Tests and numerical analysis for seismic performance of prefabricated reinforced dense mesh anti-lateral force wallboard

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Journal of Vibration and Shock ›› 2022, Vol. 41 ›› Issue (1) : 288-297.

ZHAO Dongfu1,2,3,4, ZHANG Pengxiang1, LI Wenqiang5

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Abstract

A new type of prefabricated reinforced concrete wall panel is proposed. In order to study the seismic performance of the wall panel, full-size specimens were made, and the hysteretic curve was obtained by quasi-static reciprocating loading test. The hysteretic characteristics, skeleton curve, stiffness degradation curve and energy dissipation capacity of the wall panel were analyzed through the hysteretic curve. The test results show that: the bearing capacity of the wall panel does not decline significantly when the interlayer angle is 1 / 250; compared with the test results of the fabricated lateral load-resistant wall panel with inclined bar structure, the reinforced concrete reinforced concrete wall panel with dense mesh structure has better bearing capacity, seismic energy dissipation capacity and stability, the ultimate bearing capacity is increased by 5.5%, and the total energy consumption is increased by 11%. ABAQUS software is used to carry out the finite element analysis of the prefabricated steel dense mesh anti lateral force wallboard. The simulation results are basically consistent with the experimental results. The finite element analysis and comparison with the fabricated steel dense mesh anti lateral force lattice column show that the seismic energy consumption capacity of the fabricated steel dense mesh wall panel is increased by 33%.

Key words

Assembled type / Reinforced steel mesh / Seismic performance / Pseudo-static test / Finite element analysis / Hysteretic curve

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ZHAO Dongfu1,2,3,4, ZHANG Pengxiang1, LI Wenqiang5. Tests and numerical analysis for seismic performance of prefabricated reinforced dense mesh anti-lateral force wallboard[J]. Journal of Vibration and Shock, 2022, 41(1): 288-297

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