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首页> 外文会议>ASDSO annual conference >HYDRAULIC MODELING OF TOM MILLER DAM
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HYDRAULIC MODELING OF TOM MILLER DAM

机译：汤姆米勒大坝水力建模

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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：Tom Miller Dam具有独特而有趣的历史，具有三个故障和两个重大重建。当前坝是组合结构元件的复合结构和每个重构。该大坝位于奥斯汀的奥斯汀的科罗拉多河上，由奥斯汀市拥有，由较低的科罗拉多河权威（LCRA）运营。虽然大坝只有1440英尺长，高度从60到100英尺，据据报道，该大坝是世界上最初在1890年建造的主要流动河上建造的世界上最大的大坝。虽然它不再是最大的大坝，仍然是为城市和水电发电提供初级饮用水供应的重要资源。在LCRA大坝现代化计划期间，重新评估极端洪水事件。 Tom Miller Dam的可能最大洪水（PMF）是834,000 CFS。稳定性分析表明，该结构受到比原始设计更严重的负载条件。因此，需要改进大坝，使大坝符合现代设计标准。结合犹他州水研究实验室，完成了物理液压建模计划。

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