CN210947263U

CN210947263U - Post-cast ECC prefabricated steel plate concrete shear wall

Info

Publication number: CN210947263U
Application number: CN201921622199.6U
Authority: CN
Inventors: 李秀领; 鲁西; 吕相蓉; 丁经伟; 陈柯臻; 吴睿; 李珊珊
Original assignee: Shandong Jianzhu University
Current assignee: Shandong Jianzhu University
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-07
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a precast assembled steel sheet concrete shear force wall of ECC is watered after, including left precast wall and right precast wall, it is equipped with left steel sheet to inlay in the precast wall of a left side, the right side of left side steel sheet is provided with the bulge, the bulge is provided with coupling groove, it is equipped with right steel sheet to inlay in the precast wall of the right side, the left side of right side steel sheet is provided with convex connection arch, coupling groove constitutes grafting subassembly with connection arch, the grafting subassembly outside is provided with the ECC of watering after, the ECC of watering after is connected left precast wall and right precast wall as a whole. The shear wall has the characteristics of high bearing capacity, strong deformability, simple construction, good earthquake resistance and the like.

Description

Post-cast ECC prefabricated steel plate concrete shear wall

Technical Field

The utility model relates to a building engineering field, concretely relates to precast assembled steel sheet concrete shear force wall of ECC is watered after.

Background

The shear wall structure has high bearing capacity and lateral movement resistance rigidity, can effectively resist horizontal shear force and has good anti-seismic performance. The assembled steel plate shear wall structure has the advantages of saving labor cost, reducing noise and dust pollution on a construction site, shortening construction period, better controlling product quality, high production efficiency, high material utilization rate and the like, and is widely applied to the field of buildings. The existing assembled shear wall structure has the defects that the rigidity of a prefabricated wall body is high, and the requirement on a connection node of the prefabricated wall body is high due to the fact that the seismic force borne by the wall body is large under the action of an earthquake; the joint connection construction is complex, and the construction quality is difficult to ensure. The existing node connection mode of the steel plate concrete shear wall mainly comprises a cast-in-place mode and an assembly mode, and the cast-in-place mode has the problems of large wet operation amount, long construction period, low efficiency, template waste, serious dust pollution and the like; the assembled type construction problem that grouting is not compact exists.

Disclosure of Invention

To the problem, the utility model discloses a post-cast ECC prefabricated steel plate concrete shear force wall, this shear force wall have bearing capacity height, deformability strong, the construction is more simple and convenient, characteristics such as anti-seismic performance is good.

The utility model provides a precast assembled steel sheet concrete shear force wall of ECC is watered after, includes left prefabricated wall and right prefabricated wall, it is equipped with left steel sheet to inlay in the prefabricated wall of a left side, the right side of left side steel sheet is provided with the bulge, the bulge is provided with connecting groove, it is equipped with right steel sheet to inlay in the prefabricated wall of the right side, the left side of right side steel sheet is provided with convex connection arch, connecting groove constitutes grafting subassembly with connection arch, the grafting subassembly outside is provided with the ECC of watering after, it is a whole with left prefabricated wall and right prefabricated wall connection to water the ECC after.

Preferably, the coupling groove and the coupling protrusion are coupled by a bolt.

Preferably, the number of the bolts is eight, and the inserting components are arranged in a left-right symmetrical mode.

Preferably, gaps for pouring the ECC are formed between the upper space and the lower space of the plug assembly and the left prefabricated wall and between the upper space and the lower space of the plug assembly and the right prefabricated wall.

Preferably, the plug assembly is rectangular, and the gap is trapezoidal.

The beneficial effects of the utility model

1. The bearing capacity is high: the left prefabricated wall and the right prefabricated wall are internally embedded with steel plates, and the joint of the left prefabricated wall and the right prefabricated wall is anchored by bolts.

2. The deformability is good: the ductility of the wall body can be improved by post-pouring ECC.

3. The earthquake resistance is good: the right prefabricated wall bulge is inserted into the left prefabricated wall groove and anchored through the bolt, and meanwhile, the residual part is subjected to post-pouring to form the ECC with good energy consumption performance, so that the anti-seismic performance of the wall body is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a schematic view of a left prefabricated wall;

FIG. 3 is a diagram of a right prefabricated wall structure;

FIG. 4 is a structure diagram of the left and right prefabricated walls after being connected by bolts;

in the figure, 1, a concrete wall is prefabricated; 2. a left steel plate; 3. post-cast ECC; 4. a right steel plate; 5. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it should be understood that the terms "inside", "outside", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in fig. 1-4, a steel plate is embedded in an existing precast concrete wall 1, a left steel plate 2 is embedded in the left precast wall, a right steel plate 4 is embedded in the right precast wall, a rectangular protruding portion is arranged on the right side of the left steel plate 2, a connecting groove is arranged on the right side of the protruding portion, a rectangular protruding connecting protrusion is arranged on the left side of the right steel plate, the thickness of the connecting protrusion is smaller than that of the connecting groove, the outer dimension of the connecting protrusion is matched with that of the connecting groove, the connecting groove and the connecting protrusion form a splicing assembly, the splicing assembly is connected by bolts, the bolts are eight and are arranged on the splicing assembly in a bilateral symmetry mode, namely four bolts are arranged on the left and right, the bolts adopt an anchoring mode, and the strength grade is preferably 12.9 grade. Gaps for pouring ECC are formed between the upper space and the lower space of the plug-in assembly and the left prefabricated wall and between the upper space and the lower space of the plug-in assembly and the right prefabricated wall, and the gaps are trapezoidal. And a post-cast ECC3 is arranged outside the plug assembly and connects the left prefabricated wall and the right prefabricated wall into a whole.

The steel plates are embedded in the left prefabricated wall and the right prefabricated wall, and the joints of the left prefabricated wall and the right prefabricated wall are anchored by bolts, so that the shear wall has high bearing capacity. The left prefabricated wall and the right prefabricated wall are connected into a whole through the post-cast ECC, and the ductility of the wall body can be improved. The right prefabricated wall bulge is inserted into the left prefabricated wall groove and anchored through the bolt, and meanwhile, the residual part is subjected to post-pouring to form the ECC with good energy consumption performance, so that the anti-seismic performance of the wall body is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a precast assembled steel sheet concrete shear force wall of ECC is watered after, includes left precast wall and right precast wall, its characterized in that, left side precast wall inlays in and is equipped with left steel sheet, the right side of left side steel sheet is provided with the bulge, the bulge is provided with connecting groove, the right side precast wall inlays in and is equipped with right steel sheet, the left side of right steel sheet is provided with convex connection arch, connecting groove constitutes the grafting subassembly with the connection arch, the grafting subassembly outside is provided with the ECC of watering after, the ECC of watering after is connected left precast wall and right precast wall as a whole.

2. The post-cast ECC precast assembled steel plate concrete shear wall of claim 1, wherein the connecting groove and the connecting protrusion are connected by a bolt.

3. The post-cast ECC precast assembled steel plate concrete shear wall of claim 2, wherein the number of the bolts is eight, and the bolts are arranged on the plug-in components in a bilateral symmetry manner.

4. The post-cast ECC precast assembled steel plate concrete shear wall of claim 1, wherein gaps for ECC casting are formed between the upper and lower spaces of the plug assemblies and the left and right precast walls.

5. The post-cast ECC precast assembled steel plate concrete shear wall of claim 4, wherein the plug assemblies are rectangular and the gaps are trapezoidal.