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author:

韦建刚 (韦建刚.) [1] | 陈宝春 (陈宝春.) [2] (Scholars:陈宝春) | 吴庆雄 (吴庆雄.) [3] (Scholars:吴庆雄)

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CQVIP PKU CSCD

Abstract:

对抛物线完善的和具有初始几何缺陷的钢管拱,应用双重非线性有限元方法,分析了其在拱顶集中力和非对称分布荷载作用下的失稳特性,提出了以GB50017-2003的轴力-弯矩相关方程为基本计算公式、采用考虑矢跨比因素的稳定系数和缺陷折减系数的等效梁柱法,与双重非线性有限元计算结果比较表明,这种等效梁柱法可方便且较精确地计算抛物线压弯钢管拱的极限承载力.

Keyword:

初始几何缺陷 压弯 双重非线性 极限承载力 等效梁柱法 铜管拱

Community:

  • [ 1 ] [韦建刚]福州大学
  • [ 2 ] [陈宝春]福州大学
  • [ 3 ] [吴庆雄]福州大学

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Source :

计算力学学报

ISSN: 1007-4708

CN: 21-1373/O3

Year: 2009

Issue: 1

Volume: 26

Page: 87-93

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 5

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