CN108277905A - A kind of box compound shear wall of rectangle steel - Google Patents

Abstract

The invention discloses a rectangular steel box-type combined shear wall, which comprises a steel pipe skeleton, the steel pipe skeleton includes a plurality of internode units arranged continuously, the adjacent internode units are welded, and each internode unit has an open end A rectangular steel box, the rectangular steel box is welded with ribs, the rectangular steel box has two parallel long sides and a short side, the short side is perpendicular to the long side, and the length of the long side is the length of the short side twice the length, the ribs are welded between the two long sides, and the welding place between the ribs and the long sides is located on the centerline of the long sides, the ribs are parallel to the short sides, and more A rectangular steel box is also welded with a sealing plate at the exposed part, so that the steel pipe skeleton becomes a closed structure with multiple inner cavities. The section of each inner cavity is square, and each inner cavity is poured with concrete to form the whole structure. Composite shear walls. The shear wall uses economical steel and fast construction, and can give full play to the respective advantages of concrete and steel structures.

Description

A rectangular steel box composite shear wall

technical field

The invention belongs to a prefabricated composite structure system in civil engineering, and specifically refers to a rectangular steel box composite shear wall, which can be used in common high-rise buildings, especially in prefabricated houses and apartments.

Background technique

Traditional housing construction technology has low production efficiency, slow construction speed, long construction period, high material consumption and high labor intensity. These series of conditions can no longer meet the rigid demand for housing in modern society. The prefabricated building has the following characteristics: ①The design is diversified and can be designed according to the housing requirements; ②The function is modernized, and a variety of new materials such as energy saving and environmental protection can be used; ③Manufacturing is factory-based, which can make the building components and accessories uniform and factory-made. ; ④ Construction assembly can greatly reduce labor force and reduce material waste; ⑤ Time optimization can significantly speed up the construction cycle. The prefabricated building pays attention to the protection of the environment and resources. During the construction process, it effectively reduces the emission of construction sewage, harmful gases, dust and construction noise pollution, reduces the various impacts of construction on the surrounding environment, and is conducive to improving the construction efficiency. Labor productivity promotes the refinement of design and construction, improves the overall quality of buildings and the rate of energy conservation and drainage reduction, promotes the healthy and sustainable development of my country's construction industry, and meets the needs of national economic development.

Prefabricated buildings are mainly divided into prefabricated concrete structures and prefabricated steel structures. Prefabricated concrete structure shear wall buildings have flexible layout and can provide better indoor space. However, because the assembly quality of vertical components is not easy to guarantee, the integrity is relatively Poor pouring structure, transportation and installation are prone to problems and other current constraints, and the promotion and application are limited to a certain extent. The prefabricated steel structure has a high assembly rate, energy saving and environmental protection. However, in view of the impact of cost and cost, most high-rise residential buildings in my country currently use reinforced concrete shear wall structures, and corrosion and fire prevention also restrict the promotion of steel structure residential buildings.

If the steel structure and the concrete structure are effectively combined, a new type of assembled lateral force-resistant member is studied, and the respective advantages of the concrete and steel structures are fully utilized, which is a good solution to the shortcomings of the current structural system.

Contents of the invention

The object of the present invention is to provide a rectangular steel box-type combined shear wall, which uses economical amount of steel, is simple to manufacture, and can be constructed quickly, and can fully utilize the respective advantages of concrete and steel structures.

The above object of the present invention is achieved through the following technical solutions: a rectangular steel box-type combined shear wall, characterized in that: the shear wall includes a steel pipe skeleton, and the steel pipe skeleton includes a plurality of internode units arranged continuously, adjacent The internode units are welded together, and each internode unit is a rectangular steel box with one end open, ribs are welded inside the rectangular steel box, and the rectangular steel box has two parallel long sides and one short side, The short side is perpendicular to the long side, the length of the long side is twice the length of the short side, the ribs are welded between the two long sides, and the weld between the ribs and the long side is located on the center line of the long side , the ribs are parallel to the short sides, and the exposed parts of the welded rectangular steel boxes are also welded with sealing plates, so that the steel pipe skeleton becomes a closed structure with multiple inner cavities, and the cross-section of each inner cavity is equal to It is a square, and concrete is poured in each cavity to form the entire composite shear wall.

The combined shear wall of the present invention can solve the problems in the current prefabricated concrete structure and steel structure. A plurality of rectangular steel boxes in the shape of "bolt" are welded and combined into a steel pipe skeleton and filled with concrete to form a vertical component stress system. , the rectangular steel box forms subunits and the subunits can be assembled repeatedly through welding, and the rectangular steel box in the shape of a "bolt" can restrain the concrete filled inside. The rectangular steel box-type composite shear wall can give full play to the advantages of concrete and steel structures and is a vertical component bearing system with superior mechanical performance.

The thickness of the rectangular steel box is 4mm-8mm.

The shear wall of the present invention can adopt various structures, and the corresponding steel pipe skeleton and sealing plate are also different.

Structure 1: The shear wall is a straight wall, the sealing plate is a straight steel plate arranged at the end of the wall, the length of the straight steel plate is equal to the length of the rib plate, and the rectangular The two long sides of the steel box are welded together.

The in-line steel plate is connected with the two long sides of the rectangular steel box at the end of the wall by equal strength groove welding.

Structure 2: The shear wall is an L-shaped wall, and the sealing plate is an inline steel plate arranged at the corner of the wall. The length of the inline steel plate is equal to the length of the rib plate. The two long sides of the box are welded together.

The in-line steel plate is connected with the two long sides of the rectangular steel box at the end of the wall by equal strength groove welding.

Structure 3: The shear wall is a T-shaped wall, the sealing plate is a straight steel plate arranged at the end of the wall, the length of the straight steel plate is equal to the length of the rib plate, and the straight steel plate and the rectangular steel The two long sides of the box are welded together.

The in-line steel plate is connected with the two long sides of the rectangular steel box at the end of the wall by equal strength groove welding.

The rectangular steel tube composite shear wall designed as above can achieve expected effects, and is especially suitable for residential buildings and apartment buildings.

Compared with prior art, the present invention has following advantage:

(1) The composite shear wall structural member of the present invention is used both as a vertical load-bearing member and as a lateral force-resisting member. The composite shear wall structure has excellent mechanical performance, and the wall section size is small, thereby improving the utilization rate of the building space, reducing the structure's own weight, and reducing the earthquake effect.

(2) The combined shear wall structural member of the present invention can be processed in the factory, and concrete pouring and a small amount of welding work can be done on site. Compared with the assembled concrete structure, the production speed is fast, the transportation is convenient, the construction is simple, and the construction quality is guaranteed. Save a lot of labor.

(3) Compared with other combined wall structures, the rectangular steel tube and concrete work together, the combined effect is reliable, and the overall structure has high compressive, bending and shear bearing capacity.

Description of drawings

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is the overall structural diagram of embodiment one of rectangular steel box type composite shear wall of the present invention;

Fig. 2 is the structural representation of steel pipe skeleton in embodiment one of rectangular steel box type combined shear wall of the present invention;

Fig. 3 is a structural schematic view of the steel pipe skeleton after removing the sealing plate in Embodiment 1 of the rectangular steel box-type composite shear wall of the present invention;

Fig. 4 is the structural representation of internode unit in embodiment one of rectangular steel box type composite shear wall of the present invention;

Fig. 5 is the structural representation of the inline steel plate in embodiment one of the rectangular steel box type composite shear wall of the present invention;

Fig. 6 is the overall structural diagram of the second embodiment of the rectangular steel box type composite shear wall of the present invention;

Fig. 7 is the schematic structural view of the steel pipe skeleton in Embodiment 2 of the rectangular steel box-type combined shear wall of the present invention;

Fig. 8 is a schematic structural view of the steel pipe skeleton after removing the sealing plate in Embodiment 2 of the rectangular steel box-type composite shear wall of the present invention;

Fig. 9 is the overall structural diagram of Embodiment 3 of the rectangular steel box type composite shear wall of the present invention;

Fig. 10 is a schematic structural view of the steel pipe skeleton in Embodiment 3 of the rectangular steel box-type combined shear wall of the present invention;

Fig. 11 is a schematic structural view of the steel pipe frame in Embodiment 3 of the rectangular steel box-type combined shear wall after removing the sealing plate.

Explanation of reference signs:

1—rectangular steel box, 11—rib plate, 2—concrete, 3—inline steel plate.

Detailed ways

Embodiment one

Embodiment 1 of the rectangular steel box-type composite shear wall of the present invention is shown in Fig. 1 to Fig. 5, and this shear force wall comprises steel pipe skeleton, and steel pipe skeleton comprises a plurality of internode units arranged continuously, and adjacent internode units are opposite to each other. Welding, each internode unit is a rectangular steel box 1 with one end open, and a rib plate 11 is welded in the rectangular steel box 1, and the rectangular steel box 1 has two long sides and a short side parallel to each other, and the short side and the long side The sides are perpendicular, the length of the long side is twice the length of the short side, the rib plate 11 is welded between the two long sides, and the welding place between the rib plate 11 and the long side is located on the center line of the long side, the rib plate 11 Parallel to the short side, the welded rectangular steel box 1 resembles a horizontal "bolt" shape, and the exposed parts of the welded rectangular steel boxes 1 are also welded with sealing plates, so that the steel pipe skeleton has multiple inner cavities. The closed structure of each inner cavity is square, and concrete 2 is poured in each inner cavity to form the entire combined shear wall.

In this embodiment, the thickness of the rectangular steel box 1 is 6 mm. The thickness of the rectangular steel box 1 is determined according to the calculation requirements, and the value is usually in the range of 4 mm to 8 mm. It is mainly used to bear the horizontal load and fill the concrete within the constraint. . The strength of concrete 2 is determined according to calculation, and forms a prefabricated steel pipe combined shear wall system with other components.

In this embodiment, the shear wall is an inline wall, and the sealing plate is an inline steel plate 3 arranged at the end of the wall. The length of the inline steel plate 3 is equal to the length of the rib plate 11. The two long sides of the rectangular steel box 1 are welded together, and the two long sides of the inline steel plate 3 and the rectangular steel box 1 at the end of the wall are connected by equal strength groove welding.

Embodiment two

Embodiment 2 of the rectangular steel box-type combined shear wall of the present invention is shown in Fig. 6 to Fig. 8. The difference from Embodiment 1 is that the shear wall is an L-shaped wall, and the sealing plate is a Glyph steel plate 3, the length of glyph steel plate 3 is equal to the length of rib 11, and two long sides of glyph steel plate 3 and the rectangular steel box 1 at the corner of the wall are welded.

In this embodiment, the two long sides of the inline steel plate 3 and the rectangular steel box 1 at the end of the wall are connected by equal-strength groove welding.

Embodiment Three

Embodiment 3 of the rectangular steel box-type combined shear wall of the present invention is shown in Fig. 9 to Fig. 11. The difference from Embodiment 1 is that the shear wall is a T-shaped wall, and the sealing plate is a Glyph steel plate 3, the length of glyph steel plate 3 is equal to the length of rib 11, and two long sides of glyph steel plate 3 and the rectangular steel box 1 at wall end place are welded.

In this embodiment, the two long sides of the inline steel plate 3 and the rectangular steel box 1 at the end of the wall are connected by equal-strength groove welding.

The above-mentioned embodiments of the present invention do not limit the protection scope of the present invention. Under the premise of the above-mentioned basic technical ideas, other modifications, replacements or changes made to the above-mentioned structures of the present invention in various forms shall fall within the protection scope of the present invention.

Claims (8)

1. a kind of box compound shear wall of rectangle steel, it is characterised in that：The shear wall includes steel pipe skeleton, and steel pipe skeleton includes The multiple internode units being continuously arranged, adjacent internode unit mutually weld, each internode unit is an one end open Rectangle steel case (1), is welded with floor (11) in the rectangle steel case (1), and the rectangle steel case (1) has parallel two long Side and a short side, short side is perpendicular with long side, and the length of long side is 2 times of the length of short side, and the floor (11) is welded on Between two long sides, and floor (11) and the weld of long side are located on the center line of long side, the floor (11) and short side Parallel, multiple rectangle steel casees (1) after welding are also welded with sealing plate in exposed section, so that steel pipe skeleton becomes with multiple The section of the enclosed construction of inner cavity, each inner cavity is square, and each interior intracavitary has poured concrete (2), constitutes entire Compound shear wall.

2. the box compound shear wall of rectangle steel according to claim 1, it is characterised in that：The thickness of the rectangle steel case (1) Degree is 4mm~8mm.

3. the box compound shear wall of rectangle steel according to claim 1 or 2, it is characterised in that：The shear wall is a word Type wall, the sealing plate are the linear type steel plate (3) being arranged in wall end position, length and the floor (11) of linear type steel plate (3) Equal length, linear type steel plate (3) and two long sides of the rectangle steel case (1) at wall end are mutually welded.

4. the box compound shear wall of rectangle steel according to claim 3, it is characterised in that：The linear type steel plate (3) It is connected with the strong groove welding such as two long sides of the rectangle steel case (1) at wall end use.

5. the box compound shear wall of rectangle steel according to claim 1 or 2, it is characterised in that：The shear wall is L-type Wall, the sealing plate are the linear type steel plate (3) being arranged in wall corner location, length and the floor (11) of linear type steel plate (3) Equal length, linear type steel plate (3) and two long sides of the rectangle steel case (1) of wall corner are mutually welded.

6. the box compound shear wall of rectangle steel according to claim 5, it is characterised in that：The linear type steel plate (3) It is connected with the strong groove welding such as two long sides of the rectangle steel case (1) at wall end use.

7. the box compound shear wall of rectangle steel according to claim 1 or 2, it is characterised in that：The shear wall is T-type Wall, the sealing plate are the linear type steel plate (3) being arranged in wall end position, the length of the length and floor (11) of linear type steel plate (3) Spend equal, linear type steel plate (3) and two long sides of the rectangle steel case (1) at wall end are mutually welded.

8. the box compound shear wall of rectangle steel according to claim 7, it is characterised in that：The linear type steel plate (3) It is connected with the strong groove welding such as two long sides of the rectangle steel case (1) at wall end use.