Energy dissipation capacity of steel plate shear walls
Received:February 20, 2012  Revised:April 29, 2012
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DOI:10.7511/jslx201303018
KeyWord:steel plate shear wall  infill wall  hysteretic energy  pinching parameter  the ratio of span to height  the ratio of height to thickness
           
AuthorInstitution
孙国华 苏州科技学院江苏省结构工程重点实验室, 苏州
顾强 苏州科技学院江苏省结构工程重点实验室, 苏州
何若全 苏州科技学院江苏省结构工程重点实验室, 苏州
方有珍 苏州科技学院江苏省结构工程重点实验室, 苏州
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Abstract:
      Hysteretic energy of steel components with different hysteretic characters in steel plate shear wall (SPSW) need to be calculated reasonably using energy-based seismic design method.In order to reflect the pinching effect of hysteretic curve,the stage and average pinching parameter were proposed in this paper,and the simplified computing method of steel component hysteretic energy with different pinching characters was also suggested.An one-story steel plate shear wall with moment resisting steel frame was designed,and the hysteretic behavior and energy dissipation capacity were analyzed.A total of twelve one-bay,one-storey SPSW with pinned connections were designed,and the effects of the ratios of span to height and height to thickness on hysteretic behavior of steel infill wall were analyzed.The rule of pinching parameter was concluded,and simplified calculating formula was proposed.