CN215759568U - Prefabricated reinforced concrete beam column wedge node - Google Patents
Prefabricated reinforced concrete beam column wedge node Download PDFInfo
- Publication number
- CN215759568U CN215759568U CN202121170312.9U CN202121170312U CN215759568U CN 215759568 U CN215759568 U CN 215759568U CN 202121170312 U CN202121170312 U CN 202121170312U CN 215759568 U CN215759568 U CN 215759568U
- Authority
- CN
- China
- Prior art keywords
- wedge
- precast
- stretch
- shaped
- column
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model provides a prefabricated reinforced concrete beam column wedge-shaped node, and belongs to the technical field of building structures. It includes prefabricated post, precast beam and prestressing tendons, the precast post includes the wedge connector that meets the department setting with the precast beam and the first stretch-draw hole that sets up along width direction, the precast beam includes to extend to inside with the precast beam department of meeting and set up the spread groove and follow the second stretch-draw hole that length direction set up, when cup jointing the wedge connector in the spread groove, the entrance to a cave of first stretch-draw hole and second stretch-draw hole sets up relatively, and first stretch-draw hole and second stretch-draw hole are in on the same straight line, prestressing tendons runs through first stretch-draw hole and second stretch-draw hole. The utility model realizes the dry connection of the precast reinforced concrete beam column by using the connection form of the wedge-shaped connecting piece and the connecting groove, and ensures the effective bearing capacity of the node position. Meanwhile, the connection mode has the advantages of high construction speed, simplicity in operation, no wet operation and no environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of building structures, and relates to a prefabricated reinforced concrete beam-column wedge-shaped node.
Background
At present, the assembled concrete is developed very rapidly in China, and the assembled technology is widely popularized and applied in various places. Various concrete members are prefabricated in a factory and then transported to a construction site for installation. The prefabricated beam and prefabricated column joint of the assembly type frame structure is usually a cast-in-place reinforced concrete joint, the joint has large field wet operation amount and serious environmental pollution, and due to the fact that reinforcing steel bars and supporting templates need to be bound on the field, the construction efficiency is low, and the number of workers is required. Meanwhile, cast-in-place concrete needs to be maintained, the maintenance period is generally not less than one week, and the construction period is very long. Therefore, the research and development of a precast beam column node with high construction speed, high construction efficiency and stable connection performance is a technical problem which is urgently needed to be solved at present.
Disclosure of Invention
The utility model aims to solve the problems and provides a prefabricated reinforced concrete beam-column wedge-shaped node.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a prefabricated reinforced concrete beam column wedge node, including prefabricated post, prefabricated beam and prestressing tendons, prefabricated post includes the wedge connecting piece that meets the department setting with prefabricated beam and the first stretch-draw hole that sets up along width direction, prefabricated beam includes and meets the department with prefabricated post and set up the spread groove and follow the second stretch-draw hole that length direction set up to inside extension, the shape phase-match of wedge connecting piece and spread groove, when cup jointing wedge connecting piece in the spread groove, the entrance to a cave of first stretch-draw hole and second stretch-draw hole sets up relatively, and first stretch-draw hole and second stretch-draw hole are in on the same straight line, prestressing tendons runs through first stretch-draw hole and second stretch-draw hole.
In the prefabricated reinforced concrete beam column wedge-shaped node, the first tensioning hole extends outwards along the length direction to form a connecting pipe, the opening end of the second tensioning hole extends outwards along the radial direction to form a mounting hole, the diameter of the mounting hole is larger than that of the second tensioning hole, and when the prefabricated column and the prefabricated beam are spliced, the connecting pipe is sleeved in the mounting hole.
In the prefabricated reinforced concrete beam column wedge-shaped node, corrugated pipes with concave-convex corrugations are arranged on the inner walls of the first tensioning hole and the second tensioning hole, concave-convex corrugations are arranged on the outer side wall of the prestressed tendon, and bonding mortar is filled between the prestressed tendon and the corrugated pipes.
In the prefabricated reinforced concrete beam column wedge-shaped joint, a gap is formed between the wedge-shaped connecting piece and the connecting groove, and mortar is filled in the gap.
In the prefabricated reinforced concrete beam column wedge-shaped joint, the wedge-shaped connecting piece comprises a first wedge-shaped surface and a second wedge-shaped surface which are mutually intersected, and the included angle between the first wedge-shaped surface and the second wedge-shaped surface is 60-120 degrees; the connecting groove comprises a third wedge-shaped surface and a fourth wedge-shaped surface which are mutually intersected, and an included angle between the third wedge-shaped surface and the fourth wedge-shaped surface is the same as an included angle between the first wedge-shaped surface and the second wedge-shaped surface.
In the prefabricated reinforced concrete beam column wedge-shaped joint, the included angle between the first wedge-shaped surface and the second wedge-shaped surface is 90 degrees.
In the prefabricated reinforced concrete beam column wedge-shaped joint, the fourth wedge-shaped surface is positioned on the lower side of the third wedge-shaped surface, the fourth wedge-shaped surface is provided with a plurality of grooves extending inwards, the second wedge-shaped surface is provided with convex parts matched with the shapes of the grooves, and when the wedge-shaped connecting piece is sleeved in the connecting groove, the fourth wedge-shaped surface is opposite to the second wedge-shaped surface, and the convex parts are sleeved in the grooves.
In foretell prefabricated reinforced concrete beam column wedge node, the wedge connecting piece includes the connecting rod that wedge-shaped face and wedge-shaped face slot end set up, and the slot end of spread groove sets up the spacing groove, and when the wedge-shaped face cup jointed in the spread groove, the connecting rod cup jointed in the spacing inslot.
In foretell prefabricated reinforced concrete beam column wedge node, prefabricated post still sets up the support angle steel, and the support angle steel is established at the downside of wedge connecting piece, and the support angle steel still includes to bury in advance in the first limit of prefabricated post, support in the second limit and the stiffening rib steel sheet of prefabricated roof beam downside, welds the stiffening rib steel sheet between first limit and the second limit.
In the prefabricated reinforced concrete beam column wedge-shaped node, two opposite side walls of the prefabricated column are provided with supporting angle steels, and the two supporting angle steels are fixed through welding reinforcing steel bars.
Compared with the prior art, the utility model has the advantages that:
the utility model realizes the dry connection of the precast reinforced concrete beam column by using the connection form of the wedge-shaped connecting piece and the connecting groove, and ensures the effective bearing capacity of the node position. Meanwhile, the connection mode has the advantages of high construction speed, simplicity in operation, no wet operation and no environmental pollution.
The utility model applies prestress on the wedge-shaped connecting piece and the wedge surface of the connecting groove to firmly fix the prefabricated beam column together, thereby realizing the rigid connection of the beam column node and ensuring the structural stability and the safety of the node.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a prefabricated column.
Fig. 3 is a schematic structural view of a precast beam.
Fig. 4 is a schematic view of the installation of the bellows.
Fig. 5 is a schematic view of the structure of the connection pipe.
Fig. 6 is a schematic view of the structure of the mounting hole.
Fig. 7 is a schematic structural view of the convex portion.
Fig. 8 is a schematic view of the structure of the groove.
Fig. 9 is a schematic structural view of the connecting rod.
Fig. 10 is a schematic structural view of a spacing groove.
Fig. 11 is a schematic structural view of the support angle.
In the figure: the prefabricated column comprises a prefabricated column 1, a prefabricated beam 2, a prestressed tendon 3, a wedge-shaped connecting piece 4, a first tensioning hole 5, a connecting groove 6, a second tensioning hole 7, a connecting pipe 8, a mounting hole 9, a corrugated pipe 10, a first wedge-shaped surface 11, a second wedge-shaped surface 12, a third wedge-shaped surface 13, a fourth wedge-shaped surface 14, a groove 15, a convex portion 16, a wedge-shaped surface 17, a connecting rod 18, a limiting groove 20, support angle steel 21, a first edge 22, a second edge 23, a stiffening rib steel plate 24 and a reinforcing steel bar 25.
Detailed Description
The present invention is further illustrated by the following specific examples.
As shown in fig. 1-3, a prefabricated reinforced concrete beam-column wedge-shaped node comprises a prefabricated column 1, a prefabricated beam 2 and a prestressed tendon 3, wherein the prefabricated column 1 comprises a wedge-shaped connecting piece 4 arranged at the joint with the prefabricated beam 2 and a first tensioning hole 5 arranged along the width direction, the prefabricated beam 2 comprises a connecting groove 6 arranged at the joint with the prefabricated column 1 and extending inwards and a second tensioning hole 7 arranged along the length direction, the shapes of the wedge-shaped connecting piece 4 and the connecting groove 6 are matched, when the wedge-shaped connecting piece 4 is sleeved in the connecting groove 6, the openings of the first tensioning hole 5 and the second tensioning hole 7 are arranged oppositely, the first tensioning hole 5 and the second tensioning hole 7 are positioned on the same straight line, and the prestressed tendon 3 penetrates through the first tensioning hole 5 and the second tensioning hole 7.
In the embodiment, the connecting surfaces of the precast columns 1 and the precast beams 2 are arranged to be in a wedge surface shape for splicing, and then the prestressed tendons 3 are utilized to apply prestress. The connecting node of the prefabricated column 1 and the prefabricated beam 2 is in a wedge surface shape, the prestressed tendons 3 are matched with the structure penetrating through the first tensioning holes 5 and the second tensioning holes 7, the shearing resistance and bending resistance bearing capacity of the node position can be effectively guaranteed, and due to the fact that wet operation does not exist on the site, the construction speed is high, and operation is simple.
As shown in fig. 5-6, in a preferred embodiment, the first tensioning hole 5 extends outward along the length direction to form a connecting pipe 8, the open end of the second tensioning hole 7 extends outward along the radial direction to form a mounting hole 9, the diameter of the mounting hole 9 is greater than that of the second tensioning hole 7, and when the precast column 1 and the precast beam 2 are spliced, the connecting pipe 8 is sleeved in the mounting hole 9. The connecting pipe 8 that the outside extension of length direction of first trompil hole 5 set up cup joints in mounting hole 9, can pinpoint the fixed of precast column 1 and precast beam 2. After the splicing of the prefabricated column 1 and the prefabricated beam 2 is completed, the wedge-shaped connecting piece 4 is connected into the connecting groove 6 in a clamped mode, the mounting hole 9 provides supporting force in the horizontal direction for the splicing of the wedge-shaped surface, and the firmness of the connecting node of the prefabricated column 1 and the prefabricated beam 2 is reinforced.
As shown in fig. 4, in a preferable scheme, corrugated pipes 10 with concave-convex corrugations are arranged on the inner walls of the first tensioning hole 5 and the second tensioning hole 7, concave-convex corrugations are arranged on the outer side walls of the prestressed tendons 3, and bonding mortar is filled between the prestressed tendons 3 and the corrugated pipes 10. The corrugated pipe 10 with concave-convex corrugations is arranged on the inner wall pre-buried in the first tensioning hole 5 and the second tensioning hole 7, so that the friction force of the prestressed tendons 3 sleeved in the first tensioning hole 5 and the second tensioning hole 7 is increased, and the shearing resistance and bending resistance bearing capacity of the node position can be effectively guaranteed.
In the preferred scheme, a gap is arranged between the wedge-shaped connecting piece 4 and the connecting groove 6, and mortar is filled in the gap.
As shown in fig. 2 and 3, the dovetail connector 4 preferably includes a first wedge-face 11 and a second wedge-face 12 intersecting each other, and an included angle between the first wedge-face 11 and the second wedge-face 12 is 60 ° to 120 °; the connecting groove 6 comprises a third 13 and a fourth 14 wedge surface intersecting each other and the angle between the third 13 and the fourth 14 wedge surface is the same as the angle between the first 11 and the second 12 wedge surface. When the included angle between the first wedge-shaped surface 11 and the second wedge-shaped surface 12 is 60 degrees to 120 degrees, effective bearing capacity is provided for the node position. Preferably, the angle between the first wedge-facet 11 and the second wedge-facet 12 is 90 °.
As shown in fig. 7 and 8, preferably, the fourth wedge surface 14 is located at the lower side of the third wedge surface 13, the fourth wedge surface 14 is provided with a plurality of grooves 15 extending inwards, the second wedge surface 12 is provided with protrusions 16 matching with the shapes of the grooves 15, when the wedge-shaped connecting piece 4 is sleeved in the connecting groove 6, the fourth wedge surface 14 is opposite to the second wedge surface 12, and the protrusions 16 are sleeved in the grooves 15. The structure of the convex part 16 is sleeved in the groove 15 formed by inwards extending the fourth wedge-shaped surface 14, so that the horizontal supporting force is provided for splicing the wedge-shaped surfaces of the wedge-shaped connecting piece 4 and the connecting groove 6, the prefabricated column 1 and the prefabricated beam 2 are firmly fixed together, and the structural stability and the safety of the node are guaranteed.
As shown in fig. 9 and 10, in a preferred embodiment, the wedge connector 4 includes a wedge surface 17 and a connecting rod 18 disposed at a narrow end of the wedge surface 17, a limiting groove 20 is disposed at a narrow end of the connecting groove 6, and when the wedge surface 17 is sleeved in the connecting groove 6, the connecting rod 18 is sleeved in the limiting groove 20. The connecting rod 18 that the wedge 17 narrow mouth end set up cup joints in spread groove 6, has carried out accurate location for the in-process that the wedge connecting piece 4 cup jointed in spread groove 6 on the one hand. On the other hand, the supporting force in the horizontal direction is provided for splicing the wedge-shaped surfaces of the wedge-shaped connecting piece 4 and the connecting groove 6, and the structural stability and the safety of the node are guaranteed.
As shown in fig. 1 and 11, preferably, the precast column 1 is further provided with a support angle 21, the support angle 21 is arranged at the lower side of the wedge-shaped connecting piece 4, the support angle 21 further comprises a first edge 22 pre-buried in the precast column 1, a second edge 23 supported at the lower side of the precast beam 2, and a stiffening rib steel plate 24, and the stiffening rib steel plate 24 is welded between the first edge 22 and the second edge 23. The prefabricated column 1 and the prefabricated beam 2 are spliced by wedge-shaped surfaces at the connecting nodes, the prestressed tendons 3 penetrate through the first tensioning holes 5 and the second tensioning holes 7 to be reinforced, and the supporting angle steel 21 is adopted to fix the prefabricated column 1 and the prefabricated beam 2 in a matching mode, so that the shearing resistance and bending resistance bearing capacity of the node positions can be effectively guaranteed, and the prefabricated column 1 and the prefabricated beam 2 are firmly fixed together. And the construction process does not need wet operation, the operation is simple, and the construction efficiency is guaranteed.
As shown in fig. 1, preferably, two opposite side walls of the precast column 1 are provided with support angle steels 21, and the two support angle steels 21 are fixed by welding reinforcing steel bars 25. Fixed through welded steel 25 between two angle steel 21, further strengthened the fixed between prefabricated post 1 and precast beam 2, ensured the structural stability and the security of node.
The working process of the embodiment is as follows: (1) and in the process of producing the precast column 1, the convex wedge-shaped connecting piece 4 is precast by the splicing surface for connecting the precast beams 2. And the corresponding position of the precast beam 2 is precast into a connecting groove 6 which is concave inwards and is in a wedge-shaped surface. (2) And reserving a first tensioning hole 5 and a second tensioning hole 7. Simultaneously, support angle steels 21 are pre-buried on the prefabricated column 1, the support angle steels 21 are arranged on two opposite side walls of the prefabricated column 1, and the two support angle steels 21 are fixed through welding reinforcing steel bars 25. (3) Before the precast beam 2 is installed, mortar is coated on the surfaces of the connecting groove 6 and the wedge-shaped connecting piece 4. After the precast beam 2 is installed in place, the prestressed tendons 3 penetrate through the first tensioning holes 5 and the second tensioning holes 7 for tensioning and fixing, and bonding mortar is filled in the first tensioning holes 5 and the second tensioning holes 7 after the tensioning and fixing are completed.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides a prefabricated reinforced concrete beam column wedge node which characterized in that: including prefabricated post (1), precast beam (2) and prestressing tendons (3), precast beam (1) include with prefabricated beam (2) meet wedge connector (4) that the department set up and first stretch-draw hole (5) that set up along width direction, precast beam (2) include with prefabricated post (1) meet department to inside extend set up spread groove (6) and second stretch-draw hole (7) that set up along length direction, the shape phase-match of wedge connector (4) and spread groove (6), when cup jointing wedge connector (4) in spread groove (6), the entrance to a cave of first stretch-draw hole (5) and second stretch-draw hole (7) sets up relatively, and first stretch-draw hole (5) and second stretch-draw hole (7) are in same straight line, prestressing tendons (3) run through first stretch-draw hole (5) and second stretch-draw hole (7).
2. The wedge-shaped node of the precast reinforced concrete beam column according to claim 1, wherein a connecting pipe (8) is arranged in the first tensioning hole (5) in a manner of extending outwards along the length direction, a mounting hole (9) is arranged in the second tensioning hole (7) in a manner of extending outwards along the radial direction, the diameter of the mounting hole (9) is larger than that of the second tensioning hole (7), and when the precast column (1) and the precast beam (2) are spliced, the connecting pipe (8) is sleeved in the mounting hole (9).
3. The precast reinforced concrete beam-column wedge-shaped node according to claim 1, wherein corrugated pipes (10) with concave-convex corrugations are arranged on the inner walls of the first tensioning holes (5) and the second tensioning holes (7), concave-convex corrugations are arranged on the outer side walls of the prestressed tendons (3), and bonding mortar is filled between the prestressed tendons (3) and the corrugated pipes (10).
4. The wedge-shaped node of the precast reinforced concrete beam column according to claim 1, wherein a gap is provided between the wedge-shaped connecting member (4) and the connecting groove (6), and mortar is filled in the gap.
5. The precast reinforced concrete beam-column wedge node according to claim 1, wherein the wedge connector (4) comprises a first wedge surface (11) and a second wedge surface (12) which intersect each other, and an included angle between the first wedge surface (11) and the second wedge surface (12) is 60-120 °; the connecting groove (6) comprises a third wedge surface (13) and a fourth wedge surface (14) which are mutually intersected, and an included angle between the third wedge surface (13) and the fourth wedge surface (14) is the same as an included angle between the first wedge surface (11) and the second wedge surface (12).
6. The precast reinforced concrete beam-column wedge node according to claim 5, wherein an included angle between the first wedge surface (11) and the second wedge surface (12) is 90 °.
7. The wedge-shaped node of the precast reinforced concrete beam column as claimed in claim 5, wherein a fourth wedge surface (14) is located at the lower side of the third wedge surface (13), the fourth wedge surface (14) is provided with a plurality of grooves (15) extending inwards, the second wedge surface (12) is provided with protrusions (16) matched with the shapes of the grooves (15), when the connecting groove (6) is internally sleeved with the wedge-shaped connecting piece (4), the fourth wedge surface (14) is opposite to the second wedge surface (12), and the protrusions (16) are sleeved in the grooves (15).
8. The wedge-shaped node of the precast reinforced concrete beam column as claimed in claim 1, wherein the wedge-shaped connecting piece (4) comprises a wedge-shaped surface (17) and a connecting rod (18) arranged at the narrow end of the wedge-shaped surface, a limiting groove (20) is arranged at the narrow end of the connecting groove (6), and when the wedge-shaped surface (17) is sleeved in the connecting groove (6), the connecting rod (18) is sleeved in the limiting groove (20).
9. The wedge-shaped node of the precast reinforced concrete beam column according to claim 1, wherein the precast column (1) is further provided with a support angle steel (21), the support angle steel (21) is arranged at the lower side of the wedge-shaped connecting member (4), the support angle steel (21) further comprises a first edge (22) pre-buried in the precast column (1), a second edge (23) supported at the lower side of the precast beam (2) and a stiffening rib steel plate (24), and the stiffening rib steel plate (24) is welded between the first edge (22) and the second edge (23).
10. The wedge-shaped node of the precast reinforced concrete beam column as claimed in claim 9, wherein two opposite side walls of the precast column (1) are provided with support angle steels (21), and the two support angle steels (21) are fixed by welding steel bars (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121170312.9U CN215759568U (en) | 2021-05-28 | 2021-05-28 | Prefabricated reinforced concrete beam column wedge node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121170312.9U CN215759568U (en) | 2021-05-28 | 2021-05-28 | Prefabricated reinforced concrete beam column wedge node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215759568U true CN215759568U (en) | 2022-02-08 |
Family
ID=80098431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121170312.9U Expired - Fee Related CN215759568U (en) | 2021-05-28 | 2021-05-28 | Prefabricated reinforced concrete beam column wedge node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215759568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960936A (en) * | 2022-04-06 | 2022-08-30 | 南通苏中建设有限公司 | Prefabricated frame beam column assembled nodal connection device |
-
2021
- 2021-05-28 CN CN202121170312.9U patent/CN215759568U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960936A (en) * | 2022-04-06 | 2022-08-30 | 南通苏中建设有限公司 | Prefabricated frame beam column assembled nodal connection device |
| CN114960936B (en) * | 2022-04-06 | 2023-11-24 | 南通苏中建设有限公司 | Prefabricated frame beam column assembly type node connecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2020101918A4 (en) | Fabricated beam-to-column joint and construction method | |
| CN109537726B (en) | Rectangular steel pipe column-H steel beam full-bolt connection semi-rigid joint and construction method | |
| KR101178381B1 (en) | Steel-concrete hybrid column using square shaped steel pipe and manufacturing method thereof | |
| KR102079008B1 (en) | E-z connecting structure for beam and column wherein the end-moment and bending resistibility are reinforced | |
| CN109403545B (en) | High-assembly-rate steel pipe concrete frame structure system and connection method | |
| WO2019100798A1 (en) | Fabricated building structure having combined steel structure and concrete structure, and construction method | |
| CN111255115A (en) | Node prefabricated assembly type shear wall structure | |
| WO2016004887A1 (en) | Lightweight steel structure residential framework system | |
| CN215759568U (en) | Prefabricated reinforced concrete beam column wedge node | |
| CN113585456B (en) | Precast concrete beam column connection node structure and construction method | |
| CN114135000A (en) | Assembled beam-column connecting joint partially wrapped with U-shaped steel and construction method thereof | |
| CN112282047B (en) | Connecting structure and connecting method for assembled composite floor slab and composite wallboard | |
| CN211114081U (en) | Z-shaped double-splint node assembly type H-shaped steel beam square steel pipe column steel structure system | |
| CN113513107B (en) | Assembled integral mortise-tenon joint multi-cavity steel plate combined shear wall and manufacturing method thereof | |
| CN215926271U (en) | Precast concrete beam column connected node structure | |
| CN215759659U (en) | Honeycomb type precast beam column prestressing force dry-type connected node | |
| CN213233786U (en) | Precast concrete beam column connected node device | |
| CN213233789U (en) | Assembled prefabricated beam column connected node | |
| CN213143495U (en) | Assembled integral tenon-and-mortise connection modular multi-cavity steel plate combined shear wall | |
| CN114293686A (en) | Profiled steel reinforced concrete combined shear wall, connecting joint and construction method | |
| CN210288797U (en) | Vertical intermediate layer rubber pad connected node that sets up of assembled concrete shear wall structure | |
| CN210712505U (en) | Shallow slot type connection structure of steel plate combination beam and steel plate combination beam | |
| CN211421537U (en) | Assembled floor based on reinforced concrete frame structure | |
| CN114622655A (en) | Connecting structure of special-shaped steel pipe concrete column and H-shaped steel beam | |
| CN215054188U (en) | Horizontal connection structure of assembled shear force wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |