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水库在地震时的水体波动模型及其力学分析

The model and mechanical analysis of water wave on reservoir in earthquake

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【作者】 韩江水李艳清

【Author】 HAN Jiang-shui,LI Yan-qing(College of Sciences,Xi’an University of Science and Technology,Xi’an 710054,China)

【机构】 西安科技大学理学院

【摘要】 地震是一种复杂的地质运动,对水库有很大影响。在地震时,库区水体波动幅度很大,大幅度水体波动不仅会影响到水面的船舶,对水库基础设施的破坏性也是很大的。为减少水体的破坏性,需对库区水体的波动形式进行定量分析,为此本文建立关于空间半径和时间为变量的水体波动延迟方程,以及解释在波动过程中水体的延迟波动带来的压强差产生漩涡和跃波的产生机理,并确定产生跃波和最大漩涡的位置,从而为水库的安全设计提供参考依据。

【Abstract】 Earthquake is a kind of complex geologic movements with a great effect on reservoir.The range of water in reservoir is large which not only has the effect on ships in the water,but also has great damage on the infrastructure of reservoir.In order to reduce the damage on water,the quantitative analysis is applied in fluctuation form on the water of reservoir area.The reservoirs is abstracted as a semicircle model and on this basis to build a delay equation about the wave of water in the paper in which space radius and time are variables,and then get the formulas of water wave amplified in the various depths.Accordingly,it also explains the mechanism that the pressure differences during the delay wave of water cause vortex and bounce wave.The locations of the bounce wave and vortices are determined.The research result is of some reference for the secure design of reservoir.

【关键词】 地震水库延迟方程水体波动
【Key words】 earthquakereservoirdelay equationwave of water
  • 【文献出处】 西安科技大学学报 ,Journal of Xi’an University of Science and Technology , 编辑部邮箱 ,2009年03期
  • 【分类号】TV131
  • 【下载频次】58
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