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Bi-stage yielding energy dissipation steel coupling beam applied to coupled shear wall structure
The invention relates to the technical field of constructional engineering and structures against earthquakes, in particular to a bi-stage yielding energy dissipation steel coupling beam applied to a coupled shear wall structure. The bi-stage yielding energy dissipation steel coupling beam comprises a shear yielding plate beam performing first-stage shear yielding, a bending yielding I beam performing second-stage bending yielding, and beam-end end plates for connecting the shear yielding plate beam and the bending yielding I beam; the shear yielding plate beam is sleeved with the bending yielding I beam; the shear yielding plate beam comprises elastic areas with approximate rigidity at the two ends and a plastic shear yielding energy dissipation area at the middle; the bending yielding I beam comprises flanges subjected to dog-bone treatment at the end parts and a double-webbed plate, so that functions of dissipating energy while providing an additional damping ratio under frequent earthquakes are achieved, moreover, a cross-coupling function when the steel coupling beam serves as a coupling beam is achieved, and a greater energy dissipation effect under seldom earthquake can be achieved. The two-stage yielding energy dissipation steel coupling beam can also be replaced when seismic rehabilitation is carried out, and quick rehabilitation capacity of buildings after a strong earthquake is improved.
Bi-stage yielding energy dissipation steel coupling beam applied to coupled shear wall structure
The invention relates to the technical field of constructional engineering and structures against earthquakes, in particular to a bi-stage yielding energy dissipation steel coupling beam applied to a coupled shear wall structure. The bi-stage yielding energy dissipation steel coupling beam comprises a shear yielding plate beam performing first-stage shear yielding, a bending yielding I beam performing second-stage bending yielding, and beam-end end plates for connecting the shear yielding plate beam and the bending yielding I beam; the shear yielding plate beam is sleeved with the bending yielding I beam; the shear yielding plate beam comprises elastic areas with approximate rigidity at the two ends and a plastic shear yielding energy dissipation area at the middle; the bending yielding I beam comprises flanges subjected to dog-bone treatment at the end parts and a double-webbed plate, so that functions of dissipating energy while providing an additional damping ratio under frequent earthquakes are achieved, moreover, a cross-coupling function when the steel coupling beam serves as a coupling beam is achieved, and a greater energy dissipation effect under seldom earthquake can be achieved. The two-stage yielding energy dissipation steel coupling beam can also be replaced when seismic rehabilitation is carried out, and quick rehabilitation capacity of buildings after a strong earthquake is improved.
Bi-stage yielding energy dissipation steel coupling beam applied to coupled shear wall structure
LI GUOQIANG (author) / PANG MENGDE (author) / SUN FEIFEI (author)
2015-07-29
Patent
Electronic Resource
English
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