CN211472962U

CN211472962U - Slurry anchor connecting structure of assembled frame-shear wall structure column and wall

Info

Publication number: CN211472962U
Application number: CN201922075491.7U
Authority: CN
Inventors: 李姗珊; 郭庆霖; 尹海云; 管清晨
Original assignee: Jilin University of Architecture and Technology
Current assignee: Jilin University of Architecture and Technology
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-09-11
Anticipated expiration: 2029-11-27

Abstract

The utility model provides a slurry anchor connecting structure of an assembled frame-shear wall structural column and a wall, belonging to the technical field of building structural members; the prefabricated wall comprises prefabricated columns and prefabricated walls which are transversely arranged side by side, wherein notches are reserved in the opposite longitudinal directions of the prefabricated columns and run through from top to bottom; and arranging a second stirrup and a third stirrup in the groove from top to bottom respectively, binding the second stirrup and the third stirrup with a second longitudinal bar in the prefabricated wall, arranging U-shaped stirrups in the prefabricated column from top to bottom, arranging steel pipes in rectangular rings formed by staggering the U-shaped stirrups, the second stirrups and the third stirrups, and pouring concrete at the notch parts of the prefabricated wall and the prefabricated column. The utility model has the advantages that: the assembling process is simple, the prefabrication degree is high, and steel bars do not need to be bound. When concrete is poured, the concrete is directly poured from the notch part, a template is not needed, labor is saved, the time of field operation is shortened, and the maintenance time can also be shortened.

Description

Slurry anchor connecting structure of assembled frame-shear wall structure column and wall

Technical Field

The utility model relates to a building structure component technical field, concretely relates to assembled frame-shear force wall structure post and thick liquid anchor connection structure of wall.

Background

The fabricated concrete structure has the characteristics of high construction speed, stable and reliable quality, energy conservation, environmental protection and the like, meets the requirements of industrialization, scale, greenization and standardization of buildings in China, and is a well-known direction for sustainable development.

In the fabricated concrete structure, the connection design of the members is particularly important, and on one hand, the continuity of the members and the overall stability of the structure are ensured; on the other hand, the construction requirement is met, the structure is simple as far as possible, the site construction is convenient, and the assembly quality is ensured.

With the increasing assembly rate of domestic fabricated concrete structures, more and more prefabricated components such as prefabricated columns, prefabricated shear walls, prefabricated beams and the like appear. For the prefabricated columns and the prefabricated walls in the frame-shear wall structure, the integrity and the stability of the structure are directly influenced by the connection quality of the prefabricated columns and the prefabricated walls. Therefore, the connection of the precast columns and the precast wall ensures that the frame-shear wall structure has sufficient bearing capacity, integrity, good ductility and the like, which mainly influences the stress performance of the structure.

At present, the connection mode of columns and walls in a frame-shear wall structure is less, and U-shaped rib connection, straight rib connection, interlink buckle connection and the like are commonly used. But all have the defects of large proportion of reinforcing steel bar binding, formwork supporting and cast-in-place and the like on site.

Therefore, it is necessary to innovate the connection between the column and the wall in the existing frame-shear wall structure, and a new type of connection structure between the column and the wall in the assembled frame-shear wall structure, which is suitable for industrial production, convenient for site operation, high in assembly rate and capable of improving the shock resistance, is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a connection structure of assembled frame-shear wall structure post and wall with characteristics such as simple structure, site operation are simple and easy, the transportation is convenient, the bearing capacity is higher, the ductility is better, the assembly rate is higher and the wholeness can be good, it can be applied to and shake the area more.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a slurry anchor connecting structure of an assembled frame-shear wall structure column and a wall comprises a prefabricated column and a prefabricated wall which are transversely arranged side by side; the prefabricated wall is provided with notches in the opposite longitudinal direction of the prefabricated columns, and the notches are communicated from top to bottom; and arranging a second stirrup and a third stirrup in the groove from top to bottom respectively, binding the second stirrup and the third stirrup with a second longitudinal bar in the prefabricated wall, arranging U-shaped stirrups in the prefabricated column from top to bottom, arranging steel pipes in rectangular rings formed by staggering the U-shaped stirrups, the second stirrups and the third stirrups, and pouring concrete at the notch parts of the prefabricated wall and the prefabricated column.

Further, the notch of prefabricated wall and prefabricated post form closed mouth.

Furthermore, the side surfaces of two sides of the notch of the prefabricated wall are oblique notches.

Furthermore, the one end setting of second stirrup and third stirrup is in the notch, and second stirrup and third stirrup expose the notch length that length all does not exceed the shear force wall.

Further, the second stirrup and the third stirrup are exposed to the same length when prefabricated.

Furthermore, a plurality of U-shaped stirrups are pre-buried at one side of the prefabricated column, and the positions and the lengths of the U-shaped stirrups are the same.

Furthermore, the U-shaped hooping can be changed into the hooping in a multi-earthquake zone and is bound with the embedded longitudinal bars.

Furthermore, the second stirrup and the third stirrup of the prefabricated wall and the U-shaped stirrup of the prefabricated column are arranged in the closed notch in a staggered mode to form a closed rectangle.

Further, the cross-sectional area of the steel pipe is smaller than the cross-sectional area of the whole closed rectangle formed by the second stirrup, the third stirrup and the U-shaped stirrup.

Furthermore, a tie bar is arranged between the second stirrup and the third stirrup according to actual engineering requirements.

The utility model relates to a thick liquid anchor connection structure's of assembled frame-shear force wall structure post and wall beneficial effect: when assembling, the prefabricated columns and the prefabricated walls which are prefabricated are placed side by side, the steel pipes are placed, concrete is poured, the assembling process is simple, the prefabrication degree is high, and steel bars do not need to be bound. When concrete is poured, the concrete is directly poured from the notch part, a template is not needed, labor is saved, the time of field operation is shortened, and the maintenance time can also be shortened. First stirrup, first longitudinal bar and U type stirrup are pre-buried in the post when the mill is processed in the prefabricated post. The second longitudinal bar, the second stirrup, the third stirrup and the tie bar in the prefabricated wall are embedded in the wall body when being processed in a factory. The position accuracy of the U-shaped stirrups, the second stirrups and the third stirrups is guaranteed, and a closed rectangle can be formed during assembling. The U-shaped stirrups, the first stirrups and the second stirrups transmit force to the steel pipe, and the force transmission is clear and definite, and the integrity is high, and the rigidity is big. The connection position of the prefabricated column and the prefabricated wall can meet the requirements of various loads in normal use. When the earthquake grade is higher, notch department is weaker than post and wall body, destroys earlier, nevertheless can guarantee the connection of wall body and post because the existence of steel pipe, is unlikely to take place to collapse, and sacrifices the wall connection department and ensures the stability and the ductility of post to improve the ductility of building, prevented that the post from collapsing, increased the time of fleing.

Drawings

FIG. 1 is a schematic view of a grout anchor connection structure between a fabricated frame-shear wall structural column and a wall of the present invention;

FIG. 2 is a cross-sectional view of a grout anchor connection structure between a column and a wall of the fabricated frame-shear wall structure of the present invention;

FIG. 3 is an exploded view of a grout anchor connection structure between a fabricated frame-shear wall structural column and a wall of the present invention;

in the figure: 1-prefabricated column, 2-first stirrup, 3-first longitudinal bar, 4-U-shaped stirrup, 5-steel pipe, 6-prefabricated wall, 7-second longitudinal bar, 8-notch, 9-tie bar, 10-second stirrup, 11-third stirrup and 12-concrete.

Detailed Description

The present invention will be described in further detail with reference to examples.

Example (b): according to fig. 1-3 show, the utility model provides a pair of assembled frame-shear wall structure post and thick liquid anchor connection structure of wall, include: prefabricated post 1 and prefabricated wall 6 that transversely set up side by side, notch 8 are close to prefabricated post 1, and horizontal pre-buried U type stirrup 4 in prefabricated post 1, first stirrup 2 and the ligature of first muscle 3 of indulging in prefabricated post. Pre-buried second stirrup 10 and third stirrup 11 in prefabricated wall 6, and second stirrup 10 and third stirrup 11 indulge muscle 7 ligature with the second respectively, and muscle 7 is indulged with the second to ligature lacing wire 9 in prefabricated wall 6, puts into notch 8 with steel pipe 5 in, pours concrete 12 from notch 8 in.

There is as little clearance as possible between prefabricated column 1 and prefabricated wall 6 at the time of connection of rebate 8. And a second stirrup 10 and a third stirrup 11 of the prefabricated wall 6 are respectively bound with a second longitudinal bar 7 in the wall body. The transverse steel bars of the second stirrup 10 and the third stirrup 11 of the prefabricated wall 6 are partially left in the notch 8, and the protruding lengths of the second stirrup 10 and the third stirrup 11 are the same. The U-shaped stirrups 4 of prefabricated post 1 and the second stirrups 10 and the third stirrups 11 of prefabricated wall 6 stagger at notch 8 and place, from last down to see can form a closed rectangle. In a tremolo zone, the number of the U-shaped hoops 4 can be increased. The prefabricated column 1 can be embedded with longitudinal bars connected with the U-shaped hooping bars 4 in a multi-earthquake area. The steel pipe 5 is slightly smaller than the closed rectangle formed by the U-shaped stirrup 4, the second stirrup 10 and the third stirrup 11. The number of the steel pipes 5 can be increased or the shape of the steel pipes 5 can be changed properly in the multi-earthquake area.

The utility model relates to a prefabricated assembled shear force wall upstand hole-type vertical connection structure's a work progress:

in the factory, the columns 1 and prefabricated walls 6 are prefabricated. The prefabricated column 1 is firstly bound with the first longitudinal bar 3 and the first stirrup 2, and then the U-shaped stirrup 4 is embedded. Prefabricated wall 1 ligature second longitudinal reinforcement 7, lacing wire 9, second stirrup 10 and third stirrup 11 earlier, later sets up notch 8 in prefabricated wall one side.

And (3) horizontally arranging the transported prefabricated columns 1 and the prefabricated walls 6 in parallel on a construction site, and fixing. A closed notch 8 is formed between the prefabricated wall 1 and the prefabricated column 6, a steel pipe 5 is placed in a rectangle formed by the U-shaped stirrups 4, the second stirrups 10 and the third stirrups 11, and then concrete 12 is poured from the notch 8.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims

1. A slurry anchor connecting structure of an assembled frame-shear wall structure column and a wall comprises a prefabricated column and a prefabricated wall which are transversely arranged side by side; the method is characterized in that: the prefabricated wall is provided with notches in the opposite longitudinal direction of the prefabricated columns, and the notches are communicated from top to bottom; and arranging a second stirrup and a third stirrup in the groove from top to bottom respectively, binding the second stirrup and the third stirrup with a second longitudinal bar in the prefabricated wall, arranging U-shaped stirrups in the prefabricated column from top to bottom, arranging steel pipes in rectangular rings formed by staggering the U-shaped stirrups, the second stirrups and the third stirrups, and pouring concrete at the notch parts of the prefabricated wall and the prefabricated column.

2. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 1, wherein: the notch of the prefabricated wall and the prefabricated column form a closed opening.

3. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 2, wherein: the side surfaces of two sides of the notch of the prefabricated wall are oblique notches.

4. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 1, wherein: one end of the second stirrup and one end of the third stirrup are arranged in the groove opening, and the exposed lengths of the second stirrup and the third stirrup do not exceed the length of the groove opening of the shear wall.

5. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 4, wherein: the second stirrup and the third stirrup are exposed to the same length when being prefabricated.

6. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 1, wherein: a plurality of U type stirrups are pre-buried at one side to the prefabricated post, and the position and the length of a plurality of U type stirrups are all the same.

7. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 6, wherein: the U-shaped stirrup can be replaced by the stirrup in a multi-earthquake zone and is bound with the embedded longitudinal bar.

8. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 1, wherein: the second stirrup and the third stirrup of the prefabricated wall and the U-shaped stirrups of the prefabricated column are arranged in a staggered mode in the closed notch to form a closed rectangle.

9. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 1, wherein: the cross-sectional area of the steel pipe is smaller than the closed rectangular cross-sectional area formed by the second stirrup, the third stirrup and the U-shaped stirrup.

10. A fabricated frame-shear wall structure column-to-wall grout anchor connection structure as defined in claim 1, wherein: and a tie bar is arranged between the second stirrup and the third stirrup according to the actual engineering requirement.