CN205840047U - A kind of precast shear wall novel perps attachment structure - Google Patents

Abstract

This utility model provides a kind of precast shear wall novel perps attachment structure, including left side precast shear wall, the pre-buried shaped steel in left side, right side precast shear wall, the pre-buried shaped steel in right side and bolt；The pre-buried shaped steel in left side includes left side preburying part and left side connecting portion, left side connecting portion includes the edge of a wing, left side, the edge of a wing, right side and web, the edge of a wing, left side is connected by web with the edge of a wing, right side, left side preburying part is embedded in the precast shear wall of left side in advance, left side precast shear wall is fixed on the edge of a wing, left side, and web offers bolt hole；The pre-buried shaped steel in right side includes right side preburying part and right side connecting portion, and right side connecting portion includes that channel-section steel and connecting plate, right side preburying part are embedded in the precast shear wall of right side in advance, and channel-section steel is fixed on right side precast shear wall, and connecting plate offers fixing hole；The edge of a wing, right side is arranged in channel-section steel, is fixed with connecting plate by web by bolt, bolt hole and fixing hole.This utility model easy construction, globality and anti-earthquake ductility are good.

Description

A new vertical joint connection structure of prefabricated shear walls

technical field

The utility model relates to a novel vertical joint connection structure of a prefabricated shear wall, which belongs to the technical field of prefabricated assembled concrete structures in civil engineering.

Background technique

For a long time, my country's concrete buildings mostly adopt the traditional operation method of on-site construction, which has a low degree of industrialization, high energy consumption, heavy pollution, and long working cycle, which does not conform to the sustainable development policy of the national energy conservation, emission reduction and environmental protection. The use of prefabricated concrete structures not only conforms to the general trend of building industrialization and housing industrialization, but also can effectively improve the efficiency of materials in building energy saving and structural performance, reduce construction waste and adverse impacts on the environment, so as to achieve energy saving and emission reduction, green Construction Sustainability Policy.

For prefabricated concrete structures, reliable vertical connection is one of the key technologies to make such structures have sufficient bearing capacity, stiffness, ductility and good integrity. The vertical joint connection method of the general prefabricated shear wall structure is formed by reserving steel bars on the side of the prefabricated shear wall, connecting with the longitudinally stressed steel bars at the vertical joint position, and then passing through the vertical formwork and pouring concrete into the formwork. This type of prefabricated shear wall vertical joint connection method has the following problems: it is difficult to connect the steel bars, and the vertical formwork is required to pour the concrete again. Structural integrity and mechanical performance. In addition, structures formed in this way are difficult to disassemble and replace parts after damage by earthquakes and the like.

Contents of the invention

The technical problem to be solved by the utility model is to provide a new type of vertical joint connection structure for prefabricated shear walls, which has fast connection speed, convenient construction, firm connection, detachability, good integrity and seismic ductility.

The utility model is achieved in that:

A new type of vertical joint connection structure for prefabricated shear walls, comprising a left prefabricated shear wall, a left prefabricated steel section, a right prefabricated shear wall, a right side prefabricated section steel and a plurality of bolts; The side embedded section steel includes a left embedded part and a left connecting part, and the left connecting part includes a left flange, a right flange and a web, and the left flange and the The right flange is connected by the web, the left embedded part is embedded in the left prefabricated shear wall, and the left flange is fixed to one side of the left prefabricated shear wall , the web plate is provided with a plurality of bolt holes; the right embedded section steel includes a right embedded part and a right connecting part, and the right connecting part includes a channel steel and a connecting plate, so The right pre-embedded part is pre-embedded in the right prefabricated shear wall, the channel steel is fixed on one side of the right prefabricated shear wall, and a plurality of fixing holes are opened on the connecting plate; The right flange is clamped in the channel steel, and the web is fixedly connected to the connecting plate through the bolt, the bolt hole and the fixing hole.

Further, the left connecting part is I-shaped steel, and the length of the right flange is shorter than that of the left flange.

Further, the channel steel is a groove, the size of the groove matches the size of the right side flange, and the right side flange just fits in the groove.

Further, the sections of the left embedded steel section and the right embedded section steel along the height direction are the same section, and along the height of the left prefabricated shear wall and the right prefabricated shear wall continuous setting.

The utility model has the advantages that: by inserting the pre-embedded section steel on the left side into the pre-embedded section steel on the right side and fixing them with bolts, there is no need to bind steel bars, install formwork and pour concrete during the construction process, so the process is simple, the construction is convenient, and the connection speed is very fast. Fast, less labor required, good quality, environmentally friendly and detachable, the bolt connection prevents the displacement of the steel plate, the connection is reliable, and the positioning is convenient; the connection adopts the left pre-embedded steel and the right pre-embedded steel, which greatly improves the seismic ductility . The structure of the embedded section steel on the left side and the embedded section steel on the right side is simple, and it is convenient to process in the prefabricated component factory. The pre-embedded section steel on the left side and the pre-embedded section steel on the right side are continuous along the height direction of the prefabricated shear wall on the left side and the pre-embedded shear wall on the right side, and the integrity and mechanical performance are superior. This connection form can be used in prefabricated assembly shear wall structure and prefabricated assembly frame-shear wall structure system.

Description of drawings

The utility model will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is a perspective view of a novel vertical joint connection structure of a prefabricated shear wall of the present invention.

Fig. 2 is a plan view of a novel vertical joint connection structure of a prefabricated shear wall of the present invention.

Fig. 3 is a perspective view of the left prefabricated shear wall and the left pre-embedded section steel in the utility model.

Fig. 4 is a perspective view of the right prefabricated shear wall and the right pre-embedded section steel in the utility model.

Explanation of symbols in the figure:

1—left prefabricated shear wall, 2—left embedded steel, 21—left connecting part, 211—left flange, 212—right flange, 213—web plate, 22—bolt hole, 3— Prefabricated shear wall on the right side, 4—embedded section steel on the right side, 41—connecting part on the right side, 411—channel steel, 411a—groove, 412—connecting plate, 42—fixing hole, 5—bolt.

detailed description

The utility model will be further described in detail below in conjunction with specific embodiments, but the structure of the utility model is not limited to the following examples.

Please refer to Figures 1 to 4, a new type of vertical joint connection structure for prefabricated shear walls of the present utility model, including a left prefabricated shear wall 1, a left pre-embedded section steel 2, a right prefabricated shear wall Wall 3, a right embedded section steel 4 and a plurality of bolts 5; the left embedded section steel 2 includes a left embedded section (not shown) and a left connecting section 21, the left connecting section 21 includes a left flange 211, a right flange 212 and a web 213, the left flange 211 and the right flange 212 are connected through the web 213, and the left embedded part is pre-buried in the left prefabricated shear wall 1, the left flange 211 is fixed on one side of the left prefabricated shear wall 1, and a plurality of a bolt hole 22; the right embedded section 4 includes a right embedded part (not shown) and a right connecting part 41, and the right connecting part 41 includes a channel steel 411 and a connecting plate 412 , the right prefabricated part is embedded in the right prefabricated shear wall 3, the channel steel 411 is fixed on one side of the right prefabricated shear wall 3, and the connecting plate 412 is along the A plurality of fixing holes 42 are opened in the height direction; the right side flange 212 is clamped in the channel steel 411, and the web is fixed through the bolt 5, the bolt hole 22 and the fixing hole 42. 213 is fixedly connected with the connecting plate 412.

Further, the left connecting part 21 is I-shaped steel, the length of the right flange 212 is shorter than that of the left flange 211, and the length of the left flange 211 and the right flange 212 is The thickness can be the same or different.

Further, the channel steel 411 is a groove 411a, the size of the groove 411a matches the size of the right side flange 212, and the size of the groove 411a matches the size of the right side flange 212 If it is slightly larger, the right side flange 212 can be locked in the groove 411a.

Further, the sections of the left embedded steel section 2 and the right embedded section steel 4 along the height direction are equal sections, and along the left prefabricated shear wall 1 and the right precast shear wall The height of the wall 3 is continuously set, and the left embedded section steel 2 and the right embedded section steel 4 can be formed by cold bending, welding or rolling of steel plates.

In summary, the utility model has the following advantages:

By inserting the left pre-embedded steel 2 into the right pre-embedded steel 4, and using bolts 5 to fix it, there is no need to bind steel bars, install formwork and pour concrete during the construction process, so the process is simple, the construction is convenient, the connection speed is fast, and the required Less labor force, good quality, environmentally friendly and detachable, the connection of bolt 5 prevents the displacement of the steel plate, the connection is reliable, and the positioning is convenient; the joint adopts the embedded steel 2 on the left and the embedded steel 4 on the right, which greatly improves the seismic ductility. The structure of the embedded section steel 2 on the left and the embedded section steel 4 on the right is simple and easy to process in the prefabricated component factory. The left pre-embedded steel 2 and the right pre-embedded steel 4 are continuous along the height direction of the left prefabricated shear wall 1 and the right pre-embedded shear wall 3, and the integrity and mechanical performance are superior. This connection form can be used in prefabricated assembly shear wall structure and prefabricated assembly frame-shear wall structure system.

Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that the specific embodiments we describe are only illustrative, rather than used to limit the scope of the present utility model. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present utility model shall fall within the protection scope of the claims of the present utility model.

Claims (4)

1. A novel vertical joint connection structure for prefabricated shear walls, characterized in that: it comprises a left prefabricated shear wall, a left prefabricated section steel, a right side prefabricated shear wall, a right side prefabricated section steel and plural bolts; the left embedded steel section includes a left embedded part and a left connecting part, and the left connecting part includes a left flange, a right flange and a web, and the left The side flange and the right flange are connected through the web, the left embedded part is embedded in the left prefabricated shear wall, and the left flange is fixed to the left prefabricated shear wall. On one side of the shear wall, a plurality of bolt holes are opened on the web; the right embedded section steel includes a right embedded part and a right connecting part, and the right connecting part includes a channel steel and a connecting plate, the right pre-embedded part is pre-embedded in the right prefabricated shear wall, the channel steel is fixed on one side of the right prefabricated shear wall, and the connecting plate is provided with A plurality of fixing holes; the right flange is clamped in the channel steel, and the web is fixedly connected to the connecting plate through the bolts, the bolt holes and the fixing holes. 2. A new type of vertical joint connection structure for prefabricated shear walls as claimed in claim 1, characterized in that: the left connecting part is an I-beam, and the length of the right flange is longer than that of the left flange. Edge is short. 3. A new type of vertical joint connection structure for prefabricated shear walls as claimed in claim 1, characterized in that: the channel steel is a groove, and the size of the groove matches the size of the right flange , just clamping the right side flange in the groove. 4. A new type of vertical joint connection structure for prefabricated shear walls as claimed in claim 1, characterized in that: the cross-sections of the left embedded section steel and the right embedded section steel along the height direction are equal sections, And it is arranged continuously along the height of the left prefabricated shear wall and the right prefabricated shear wall.