Experimental study on hysteretic behavior of prestressed truss concrete composite beams |
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| Authors: | Wenzhong Zheng Kun Wang Geming Zhang |
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| Institution: | School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China |
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| Abstract: | This paper describes an experimental study of the hysteretic behavior of prestressed truss concrete composite beams (PTCCBs)
under cyclic loading. Five beam models were designed and tested, in which the testing parameters include the global reinforcement
index β
0, the prestress level λ and the ratio of stirrup ρ
sv in the potential plastic hinge zones. Based on the test results, the failure mode and hysteretic behavior of the tested models
are obtained. In addition, the P-Δ and sectional M-φ hysteretic models for the PTCCBs at the midspan are established. The P-Δ hysteretic model shows good agreement with the test results. |
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| Keywords: | prestress truss composite beam hysteretic behavior global reinforcement index prestress level |
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