CN112392144A - Connecting node of assembled concrete external wall panel, mounting method of connecting node and building - Google Patents
Connecting node of assembled concrete external wall panel, mounting method of connecting node and building Download PDFInfo
- Publication number
- CN112392144A CN112392144A CN202011364076.4A CN202011364076A CN112392144A CN 112392144 A CN112392144 A CN 112392144A CN 202011364076 A CN202011364076 A CN 202011364076A CN 112392144 A CN112392144 A CN 112392144A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000004873 anchoring Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 238000005034 decoration Methods 0.000 abstract description 5
- 210000003195 fascia Anatomy 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
- E04B1/043—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a connecting node of an assembled concrete externally-hung wallboard, an installation method of the connecting node and a building. The building body includes major structure and side fascia, and major structure includes the roof beam, and the side fascia includes last wallboard and lower wallboard of connecting on the roof beam through connected node. The connecting joint comprises a beam embedded part, an upper wallboard embedded part, a lower wallboard embedded bolt, a supporting connecting piece and an adjusting nut. The supporting and connecting piece is provided with a plate body, a first vertical connecting part and a second vertical connecting part. The top end of the supporting bolt is welded with the embedded part of the upper wall plate, the bottom end of the supporting bolt is in threaded connection with the adjusting nut, and the adjusting nut is welded with the plate body of the supporting connecting piece. One end of the lower wallboard embedded bolt is inserted into the long round hole of the supporting connecting piece, the lower wallboard embedded bolt is bolted with the first vertical connecting portion, and the second vertical connecting portion is welded with the beam embedded piece. The connecting node is simple in structure and easy to maintain; the construction steps are simple, and the indoor decoration and use cannot be influenced during construction.
Description
Technical Field
The invention belongs to the technical field of house construction, and particularly relates to a connecting node of an assembled concrete externally-hung wallboard, an installation method of the connecting node and a building body.
Background
As an assembled external enclosure system integrating enclosure, decoration, water prevention and heat preservation, the prefabricated concrete external wall panel has the advantages of high installation speed, less field labor, no wet operation, controllable quality, good durability and convenience in maintenance. The exterior wall panel may be divided into a point-supported and a line-supported exterior wall panel according to the connection manner thereof. The externally-hung wall panel is large in size, heavy in self weight, large in-plane rigidity and complex in stress, the currently used point-supported externally-hung wall panels are more in use, four-point connection or six-point connection is generally adopted, however, the existing node structure is complex and inconvenient to construct, and the existing node structure is difficult to maintain when problems occur in subsequent use and affects indoor decoration and use.
Disclosure of Invention
The invention aims to provide a connecting node of an assembled concrete externally-hung wallboard, an installation method of the connecting node and a building, and aims to solve the problems that the existing connecting node of the externally-hung wallboard is complex in structure, inconvenient to construct and difficult to maintain, and indoor decoration and use are influenced.
The invention is realized in this way, a connection node of an assembled concrete external wall panel, which is used for installing the external wall panel on a beam, and comprises a beam embedded part, an upper wall panel embedded part, a lower wall panel embedded bolt, a supporting connecting part and an adjusting nut;
the supporting connecting piece is provided with a plate body, one end of the plate body is provided with a first vertical connecting part, the other end of the plate body is provided with a second vertical connecting part, and the first vertical connecting part is provided with a vertically extending long round hole;
the top end of the supporting bolt is welded with the embedded part of the upper wallboard, the bottom end of the supporting bolt is in threaded connection with an adjusting nut, and the adjusting nut is welded with the plate body of the supporting connecting piece;
one end of the lower wallboard embedded bolt is inserted into the long round hole of the supporting connecting piece, and the lower wallboard embedded bolt is bolted with the first vertical connecting part of the supporting connecting piece;
and the second vertical connecting part of the supporting connecting piece is welded with the beam embedded part.
Furthermore, the beam embedded part comprises angle steel and a plurality of anchor bars, the anchor bars are welded on the inner side surface of the angle steel, and the outer side surface of the angle steel is welded with the second vertical connecting part of the supporting connecting piece.
Furthermore, the embedded part of the upper wallboard comprises a connecting plate and an anchoring plate, the anchoring plate is vertically fixed on the top surface of the connecting plate, the connecting plate is welded with the top end of the supporting bolt, a transverse hole is formed in the anchoring plate, a transverse anchor rod is perforated in the transverse hole, and a limiting rod is arranged on the side surface of the anchoring plate.
Furthermore, the top end of the embedded bolt of the lower wallboard is horizontally bent towards the outer side of the lower wallboard, and an external thread is arranged at the part of the embedded bolt extending out of the lower wallboard.
In order to solve the technical problem, the invention also provides an installation method of the connection node, which comprises the following steps:
s1, welding the second vertical connecting part of the supporting connecting piece with the beam embedded part;
s2, inserting lower wallboard embedded bolts embedded in the lower wallboard into the long round holes of the first vertical connecting parts of the supporting connecting pieces, bolting the lower wallboard embedded bolts and the supporting connecting pieces by nuts, and ensuring that the lower wallboard embedded bolts can move in the long round holes under the action of certain external force;
and S3, welding the top end of the supporting bolt with an embedded part of the upper wall plate embedded in the upper wall plate, inserting the supporting bolt into the adjusting nut, adjusting the height of the upper wall plate by using the adjusting nut, and then welding the adjusting nut with the plate body of the supporting connecting piece.
In order to solve the technical problems, the invention further provides a building body which comprises a main body structure and an external wall panel, wherein the main body structure comprises a beam, and the external wall panel comprises an upper wall panel and a lower wall panel which are arranged up and down; the upper wall plate and the lower wall plate are connected to the outer side face of the beam through any one of the connecting nodes, and the connecting nodes are located at the joint of the upper wall plate and the lower wall plate.
Further, the seam is provided with two connecting nodes distributed at intervals.
Furthermore, the horizontal distance between the connecting node and the edge of the outer wall panel is equal to the panel width of the outer wall panels 1/4-1/5.
Compared with the prior art, the invention has the beneficial effects that:
the connecting node is simple in structure and easy to maintain; the construction steps are simple, operations such as wall drilling and punching are not needed during construction, construction by means of indoor space is not needed, and indoor decoration and use are not affected;
the connecting joint adopted by the invention comprises the beam embedded part, the upper wallboard embedded part, the lower wallboard embedded bolt, the supporting connecting piece and the adjusting nut, so that the connecting joint has a reasonable and reliable force transmission mode and is not easy to fall off;
the connecting part of the supporting connecting piece and the beam is provided with the long round hole, so that the lower wallboard can move in a reasonable range, and the influence of earthquake acting force on the outer wallboard is reduced;
the height of the upper wallboard is adjusted through the adjusting bolt, and then the upper wallboard is welded with the supporting connecting piece.
Drawings
FIG. 1 is a schematic vertical sectional view of a connection node of an assembled concrete outer wall panel according to an embodiment of the present invention;
FIG. 2 is a perspective view of the support connection in the connection node of FIG. 1;
FIG. 3 is a schematic perspective view of a beam embedment in the connection node shown in FIG. 1;
FIG. 4 is a perspective view of the upper wall embedment and support bolts in the connection node shown in FIG. 1;
fig. 5 is a schematic perspective view of a partial position of a building according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a connection node of an assembled concrete external wall panel according to a preferred embodiment of the present invention is shown, and is used for mounting the external wall panel on a beam 200, and the connection node includes a beam embedded part 1, an upper wall panel embedded part 2, a lower wall panel embedded bolt 3, a support bolt 4, a support connector 5, and an adjusting nut 6.
Referring to fig. 2, the supporting and connecting member 5 includes a plate body 51, one end of the plate body 51 has a first vertical connecting portion 52, and the other end of the plate body 51 has a second vertical connecting portion 53. The first vertical connecting portion 52 is provided with a vertically extending oblong hole 521.
The supporting bolt 4 is used for supporting the weight of the upper wall plate 10, the top end of the supporting bolt 4 is welded with the upper wall plate embedded part 2, the bottom end of the supporting bolt 4 is in threaded connection with the adjusting nut 6, and the adjusting nut 6 is welded with the plate body 51 of the supporting connecting piece 5. The top of the lower wallboard embedded bolt 3 is horizontally bent towards the outer side of the lower wallboard 20, and the part of the lower wallboard embedded bolt extending out of the lower wallboard 20 is provided with an external thread. One end of the lower wallboard embedded bolt 3 extending out of the lower wallboard 20 is inserted into the long circular hole of the supporting and connecting piece 5, the lower wallboard embedded bolt 3 is bolted with the first vertical connecting portion 52 of the supporting and connecting piece 5, and the first vertical connecting portion 52 is used for limiting the displacement of the lower wallboard 20. Through setting up lower wallboard 20 embedded bolt 3 and slotted hole 521, under certain exogenic action, lower wallboard 20 embedded bolt 3 can be in the activity of slotted hole 521 to reduce the influence of earthquake effort to the external wall board.
The second vertical connecting portions 53 of the support connectors 5 are welded to the beam embedment 1.
Referring to fig. 3, the beam embedded part 1 includes an angle steel 11 and a plurality of anchor bars 12, the anchor bars 12 are welded to an inner side surface of the angle steel 11, and an outer side surface of the angle steel 11 is welded to the second vertical connecting portion 53 of the support connecting member 5.
Referring to fig. 4, the upper wall panel embedded part 2 includes a connecting plate 21 and an anchoring plate 22, the anchoring plate 22 is vertically fixed on the top surface of the connecting plate 21, and the connecting plate 21 is welded to the top end of the supporting bolt 4. The anchoring plate 22 is provided with a transverse hole, a transverse anchor rod 23 is perforated in the transverse hole, and a limiting rod 24 is arranged on the side surface of the anchoring plate 22.
The connected node that this embodiment adopted contains roof beam built-in fitting 1, upper wall board built-in fitting 2, lower wall board pre-buried bolt 3, supporting bolt 4, supporting connecting piece 5 and adjusting nut 6 for it has reasonable, reliable biography power mode, is difficult for droing, and simple structure easily overhauls.
The embodiment also provides an installation method of the connection node, which comprises the following steps:
s1, welding the second vertical connecting part of the supporting connecting piece 5 with the beam embedded part 1;
s2, inserting the lower wallboard embedded bolt 3 embedded in the lower wallboard 20 into the long round hole 521 of the first vertical connecting part 52 of the supporting connecting piece 5, bolting the lower wallboard embedded bolt 3 and the supporting connecting piece 5 by using a nut 7, and ensuring that the lower wallboard embedded bolt 3 can move in the long round hole 521 under the action of certain external force;
s3, welding the top end of the supporting bolt 4 with the upper wall plate embedded part 2 embedded in the upper wall plate 10, inserting the supporting bolt 4 into the adjusting nut 6, adjusting the height of the upper wall plate 10 by using the adjusting nut 6, and then welding the adjusting nut 6 with the plate body 51 of the supporting connecting piece 5.
Referring to fig. 5, a building provided in this embodiment is shown, which includes a main structure, an external wall panel, and the connection node 100 of this embodiment. The major structure includes roof beam 200, and the side fascia is including the last wallboard 10 and the wallboard 20 down that set up from top to bottom, and last wallboard 10 and wallboard 20 down pass through connected node and connect on the lateral surface of roof beam 200, and connected node is located the seam crossing of last wallboard 10 and wallboard 20 down.
Specifically, two connecting nodes 100 are disposed at the seam. The horizontal distance between the connecting node 100 and the edge of the external wall panel is equal to the panel width of the external wall panels 1/4-1/5.
The connecting node of this embodiment, construction steps is simple, need not to bore operation such as wall and punch during the construction, also need not to construct with the help of the interior space, can not influence indoor fitment and use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A connection node of an assembled concrete externally-hung wallboard is used for installing the externally-hung wallboard on a beam and is characterized in that the connection node comprises a beam embedded part, an upper wallboard embedded part, a lower wallboard embedded bolt, a supporting connecting part and an adjusting nut;
the supporting connecting piece is provided with a plate body, one end of the plate body is provided with a first vertical connecting part, the other end of the plate body is provided with a second vertical connecting part, and the first vertical connecting part is provided with a vertically extending long round hole;
the top end of the supporting bolt is welded with the embedded part of the upper wallboard, the bottom end of the supporting bolt is in threaded connection with an adjusting nut, and the adjusting nut is welded with the plate body of the supporting connecting piece;
one end of the lower wallboard embedded bolt is inserted into the long round hole of the supporting connecting piece, and the lower wallboard embedded bolt is bolted with the first vertical connecting part of the supporting connecting piece;
and the second vertical connecting part of the supporting connecting piece is welded with the beam embedded part.
2. The connection node of claim 1, wherein the beam embedment includes angle steel and a plurality of anchor bars welded to an inner side of the angle steel, the outer side of the angle steel being welded to the second vertical connection of the support connection.
3. The connection node according to claim 1, wherein the embedded part of the upper wall plate comprises a connecting plate and an anchoring plate, the anchoring plate is vertically fixed on the top surface of the connecting plate, the connecting plate is welded with the top end of the supporting bolt, a transverse hole is formed in the anchoring plate, a transverse anchor rod is perforated in the transverse hole, and a limiting rod is arranged on the side surface of the anchoring plate.
4. The connection joint according to claim 1, wherein the top end of the embedded bolt of the lower wall plate is horizontally bent towards the outer side of the lower wall plate, and the part of the embedded bolt extending out of the lower wall plate is provided with an external thread.
5. A method of installing a connection node according to any of claims 1 to 4, comprising the steps of:
s1, welding the second vertical connecting part of the supporting connecting piece with the beam embedded part;
s2, inserting lower wallboard embedded bolts embedded in the lower wallboard into the long round holes of the first vertical connecting parts of the supporting connecting pieces, bolting the lower wallboard embedded bolts and the supporting connecting pieces by nuts, and ensuring that the lower wallboard embedded bolts can move in the long round holes under the action of certain external force;
and S3, welding the top end of the supporting bolt with an embedded part of the upper wall plate embedded in the upper wall plate, inserting the supporting bolt into the adjusting nut, adjusting the height of the upper wall plate by using the adjusting nut, and then welding the adjusting nut with the plate body of the supporting connecting piece.
6. A building body comprises a main body structure and an external wall panel, wherein the main body structure comprises a beam, and the external wall panel comprises an upper wall panel and a lower wall panel which are arranged up and down; characterized in that the upper and lower wall panels are connected to the outer side of the beam by a connecting joint according to any one of claims 1-4, which is located at the joint of the upper and lower wall panels.
7. The building of claim 6 wherein said joint is provided with two spaced apart said connecting nodes.
8. The building of claim 7, wherein the horizontal distance of the connecting node from the edge of the exterior wall panel is equal to the panel width of the exterior wall panels 1/4-1/5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364076.4A CN112392144B (en) | 2020-11-27 | 2020-11-27 | Method for installing connecting node of assembled concrete external wall panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364076.4A CN112392144B (en) | 2020-11-27 | 2020-11-27 | Method for installing connecting node of assembled concrete external wall panel |
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| Publication Number | Publication Date |
|---|---|
| CN112392144A true CN112392144A (en) | 2021-02-23 |
| CN112392144B CN112392144B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011364076.4A Active CN112392144B (en) | 2020-11-27 | 2020-11-27 | Method for installing connecting node of assembled concrete external wall panel |
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| Country | Link |
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| CN (1) | CN112392144B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982769A (en) * | 2021-04-04 | 2021-06-18 | 内蒙古建能兴辉陶瓷有限公司 | External wall hanging device based on light external wall panel and installation method |
| CN113356424A (en) * | 2021-06-24 | 2021-09-07 | 昌大建筑科技有限公司 | Construction method for prefabricating external wall panel |
| CN115110750A (en) * | 2022-04-03 | 2022-09-27 | 陈泳燊 | Universal wall connecting rod of building scaffold |
| CN116950289A (en) * | 2023-07-25 | 2023-10-27 | 秦皇岛市政建材集团有限公司 | Passive PC external wall panel connecting structure with building modeling and mounting method |
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| CN104652671A (en) * | 2015-02-09 | 2015-05-27 | 龙信建设集团有限公司 | Prefabricated assembly-type concrete outer-hanging wallboard fixing device and installation method |
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| CN212001797U (en) * | 2019-10-12 | 2020-11-24 | 中民筑友科技产业有限公司 | Prefabricated external wall panel connecting assembly and connecting structure of prefabricated external wall panel |
| CN212001800U (en) * | 2019-10-12 | 2020-11-24 | 中民筑友科技产业有限公司 | Connecting assembly and connecting structure of external wall panel |
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2020
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| JPH08218528A (en) * | 1995-02-16 | 1996-08-27 | Sekisui House Ltd | Fixing device of curtain wall |
| JPH09279734A (en) * | 1996-04-17 | 1997-10-28 | Sekisui House Ltd | Support structure for exterior wall panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982769A (en) * | 2021-04-04 | 2021-06-18 | 内蒙古建能兴辉陶瓷有限公司 | External wall hanging device based on light external wall panel and installation method |
| CN113356424A (en) * | 2021-06-24 | 2021-09-07 | 昌大建筑科技有限公司 | Construction method for prefabricating external wall panel |
| CN115110750A (en) * | 2022-04-03 | 2022-09-27 | 陈泳燊 | Universal wall connecting rod of building scaffold |
| CN116950289A (en) * | 2023-07-25 | 2023-10-27 | 秦皇岛市政建材集团有限公司 | Passive PC external wall panel connecting structure with building modeling and mounting method |
| CN116950289B (en) * | 2023-07-25 | 2024-01-16 | 秦皇岛市政建材集团有限公司 | Passive PC external wall panel connecting structure with building modeling and mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112392144B (en) | 2022-05-06 |
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