CN212104658U - Plug-in type prefabricated assembled concrete shear wall - Google Patents
Plug-in type prefabricated assembled concrete shear wall Download PDFInfo
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- CN212104658U CN212104658U CN202020396160.3U CN202020396160U CN212104658U CN 212104658 U CN212104658 U CN 212104658U CN 202020396160 U CN202020396160 U CN 202020396160U CN 212104658 U CN212104658 U CN 212104658U
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Abstract
The utility model discloses a prefabricated assembled concrete shear force wall of plug-in type, including upper portion prefabricated shear force wall and lower part prefabricated shear force wall. The upper prefabricated shear wall comprises an upper prefabricated shear wall body, an upper connecting steel plate and a first inserting part which are sequentially connected. The first inserting portion comprises a first connecting plate and a plurality of first inserting pieces, and the first inserting pieces are sequentially arranged on one side of the first connecting plate at intervals and matched with the first connecting plate to form a plurality of first accommodating grooves. The lower prefabricated shear wall comprises a lower prefabricated shear wall body, a lower connecting steel plate and a second inserting part which are sequentially connected. The second inserting portion comprises a second connecting plate and a plurality of second inserting pieces corresponding to the first accommodating grooves, and the second inserting pieces are sequentially arranged on one side of the second connecting plate at intervals and matched with the second connecting plate to form a plurality of second accommodating grooves corresponding to the first inserting pieces. Under the connection state, the first insertion part and the second insertion part are inserted into each other, and the upper connecting steel plate and the lower connecting steel plate are fixedly connected.
Description
Technical Field
The utility model belongs to the technical field of the shear force wall, especially, relate to a prefabricated assembled concrete shear force wall of plug-in type.
Background
The greening, informatization (including intellectualization) and industrialization of buildings are main characteristics and trends of the development of the modern building industry, and the prefabricated assembled structure is an important content of the building industry. In this historical revolution, the industry pattern of the construction industry, mainly design, construction, will be broken and new industry chains, mainly design, manufacture, installation, will be gradually re-divided and formed. Prefabricated concrete structures are the current trend in development.
The concrete structure is mainly cast-in-place and has better overall performance, so the development of the prefabricated concrete structure is designed according to an equal cast-in-place method at present, the connection method of beam-column, column-column and shear wall nodes is mainly sleeve connection or slurry anchor connection at present, the connection mode of the beam-column, column-column and shear wall nodes depends on the field operation level to a great extent, but the operation difficulty of the sleeve connection or slurry anchor connection is higher, the connection quality depends on the technical level of constructors and the field condition, and the connection quality is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated assembled concrete shear force wall of plug-in type only needs simple welding just can accomplish the assembly at the scene, has solved the quality of prefabricated assembled concrete shear force wall connected node among the prior art and has relied on the field operation level, connects the problem that the quality is difficult to the assurance.
The technical scheme of the utility model is that:
a plug-in type prefabricated assembly type concrete shear wall comprises an upper prefabricated shear wall and a lower prefabricated shear wall;
the upper prefabricated shear wall comprises an upper prefabricated shear wall body, an upper connecting steel plate and a first inserting part; the lower end face of the upper prefabricated shear wall body is connected with the upper end face of the upper connecting steel plate;
the first plug part comprises a first connecting plate and a plurality of first plug connectors; the upper end surface of the first connecting plate is connected with the upper connecting steel plate; the first plug connectors are sequentially arranged on one side of the first connecting plate at intervals, and the upper end faces of the first plug connectors are connected with the upper connecting steel plate; the first connecting plate and the first plug connectors are matched to form a plurality of first accommodating grooves;
the lower prefabricated shear wall comprises a lower prefabricated shear wall body, a lower connecting steel plate and a second inserting part; the upper end surface of the lower prefabricated shear wall body is connected with the lower end surface of the lower connecting steel plate;
the second plug part comprises a second connecting plate and a plurality of second plug connectors corresponding to the first accommodating groove; the lower end face of the second connecting plate is connected with the lower connecting steel plate; the second plug connectors are sequentially arranged on one side of the second connecting plate at intervals, and the lower end faces of the second plug connectors are connected with the lower connecting steel plate; the second connecting plate is matched with the second plug connectors to form a plurality of second accommodating grooves corresponding to the first plug connectors;
in a connection state, the first plug-in part and the second plug-in part are mutually plugged, the first plug-in part is plugged in the corresponding second accommodating groove, and the second plug-in part is plugged in the corresponding first accommodating groove; and the upper connecting steel plate and the lower connecting steel plate are fixedly connected.
Preferably, the first plug connector is a cylinder with a bottom surface parallel to the upper connecting steel plate, and the second plug connector is a cylinder with a bottom surface parallel to the lower connecting steel plate;
the maximum width of the first accommodating groove is larger than the opening width, and the shape of the second plug connector is matched with the shape of the corresponding first accommodating groove; the maximum width of the second accommodating groove is larger than the opening width, and the shape of the first plug connector is matched with the shape of the second accommodating groove.
Preferably, the first plug connector is a straight prism with a first trapezoidal bottom surface; the edge of the joint of the first plug connector and the first connecting plate is the upper bottom of the first trapezoid;
the second plug connector is a straight prism with a second trapezoid bottom surface; the edge of the joint of the second plug connector and the second connecting plate is the upper bottom of the second trapezoid.
Preferably, the first connecting plate and the second connecting plate are both made of steel plates, and the first plug-in unit and the second plug-in unit are both made of steel.
Preferably, the first connecting piece and the first connecting plate are integrally formed members, and the second connecting piece and the second connecting plate are integrally formed members.
Preferably, the first connecting plate and the first plug connector are both connected with the upper connecting steel plate in a welding manner; the second connecting plate and the second plug connector are both connected with the lower connecting steel plate in a welding mode; the upper connecting steel plate and the lower connecting steel plate are connected in a welding mode.
Preferably, a plurality of longitudinal ribs are arranged in the upper prefabricated shear wall body and the lower prefabricated shear wall body;
the upper connecting steel plate is provided with a plurality of first plug welding holes corresponding to the longitudinal ribs in the upper prefabricated shear wall body, and the longitudinal ribs in the upper prefabricated shear wall body are respectively inserted into the corresponding first plug welding holes in the upper connecting steel plate and connected with the upper connecting steel plate through-holes in a plug welding manner;
the lower connecting plate is provided with a plurality of second plug welding holes corresponding to the longitudinal ribs in the lower prefabricated shear wall body, and the longitudinal ribs in the lower prefabricated shear wall body are respectively inserted into the corresponding second plug welding holes in the lower connecting steel plate and are connected with the lower connecting steel plate through-holes in a plug welding manner.
Preferably, the heights of the first connecting plate, the first plug connector, the second connecting plate and the second plug connector are the same.
Preferably, the shape and size of the upper connecting steel plate are the same as those of the horizontal section of the upper prefabricated shear wall body; the shape and the size of the lower connecting steel plate are the same as those of the horizontal section of the lower prefabricated shear wall body
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
(1) the utility model provides a prefabricated assembled concrete shear force wall of plug-in type only needs to peg graft with the first grafting portion of prefabricated shear force wall in upper portion and the second grafting portion of prefabricated shear force wall in lower part, and first plug connector inserts in first storage tank, and the second plug connector inserts in the second storage tank, then with upper portion steel sheet and the welding of lower part steel sheet, can accomplish on-the-spot assembly. The welding technology between the steel plates is simple, common constructors can well complete the welding, and the influence of the field is small, so that the problems that in the prior art, the quality of the prefabricated assembly type concrete shear wall connecting node needs to depend on the field operation level, and the connecting quality is difficult to guarantee are solved.
(2) The utility model provides a concrete wall body of prefabricated assembled concrete shear force wall of plug-in type is separately by upper portion steel sheet and lower part steel sheet for if only upper portion prefabricated shear force wall body or lower part prefabricated shear force wall body receive the shear force to destroy difficult another wall body of destroying with it through the connected node influence.
(3) The utility model provides a prefabricated assembled concrete shear force wall of plug-in type, connected node make things convenient for the later stage to overhaul outside the concrete wall.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a plug-in type prefabricated assembled concrete shear wall of the present invention;
fig. 2 is a schematic structural view of the upper prefabricated shear wall of the present invention;
fig. 3 is a schematic structural view of the lower prefabricated shear wall of the present invention;
FIG. 4 is a schematic view of the upper connecting steel plate of the present invention;
FIG. 5 is a schematic structural view of the upper connecting steel plate and the first connector of the present invention;
FIG. 6 is a schematic structural view of the lower connecting steel plate and the second connector of the present invention;
fig. 7 is a schematic structural view of the joint between the upper prefabricated shear wall and the lower prefabricated shear wall of the present invention;
fig. 8 is a top view of the junction of the first insertion part and the second insertion part of the present invention.
Description of reference numerals:
10: prefabricating a shear wall body on the upper part; 20: the upper part is connected with a steel plate; 30: a first insertion part; 31: a first connector; 32: a first connecting plate; 40: a second insertion part; 41: a second plug connector; 42: a second connecting plate; 50: the lower part is connected with a steel plate; 60: the shear wall body is prefabricated at the lower part.
Detailed Description
The following provides a plug-in type prefabricated assembled concrete shear wall with reference to the attached drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are merely intended to facilitate and distinctly illustrate the embodiments of the present invention.
Meanwhile, the expressions "first", "second", etc. are used only for the purpose of distinguishing a plurality of configurations, and do not limit the order between the configurations or other features.
Also, the expression "comprising" an element is an expression of "open" which merely means that there is a corresponding component, and should not be interpreted as excluding additional components.
Referring to fig. 1 to 8, the present embodiment provides a plug-in prefabricated assembled concrete shear wall including an upper prefabricated shear wall and a lower prefabricated shear wall. The concrete shear wall has a first side and a second side opposite the first side.
The upper prefabricated shear wall comprises an upper prefabricated shear wall body 10, an upper connecting steel plate 20 and a first inserting part 30. The lower end surface of the upper prefabricated shear wall body 10 is connected with the upper end surface of the upper connecting steel plate 20. The first connector 30 includes a first connection plate 32 and a plurality of first connectors 31. The upper end surface of the first connection plate 32 is connected to the upper connection steel plate 20. The plurality of first connectors 31 are sequentially arranged at intervals on one side of the first connection plate 32, and the upper end surface of each first connector 31 is connected with the upper connection steel plate 20. The first connecting plate 32 and the first connectors 31 cooperate to form a plurality of first receiving slots.
The lower prefabricated shear wall comprises a lower prefabricated shear wall body 60, a lower connecting steel plate 50 and a second inserting part 40. The upper end surface of the lower precast shear wall body 60 is connected with the lower end surface of the lower connecting steel plate 50. The second inserting portion 40 includes a second connecting plate 42 and a plurality of second inserting pieces 41 corresponding to the first receiving groove. The lower end surface of the second connecting plate 42 is connected to a lower connecting steel plate 50. The plurality of second connectors 41 are sequentially arranged at intervals on one side of the second connecting plate 42, and the lower end surface of the second connector 41 is connected with the lower connecting steel plate 50. The second connecting plate 42 and the second connectors 41 cooperate to form second receiving grooves corresponding to the first connectors 31.
In the connection state, the first plug-in unit 30 and the second plug-in unit 40 are plugged with each other, the first plug-in unit 31 is plugged in the corresponding second accommodating groove, and the second plug-in unit 41 is plugged in the corresponding first accommodating groove; the upper connecting steel plate 20 and the lower connecting steel plate 50 are fixedly connected. According to the plug-in type prefabricated assembly type concrete shear wall provided by the embodiment, the assembly on site can be completed only by plugging the first plugging portion 30 of the upper prefabricated shear wall and the second plugging portion 40 of the lower prefabricated shear wall, plugging the first plug connector 31 into the first accommodating groove, plugging the second plug connector 41 into the second accommodating groove, and then welding the upper connecting steel plate 20 and the lower connecting steel plate 50. The welding technique between the steel plates is simple, common constructors can well complete the welding, the influence of the field is small, and the connection quality can be guaranteed.
The concrete wall body of the plug-in type prefabricated assembly type concrete shear wall provided by the embodiment is separated by the upper connecting steel plate 20 and the lower connecting steel plate 50, so that the single upper prefabricated shear wall body 10 or the lower prefabricated shear wall body 60 is damaged by shearing force and is not easy to damage another wall body connected with the single upper prefabricated shear wall body or the lower prefabricated shear wall body through the influence of the connecting nodes. And the connection node of the upper prefabricated shear wall and the lower prefabricated shear wall is outside the concrete wall body, so that later-stage maintenance is facilitated.
The structure of the present embodiment will now be explained. Taking the relative positional relationship of the first connecting plate 32 and the second connecting plate 42 as an example, one side of the first connecting plate 32 is a first side, and one side of the second connecting plate 42 is a second side.
The first connector 31 is made of steel, and the first connection plate 32 is made of steel. The shape and size of the cross section of the upper connecting steel plate 20 are the same as those of the horizontal cross section of the upper prefabricated wall body. The first connecting plate 32 is vertically connected to the upper connecting steel plate 20, and the first side surfaces of the first connecting plate 32, the upper connecting plate and the upper prefabricated shear wall body 10 are on the same vertical plane, so that the first side of the whole upper prefabricated shear wall forms a flat surface.
The first plug connectors 31 are columns with bottom surfaces parallel to the upper connecting steel plate 20, and the maximum width of a first accommodating groove formed by two adjacent first plug connectors 31 and the first connecting plate 32 is greater than the opening width. Specifically, the first connector 31 may be a right prism with a bottom surface of a first trapezoid, and an edge at a connection point of the first connector 31 and the first connection plate 32 is an upper bottom of the first trapezoid.
The first plug 31 and the first connection plate 32 may be integrally formed steel members. The upper end surface of the first connector 31 and the upper end surface of the first connection plate 32 are welded to the upper connection steel plate 20, and the welding may be performed in a factory.
A plurality of longitudinal ribs are arranged in the upper prefabricated shear wall body 10. The upper connecting steel plate 20 is provided with a plurality of first plug welding holes corresponding to the longitudinal ribs in the upper prefabricated shear wall body 10, and the longitudinal ribs in the upper prefabricated shear wall body 10 are respectively inserted into the corresponding first plug welding holes in the upper connecting steel plate 20 and connected with the upper connecting steel plate 20 through the through holes in a plug welding manner.
The second connector 41 is made of steel, and the second connecting plate 42 is made of steel. The shape and size of the cross section of the lower connecting steel plate 50 are the same as those of the horizontal section of the lower prefabricated wall body. The second connecting plate 42 is vertically connected to the lower connecting steel plate 50, and the second side surfaces of the second connecting plate 42, the lower connecting plate and the lower prefabricated shear wall body 60 are on the same vertical plane, so that the second side of the whole upper prefabricated shear wall forms a flat surface.
The second plug 41 is a column with a bottom surface parallel to the lower connecting steel plate 50, and the maximum width of a second accommodating groove formed by two adjacent second plug 41 and the second connecting plate 42 is greater than the opening width. Specifically, the second connector 41 may be a right prism with a bottom surface of a second trapezoid, and an edge at a connection between the second connector 41 and the second connecting plate 42 is an upper bottom of the second trapezoid.
The second plug 41 and the second connection plate 42 may be an integrally formed steel member. The lower end surface of the second connector 41 and the lower end surface of the second connection plate 42 are welded to the lower connection steel plate 50, and the welding may be performed in a factory.
The shape of the first connector 31 matches the shape of the second receiving slot, and the shape of the second connector 41 matches the shape of the first receiving slot. When the first and second inserting portions 30 and 40 are inserted into each other, the first inserting member 31 is attached to the corresponding second receiving groove, and the second inserting member 41 is attached to the corresponding first receiving groove.
The mutual insertion positions of the first insertion part 30 and the second insertion part 40 are similar to the tenon type special trapezoidal shape design, and the upper insertion part and the lower insertion part at the connection positions are mutually meshed, so that the concrete wall body connection node provided by the embodiment can bear the shearing force applied to the shear wall higher, and the performance is superior. Preferably, the first inserting-connecting part 30 and the second inserting-connecting part 40 can adopt a symmetrical design, so that the first inserting-connecting part 30 and the second inserting-connecting part 40 can share one set of templates, and the production cost can be saved.
A plurality of longitudinal ribs are arranged in the lower prefabricated shear wall body 60. The lower connecting steel plate 50 is provided with a plurality of second plug welding holes corresponding to the longitudinal ribs in the lower prefabricated shear wall body 60, and the longitudinal ribs in the lower prefabricated shear wall body 60 are respectively inserted into the corresponding second plug welding holes in the lower connecting steel plate 50 and are connected with the through holes of the lower connecting steel plate 50 in a plug welding manner.
In this embodiment, the upper and lower connecting steel plates 20 and 50 have the same shape and size.
In this embodiment, the minimum widths of the first receiving groove and the second receiving groove need to be greater than the widths required for welding, so that the constructor can weld the first inserting portion 30 and the upper connection steel plate 20 and weld the second inserting portion 40 and the lower connection steel plate 50 conveniently. In other embodiments, the first connecting portion and the upper connecting steel plate 20 may be integrally formed, and the second connecting portion and the lower connecting steel plate 50 may be integrally formed.
The heights of the first connecting plate 32, the first connector 31, the second connecting plate 42 and the second connector 41 are the same, and the heights are preferably high enough relative to the whole concrete shear wall and at least larger than the total maximum width of the first accommodating groove and the second accommodating groove, which enables the upper prefabricated shear wall body 10 and the lower prefabricated shear wall body 60 to have good cooperative working capability, ensures the stability thereof, and enables the upper prefabricated shear wall and the lower prefabricated shear wall to be combined into a whole.
The connection node between the upper prefabricated shear wall and the lower prefabricated shear wall of the embodiment adopts the steel node, so that the rigidity and the strength of the connection part are ensured. The welding performance of the steel node is reliable, the operation is convenient, and the cast-in-place shear wall can be replaced.
The construction process of the embodiment is as follows:
manufacturing an upper prefabricated shear wall: the first inserting portion 30 is welded with the upper connecting steel plate 20, the portion is pre-buried in a reinforcement cage in the upper prefabricated shear wall, longitudinal ribs in the upper prefabricated shear wall body 10 and the upper connecting steel plate 20 are subjected to hole plug welding through first plug welding holes in the upper connecting steel plate 20, and then concrete is poured to form the upper prefabricated shear wall body 10.
Manufacturing a lower prefabricated shear wall: the second inserting portion 40 is welded with the lower connecting steel plate 50, the portion is pre-buried in a reinforcement cage in the lower prefabricated shear wall, longitudinal ribs in the lower prefabricated shear wall body 60 and the lower connecting steel plate 50 are subjected to hole plug welding through a second plug welding hole in the lower connecting steel plate 50, and then concrete is poured to form the lower prefabricated shear wall body 60.
Assembling on site: the upper prefabricated shear wall and the lower prefabricated shear wall are transported to a construction site, the upper insertion part and the lower insertion part are inserted together, the first plug connector 31 is inserted into the corresponding second accommodating groove, and the second plug connector 41 is inserted into the corresponding first accommodating groove; and then welding the upper connecting steel plate 20 and the lower connecting steel plate 50 to form the final plug-in type prefabricated assembled concrete shear wall.
The steps of manufacturing the upper prefabricated shear wall and the lower prefabricated shear wall are not divided in sequence, and the step of field assembly is the last step.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (9)
1. The plug-in type prefabricated assembly type concrete shear wall is characterized by comprising an upper prefabricated shear wall and a lower prefabricated shear wall;
the upper prefabricated shear wall comprises an upper prefabricated shear wall body, an upper connecting steel plate and a first inserting part; the lower end face of the upper prefabricated shear wall body is connected with the upper end face of the upper connecting steel plate;
the first plug part comprises a first connecting plate and a plurality of first plug connectors; the upper end surface of the first connecting plate is connected with the upper connecting steel plate; the first plug connectors are sequentially arranged on one side of the first connecting plate at intervals, and the upper end faces of the first plug connectors are connected with the upper connecting steel plate; the first connecting plate and the first plug connectors are matched to form a plurality of first accommodating grooves;
the lower prefabricated shear wall comprises a lower prefabricated shear wall body, a lower connecting steel plate and a second inserting part; the upper end surface of the lower prefabricated shear wall body is connected with the lower end surface of the lower connecting steel plate;
the second plug part comprises a second connecting plate and a plurality of second plug connectors corresponding to the first accommodating groove; the lower end face of the second connecting plate is connected with the lower connecting steel plate; the second plug connectors are sequentially arranged on one side of the second connecting plate at intervals, and the lower end faces of the second plug connectors are connected with the lower connecting steel plate; the second connecting plate is matched with the second plug connectors to form a plurality of second accommodating grooves corresponding to the first plug connectors;
in a connection state, the first plug-in part and the second plug-in part are mutually plugged, the first plug-in part is plugged in the corresponding second accommodating groove, and the second plug-in part is plugged in the corresponding first accommodating groove; and the upper connecting steel plate and the lower connecting steel plate are fixedly connected.
2. The prefabricated plug-in fabricated concrete shear wall of claim 1, wherein said first plug-in components are columns having a bottom surface parallel to said upper connector steel plate, and said second plug-in components are columns having a bottom surface parallel to said lower connector steel plate;
the maximum width of the first accommodating groove is larger than the opening width, and the shape of the second plug connector is matched with the shape of the corresponding first accommodating groove; the maximum width of the second accommodating groove is larger than the opening width, and the shape of the first plug connector is matched with the shape of the second accommodating groove.
3. The prefabricated plug-in fabricated concrete shear wall of claim 2,
the first plug connector is a straight prism with a first trapezoidal bottom surface; the edge of the joint of the first plug connector and the first connecting plate is the upper bottom of the first trapezoid;
the second plug connector is a straight prism with a second trapezoid bottom surface; the edge of the joint of the second plug connector and the second connecting plate is the upper bottom of the second trapezoid.
4. The prefabricated plug-in fabricated concrete shear wall of claim 1, wherein said first connecting plate and said second connecting plate are both steel plates and said first plug member and said second plug member are both steel.
5. The prefabricated shear wall of claim 1, wherein said first connector and said first connector plate are integrally formed elements and said second connector plate are integrally formed elements.
6. The prefabricated plug-in fabricated concrete shear wall of claim 4, wherein said first connector plate and said first plug connector are both welded to said upper connector steel plate; the second connecting plate and the second plug connector are both connected with the lower connecting steel plate in a welding mode; the upper connecting steel plate and the lower connecting steel plate are connected in a welding mode.
7. The plug-in prefabricated assembled concrete shear wall of claim 4, wherein a plurality of longitudinal ribs are arranged in the upper prefabricated shear wall body and the lower prefabricated shear wall body;
the upper connecting steel plate is provided with a plurality of first plug welding holes corresponding to the longitudinal ribs in the upper prefabricated shear wall body, and the longitudinal ribs in the upper prefabricated shear wall body are respectively inserted into the corresponding first plug welding holes in the upper connecting steel plate and connected with the upper connecting steel plate through-holes in a plug welding manner;
the lower connecting steel plate is provided with a plurality of second plug welding holes corresponding to the longitudinal ribs in the lower prefabricated shear wall body, and the longitudinal ribs in the lower prefabricated shear wall body are respectively inserted into the corresponding second plug welding holes in the lower connecting steel plate and are connected with the lower connecting steel plate through-holes in a plug welding manner.
8. The prefabricated plug-in fabricated concrete shear wall of claim 1, wherein the first connector plate, the first plug connector, the second connector plate and the second plug connector are all the same height.
9. The plug-in prefabricated assembled concrete shear wall of claim 1, wherein the shape and size of the upper connecting steel plate are the same as the shape and size of the horizontal section of the upper prefabricated shear wall body; the shape and the size of the lower connecting steel plate are the same as those of the horizontal section of the lower prefabricated shear wall body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020396160.3U CN212104658U (en) | 2020-03-25 | 2020-03-25 | Plug-in type prefabricated assembled concrete shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020396160.3U CN212104658U (en) | 2020-03-25 | 2020-03-25 | Plug-in type prefabricated assembled concrete shear wall |
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| Publication Number | Publication Date |
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| CN212104658U true CN212104658U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020396160.3U Active CN212104658U (en) | 2020-03-25 | 2020-03-25 | Plug-in type prefabricated assembled concrete shear wall |
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