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首页> 外文会议>Association of State Dam Safety Officials, Inc. 2002 Annual Conference Sep 8-11, 2002 Tampa, Florida >HYDRAULIC MODELING OF TOM MILLER DAM
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HYDRAULIC MODELING OF TOM MILLER DAM

机译：TOM MILLER DAM的液压建模

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摘要

Tom Miller Dam has a unique and interesting history with three failures and two major reconstructions. The present dam is a composite structure combining structural elements from the original construction and each reconstruction. Located on the Colorado River in Austin, Texas, the Dam is owned by the City of Austin and operated by the Lower Colorado River Authority (LCRA). Although the dam is only 1440 feet long and ranges in height from 60 to 100 feet, the dam was reported to be the largest dam in the world built across a major flowing river when originally constructed in 1890. Although it is no longer the largest dam, it is still an important resource providing primary drinking water supply for the City and hydro-electric power generation for the LCRA. During the LCRA Dam Modernization Program, the extreme flood events were re-evaluated. The Probable Maximum Flood (PMF) for Tom Miller Dam is 834,000 cfs. Stability analyses showed that the structure was subject to a more severe loading condition than that of the original design. As a result, improvements to the dam were required to bring the dam in compliance with modern design criteria. In conjunction with the Utah Water Research Laboratory, a physical hydraulic modeling program was completed.
机译：汤姆·米勒大坝（Tom Miller Dam）经历了三次失败和两次重大重建，拥有独特而有趣的历史。目前的大坝是一个复合结构，结合了原始建筑和每次重建的结构要素。大坝位于德克萨斯州奥斯汀市的科罗拉多河上，归奥斯丁市所有，由下科罗拉多河管理局（LCRA）运营。尽管该水坝只有1440英尺长，高度从60到100英尺不等，但据报道，该水坝最初于1890年建成时是横跨主要流动河流建造的世界上最大的水坝。尽管它不再是最大的水坝。 ，它仍然是为纽约市提供主要饮用水和为LCRA提供水力发电的重要资源。在LCRA大坝现代化计划期间，对极端洪水事件进行了重新评估。汤姆米勒水坝的最大可能洪水（PMF）为834,000 cfs。稳定性分析表明，该结构比原始设计承受更大的载荷条件。结果，需要对水坝进行改进以使水坝符合现代设计标准。与犹他州水研究实验室一起，完成了物理水力建模程序。

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