THEORY AND APPLICATION OF RAYLEIGH WAVE IN ARCH-DAM STRUCTURE

机译：瑞雷波在拱坝结构中的理论与应用

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SASW is one of the most important non-destructive methods, which is widely used in engineering. To widen the application of SASW method and improve the reliability of test, this paper studies the propagation of Rayleigh wave in complicated structure. Using finite element method and analytical method develops the formulation of Rayleigh wave secular equation and displacement distribution in complicated structure. The dispersion characteristics and displacement distribution of Rayleigh wave in such structure are discussed. The measured dispersion curves of Rayleigh wave in arch-dam structure are obtained from analyzing the measured signal and the shear wave velocities of back-calculated according to the dispersion characteristics of Rayleigh wave in complicated structure (such as arch-dam structure). The paper proves SASW method is feasible to measure this type of structure.

机译：SASW是最重要的非破坏性方法之一，已在工程中广泛使用。为了扩大SASW方法的应用范围并提高测试的可靠性，本文研究了瑞利波在复杂结构中的传播。利用有限元法和解析法，建立了瑞利波长期方程和复杂结构位移分布的公式。讨论了瑞利波在这种结构中的色散特性和位移分布。通过分析实测信号并根据复杂结构（如拱坝结构）中瑞利波的色散特性反算出切向波的剪切波速度，得到了瑞利波在拱坝结构中的实测色散曲线。本文证明了SASW方法对于测量这种类型的结构是可行的。

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来源
《Asia-Pacific Conference on Shock amp; Impact Loads on Structures; 20031112-14; Changsha, Hunan,(CN)》|2003年|P.387-391|共5页
会议地点 Changsha Hunan(CN)
作者
T.D. Xia; G.Q. Liang; K. Z. Yan; D.K. Gong;
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作者单位

Zhejiang University, China;

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原文格式 PDF
正文语种 eng
中图分类抗震动结构、防灾结构;
关键词
rayleigh wave; arch-dam structure; dispersion characteristics SASW method;

机译：瑞利波拱坝结构色散特性SASW法;

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THEORY AND APPLICATION OF RAYLEIGH WAVE IN ARCH-DAM STRUCTURE

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