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首页> 外文期刊>Journal of Earthquake Engineering >USACE EXPERIENCE WITH SEISMIC REMEDIATION OF EARTH AND CONCRETE DAMS
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USACE EXPERIENCE WITH SEISMIC REMEDIATION OF EARTH AND CONCRETE DAMS

机译：地震修复土石坝的USACE体验

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摘要

The US Army Corps of Engineers (USACE) has a long history related to research and evaluation of dams subjected to seismic loading. The USACE has responsibility for the safe performance of over two hundred dams in high seismic hazard areas of the US. In 1997, the USACE instituted the Dam Safety Assurance Program to provide for the modification of completed USACE dams and related facilities, when deemed necessary for safety purposes due to new hydrologic or seismic data or changes in the state-of-the-art design or construction criteria. Through this program, USACE dams are periodically evaluated for seismic hazard potential and those that are found deficient are retrofitted through appropriately designed remediation methodologies. Since the late 1980's two major dams (Sardis Dam and Mormon Island Dam) have been remediated for seismic deficiencies and two dams (Success Dam and Tuttle Creek Dam) are currently in the process of remediation design. Discussions are given on the analysis of these dams and selected remediation alternatives. This paper also highlights recent and ongoing research that the USACE is performing to improve the analysis of dams and the subsequent design of remediation measures for those found deficient. Finally, this paper briefly presents the policy that governs seismic stability evaluation of dams from the USACE perspective and issues of concern.
机译：美国陆军工程兵团（USACE）在遭受地震荷载的大坝的研究和评估方面有着悠久的历史。 USACE负责在美国地震高发地区的200多座水坝的安全运行。在1997年，USACE制定了大坝安全保证计划，以在由于新的水文或地震数据或最新设计或更改而被认为出于安全目的需要时，对完整的USACE大坝和相关设施进行修改。施工标准。通过该计划，将定期评估USACE大坝的潜在地震危险，并通过适当设计的补救方法对发现不足的大坝进行翻新。自1980年代后期以来，由于地震缺陷而对两个主要水坝（Sardis坝和摩门群岛水坝）进行了补救，目前正在对两个水坝（Success坝和Tuttle Creek坝）进行补救设计。讨论了对这些水坝的分析以及选定的补救措施。本文还重点介绍了USACE为改善对大坝的分析以及随后针对发现的缺陷而设计的补救措施的最新研究。最后，本文简要介绍了从USACE角度对大坝地震稳定性进行评估的政策和相关问题。

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