Method and device for improving seismic capacity of buildings
A technology of building and capacity, applied in the field of building science, which can solve the problems of processing, transportation and installation difficulties, large size, large deformation, etc.
Active Publication Date: 2014-03-26
GUANGXI DONGXING DINGKANG PLASTIC IND
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Problems solved by technology
When the external force to be borne is large, a large amount of deformation is required, and usually the size is required to be very large, so that processing, transportation and installation are very difficult, and the effect of use is not ideal.
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Embodiment Construction
[0069] Embodiment 1 of the present invention: improve the method for building anti-seismic ability, arrange the metal damping member of crab type in the building of frame structure, and all set a branch member at each end of metal damping member, damping under external force The deformation of the branch of the device is mainly subjected to bending, and the force of the branch member is as follows: image 3 As shown, when the bending moment generated by the external force is less than the maximum bending capacity of the branch member of the metal damper, the branch member is in an elastic state; when the bending moment generated by the external force exceeds the maximum bending capacity of the branch member of the metal damper , the branch members begin to yield. Under the action of repeated tension and compression loads, the section of the branch members is repeatedly in the state of tension and compression yielding, thereby continuously consuming seismic energy to achieve the...
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The invention discloses a method and device for improving seismic capacity of buildings. Crab-type metal damping components are arranged in the buildings with frame structures, a branch component is arranged at each end socket of each metal damping component, and the deformation of the branch components is mainly bending deformation under the action of external force. The branch components are in an elastic state when the bending moment generated by the external force is smaller than the biggest flexural capacity of the branch components of metal dampers, and the branch components start to yield when the bending moment generated by the external force exceeds the biggest flexural capacity of the branch components of metal dampers, the cross sections of the branch components are in repeated pulling and pressing yield states under repeated pulling and pressing load effects, and therefore seismic energy can be consumed constantly to achieve the purpose of protecting a major structure. The method for improving the seismic capacity of the buildings is simple and easy to carry out, and the device for improving the seismic capacity of the buildings is simple in structure, low in cost and good in utilization effect.
Description
technical field [0001] The invention relates to the field of building science, in particular to a method and a device for improving the earthquake resistance of buildings. Background technique [0002] At present, the development trend of buildings is taller. The frame structure composed of steel components, composite components or reinforced concrete components is a structural form that is often used in buildings. It is often necessary to set energy-dissipating components in the frame structure. Common energy dissipation components include viscous dampers, magnetorheological dampers and metal dampers. Among them, metal dampers are widely used in engineering because of their better durability and economy. However, the metal dampers currently used will deform to varying degrees according to the external forces they need to withstand. When the external force to be borne is large, a large amount of deformation is required, and usually the size is required to be very large, so...
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Inventor 袁波李霞昭曾明会
Owner GUANGXI DONGXING DINGKANG PLASTIC IND