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摘要:
Short pier RC shear wall structure system with concealed bracings was put forward. Two 1/6 scale models of short pier RC shear wall structure with and without concealed bracings were tested on the shaking table. Dynamic character and dynamic response of the two structures were respectively studied at elastic, cracking and failure stage through the experiment. The comparison of failure mode between the two structures was also made during different stages. The test results indicate that the dynamic character and dynamic response of the two structures are similar during elastic stage. During the plastic stage, the resistance of the short pier RC shear wall structure with concealed bracings is much better than that of common short pier shear wall structure without concealed bracings. The interstory drift of each floor and the roof drift of the former are much smaller than those of the latter. The crack distribution height of the wall with concealed bracings is much higher than that of the wall without concealed bracings, so the ability of dissipating energy of the farmer is much better than that of the latter. Finite element time-history analysis is made at the stages of elasticity and nonlinear. The calculated results agree well with the experiment results.
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