新型装配式金属消能减震复合墙板抗震性能试验研究

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Abstract In order to study the seismic performance of a new type prefabricated metal energy dissipation composite wallboard, low cyclic loading experiments were carried out on the new type composite wallboard and the traditional sandwich wallboard respectively.The failure mode, hysteretic energy dissipation, bearing capacity, stiffness and displacement ductility of specimens were compared.The results show that the hysteretic curve of the new type prefabricated metal performance damping composite wallboard presents a configuration of “parallelogram”, which is more full than that of traditional composite wall panels and has good seismic performance.Compared with the traditional sandwich composite wallboard, where X-shaped shear cracks appear mainly in the middle of the wallboard, the cracks of the new wallboard mainly appear at its corners, showing good overall performance.The new wallboard has smaller lateral stiffness and better displacement ductility, which can reduce the constraint effect of the additional stiffness of the clothing wallboard.The new prefabricated metal performance damping composite wallboard can achieve the seismic design goal of “elastic under small earthquake and yielding energy under large earthquake”.

Key words： prefabricated composite wallboard seismic performance low cyclic loading test

Received: 17 September 2018 Published: 28 April 2020

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	Articles by authors
	WU Congxiao1
	2
	XIONG Xiaopeng1
	XU Hu1
	WU Congyong1

Cite this article:

WU Congxiao1,2,XIONG Xiaopeng1, et al. Experimental study on the seismic performance of a new type assembled metal energy dissipation composite wallboard[J]. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(9): 159-164.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2020/V39/I9/159

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