CN113958083A - Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel - Google Patents

Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel Download PDF

Info

Publication number
CN113958083A
CN113958083A CN202111252120.7A CN202111252120A CN113958083A CN 113958083 A CN113958083 A CN 113958083A CN 202111252120 A CN202111252120 A CN 202111252120A CN 113958083 A CN113958083 A CN 113958083A
Authority
CN
China
Prior art keywords
prefabricated
panel
external wall
concrete external
wall panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111252120.7A
Other languages
Chinese (zh)
Other versions
CN113958083B (en
Inventor
石雨恒
曾维强
潘峰
杜志祥
赵瑞虎
王晓旻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Construction No 5 Group Co Ltd
Original Assignee
Shanghai Construction No 5 Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Construction No 5 Group Co Ltd filed Critical Shanghai Construction No 5 Group Co Ltd
Priority to CN202111252120.7A priority Critical patent/CN113958083B/en
Publication of CN113958083A publication Critical patent/CN113958083A/en
Application granted granted Critical
Publication of CN113958083B publication Critical patent/CN113958083B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801Separate fastening elements
    • E04F13/0803Separate fastening elements with load-supporting elongated furring elements between wall and covering elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

The invention provides a connecting structure and a connecting method of a prefabricated veneer and a prefabricated concrete external wall panel, belongs to the technical field of prefabricated veneer construction, and aims to solve the problems that the construction process of the external wall decoration of an old building is more, the efficiency is low, all dry and wet operations need to be finished on the wall operation surface directly, the environment pollution of a construction site is caused, and the construction efficiency is low. The prefabricated decorative panel comprises a prefabricated decorative panel, a prefabricated concrete external wall panel and clamping pieces, wherein a plurality of grooves are formed in the thickness direction of each of two butt-jointed panel surfaces of the prefabricated decorative panel and the prefabricated concrete external wall panel, and the grooves are arranged at intervals along the length direction of the panel surfaces; the prefabricated decorative panel and the prefabricated concrete external wall panel are in butt joint and clamping back groove one-to-one correspondence along the length direction of the panel, a fastener is embedded into each pair of grooves, one end of the fastener is embedded and fixed in the groove of the prefabricated decorative panel, the other end of the fastener is embedded and fixed in the groove of the prefabricated concrete external wall panel, and a bonding material is filled in a gap between the prefabricated decorative panel and the prefabricated concrete external wall panel.

Description

Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel
Technical Field
The invention relates to the technical field of construction of prefabricated decorative panels, in particular to a connecting structure and a connecting method of a prefabricated decorative panel and a prefabricated concrete external wall panel.
Background
The traditional construction process of the exterior wall veneer of the building, such as a water brushing stone veneer, a cobblestone veneer, a chopped stone veneer, a color stone chip mortar veneer and the like, has good decoration effect and lower construction cost, is widely applied to the decoration of the exterior wall of the old building, and can see the figure of the old building in a plurality of famous historical protective buildings in recent times.
However, since the construction process is numerous and inefficient, and all dry and wet works need to be directly performed on the wall work surface, environmental pollution is easily caused at the construction site, and the construction efficiency is low.
Therefore, it is urgently needed to provide a novel connection structure of a prefabricated decorative panel and a prefabricated concrete external wall panel, so that the prefabricated assembly of the traditional construction external wall decorative surface construction process is realized, the wet workload of a construction site is effectively reduced, and the construction efficiency is improved.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information is prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention mainly aims to provide a connecting structure and a connecting method of a prefabricated decorative panel and a prefabricated concrete external wall panel, which realize the prefabrication and assembly of the traditional construction external wall decorative surface construction process, effectively reduce the wet operation amount of a construction site and are beneficial to environmental protection.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a connecting structure of a prefabricated veneer and a prefabricated concrete external wall panel comprises the prefabricated veneer, the prefabricated concrete external wall panel and clamping pieces, wherein a plurality of grooves are formed in the thickness direction of two butt joint plate surfaces of the prefabricated veneer and the prefabricated concrete external wall panel, and the grooves are arranged at intervals along the length direction of the plate surfaces; the prefabricated decorative panel and the prefabricated concrete external wall panel are in one-to-one correspondence along the length direction of the panel after being clamped in a butt joint mode, a clamping piece is embedded into each pair of grooves, one end of each clamping piece is embedded and fixed in the groove of the prefabricated decorative panel, the other end of each clamping piece is embedded and fixed in the groove of the prefabricated concrete external wall panel, and a bonding material is filled in a gap between the prefabricated decorative panel and the prefabricated concrete external wall panel.
Furthermore, the cross sections of the groove of the prefabricated veneer and the groove of the prefabricated concrete external wall panel are isosceles trapezoids with wide inner parts and narrow outer parts.
Furthermore, the clamping piece is composed of four wing plates, and after the clamping piece is embedded into the groove, each wing plate is attached to the inclined plane of the corresponding groove.
Furthermore, the wing plate is long-strip-shaped, and the cross section of the wing plate is X-shaped.
Furthermore, the plate surface between the two side edges of the two butted plate surfaces of the prefabricated veneer and the prefabricated concrete external wall plate and the first grooves on the two sides has a slight radian, a certain gap exists between the two butted plate surfaces of the prefabricated veneer and the prefabricated concrete external wall plate, and the two sides of the gap are completely closed along the thickness direction. Thereby avoiding the two faces of the prefabricated decorative panel and the prefabricated concrete external wall panel from being tightly adhered to cause the difficulty of filling the structural adhesive.
The invention also provides a method for connecting the prefabricated decorative panel and the prefabricated concrete external wall panel, which comprises the following steps:
step S1, providing a plurality of prefabricated decorative panels prefabricated in factories, a plurality of prefabricated concrete external panels prefabricated in factories and a plurality of clamping pieces for clamping the prefabricated decorative panels and the prefabricated concrete external panels in a butt joint mode, wherein a plurality of grooves are formed in the two butt joint plate surfaces of the prefabricated decorative panels and the prefabricated concrete external panels in the plate thickness direction and are arranged at intervals in the plate surface length direction;
step S2, after each prefabricated veneer and the prefabricated concrete external wall panel are butted and clamped, the grooves of the prefabricated veneer and the prefabricated concrete external wall panel are in one-to-one correspondence along the length direction of the panel surface, a clamping piece is embedded in each pair of grooves, one end of each clamping piece is embedded in the groove of the prefabricated veneer, and the other end of each clamping piece is embedded in the groove of the prefabricated concrete external wall panel;
and step S3, filling adhesive materials in the gap between the prefabricated decorative panel and the prefabricated concrete external wall panel.
Further, the bonding material is high-strength structural adhesive.
Furthermore, the clamping piece is an X-shaped steel clamping piece formed by welding four steel wing plates, and after the clamping piece is embedded into the groove, each wing plate is attached to the inclined plane of the corresponding groove.
Furthermore, the plate surface between the two side edges of the two butted plate surfaces of the prefabricated veneer and the prefabricated concrete external wall plate and the first grooves on the two sides has a slight radian, a certain gap exists between the two butted plate surfaces of the prefabricated veneer and the prefabricated concrete external wall plate, and the two sides of the gap are completely closed along the thickness direction. Thereby avoiding the two faces of the prefabricated decorative panel and the prefabricated concrete external wall panel from being tightly adhered to cause the difficulty of filling the structural adhesive.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the invention provides a connecting structure of a prefabricated veneer and a prefabricated concrete external wall panel, which mainly comprises the prefabricated veneer, the prefabricated concrete external wall panel and clamping pieces, wherein a plurality of grooves are formed in the thickness direction of two butt joint plate surfaces of the prefabricated veneer and the prefabricated concrete external wall panel, and the grooves are arranged at intervals along the length direction of the plate surfaces; the prefabricated decorative panel and the prefabricated concrete external wall panel are in one-to-one correspondence along the length direction of the panel after being clamped in a butt joint mode, a clamping piece is embedded into each pair of grooves, one end of each clamping piece is embedded and fixed in the groove of the prefabricated decorative panel, the other end of each clamping piece is embedded and fixed in the groove of the prefabricated concrete external wall panel, and a bonding material is filled in a gap between the prefabricated decorative panel and the prefabricated concrete external wall panel. This neotype prefabricated decorative board and precast concrete side fascia connection structure, realized traditional building outer wall veneer construction process's prefabricated assembly ization, effectively reduced the wet work volume of job site, do benefit to the environmental protection.
2. The connecting method of the prefabricated veneer and the prefabricated concrete external wall panel has the advantages of simple and convenient connecting structure, convenience for operation of field constructors and high safety and stability.
Drawings
Fig. 1 is a schematic view illustrating a connection structure of a precast finishing plate and a precast concrete exterior wall panel according to an embodiment of the present invention;
FIG. 2 is a top view of a connection structure between a precast finishing plate and a precast concrete exterior wall panel according to an embodiment of the present invention;
FIG. 3 is a top view of a connecting structure of a precast finishing plate and a precast concrete external wall panel according to another embodiment of the present invention without installation of a fastener;
FIG. 4 is a schematic structural diagram of a fastener in a connecting structure of a prefabricated veneer and a prefabricated concrete external wall panel according to an embodiment of the invention;
fig. 5 is a schematic structural view of a connecting structure of a precast facing board and a precast concrete external wall panel according to an embodiment of the present invention after a bonding material is filled in the connecting structure.
In the figure:
1-prefabricating a veneer; 2-prefabricating the concrete external wall panel; 3-a groove; 4-a fastener; 5-clearance; 6-wing plate; 7-binding material.
Detailed Description
The connection structure and method for the prefabricated decorative panel and the prefabricated concrete external wall panel according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Example one
The following describes the structural composition of the connection structure of the precast finishing panel and the precast concrete external wall panel according to the present invention in detail with reference to fig. 1 to 5.
Referring to fig. 1 to 5, a connecting structure of a prefabricated veneer and a prefabricated concrete external wall panel comprises a prefabricated veneer 1, a prefabricated concrete external wall panel 2 and a fastener 4, wherein a plurality of grooves 3 are formed in the thickness direction of the two butt-jointed plate surfaces of the prefabricated veneer 1 and the prefabricated concrete external wall panel 2, and the grooves 3 are arranged at intervals along the length direction of the plate surfaces; the prefabricated decorative panel 1 and the prefabricated concrete external wall panel 2 are in butt joint clamping back groove one-to-one correspondence along the length direction of the panel, each pair of grooves 3 is embedded with one fastener 4, one end of each fastener 4 is embedded and fixed in the groove 3 of the prefabricated decorative panel 1, the other end is embedded and fixed in the groove 3 of the prefabricated concrete external wall panel 2, and a bonding material 7 is filled in a gap between the prefabricated decorative panel 1 and the prefabricated concrete external wall panel 2.
In this embodiment, it is more preferable that the cross sections of the groove 3 of the precast facing panel 1 and the groove 3 of the precast concrete external wall panel 2 are isosceles trapezoids which are wide inside and narrow outside.
In this embodiment, it is more preferable that the latching member 4 is composed of four wings 6, and each wing is engaged with the inclined surface of the corresponding recess 3 after the latching member 4 is inserted into the recess 3.
In the present embodiment, it is more preferable that the wing plates 6 have an elongated shape, and the cross section of the wing plates 6 has an X shape.
In this embodiment, more preferably, the plate surface between the two side edges of the two plate surfaces where the precast finishing plate 1 and the precast concrete external wall panel 2 are butted and the first grooves 3 on the two sides has a slight arc, and after the precast finishing plate 1 and the precast concrete external wall panel 2 are butted, a certain gap exists between the two plate surfaces and the two sides of the gap are completely closed along the thickness direction. Thereby avoiding the two faces of the prefabricated veneer 1 and the prefabricated concrete external wall panel 2 from being attached too tightly to cause the difficulty of filling the structural adhesive.
Referring to fig. 1 to 5, the present invention further provides a method for connecting a precast finishing panel and a precast concrete external wall panel, the method comprising the steps of:
step S1, providing a plurality of factory-prefabricated decorative panels 1, a plurality of factory-prefabricated external concrete panels 2 and a plurality of clamping pieces 4 for clamping the prefabricated decorative panels 1 and the external concrete panels 2 in a butt joint mode respectively, wherein a plurality of grooves 3 are formed in the two butt joint plate surfaces of the prefabricated decorative panels 1 and the external concrete panels 2 in the plate thickness direction, and the grooves 3 are arranged at intervals in the plate surface length direction;
step S2, after each prefabricated veneer 1 and the prefabricated concrete external wall panel 2 are butted and clamped, the grooves 3 of the prefabricated veneer 1 and the prefabricated concrete external wall panel 2 are in one-to-one correspondence along the length direction of the panel surface, a clamping piece 4 is embedded into each pair of grooves 3, one end of each clamping piece 4 is embedded and fixed in the groove 3 of the prefabricated veneer 1, and the other end of each clamping piece 4 is embedded and fixed in the groove 3 of the prefabricated concrete external wall panel 7;
and step S3, filling the bonding material 7 in the gap between the precast facing board 1 and the precast concrete external wall board 2.
In the present embodiment, it is more preferable that the adhesive material 7 is a high-strength structural adhesive.
The above description is only illustrative of the preferred embodiments of the present invention and does not limit the scope of the present invention in any way. Any changes and modifications of the above disclosure by those skilled in the art are within the scope of the appended claims.

Claims (9)

1. The utility model provides a connection structure of prefabricated decorative board and precast concrete side fascia which characterized in that includes:
the prefabricated decorative panel comprises a prefabricated decorative panel, a prefabricated concrete external wall panel and clamping pieces, wherein a plurality of grooves are formed in the thickness direction of each of two butt joint plate surfaces of the prefabricated decorative panel and the prefabricated concrete external wall panel, and the grooves are arranged at intervals along the length direction of the plate surfaces; the prefabricated decorative panel and the prefabricated concrete external wall panel are in one-to-one correspondence along the length direction of the panel after being clamped in a butt joint mode, a clamping piece is embedded into each pair of grooves, one end of each clamping piece is embedded and fixed in the groove of the prefabricated decorative panel, the other end of each clamping piece is embedded and fixed in the groove of the prefabricated concrete external wall panel, and a bonding material is filled in a gap between the prefabricated decorative panel and the prefabricated concrete external wall panel.
2. The connecting structure of the precast veneer and the precast concrete external wall panel according to claim 1, wherein the cross sections of the precast veneer groove and the precast concrete external wall panel groove are isosceles trapezoids with wide inner parts and narrow outer parts.
3. The connecting structure of the precast veneer and the precast concrete external wall panel according to claim 1, wherein the clip member is composed of four wing plates, and after the clip member is inserted into the groove, each wing plate is attached to the inclined surface of the corresponding groove.
4. The precast veneer and precast concrete external wall panel connection structure according to claim 3, wherein the wing plate has an elongated shape, and the cross section of the wing plate has an X-shape.
5. The structure for connecting a precast facing panel and a precast concrete outer wall panel according to claim 1, wherein a panel surface between two side edges of two panel surfaces of the butt joint of the precast facing panel and the precast concrete outer wall panel and a first groove on the two side edges has a slight curvature, a certain gap is formed between the two panel surfaces after the butt joint of the precast facing panel and the precast concrete outer wall panel, and both sides of the gap are completely closed in a thickness direction.
6. A method for connecting a prefabricated veneer with a prefabricated concrete external wall panel is characterized by comprising the following steps:
step S1, providing a plurality of prefabricated decorative panels prefabricated in factories, a plurality of prefabricated concrete external panels prefabricated in factories and a plurality of clamping pieces for clamping the prefabricated decorative panels and the prefabricated concrete external panels in a butt joint mode, wherein a plurality of grooves are formed in the two butt joint plate surfaces of the prefabricated decorative panels and the prefabricated concrete external panels in the plate thickness direction and are arranged at intervals in the plate surface length direction;
step S2, after each prefabricated veneer and the prefabricated concrete external wall panel are butted and clamped, the grooves of the prefabricated veneer and the prefabricated concrete external wall panel are in one-to-one correspondence along the length direction of the panel surface, a clamping piece is embedded in each pair of grooves, one end of each clamping piece is embedded in the groove of the prefabricated veneer, and the other end of each clamping piece is embedded in the groove of the prefabricated concrete external wall panel;
and step S3, filling adhesive materials in the gap between the prefabricated decorative panel and the prefabricated concrete external wall panel.
7. The method of claim 6, wherein the bonding material is a high strength structural adhesive.
8. The method according to claim 6, wherein the clip is an X-shaped steel clip formed by welding four steel wing plates, and after the clip is inserted into the groove, each wing plate is attached to the inclined surface of the corresponding groove.
9. The method as claimed in claim 6, wherein the slab surface between the first grooves on two sides of the two slab surfaces of the precast facing slab and the precast concrete external wall slab, which are butted, has a slight curvature, and after the precast facing slab and the precast concrete external wall slab are butted, a certain gap exists between the two slab surfaces and both sides of the gap are completely closed along the thickness direction.
CN202111252120.7A 2021-10-26 2021-10-26 Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel Active CN113958083B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111252120.7A CN113958083B (en) 2021-10-26 2021-10-26 Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111252120.7A CN113958083B (en) 2021-10-26 2021-10-26 Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel

Publications (2)

Publication Number Publication Date
CN113958083A true CN113958083A (en) 2022-01-21
CN113958083B CN113958083B (en) 2023-08-29

Family

ID=79467569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111252120.7A Active CN113958083B (en) 2021-10-26 2021-10-26 Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel

Country Status (1)

Country Link
CN (1) CN113958083B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901337A1 (en) * 1978-09-03 1980-03-06 Ernst Koller PROFILE BAR-SHAPED COMPONENT AND BUILDING WITH PROFILE BAR-SHAPED COMPONENTS
CN201151992Y (en) * 2007-11-16 2008-11-19 祁魁 Veneer composite board
CN201627285U (en) * 2009-06-14 2010-11-10 邹用军 Light board for building partition walls
CN103758319A (en) * 2014-01-26 2014-04-30 湖北弘毅钢结构工程有限公司 Prefabricated facing lightweight concrete external wallboard
CN110409771A (en) * 2019-07-23 2019-11-05 天元建设集团有限公司 A kind of prefabricated outer wall panel installation auxiliary device and its application method
CN110761512A (en) * 2019-10-31 2020-02-07 贵州益新装配式新型建材有限公司 Gypsum foaming light wallboard of easily installing
CN211572037U (en) * 2019-10-10 2020-09-25 江苏大汉建设实业集团有限责任公司 Prefabricated wallboard piece crack prevention device
CN113006334A (en) * 2021-02-06 2021-06-22 河南大学 Assembly type light partition wall batten connecting device adopting double dovetail connection
CN214329331U (en) * 2020-12-07 2021-10-01 长春建设集团股份有限公司 Prefabricated wallboard vertical joint slip casting waterproof sealing strip

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901337A1 (en) * 1978-09-03 1980-03-06 Ernst Koller PROFILE BAR-SHAPED COMPONENT AND BUILDING WITH PROFILE BAR-SHAPED COMPONENTS
CN201151992Y (en) * 2007-11-16 2008-11-19 祁魁 Veneer composite board
CN201627285U (en) * 2009-06-14 2010-11-10 邹用军 Light board for building partition walls
CN103758319A (en) * 2014-01-26 2014-04-30 湖北弘毅钢结构工程有限公司 Prefabricated facing lightweight concrete external wallboard
CN110409771A (en) * 2019-07-23 2019-11-05 天元建设集团有限公司 A kind of prefabricated outer wall panel installation auxiliary device and its application method
CN211572037U (en) * 2019-10-10 2020-09-25 江苏大汉建设实业集团有限责任公司 Prefabricated wallboard piece crack prevention device
CN110761512A (en) * 2019-10-31 2020-02-07 贵州益新装配式新型建材有限公司 Gypsum foaming light wallboard of easily installing
CN214329331U (en) * 2020-12-07 2021-10-01 长春建设集团股份有限公司 Prefabricated wallboard vertical joint slip casting waterproof sealing strip
CN113006334A (en) * 2021-02-06 2021-06-22 河南大学 Assembly type light partition wall batten connecting device adopting double dovetail connection

Also Published As

Publication number Publication date
CN113958083B (en) 2023-08-29

Similar Documents

Publication Publication Date Title
JP5698359B2 (en) Composite decorative concrete and its construction method
KR100512119B1 (en) the construction method of outer wall insulating with insulation board
CN111005442A (en) SIP plate type structure prefabricated house building combined with light steel and construction method thereof
CN201730242U (en) Honeycomb wallboard
CN206091069U (en) Girder steel and strip siding wall connected node structure
CN202706320U (en) Environment-friendly light energy-saving composite board
KR20120114080A (en) Aseismatic reinforcing structure for masonry construction and constructing method thereof
CN113958083B (en) Connecting structure and method for prefabricated veneer and prefabricated concrete external wall panel
CN110878598A (en) Assembled low energy consumption side fascia
CN218233878U (en) Assembled energy-conserving wall body
CN216973838U (en) Assembled ten shape posts and ecological interior wall self-tapping nail cluster joint construction
CN202595965U (en) Curtain wall stone corner system
CN215563533U (en) Composite prefabricated wallboard with reinforcing belt
CN2547800Y (en) High-strength cement compositelight thermal-insulating exposed wall board
CN201024545Y (en) Integral pearlite sandwich board
CN213234108U (en) A novel mounting structure for building side fascia
CN211646810U (en) Wallboard for assembly type building
CN211200798U (en) Metal mesh rock wool composite sheet outer wall external insulation system
CN114687459A (en) Assembly type composite wallboard and floor slab self-tapping nail cluster and post-cast strip combined connecting structure and manufacturing method
CN204510673U (en) The heat-insulation and heat-preservation concrete complex of a kind of stone material or metal sheet facing
CN103452209A (en) Double-layer composite slat cast-in-situ internal parting wall structure
CN210316112U (en) Heat preservation wall body integral structure
CN219431080U (en) ALC wallboard right angle connection structure
CN212534640U (en) Prefabricated semi-rigid combined large plate
CN213710004U (en) Reinforced disassembly-free composite template

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant