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Frame structure system

A frame structure and system technology, applied in the direction of building structure, construction, etc., can solve the problems of increasing the weight and stiffness of the structure, reducing the effective use area, increasing the cost of the building, etc., to improve the bearing capacity, protect the safety of people's lives and property, The effect of improving ductility

Inactive Publication Date: 2009-10-07
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0005] Therefore, in order to realize "strong column and weak beam" with the current structural form, the cross-sectional size of the column and the amount of reinforcement will inevitably be greatly increased, but at the same time it will bring the following problems: (1) greatly increase the building cost; (2) Affect the use of buildings and reduce the effective use area; (3) increase the weight and rigidity of the structure, and further increase the earthquake effect, and quite a few columns even become short columns, further increasing the cost of the building

Method used

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Embodiment 1

[0029] like figure 1 , figure 2 As shown, the present invention is applied to a reinforced concrete frame structure, and an oblique tie rod 1 is arranged between the upper and lower floors. to adjust the lateral stiffness of the floor. The connection between the column 3 and the floor 4 adopts a semi-rigid connection. The semi-rigid connection between the column end 33 and the floor 4 means that by reducing the number of column longitudinal reinforcements at the connection between the column 3 and the floor 4, the bending resistance of the connection is lower than that of the column 3, reduce the connection strength between column 3 and floor 4, but the joint can still bear a certain bending moment. Tie rod 1 can use high-strength steel strands or high-strength steel bars. Tie rod 1, column 3 and floor 4 form a truss type Anti-lateral force system, the tie rod 1 can be hidden in the partition wall.

Embodiment 2

[0031] like image 3 As shown, the present invention is applied to a frame-shear wall structure or a frame-cylinder structure, and an oblique tie rod 1 is arranged between the upper and lower floors, and the two ends of the tie rod 1 are respectively fixed on the beam-column joints 2 of the upper and lower floors , adjust the lateral stiffness of the floor by applying prestress to tie rod 1. The connection between the column 3 and the floor 4 is hinged. The hinge connection between the column end 33 and the floor 4 means that the longitudinal reinforcement of the column is completely cut off at the connection between the column end 33 and the floor 4, and a steel bar or section steel is set at the center of the section of the column end 33 to connect with the floor. 4 are connected, and the column end 33 does not bear the bending moment. The tie rod 1 can be made of high-strength steel strand or high-strength steel bar. The tie rod 1, column 3 and floor 4 form a truss-type lat...

Embodiment 3

[0033] like Figure 4 As shown, the present invention is applied to the situation where the increase of the local story height of the building leads to the decrease of the lateral stiffness of the floor. Due to the needs of building use, the local floor height is relatively high, resulting in weak lateral stiffness of the floor. The tie rod 1 increases the stiffness of the floor. The two ends of the tie rod 1 are respectively anchored at the intersection of the floor 4 and the shear wall. The lateral stiffness of the floor can be adjusted by adjusting the prestress of the tie rod 1.

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Abstract

The invention discloses a novel frame structure, aiming at providing a truss-like lateral force resisting system. The novel structure system can greatly reduce the shear force and bending moment of a column, and the column mainly bears the axial force to bring the advantage of high concrete compression strength into full play. The truss-like lateral force resisting system is formed by a tension rod, a column and a floor slab through arranging the insequent tension rod between upper and lower floors, adopting semirigid connection or hinge joint between the column end and the floors. The system has strong capability of energy consumption, remarkably improves the tensility of the frame structure, greatly improves the damage-resisting capability of the building under the effect of earthquake and wind load, and prevents the building from collapsing under the effect of earthquake, thus effectively protecting the safety of lives and property of people.

Description

technical field [0001] The invention relates to a building structure system, in particular to a frame structure system, which is mainly used in reinforced concrete structures and steel-concrete composite structures of construction projects. Background technique [0002] Among the current reinforced concrete structures or steel-concrete composite structures, there are frame structures, shear wall structures, frame-shear wall structures, frame-tube structures, tube structures, and tube-in-tube structures. The interconnection of each component of the above-mentioned various structures adopts rigid connection. In general multi-storey and high-rise buildings, frame structures, frame-shear wall structures, and frame-tube structures are widely used due to their flexible layout and large space. [0003] The columns and beams and slabs of the ordinary frame structure are rigidly connected, which is a rigid lateral force-resistant system. According to the research results of relevan...

Claims

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Application Information

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IPC IPC(8): E04B1/19
Inventor 陆观宏王湛
Owner SOUTH CHINA UNIV OF TECH
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