结构地震反应的几种解答的相互关系矢量图
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摘要
本文将几种地震反应解答──主上界解、次上界解、无贡献的零解答、主模解、次模解、三模解、拟静解以及准主、次上界解都用矢量表示如平面和立体图中,清楚显示了它们之间的相互关系──正交关系,大小关系及和差关系。
In this paper, several kinds of seismic solutions of structure responses──the principal upper bound solution, the secondary upper bound solution, the non-contribution zero solution, the lst mode solution, the 2nd mode solution, the 3rd mode solution, the equivalent static solution, the principal quasi-upper bound solution and the secondary quasi-upper bound solution are displayed with vectors in the planar and spatial vectorial diagrams, with the help of which the mutual relationships among them, such as the orthogonality condition and the quantitative relationships between any two solutions are clearly demonstrated.
引文
[1] 王前信,张艳红,王珞珈.伸臂式结构地震剪力图和弯矩图的理论包络线.地震工程与工程振动,第18卷第2期,1998年.
    [2] 王前信.结构抗震分析中主模解、拟静解和上界解的相互关系地震工程与工程振动,第18卷第3 期,1998年.
    [3] Wang Qian xin, Liu Chunguang. Seismic Loads on Structures with Unidentified Rigidity Distribution, SMiRT-11 Transaction, Vol. K, pp.237-242, Tokyo, Japan, 1991.
    [4] Wang Qianxin, Zhang Yanhong. Seismic Margin Identifiation of Engineering Structures, ASME-PVP, Minneapolis, USA,1994.

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