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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 >ARE THOSE CRACKS DANGEROUS? A CASE HSTORY OF AN EARTH DAM WITH CRACKS
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ARE THOSE CRACKS DANGEROUS? A CASE HSTORY OF AN EARTH DAM WITH CRACKS

机译：这些裂纹危险吗？带有裂缝的土坝的案例历史

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摘要

This paper presents a case of an earth dam in the Southwest in which cracks developed. When cracks were discovered, engineers made an extensive investigation with test pits, borings, laboratory testing, and a detailed system of piezometers to measure water pressures within the dam's shell, core, and foundation. Based upon these data, engineers had to make decisions about repair and remedial measures. Such decisions are difficult for the Owner, Engineer, and Regulator, and each has a different approach to such a decision. Evaluation of the cracks requires identifying potential failure mechanisms, and making conclusions about the likelihood of failure. This paper examines the difficulty in diagnosing the severity/significance of these cracks, and making decisions about the need for repair/remedial measures. The paper presents acquired geotechnical data and the theorized causes of cracks.
机译：本文介绍了西南部土坝发生裂缝的案例。当发现裂缝时，工程师对测试坑，钻孔，实验室测试以及详细的测压仪系统进行了广泛的调查，以测量大坝壳体，核心和基础内的水压。基于这些数据，工程师必须做出有关维修和补救措施的决策。对于业主，工程师和监管者而言，这样的决定是困难的，并且每个人对于这种决定都有不同的方法。对裂缝的评估需要确定潜在的失效机制，并对失效的可能性做出结论。本文探讨了诊断这些裂缝的严重性/重要性以及决定是否需要维修/补救措施的难度。本文介绍了获得的岩土数据和理论上的裂缝成因。

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