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Seismic performance analysis and design suggestion for frame buildings with cast-in-place staircases 被引量:2
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作者 Feng Yuan Wu Xiaobin +2 位作者 Xiong Yaoqing Li Congchun Yang Wen 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2013年第2期209-219,共11页
Many staircases in reinforced concrete (RC) frame structures suffered severe damage during the Wenchuan earthquake. Elastic analyses for 18 RC structure models with and without staircases are conducted and compared ... Many staircases in reinforced concrete (RC) frame structures suffered severe damage during the Wenchuan earthquake. Elastic analyses for 18 RC structure models with and without staircases are conducted and compared to study the influence of the staircase on the stiffness, displacements and internal forces of the structures. To capture the yielding development and damage mechanism of frame structures, elasto-plastic analysis is carried out for one of the 18 models. Based on the features observed in the analyses, a new type of staircase design i.e., isolating them from the master structure to eliminate the effect of K-type struts, is proposed and discussed. It is concluded that the proposed method of staircase isolation is effective and feasible for engineering design, and does not significantly increase the construction cost. 展开更多
关键词 cast-in-place staircases frame structure seismic performance design suggestions
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