CN205024882U - Prefabricated assembled shaped steel concrete shear force wall - Google Patents

Abstract

The utility model relates to a prefabricated assembly type steel concrete shear wall. I-shaped steel is uniformly arranged longitudinally in the shear wall piece, and I-shaped steel is arranged on the upper and lower edges of the shear wall piece, and the vertically arranged I-shaped steel is connected by the I-shaped steel to form the structural frame of the shear wall; the I-shaped steel Double-layer steel mesh sheets are arranged between them. The two ends of the horizontally distributed steel bars of the steel mesh sheet are connected with the I-shaped steel, and the two ends of the longitudinally distributed steel bars of the steel mesh sheet are connected with the I-shaped steel; the upper edge of the shear wall is welded on the I-shaped steel. Embedded steel bar connection sleeve and section steel connection sleeve, welded pre-embedded reinforcement with anchor plate on the I-shaped steel at the lower edge of the wall; preset anchors at the end of the I-shaped steel reserved at the lower edge of the shear wall; The length of the end and the height of the steel concrete connector are consistent with the thickness of the floor. The utility model integrates the advantages of steel concrete and reinforced concrete shear walls, enhances the bearing capacity and rigidity of the shear walls, and improves the ductility and energy consumption performance of the shear walls.

Description

Prefabricated steel concrete shear wall

technical field

The utility model relates to a shear wall, in particular to a prefabricated assembly type steel concrete shear wall.

Background technique

Due to the relatively high prefabrication rate of the prefabricated shear wall structure system, the bearing capacity of the building structure is not lower than that of the cast-in-place structure, which can effectively overcome the complex connection structure of the cast-in-place structure, the difficulty of construction, and the large amount of on-site engineering. The disadvantages of artificial uncontrollable factors and other aspects have been popularized and applied in engineering practice.

ZL201210054809.3 discloses a prefabricated steel tube concrete frame shear wall, which makes full use of the combination of the advantages of the steel tube concrete frame and the concrete shear wall, but this kind of shear wall is limited by the steel tube concrete frame, if the building height is too large or If the shear wall is too wide, it will inevitably lead to excessive deformation of the coordinated force between the CFST frame and the concrete wall, and then the coordinated construction measures will be improved accordingly, resulting in a decrease in its cost efficiency.

Utility model content

The technical problem to be solved by the utility model is to provide a prefabricated assembled steel concrete shear wall, realize factory prefabrication and industrial construction of the cast-in-place steel concrete shear wall, and ensure the ductility and seismic energy consumption performance of the shear wall , and at the same time realize the rapid construction work on site and the standardization of construction quality.

The technical scheme that the utility model solves its technical problem adopts is:

A prefabricated prefabricated steel concrete shear wall, including double-layer reinforcement mesh sheets composed of horizontally distributed steel bars and longitudinally distributed steel bars, tension bars are arranged between the double-layer steel mesh sheets, and longitudinally evenly arranged in the shear wall sheets I-shaped steel, the upper and lower edges of the shear wall pieces are provided with I-shaped steel for the entire length, and the vertically arranged I-shaped steels are connected through the I-shaped steel to form the structural frame of the shear wall; Reinforcement mesh, the two ends of the horizontal distribution of the reinforcement mesh are connected with the I-shaped steel, and the two ends of the longitudinal distribution of the reinforcement mesh are connected with the I-shaped steel; the embedded steel connection sleeve is welded on the I-shaped steel on the upper edge of the shear wall Tube and section steel connection sleeve, welded pre-embedded reinforcement with anchor plate on the I-beam lower edge of the shear wall piece; pre-set anchors at the end of the I-shaped steel reserved at the lower edge of the shear wall piece; I-shaped steel reserved The length of the end and the height of the steel-concrete connector are consistent with the thickness of the floor slab to reserve space for the construction of the cast-in-place floor slab.

Adopt the utility model of above-mentioned technical scheme, compared with prior art, its beneficial effect is:

It fully integrates the advantages of steel concrete and reinforced concrete shear walls, enhances the bearing capacity and stiffness of the shear walls, and improves the ductility and energy dissipation performance of the shear walls; compared with the steel pipe concrete frame shear walls, the structural system According to the height of the building and the width of the shear wall, by effectively controlling the proportion of steel, the steel can be evenly arranged longitudinally in the shear wall, and the concrete shear wall can be divided into multiple shear wall aggregates according to the layout position of the steel. Correspondingly, the coordinated force deformation between the steel concrete and the concrete shear wall is reduced, and the seismic performance and force characteristics of the wall are relatively optimized.

Description of drawings

Fig. 1 is the structural representation of the shear wall piece of the utility model embodiment;

Fig. 2 is the enlarged schematic view of A-A section in Fig. 1;

Fig. 3 is the enlarged schematic view of B-B section in Fig. 1;

Fig. 4 is the enlarged schematic diagram of the cross-section of point C in Fig. 1;

Fig. 5 is the enlarged schematic diagram of the cross-section of point D in Fig. 1;

In the figure: shear wall piece 1, I-shaped steel 2, horizontally distributed steel bar 3, longitudinally distributed steel bar 4, I-shaped steel 5, steel bar connecting sleeve 6, section steel connecting sleeve 7, steel bar with anchor plate 8, anchor piece 9 , Pull the ribs 10.

detailed description

The utility model will be further elaborated below in conjunction with the accompanying drawings, but the embodiments do not constitute any limitation to the utility model.

Referring to Fig. 1 to Fig. 5, the I-shaped steel 2 is evenly arranged in the longitudinal direction of the shear wall piece 1, and the I-shaped steel 5 is arranged on the entire length of the upper and lower edges of the shear wall piece 1, and the vertically arranged I-shaped steel is arranged through the I-shaped steel 5 2 are connected to form a shear wall structure frame; double-layer steel mesh sheets are arranged between the I-shaped steel sheets 2, and the two ends of the horizontally distributed steel bars 3 of the steel mesh sheets are connected with the I-shaped steel 2, and the longitudinally distributed steel bars 4 of the steel mesh sheets are two The end is connected with the I-beam 5, and the tension bar 10 is set between the double-layer steel mesh pieces; the I-beam 5 on the upper edge of the shear wall piece 1 is welded with the pre-embedded steel connection sleeve 6 and the section steel connection sleeve 7. The I-shaped steel 5 on the lower edge of the force wall piece 1 is welded with the pre-embedded steel bar 8 with an anchor plate; the end of the I-shaped steel 2 reserved at the lower edge of the shear wall piece 1 is preset with an anchor 9; the reserved end of the I-shaped steel 2 The length of the section, the height of the steel concrete connector 7 are consistent with the thickness of the floor slab.

The production method of the shear wall piece 1 is as follows:

① Make the steel frame of the shear wall piece 1, arrange the I-shaped steel 2 evenly in the longitudinal direction, weld the I-shaped steel 5 to the upper and lower ends of the I-shaped steel 2, and reserve the end of the lower end of the I-shaped steel 2, and the length is the same as The thickness of the cast-in-place floor slab is consistent, and the anchor piece 9 is preset on the reserved end of the lower end of the I-shaped steel 2;

② The horizontally distributed steel bars 3 and the longitudinally distributed steel bars 4 are formed into steel mesh pieces, and the tension bars 10 are used to connect the steel mesh pieces, and the two ends of the horizontally distributed steel bars 4 are required to be welded to the flange of the I-shaped steel 2;

③ Weld the steel bar connection sleeve 6 and the section steel connection sleeve 7 on the I-beam 5 at the upper edge of the shear wall piece 1, and weld the steel bar 8 with anchor plate on the I-beam 5 at the lower edge of the shear wall piece 1;

④Reserve a certain thickness of the protective layer on both sides of the shear wall piece 1, support the formwork and pour concrete, and form a prefabricated steel concrete shear wall piece after standard curing.

The method for constructing a prefabricated assembled steel concrete shear wall using the above-mentioned shear wall sheet 1 is carried out according to the following steps:

A, transport the factory prefabricated shear wall piece 1 to the construction site;

B. Hoist the shear wall piece 1 so that the lower edge of the upper shear wall piece 1 is equipped with the anchor plate steel bar 8 and the reserved end of the I-shaped steel 2, and the upper edge of the lower shear wall piece 1 is aligned with the pre-embedded steel bar connection Sleeve 6 and section steel connection sleeve 7 are then placed in position, the upper and lower layer shear wall pieces 1 are positioned, supported and fixed, and high-strength grouting material is poured into pre-embedded reinforcement connection sleeve 6 and section steel connection sleeve 7, After all the shear wall pieces 1 on the same floor are installed in place, and the strength of the high-strength grouting material meets the requirements, according to the construction process, lay the reinforcement mesh of the cast-in-place floor slab in the reserved space between the upper and lower shear wall pieces 1 and set up the formwork , and then pour the concrete of the cast-in-place floor slab, and remove the temporary support after the curing is completed;

C. Carry out the construction of prefabricated steel concrete shear walls on other floors in sequence, and finally form the overall prefabricated steel concrete shear walls.

The above-mentioned embodiments are only examples for the present utility model, and those skilled in the art to which the present utility model belongs can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but they will not deviate from The spirit of the present invention may go beyond the scope defined by the appended claims.

Claims (1)

1. A prefabricated prefabricated steel concrete shear wall, including double-layer steel mesh sheets composed of horizontally distributed steel bars (3) and longitudinally distributed steel bars (4), and tension bars are arranged between the double-layer steel mesh sheets ( 10), characterized in that: I-shaped steel (2) is uniformly arranged longitudinally in the shear wall piece (1), and I-shaped steel (5) is arranged on the entire length of the upper and lower edges of the shear wall piece (1). (5) Connect the vertically arranged I-shaped steel (2) to form a shear wall structure frame; arrange the above-mentioned double-layer steel mesh between the I-shaped steel (2), and the horizontal distribution of steel bars (3 ) are connected to the I-shaped steel (2) at both ends, and the two ends of the longitudinally distributed steel bars (4) of the steel mesh are connected to the I-shaped steel (5); Weld the pre-embedded reinforcement connection sleeve (6) and section steel connection sleeve (7), and weld the pre-embedded steel bar with anchor plate (8) on the I-beam (5) on the lower edge of the shear wall piece (1); The reserved I-shaped steel (2) end of the lower edge of the sheet (1) is preset with anchors (9); the length of the reserved end of the I-shaped steel (2) and the height of the steel-concrete connector (7) are consistent with the thickness of the floor .