization of the fabricated building, improvement of energy conservation of the building is more and more important, and heat preservation of the wall body is the most important ring in energy conservation of the fabricated building. The prefabricated concrete composite heat-insulating wall body is a novel prefabricated heat-insulating wall body integrating bearing and heat insulation, and is composed of an inner leaf concrete wallboard, an outer leaf concrete wallboard, a middle heat-insulating layer, a connecting piece and the like, and is an important component of an assembled building.
The prefabricated concrete sandwich heat insulating wall is one integrated bearing and heat insulating prefabricated wall comprising inner and outer concrete wall boards, middle heat insulating layer, connecting parts, etc. The connecting piece is a key component for connecting the inner and outer leaf concrete wallboards of the precast concrete sandwich heat-insulating wall body with the middle heat-insulating layer, and has the main function of resisting interlayer shearing action between the two concrete wallboards. The existing connecting piece products are mainly divided into two types of metal connecting pieces and nonmetal connecting pieces, wherein the two types of connecting pieces have the characteristics of larger heat conduction coefficient, larger density of the connecting pieces, more structural heat bridges and high cost; the non-metal connecting piece has small heat loss, but the connection performance is less verified in domestic application, and the shear strength is low.
The most practical FRP connecting piece in the market at present, this connecting piece has advantages such as tensile strength is high, corrosion resistance is strong, heat transfer coefficient is little, but the anchorage force of traditional connecting piece mainly comes from the mechanical interlock effect between connecting piece notch and the concrete, and its single connecting piece shear strength is lower relatively, and the anchor is infirm, and use quantity is great, can't be fixed during installation construction, and the degree of depth of insertion is difficult to control, appears or shallow or dark condition, can't adapt to different cloth muscle circumstances. In the concrete pouring and vibrating process, the connecting piece is easy to deviate and incline, so that the stress condition of the connecting piece can not reach the expected shear strength, the strength of the wall structure is directly influenced, and certain safety use risks are caused. Therefore, development of a connecting piece product with high cost performance, practicability, safety, anchoring stability and meeting the requirements of continuously improved wall safety and thermal performance is urgently needed.
Disclosure of Invention
The invention aims to provide a point claw type connecting piece for a composite heat-insulating wall body and a construction and installation method thereof, which can be effectively fixed with reinforcing steel bars, can be suitable for various reinforcement distribution conditions, and has the advantages of high shear strength, small heat transfer coefficient, corrosion resistance, convenience in construction and good fixing effect. The problems that in the past, the number of used connectors is large, the performance of a single connector is poor, a cold-hot bridge is serious, the installation is complex, the fixation is not firm, and the connectors are easy to incline and deviate in the concrete vibrating pouring process are solved, and the shear strength between the inner and outer leaf concrete wallboards of the composite heat-insulating wall is enhanced, so that the problems in the prior art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a point claw formula connecting piece for compound heat preservation wall body, includes claw dish, center stick, bolt and chuck, the lower extreme and the claw dish of center stick can dismantle the connection, and the distribution all around of claw dish is extended has the linking arm, and the tip of linking arm is provided with the end dish, wears to be equipped with the bolt on the end dish, threaded sleeve is equipped with two at least chucks on the threaded rod of bolt.
As a further scheme of the invention: the lower end of the center rod is connected with a threaded hole formed in the claw disc in a matched mode through threads.
As a further scheme of the invention: the center rod is a steel rod, and the claw disc, the connecting arm and the end disc are integrally formed by carbon steel.
As a further scheme of the invention: the upper end of the central rod is coated with a fiber resin outer wrapping layer, and the horizontal section of the upper end of the fiber resin outer wrapping layer is larger than that of the lower end of the fiber resin outer wrapping layer.
As a further scheme of the invention: the outer surface of the upper end of the center rod is a rough surface, and the outer surface of the lower end of the center rod is provided with threads.
As a further scheme of the invention: the bolt is connected with a disk hole formed in the end disk in a matched mode through threads, and the end cap of the bolt is located above the bolt.
The construction and installation method of the point claw type connecting piece for the composite heat-insulating wall body specifically comprises the following steps:
S1, firstly, threading bolts in end discs, and then sleeving at least two chucks on the bolts;
S2, during wall construction, firstly paving steel bars longitudinally and transversely arranged in a concrete outer blade plate in a template, respectively aligning each end disc with the corresponding steel bars, rotating and screwing up chucks on bolts, and clamping the corresponding steel bars through two chucks distributed up and down;
S3, pouring outer leaf concrete to form an outer leaf concrete layer of a lower layer, wherein the height of the upper end face of the outer leaf concrete layer of the lower layer is equal to that of the upper end face of the claw disc, then, aligning reserved holes on the heat preservation layer with the claw disc, laying the heat preservation layer with reserved holes, and enabling the lower end of the central rod to penetrate through the holes of the heat preservation layer and rotate with the claw disc to be screwed and fixed;
S4, paving steel bars longitudinally and transversely arranged in the inner concrete leaf plates on the upper end face of the heat preservation layer, pouring the inner leaf plate concrete to the specified thickness of the inner concrete leaf plates, forming an upper inner leaf concrete layer, and removing the mould for maintenance after solidification.
As a further scheme of the invention: when the point claw type connecting piece is manufactured, fiber resin is wrapped on the central rod through an integrated pultrusion process, and then the fiber resin outer wrapping layer is formed through cutting.
Compared with the prior art, the invention has the beneficial effects that:
(1) The installation process of the point claw type connecting piece is firm and reliable, and has strong anchoring performance;
(2) The rotatable claw disk ensures that the claw-type connecting piece is effectively fixed with reinforcing steel bars with different intervals, adapts to various reinforcement distribution conditions, is directly fixed with the reinforcing steel bars, and prevents the connecting piece from shaking and tilting in the concrete vibrating and pouring process.
(3) The heat-insulating connecting piece with the shearing effect far greater than that of a single FRP can be adopted by the central rod with the large diameter, so that the use quantity of the connecting piece is greatly reduced.
(4) Under the condition that the stability of the wallboard is not affected, the number of connecting pieces can be greatly reduced, and the cold and hot bridges are reduced.
Drawings
FIG. 1 is a schematic perspective view of a point claw type connector of the present invention;
FIG. 2 is a schematic cross-sectional view of the claw-type connector of the present invention buried in a wall;
fig. 3 is a schematic view of the connection of the point claw type connecting piece and the reinforcing mesh with larger spacing;
fig. 4 is a schematic view of the connection of the point claw type connecting piece and the reinforcing mesh with smaller spacing.
In the figure: the steel wire reinforced plastic composite material comprises a 1-claw disc, a 11-connecting arm, a 2-center rod, a 3-fiber resin outer cladding, a 4-end disc, a 5-bolt, a 6-chuck, a 7-heat insulation layer, an 8-outer leaf concrete layer, 9-steel bars and a 10-inner leaf concrete layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a point claw formula connecting piece for compound heat preservation wall body, includes claw dish 1, center stick 2, bolt 5 and chuck 6, the lower extreme and the claw dish 6 of center stick 2 can dismantle the connection, and the distribution all around of claw dish 6 is extended has linking arm 11, and linking arm 11's tip is provided with end dish 4, wears to be equipped with bolt 5 on the end dish 4, at least two chucks 6 are equipped with to the threaded rod upper thread cover of bolt 5. The claw disc 1 can effectively fix a reinforcing mesh or embedded bars in the outer leaf concrete by rotating the adjusting position, so that the point claw type connecting piece is effectively fixed on the reinforcing bars, and the connecting piece is prevented from shaking and tilting in construction.
The lower end of the center rod 2 is connected with a threaded hole formed in the claw disc 1 in a matched manner through threads; the center rod 2 is a steel rod, and the claw disc 1, the connecting arm 11 and the end disc 4 are integrally formed by carbon steel.
The outer surface of the upper end of the center rod 2 is coated with a fiber resin outer wrapping layer 3, the fiber resin can effectively isolate cold and hot bridge effects, the horizontal cross section of the upper end of the fiber resin outer wrapping layer 3 is larger than that of the lower end of the fiber resin outer wrapping layer 3, and heat conduction between the inner leaf concrete wallboard and the outer leaf concrete wallboard is isolated.
The outer surface of the upper end of the center rod 2 is a rough surface, so that the binding force with the fiber resin outer cladding 3 is increased, and the connecting piece and the steel rod are prevented from sliding relatively when being stressed.
The bolt 5 is connected with a disk hole formed in the end disk 4 in a matching way through threads, and an end cap of the bolt 5 is positioned above.
The construction and installation method of the point claw type connecting piece for the composite heat-insulating wall body specifically comprises the following steps:
s1, firstly, threading bolts 5 in end plates 4, and then sleeving at least two chucks 6 on the bolts 5;
S2, during wall construction, firstly, paving steel bars 9 longitudinally and transversely arranged in a concrete outer blade plate in a template, respectively aligning each end disc 4 with the corresponding steel bars 9, rotating and tightening the chucks 6 on the bolts 5, and clamping the corresponding steel bars 9 through the two chucks 6 distributed up and down;
S3, pouring outer leaf concrete to form an outer leaf concrete layer 8 of a lower layer, wherein the height of the upper end face of the outer leaf concrete layer 8 of the lower layer is flush with that of the upper end face of the claw disc 1, aligning reserved holes on the heat preservation layer 7 with the claw disc 1, laying the heat preservation layer 7 with the reserved holes, and enabling the lower end of the central rod 2 to penetrate through the holes of the heat preservation layer 7 and be rotationally screwed and fixed with the claw disc 1;
S4, paving steel bars 9 which are longitudinally and transversely arranged in the inner concrete leaf plates on the upper end face of the heat preservation layer 7, pouring the inner leaf plate concrete to the specified thickness of the inner concrete leaf plates to form an upper inner leaf plate concrete layer 10, and removing the mould for maintenance after solidification.
When the claw-type connecting piece is manufactured, fiber resin is wrapped on the central rod 2 through an integrated pultrusion process, and then the fiber resin outer wrapping layer 3 is formed through cutting.
The point claw type connecting piece can be divided into two cases when being anchored with the outer leaf reinforcing steel mesh. First, as shown in fig. 4, when the end disc 4 of the connecting piece can be directly connected to the four steel bars 9 in the transverse and longitudinal directions, the steel bars 9 can be squeezed in the middle by using the chuck 6, and the rotating chuck 6 is fastened; second, as shown in fig. 3, when the end disc 4 of the non-equidistant reinforcing mesh or the point claw type connecting piece cannot be directly connected with the transverse reinforcing steel bars 9 and the longitudinal reinforcing steel bars 9, the two claw discs 1 and the reinforcing steel bars 9 can be fixed by rotating the claw discs 1, the reinforcing steel bars 9 are respectively extruded in the chuck 6, and the clamping chuck 6 is fastened by screwing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (2)
1. A some claw type connecting piece for compound heat preservation wall body, its characterized in that:
the clamping device comprises a claw disc (1), a center rod (2), bolts (5) and chucks (6), wherein the lower end of the center rod (2) is detachably connected with the claw disc (1), connecting arms (11) are distributed and extended around the claw disc (1), end discs (4) are arranged at the ends of the connecting arms (11), the bolts (5) penetrate through the end discs (4), and at least two chucks (6) are sleeved on threaded rods of the bolts (5) in a threaded mode;
When the point claw type connecting piece is anchored with the outer leaf reinforcing steel bar net piece, when the end disc of the connecting piece can be directly connected with four transverse and longitudinal reinforcing steel bars, the reinforcing steel bars can be squeezed in the middle by using the chuck, the rotating chuck is fastened, and when the non-equidistant reinforcing steel bar net piece or the end disc of the point claw type connecting piece cannot be directly connected with four transverse and longitudinal reinforcing steel bars, the two chucks can be fixed with the reinforcing steel bars by using the rotating chuck, and the reinforcing steel bars are respectively extruded in the chucks and fastened by screwing the chucks;
the lower end of the center rod (2) is connected with a threaded hole formed in the claw disc (1) in a matched manner through threads; the center rod (2) is a steel rod, and the claw disc (1), the connecting arm (11) and the end disc (4) are integrally formed by carbon steel;
the upper end of the central rod (2) is coated with a fiber resin outer wrapping layer (3), and the horizontal section of the upper end of the fiber resin outer wrapping layer (3) is larger than that of the lower end of the fiber resin outer wrapping layer (3);
the outer surface of the upper end of the center rod (2) is a rough surface, and the outer surface of the lower end is provided with threads;
the bolt (5) is connected with a disk hole formed in the end disk (4) in a matching way through threads, and an end cap of the bolt (5) is positioned above.
2. A construction and installation method of a point claw type connecting piece for a composite heat-insulating wall body is characterized by comprising the following steps of: the method specifically comprises the following steps:
S1, firstly, penetrating bolts (5) into end discs (4), and then sleeving at least two chucks (6) on the bolts (5);
S2, during wall construction, firstly, steel bars (9) which are longitudinally and transversely arranged in a concrete outer blade plate are paved in a template, each end disc (4) is aligned with the corresponding steel bar (9), the chucks (6) on the bolts (5) are rotated and screwed, and the corresponding steel bar (9) is clamped by the two chucks (6) which are vertically distributed;
When the point claw type connecting piece is anchored with the outer leaf reinforcing steel bar net piece, when the end disc of the connecting piece can be directly connected with four transverse and longitudinal reinforcing steel bars, the reinforcing steel bars can be squeezed in the middle by using the chuck, the rotating chuck is fastened, and when the non-equidistant reinforcing steel bar net piece or the end disc of the point claw type connecting piece cannot be directly connected with four transverse and longitudinal reinforcing steel bars, the two chucks can be fixed with the reinforcing steel bars by using the rotating chuck, and the reinforcing steel bars are respectively extruded in the chucks and fastened by screwing the chucks;
S3, pouring outer leaf concrete to form an outer leaf concrete layer (8) of a lower layer, enabling the height of the upper end face of the outer leaf concrete layer (8) of the lower layer to be flush with the height of the upper end face of the claw disc (1), aligning reserved holes on the heat preservation layer (7) with the claw disc (1), laying the heat preservation layer (7) reserved with the holes, enabling the lower end of the central rod (2) to penetrate through the holes of the heat preservation layer (7) and be rotationally screwed and fixed with the claw disc (1);
S4, paving steel bars (9) longitudinally and transversely arranged in the inner concrete leaf plates on the upper end face of the heat preservation layer (7), pouring inner leaf plate concrete to the specified thickness of the inner concrete leaf plates to form an upper inner leaf concrete layer (10), and removing a mould for curing after solidification;
When the point claw type connecting piece is manufactured, fiber resin is wrapped on the central rod (2) through an integrated pultrusion process, and then the fiber resin outer wrapping layer (3) is formed through cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350889.9A CN109914606B (en) | 2019-04-28 | 2019-04-28 | Point claw type connecting piece for composite heat-insulating wall and construction and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350889.9A CN109914606B (en) | 2019-04-28 | 2019-04-28 | Point claw type connecting piece for composite heat-insulating wall and construction and installation method thereof |
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| Publication Number | Publication Date |
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| CN109914606A CN109914606A (en) | 2019-06-21 |
| CN109914606B true CN109914606B (en) | 2024-09-27 |
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| CN201910350889.9A Active CN109914606B (en) | 2019-04-28 | 2019-04-28 | Point claw type connecting piece for composite heat-insulating wall and construction and installation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111042433B (en) * | 2019-12-31 | 2022-08-23 | 合肥工业大学 | Prefabricated sandwich heat-insulation wall connecting piece and connecting method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205712561U (en) * | 2016-03-15 | 2016-11-23 | 中民筑友有限公司 | A kind of prefabricated panel |
| CN108756027A (en) * | 2018-06-28 | 2018-11-06 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation overlapped shear wall and its construction technology |
| CN210067051U (en) * | 2019-04-28 | 2020-02-14 | 安徽建筑大学 | Point claw type connecting piece for composite heat insulation wall |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839772A (en) * | 2012-09-28 | 2012-12-26 | 河南锦源建设有限公司 | Concrete thermal insulation curtain wall system |
| CN106437149B (en) * | 2015-08-10 | 2019-01-08 | 广西建工集团第四建筑工程有限责任公司 | A kind of easy claw wall-connecting piece |
| CN205153146U (en) * | 2015-11-30 | 2016-04-13 | 上海君道住宅工业有限公司 | Device for connecting with filling heat preservation and anti - stone material of beating |
| CN106193351B (en) * | 2016-09-29 | 2019-05-21 | 张晶廷 | The construction method of insulation board assembly, sandwich wall and sandwich wall made of it |
| CN106351345A (en) * | 2016-10-25 | 2017-01-25 | 西安科技大学 | Fabricated energy-saving wall body structure |
| GB201711987D0 (en) * | 2017-07-25 | 2017-09-06 | Waterford Inst Of Tech | A fixing |
| CN107663909B (en) * | 2017-11-02 | 2023-08-18 | 安徽建筑大学 | Connection structure and connection method between prefabricated concrete partition wall and main structure |
| CN109356320B (en) * | 2018-11-27 | 2021-06-08 | 东南大学 | Composite connecting piece for prefabricated sandwich heat-insulation wall board and preparation method |
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2019
- 2019-04-28 CN CN201910350889.9A patent/CN109914606B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205712561U (en) * | 2016-03-15 | 2016-11-23 | 中民筑友有限公司 | A kind of prefabricated panel |
| CN108756027A (en) * | 2018-06-28 | 2018-11-06 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation overlapped shear wall and its construction technology |
| CN210067051U (en) * | 2019-04-28 | 2020-02-14 | 安徽建筑大学 | Point claw type connecting piece for composite heat insulation wall |
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