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钢管混凝土拱的稳定系数曲线研究
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在双重非线性有限元分析的基础上,提出了不同矢跨比下钢管混凝土纯压拱的稳定系数 K_1曲线,并给出了相应的计算公式。与有限元计算结果的对比表明,采用该系数能较精确地估算钢管混凝土纯压拱的非线性失稳临界荷载,且其计算精度不受含钢率和钢材种类变化的影响。
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第十八届全国桥梁学术会议
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中国天津
Date
2008-04
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CNKI:OGTY200805002059
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Chinese
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Year: 2008
Language: Chinese
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