【摘 要】
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This paper describes an experimental study of the hysteretic behavior of prestressed truss concrete composite beams(PTCCBs) under cyclic loading.Five beam model
【出 处】
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Earthquake Engineering and Engineering Vibration
论文部分内容阅读
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 levelλand the ratio of stirrupρ P_ss 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-△and sectional M- hysteretic models for the PTCCBs at the midspan are established.The P-△hysteretic model shows good agreement with the test results.
This paper describes an experimental study of the hysteretic behavior of prestressed truss concrete composite beams (PTCCBs) under cyclic loading. Fied beam models were designed and tested, in which the testing parameters include the global reinforcement index β_0, the prestress level λand the ratio of stirrupρ P_ss 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- △ and sectional M- hysteretic models for the PTCCBs at the midspan are established. The P- △ hysteretic model shows good agreement with the test results.
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