Shaking Table Test of the RC Partly-Framed Shear Wall Structure with Concealed Bracings

Abstract eng:
Two models of RC shear wall structures with and without concealed bracings were tested on a shaking table, and the results are reported here. The test procedures took the structure through elastic, cracking and failure stages. Dynamic characteristics and responses of the structures at different stages were studied, and a comparison of failure modes between two models is also made. Results from the tests indicate that before concrete cracking, seismic performance of a shear wall structure with concealed bracings is similar to that without concealed bracings. After concrete cracking, the resistance of the former to earthquake excitation is much better than that of the latter, the displacement response of the former is much smaller than that of the latter on the ground floor, and the cracks distributing height of the shear wall with concealed bracings is higher than that of the shear wall without concealed bracings.

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