A prestressed cable space steel frame structure damping system and its prestressed cable design method
A prestressed, steel frame technology, applied in the direction of earthquake resistance, building components, building types, etc., can solve the problems of large component consumption, low material utilization efficiency, ignoring the seismic inertia effect, etc., to achieve the effect of improving seismic performance and facilitating application
Active Publication Date: 2021-06-22
HEBEI AGRICULTURAL UNIV.
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Problems solved by technology
The existing research is to set the oblique brace as the energy-dissipating component, which consumes a lot of material, mainly using its compressive stiffness, and the material utilization efficiency is low; the second is to set up the flexible cable to improve the structural rigidity, and the starting point of the investigation is based on the static performance of the cable structure , although the static performance can reflect the seismic performance of the structure to a certain extent, but the static performance ignores the inertial effect of the earthquake, and does not directly apply the seismic action to the structure as an inertial force, which is easy to overestimate the seismic performance of the structure pose a safety hazard
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[0035] The technical solutions of the present application will be described in detail below in conjunction with the accompanying drawings and specific implementation methods of the application, but the following embodiments are only used to understand the present invention, and the embodiments in the application and the features in the embodiments can be combined with each other , the application can be practiced in a multitude of different ways as defined and covered by the claims.
[0036] A prestressed cable space steel frame structure damping system, composed of steel beams 1, steel columns 2, floor 3 and prestressed cables 4, the steel beams 1, steel columns 2 are connected to form a horizontal or vertical plane frame , the horizontal plane frame and the floor 3 form a multi-layer or high-rise space steel frame structure; the prestressed cables 4 are in the plane of the horizontal frame, and the two prestressed cables 4 are obliquely intersected at the midpoint of each oth...
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A prestressed cable space steel frame structure damping system and a design method for the prestressed cable. The prestressed cable space steel frame structure damping system consists of steel beams (1), steel columns (2), floor slabs (3) and prestressed cables (4), the steel beams (1), steel columns ( 2) connected to form a horizontal or vertical plane frame, the horizontal plane frame and the floor (3) form a multi-layer or high-rise space steel frame structure; The stay cables (4) are obliquely intersected at the midpoint of each other or intersect at the midpoint of the beam and column, and the two ends of each prestressed stay cable (4) are fixed to the nodes of the adjacent steel column (1) and steel beam (2) or midpoint to form an X or V shape, respectively. The invention greatly reduces the main characteristic dynamic response of the structure by arranging the prestressed cables, and significantly improves the seismic performance of the space steel frame structure.
Description
technical field [0001] The invention relates to the technical field of civil engineering, in particular to a prestressed cable space steel frame structure damping system and a prestressed cable design method thereof. Background technique [0002] Steel frame-bracing structure is a common form of existing multi-story steel structures. Ordinary frame structures are flexible systems, and the overall seismic performance is insufficient. The support is set between the columns of the transverse frame of the structure to form a steel frame-support system, no matter it adopts rigid support or flexible support, it has a certain bending stiffness; The layer setting, all regard the support as a direct energy-dissipating component, and the starting point of the investigation is based on the static performance of the structure. The existing research is to set the oblique brace as the energy-dissipating component, which consumes a lot of material, mainly using its compressive stiffness,...
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IPC IPC(8): E04B1/98E04H9/02
CPCE04B1/98E04H9/021E04H9/024
Inventor 王军林敦晨阳孙建恒郝文秀任小强赵淑丽马馨鑫郭华
Owner HEBEI AGRICULTURAL UNIV.