|Table of Contents|

Elastic-plastic Buckling Behavior of Double-corrugated Thin Steel Plate Under Cyclic Shear Load(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2020年04期
Page:
14-22
Research Field:
Publishing date:

Info

Title:
Elastic-plastic Buckling Behavior of Double-corrugated Thin Steel Plate Under Cyclic Shear Load
Author(s):
WANG Yu-hang1;  YANG Jun-de1;  LIANG Yan-lai2;  LAN Yong-sen3;  LUO Wei3;  DENG Ran1
(1. School of Civil Engineering, Chongqing University, Chongqing 400045, China; 2. Chongqing Technology and Business Institute, Chongqing 401520, China; 3. CSIC Haizhuang Wind Power Co., Ltd, Chongqing 401122, China)
Keywords:
double-corrugated thin steel plate;  shear capacity;  elastic-plastic buckling;  quasi-static test;  thin steel plate shear wall
PACS:
TU973.2
DOI:
10.19815/j.jace.2019.12040
Abstract:
In order to research the elastic-plastic buckling behavior of double-corrugated thin steel plate upon reaching or approaching steel yield stress, the quasi-static tests of four double-corrugated thin steel plate specimens with different bolt spacings and one single-corrugated thin steel plate specimen subjected to cyclic shear load were completed. The results show that the rationally designed double-corrugated thin steel plate can reach the full-section yield shear capacity firstly, and then the double-corrugated thin steel plate undergo elastic-plastic local shear buckling alternately under cyclic shear load, forming X-shaped buckling folds and tearing cracks to destroy. The ultimate shear capacity of double-corrugated thin steel plate is more than twice that of single-corrugated thin steel plate, and the maximum increase is about 18%. Hysteretic curve of double-corrugated thin steel plate shows a certain pinch phenomenon, and the shear capacity and unloading stiffness of double-corrugated thin steel plate degrade obviously with the increase of hysteresis number after the shear capacity reaches peak value, but its equivalent damping ratio does not decrease significantly. The double-corrugated thin steel plate can be divided into three working stages: elastic, elastic-plastic local buckling and shear capacity degradation. Due to the accordion effect of corrugated steel plate, the double-corrugated thin steel plate has not shear capacity increasing after buckling, and its elastic-plastic local shear buckling state can be defined as ultimate shear capacity state.

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Last Update: 2020-07-29