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Steel frame buckling restrained energy dissipation beam-column joint capable of being replaced after earthquake
The invention relates to a steel frame buckling restrained energy dissipation beam-column joint capable of being replaced after an earthquake. The steel frame buckling restrained energy dissipation beam-column joint comprises a steel column, a cantilever section steel beam, a mid-span section steel beam, energy dissipation pieces and stiffening shear-resistant pieces. One end of the cantilever section steel beam is fixedly connected with one side of the steel column, the mid-span steel beam is arranged on one side of the cantilever section steel beam, the mid-span steel beam is connected withthe other end of the cantilever section steel beam through the energy dissipation pieces and the stiffening shear-resistant pieces, the two sides of the stiffening shear-resistant pieces are correspondingly connected to a cantilever section steel beam web and a mid-span steel beam web, one ends of the energy dissipation pieces correspondingly abut against a cantilever section steel beam flange anda mid-span steel beam flange, and the other ends of the energy dissipation pieces abut against the stiffening shear-resistant pieces. When the earthquake occurs, the energy dissipation pieces are subjected to the out-of-plane high constraint effect provided by the stiffening shear-resistant pieces, and overall out-of-plane buckling does not occur even when large deformation is pressed, so that the bearing capacity of the joint under the earthquake is quite stable; and through plastic deformation of the energy dissipation pieces, the joint has excellent energy dissipation capacity and anti-seismic property, and it is guaranteed that the structure can be reset only by replacing the energy dissipation pieces after the earthquake.
本发明涉及震后可更换的钢框架屈曲约束耗能梁柱节点，包括钢柱、悬臂段钢梁、跨中段钢梁、耗能件和加劲抗剪件，悬臂段钢梁一端与钢柱一侧固接，跨中段钢梁设于悬臂段钢梁一侧，跨中段钢梁通过耗能件、加劲抗剪件与悬臂段钢梁另一端连接，加劲抗剪件两侧分别连接于悬臂段钢梁腹板和跨中段钢梁腹板，耗能件一端分别抵接于悬臂段钢梁翼缘和跨中段钢梁翼缘，耗能件另一端抵接于加劲抗剪件。地震发生时，耗能件受到加劲抗剪件提供的面外强约束作用，即使在大变形受压时也不会出现整体面外屈曲，因此地震下的节点承载力相当稳定，通过耗能件的塑性变形，节点拥有优异的耗能能力和抗震性能，保证了震后可通过仅更换耗能件来实现结构的复位。
Steel frame buckling restrained energy dissipation beam-column joint capable of being replaced after earthquake
The invention relates to a steel frame buckling restrained energy dissipation beam-column joint capable of being replaced after an earthquake. The steel frame buckling restrained energy dissipation beam-column joint comprises a steel column, a cantilever section steel beam, a mid-span section steel beam, energy dissipation pieces and stiffening shear-resistant pieces. One end of the cantilever section steel beam is fixedly connected with one side of the steel column, the mid-span steel beam is arranged on one side of the cantilever section steel beam, the mid-span steel beam is connected withthe other end of the cantilever section steel beam through the energy dissipation pieces and the stiffening shear-resistant pieces, the two sides of the stiffening shear-resistant pieces are correspondingly connected to a cantilever section steel beam web and a mid-span steel beam web, one ends of the energy dissipation pieces correspondingly abut against a cantilever section steel beam flange anda mid-span steel beam flange, and the other ends of the energy dissipation pieces abut against the stiffening shear-resistant pieces. When the earthquake occurs, the energy dissipation pieces are subjected to the out-of-plane high constraint effect provided by the stiffening shear-resistant pieces, and overall out-of-plane buckling does not occur even when large deformation is pressed, so that the bearing capacity of the joint under the earthquake is quite stable; and through plastic deformation of the energy dissipation pieces, the joint has excellent energy dissipation capacity and anti-seismic property, and it is guaranteed that the structure can be reset only by replacing the energy dissipation pieces after the earthquake.
本发明涉及震后可更换的钢框架屈曲约束耗能梁柱节点，包括钢柱、悬臂段钢梁、跨中段钢梁、耗能件和加劲抗剪件，悬臂段钢梁一端与钢柱一侧固接，跨中段钢梁设于悬臂段钢梁一侧，跨中段钢梁通过耗能件、加劲抗剪件与悬臂段钢梁另一端连接，加劲抗剪件两侧分别连接于悬臂段钢梁腹板和跨中段钢梁腹板，耗能件一端分别抵接于悬臂段钢梁翼缘和跨中段钢梁翼缘，耗能件另一端抵接于加劲抗剪件。地震发生时，耗能件受到加劲抗剪件提供的面外强约束作用，即使在大变形受压时也不会出现整体面外屈曲，因此地震下的节点承载力相当稳定，通过耗能件的塑性变形，节点拥有优异的耗能能力和抗震性能，保证了震后可通过仅更换耗能件来实现结构的复位。
Steel frame buckling restrained energy dissipation beam-column joint capable of being replaced after earthquake
震后可更换的钢框架屈曲约束耗能梁柱节点
HU FANGXIN (author) / SHENG XIANGYU (author) / PAN JIANRONG (author) / WANG ZHAN (author)
2021-03-19
Patent
Electronic Resource
Chinese
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