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Inelastic response analysis of reinforced concrete structures using modified force analogy method

机译：Inelastic response analysis of reinforced concrete structures using modified force analogy method

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摘要

A modified force analogy method (MFAM) is developed to simulate the nonlinear inelastic response of reinforced concrete (RC) structures. Beam-column elements with three different plastic mechanisms are utilized to simulate inelastic response caused by moment and shear force. A multi-linear hysteretic model is implemented to simulate the nonlinear inelastic response of RC member. The P-A effect of the structure is also addressed in MFAM. Static and dynamic inelastic response of structure, damage condition and failure type for structural element, structural limit state and collapse time can also be simulated using MFAM. Compared with the general algorithm, the MFAM provides less computational time especially in the case of large structural system. It is also easier to be written as computer program. Three test data groups, which include cyclic loading test data of a non-ductile RC bridge column, a two-storey RC frame, and dynamic collapse test data of a non-ductile RC portal frame, are selected to confirm the effectiveness of applying MFAM to simulate the inelastic behaviour of structures.

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