阅读说明：本技术 一种钢框架可恢复功能强韧性复合材料抗侧力墙 (Steel frame recoverable functional strong toughness composite material side force resisting wall ) 是由 白亮 杨磊 魏会林 于 2021-08-13 设计创作，主要内容包括：一种钢框架可恢复功能强韧性复合材料抗侧力墙,包括钢框架柱、钢框架梁和强韧性复合材料抗侧力墙；若干钢框架柱和若干钢框架梁围成网格型的矩形框架；强韧性复合材料抗侧力墙设置在网格内。钢框架梁与预先制作完成的强韧性复合材料抗侧力墙采用长圆孔螺栓连接,实现钢框架与抗侧力墙同步安装,缩短施工周期,可满足地震后抗侧力墙的更换及维修要求,实现功能恢复。(A steel frame recoverable functional strong toughness composite material lateral force resisting wall comprises steel frame columns, steel frame beams and a strong toughness composite material lateral force resisting wall; a grid-type rectangular frame is formed by the surrounding of the steel frame columns and the steel frame beams; the side force resisting wall made of the high-toughness composite material is arranged in the grid. The steel frame beam and the prefabricated strong-toughness composite material side-force resisting wall are connected through the long round hole bolts, so that the steel frame and the side-force resisting wall are installed synchronously, the construction period is shortened, the requirements of replacement and maintenance of the side-force resisting wall after an earthquake can be met, and the function recovery is realized.)

1. A steel frame restorable functional high-toughness composite material side force resisting wall is characterized by comprising steel frame columns (1), steel frame beams (2) and a high-toughness composite material side force resisting wall (3); a grid-type rectangular frame is formed by the surrounding of the steel frame columns (1) and the steel frame beams (2); the side force resisting wall (3) made of the high-toughness composite material is arranged in the grid.

2. The side force resisting wall made of the composite material and provided with the steel frame and capable of recovering the function and the toughness is characterized in that a steel plate (5) is welded at the lower flange of a steel frame beam (2), a T-shaped steel plate (6) is embedded in the top of the side force resisting wall (3) made of the composite material and provided with the strength and the toughness, and the T-shaped steel plate (6) is connected with the steel plate (5) through a long round hole bolt (4).

3. The steel frame functional restorable strong toughness composite material lateral force resisting wall as claimed in claim 2, characterized in that a base beam (7) is arranged at the bottom of the strong toughness composite material lateral force resisting wall (3), and the base beam (7) is connected with the upper flange of the steel frame beam (2) through a bolt.

4. The functional restorable high-toughness composite material lateral force resisting wall with the steel frame as claimed in claim 3, wherein the T-shaped steel plate (6) and the base beam (7) are bolted to two ends of the high-toughness composite material lateral force resisting wall (3) through the arrangement of the embedded anchor bars (8) in the high-toughness composite material lateral force resisting wall (3).

5. The lateral force resisting wall with steel frame recoverable functional strength and toughness of the composite material as claimed in claim 1, wherein the inside of the lateral force resisting wall (3) with strength and toughness is provided with a reinforcing mesh (9).

6. The side force resisting wall made of the composite material and provided with the steel frame capable of recovering the function and the high toughness as claimed in claim 1, is characterized in that the side force resisting wall (3) made of the composite material and provided with the high toughness is formed by compounding cement, fly ash, quartz sand, an additive, water and a polypropylene fiber material, and comprises the following components in percentage by mass: cement: water: fly ash: quartz sand: 1: 0.64: 1.81: 1.70: 0.003, and the volume ratio of the polypropylene fiber is 0.5 percent.

7. The steel frame functional restorable strong toughness composite material lateral force resistant wall as claimed in claim 6, characterized in that the cement is P.O.52.5 grade portland cement; the fly ash is I-grade fly ash; the average grain diameter of the quartz sand is 110 μm, and the maximum grain diameter is 200 μm; the polypropylene fiber has a diameter of 30 μm, a length of 12mm, a tensile strength of 800MPa, and an elastic modulus of 6.5 GPa.

8. The composite material lateral force resisting wall capable of restoring functional strength and toughness of the steel frame as claimed in claim 6, wherein the steel frame columns (1) and the steel frame beams (2) are connected through bolts.

Technical Field

The invention belongs to the technical field of building earthquake resistance, and particularly relates to a steel frame functional recoverable strong toughness composite material lateral force resistant wall.

Background

The steel frame filled concrete wall is a common structure, but concrete materials are easy to crack and poor in ductility, are seriously mismatched with the deformation capacity of the steel frame, and the concrete wall is extremely easy to generate wide cracks under the action of an earthquake, is crushed by a compression area, is greatly damaged, can quit work early and cannot recover functions after the earthquake. For the steel frame filled concrete wall, the concrete wall is completely filled in the steel frame through the welding studs, the concrete wall can be cast in situ only after the steel frame is installed, the construction period is long, and the concrete wall cannot be replaced and maintained after an earthquake.

Disclosure of Invention

The invention aims to provide a composite material lateral force resistant wall with a steel frame capable of recovering functional obdurability, so as to solve the problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

a steel frame recoverable functional strong toughness composite material lateral force resisting wall comprises steel frame columns, steel frame beams and a strong toughness composite material lateral force resisting wall; a grid-type rectangular frame is formed by the surrounding of the steel frame columns and the steel frame beams; the side force resisting wall made of the high-toughness composite material is arranged in the grid.

Furthermore, a steel plate is welded at the lower flange of the steel frame beam, a T-shaped steel plate is embedded at the top of the side force resisting wall made of the high-toughness composite material, and the T-shaped steel plate is connected with the connecting steel plate through a long round hole bolt.

Furthermore, a base beam is arranged at the bottom of the side force resisting wall made of the high-toughness composite material and connected with the upper flange of the steel frame beam through a bolt.

Furthermore, the T-shaped steel plate and the base beam are bolted to two ends of the high-toughness composite material side-force resisting wall through the arrangement of the embedded anchor bars.

Furthermore, the reinforcing mesh is arranged inside the side force resisting wall made of the high-toughness composite material, and the reinforcing mesh and the high-toughness composite material have good bonding capacity.

Furthermore, the high-toughness composite material lateral force resistant wall is formed by compounding cement, fly ash, quartz sand, a water reducing agent, water and a polypropylene fiber material, and the components in percentage by mass are as follows: cement: water: fly ash: quartz sand: 1: 0.64: 1.81: 1.70: 0.003, and the volume ratio of the polypropylene fiber is 0.5 percent.

Further, the cement is P.O.52.5-grade portland cement; the fly ash is I-grade fly ash; the average grain diameter of the quartz sand is 110 μm, and the maximum grain diameter is 200 μm; the polypropylene fiber has a diameter of 30 μm, a length of 12mm, a tensile strength of 800MPa, and an elastic modulus of 6.5 GPa.

Further, the steel frame column and the steel frame beam are connected through a bolt.

Compared with the prior art, the invention has the following technical effects:

1) the steel frame beam and the prefabricated strong-toughness composite material side-force resisting wall are connected through the long round hole bolts, so that the steel frame and the side-force resisting wall are installed synchronously, the construction period is shortened, the requirements of replacement and maintenance of the side-force resisting wall after an earthquake can be met, and the function recovery is realized.

2) The high-toughness composite material effectively improves the energy consumption capability, toughness, deformation capability and damage resistance capability of the side force resisting wall, and under the action of an earthquake, the high-toughness composite material side force resisting wall can be used as an energy consumption element to realize energy dissipation, protect a steel frame and effectively improve the bearing capacity and rigidity of the steel frame. The strong-toughness composite material lateral force resistant wall has excellent deformation capacity, can cooperatively deform with a steel frame and work together, slows down the earthquake reaction of the steel frame under the earthquake, and improves the earthquake resistant performance of the structure. The strong and tough composite material side force resisting wall only has multiple fine cracks on the surface under the action of earthquake load, the side force resisting wall is strong in damage resistance, and the function of the side force resisting wall can be recovered without repairing or slightly repairing.

3) The high-toughness composite material side-force resisting wall is connected with the steel frame beam through the long round hole bolt, the requirements of bearing capacity and rigidity of the steel frame can be met by adjusting the height-width ratio of the wall, and the position of the high-toughness composite material side-force resisting wall can be flexibly adjusted according to the position of a door or a window.

4) The high-toughness composite material lateral force resistant wall is used as a prefabricated assembly component, standardized production can be realized according to customer requirements, the prefabricated assembly component and a steel frame are synchronously installed on site after being manufactured, and the site construction period is effectively shortened.

In conclusion, the invention can overcome the defects that the existing concrete wall and the steel frame have mismatched deformability, are easy to generate wide cracks and cannot be synchronously installed, and the wall body is not easy to replace and repair after an earthquake, greatly improves the earthquake-resistant performance of the steel frame lateral force-resistant wall, realizes the replacement and maintenance of the lateral force-resistant wall after the earthquake, and realizes the quick and effective recovery of the functions.

Drawings

FIG. 1 is a three-dimensional schematic of the present invention

FIG. 2 is a connection structure diagram of a super-toughness composite wall and a steel frame

FIG. 3 is a structural diagram of a steel frame beam-column joint

FIG. 4 is A-A of FIG. 2

FIG. 5 is a sectional view taken along line B-B of FIG. 2

FIG. 6 is a detailed view of the T-shaped steel plate and the oblong hole

Wherein: 1 is a steel frame column, 2 is a steel frame beam, 3 is a side force resisting wall made of a strong and tough composite material, 4 is a long hole bolt, 5 is a connecting plate, 6 is a T-shaped steel plate, 7 is a base beam, 8 is an embedded rivet bar, and 9 is a reinforcing mesh.

Detailed Description

The invention provides a composite material lateral force resistant wall with a steel frame capable of restoring obdurability, and the invention is described in detail by combining the attached drawings and an embodiment.

A side force resisting wall made of composite material with steel frame and recoverable function mainly comprises steel frame beams, steel frame columns and a side force resisting wall made of composite material with recoverable function.

The steel frame is composed of an upper steel frame beam, a lower steel frame beam, a left steel frame column and a right steel frame column, and the joints of the steel frame beams and the steel frame columns are connected through high-strength bolts. The high-toughness composite material side-force resisting wall is only connected with the steel frame beam through the long round hole bolt and not connected with the steel frame column, the bearing capacity and rigidity requirements of the steel frame can be met by adjusting the height-width ratio of the wall body through the connection mode, and the position of the high-toughness composite material side-force resisting wall can be flexibly changed according to the positions of doors and windows of a building, so that the daily use requirements are met.

Specifically, pre-buried rivet ribs are arranged inside the high-toughness composite material lateral force resisting wall and bolt the T-shaped steel plate and the base beam to two ends of the wall through the pre-buried rivet ribs, so that the high-toughness composite material lateral force resisting wall and the T-shaped steel plate are integrated.

The T-shaped steel plate is connected with a connecting plate at the lower flange of the steel frame beam by adopting a long round hole bolt, and the base beam is connected with the upper flange of the steel frame beam by adopting a high-strength bolt.

Furthermore, the high-toughness composite material lateral force resisting wall is formed by pouring the high-toughness composite material, and the high-toughness composite material is formed by compounding materials such as cement, fly ash, quartz sand, a water reducing agent, water, polypropylene fibers and the like. Through multiple tests, the high-toughness composite material comprises the following components in percentage by mass: cement: water: fly ash: quartz sand: 1: 0.64: 1.81: 1.70: 0.003, and the volume ratio of the polypropylene fiber is 0.5 percent. The cement is P.O.52.5-grade portland cement; the fly ash is I-grade fly ash; the sand has an average particle size of 110 μm and a maximum particle size of 200 μm; the polypropylene fiber had a diameter of 30 μm, a length of 12mm, a tensile strength of 800MPa, and an elastic modulus of 6.5 GPa.

Example (c):

based on the technical scheme of the invention, as shown in figures 1, 2, 3 and 4, the specific construction method is as follows:

the height of the steel frame layer is 3300mm, the span is 3900mm, and Q345B grade steel is selected. The connection design of the steel frame beam and the steel frame column is designed according to the principle of 'strong node and weak member'.

The high-toughness composite material lateral force resisting wall is 2560mm in height, 1200mm in width and 130mm in thickness, and reinforcing mesh is laid inside the wall. The top of the side force resisting wall body made of the tough composite material is provided with an embedded T-shaped steel plate, and the bottom of the side force resisting wall body is provided with a base beam. Slotted holes are reserved in the T-shaped steel plate web and the connecting plate, and bolt holes are reserved in the T-shaped plate flange plate and the base beam flange plate. The top and the bottom of the side force resisting wall body made of the strong and tough composite material are provided with embedded rivet ribs, and the T-shaped steel plate and the base beam are connected with the wall body through the embedded rivet ribs.

And respectively connecting a connecting plate at the lower flange of the steel frame beam and a T-shaped steel plate pre-embedded at the top of the high-toughness composite material lateral force resisting wall by adopting a 10.9-grade M22 high-strength bolt, and connecting the base beam of the high-toughness composite material lateral force resisting wall and the upper flange of the steel frame.

The high-toughness composite material shows multi-crack cracking when damaged, does not have the phenomenon of concrete crushing, and has good energy consumption capability. The side force resisting wall made of the high-toughness composite material has excellent deformation capacity, has good cooperative deformation capacity with a steel frame, and improves the bearing capacity and rigidity of the steel frame. The strong-toughness composite material has good lateral force resisting wall energy dissipation capability, can be used as an energy dissipation element to protect a steel frame, lighten the earthquake reaction of the steel frame structure under the earthquake and effectively realize function recovery. In conclusion, the steel frame high-toughness composite material lateral force resistant wall fully exerts the advantages of the steel structure and the high-toughness composite material, fundamentally overcomes the defects of the traditional concrete filled wall by utilizing the high toughness and the high damage resistance of the high-toughness composite material, and has wide application prospect.

The above is a typical embodiment and technical idea of the present invention, and the specific dimensions not mentioned do not limit the scope of the present invention. Any modification made on the basis of the technical scheme according to the technical idea provided by the invention shall fall within the protection scope of the claims of the present invention.