窄翼缘PEC中长柱轴压整体稳定性能试验研究
为研究窄翼缘PEC中长柱轴压整体稳定性能,设计制作9根组合长细比介于76~141(正则化长细比介于0.84~1.55)的窄翼缘PEC中长柱,进行轴压整体稳定性能试验。研究窄翼缘PEC中长柱的初始弯曲、长细比、混凝土强度等因素对其破坏模式和轴压整体稳定承载力的影响。试验结果表明,窄翼缘PEC中长柱在轴压荷载下的破坏模式表现为绕弱轴的弯曲失稳,长细比和初始弯曲显著影响试件的破坏模式和极限承载力。当试件的正则化长细比大于1.0,初始弯曲大于<italic>L</italic>/1 000时,试件的破坏模式表现为整体极值点失稳;当试件的正则化长细比大于1.0,初始弯曲小于<...
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Main Authors: | 张文轩, 石韵, 苏明周, 兰寒枫, 庄向平, 蔡仁武 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Progress in Steel Building Structures, Tongji University
2023-06-01
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Series: | Jianzhu Gangjiegou Jinzhan |
Subjects: | |
Online Access: | http://steelpro.tongji.edu.cn/thesisDetails#10.13969/j.cnki.cn31-1893.2023.06.001 |
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