DYNAMIC ANALYSIS OF AN EXISTING ARCH DAMINCLUDING JOINT NON-LINEARITY AND DAM-WATERFOUNDATIONROCK INTERACTION

机译：既有拱形节点联合非线性与坝基水岩相互作用的动力分析

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This paper presents the experimental and finite element studies on the effects of reservoir water level onthe dynamic response of the existing arch dam. The measured dynamic properties are compared topredictions from finite element models, for which the discontinuities due to the nonlinear behavior of thevertical contraction joints are both included and neglected. The computed results demonstrate that theobserved variation of the frequencies was attributed to a modification in the arch stiffness due to thenonlinear effect of the joints. Furthermore, the joint opening effects on dynamic response of the arch damwill be discussed.

机译：本文介绍了水库水位对现有拱坝动力响应影响的实验和有限元研究。将测量的动态特性与有限元模型的预测进行了比较，对于这些预测，由于垂直伸缩缝的非线性行为而导致的不连续性均被包括在内并且被忽略。计算结果表明，所观察到的频率变化归因于关节的非线性效应，从而改变了足弓的刚度。此外，将讨论联合开放对拱坝动力响应的影响。

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来源
《World conference on earthquake engineering;WCEE》|2004年|1-10|共10页
会议地点 Vancouver(CA);Vancouver(CA)
作者
Yukihiro TOYODA; Hiroo Shiojiri; Minoru UEDA; Kazuhisa TSUNEKAWA;
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Central Research Institute of Electric Power Industry Chiba JAPAN;

College of Science and Technology Nihon University Tokyo JAPAN;

Electric Power Research and Development Center Chubu Electric Power Co. Inc. Aichi JAPAN;

Civil and Architectural Engineering Department C-Tech Corporation Aichi JAPAN;

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DYNAMIC ANALYSIS OF AN EXISTING ARCH DAMINCLUDING JOINT NON-LINEARITY AND DAM-WATERFOUNDATIONROCK INTERACTION

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