Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

2009, Volume 3, Issue 3

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Frontiers of Structural and Civil Engineering >> 2009, Volume 3, Issue 3 doi: 10.1007/s11709-009-0043-0

Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

1.College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China；Key Lab of Urban Security & Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100022, China; 2.College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China;

Available online: 2009-09-05

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Abstract

To improve the seismic performance of reinforced concrete core walls, reinforced concrete composite core walls with concealed steel truss were proposed and systemically investigated. Two 1/6 scale core wall specimens, including a normal reinforced concrete core wall and a reinforced concrete composite core wall with concealed steel truss, were designed. The experimental study on seismic performance under cyclic loading was carried out. The load-carrying capacity, stiffness, ductility, hysteretic behavior and energy dissipation of the core walls were discussed. The test results showed that the seismic performance of core walls is improved greatly by the concealed steel truss. The calculated results were found to agree well with the actual measured ones.

Keywords

reinforced concrete ; steel truss ; core walls ; seismic performance

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