引用本文: | 敖文刚,晏致涛,王承启.中承式桁架拱桥节段模型风洞试验研究(J/M/D/N,J:杂志,M:书,D:论文,N:报纸).期刊名称,2007,(5): |
| CHEN X. Adap tive slidingmode contr ol for discrete2ti me multi2inputmulti2 out put systems[ J ]. Aut omatica, 2006, 42(6): 4272-435 |
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摘要: |
通过重庆朝天门长江大桥的节段模型静力试验和动力试验,获得了主梁及主拱的静力三分力系数随攻角的变化规律、主梁的颤振特性,识别了主梁的8个颤振导数,并对试验获得的结果进行了详细分析;对该桥的主梁和主拱结构的抗风性能进行了评价。 |
关键词: 朝天门长江大桥 静力三分力 风洞试验 节段模型 颤振导数 |
DOI: |
分类号:TU311 |
基金项目: |
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Wind tunnel test of segmental models of half-through truss arch bridges |
AO Wen-gang YAN Zhi-tao WANG Cheng-qi
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Abstract: |
Based on static dynamic force test of segmental models of Chongqing Chaotianmen Bridge,dynamic force test,the varying law of the coefficients of three-dimensional static component forces with the changing of attack angles and properties of main girder and |
Key words: Chaotianmen Bridge over Yantze River,three-dimensinonal static force,wind-tunnel test,segmental model,flutter derivative |