汶川地震对冶勒大坝右岸抗渗稳定性的影响评价

来源 :水力发电 | 被引量 : 0次 | 上传用户：walkeronmoon

【摘要】

：

冶勒大坝为沥青混凝土心墙堆石坝,最大坝高124.5 m,坝基地质条件极其复杂.该坝址距"5.12"坟川大地震震中约258 km,地震发生时坝区震感强烈.从渗流量及渗流场变化、坝基覆盖层

【作者】

：

郑培澳崔会东刘俊林赵静

【机构】

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云南鲁布革顾问有限公司,武汉大学水资源与水电工程科学国家重点实验室

【出处】

：

水力发电

【发表日期】

：

2004年期

【关键词】

：

汶川地震抗渗稳定性评价冶勒大坝

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冶勒大坝为沥青混凝土心墙堆石坝,最大坝高124.5 m,坝基地质条件极其复杂.该坝址距"5.12"坟川大地震震中约258 km,地震发生时坝区震感强烈.从渗流量及渗流场变化、坝基覆盖层液化和防渗墙地质雷达检测结果等3个方面分析评价了汶川地震对冶勒大坝右岸抗渗稳定性的影响.结果表明:汶川地震对冶勒大坝右岸局部地层确有轻微影响,但防渗墙未出现横向贯穿性裂缝;坝基覆盖层在地震主震作用下不会发生液化;右岸整体抗渗稳定性并未受到实质性影响.

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汶川地震对冶勒大坝右岸抗渗稳定性的影响评价

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