Experimental study on the Mechanical properties of an axial compression-tension metallic damper and its application

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Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (16) : 141-147.

LU Liang1， LIU Xia2?， Dai Guixia1

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Abstract

The constructional detail and theoretical calculation of a kind of axial compression-tension metallic damper are introduced. The yield displacement, yield load and yield stiffness of the axial compression-tension metallic damper were obtained through the quasi-static test, and its energy dissipation capacity is analysed. The application of the damper used in External Prestressing Self-centering Frame (EPSCF) is researched. The results indicate that (1) the axial tension-compression metallic damper dissipates energy through the deformation of its web plates, and the damages occurred on the adjacent components can be avoided; (2) the installation type of this metallic damper is the same as the viscous damper, it can be conveniently installed and easily replaced; (3) the axial compression-tension metallic damper has the advantages of promoting additional stiffness, controlling drifts and dissipating seismic energy.

Key words

axial compression-tension metallic damper / seismic performance / quasi-static test / energy dissipation capacity

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LU Liang1， LIU Xia2?， Dai Guixia1. Experimental study on the Mechanical properties of an axial compression-tension metallic damper and its application[J]. Journal of Vibration and Shock, 2017, 36(16): 141-147

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