老挝Nam Ngum5水电站坝基抗滑及变形稳定分析
Yunnan Water Power(2015)
Abstract
老挝Nam Ngum5水电站大坝为碾压混凝土重力拱坝.坝基岩体为二叠系砂岩、泥岩,坝基开挖揭露有13条顺层发育的软弱岩带,经研究分析,坝基不存在深层抗滑稳定问题,坝基浅部岩体和局部风化卸荷岩体已进行固结灌浆处理、对坝基出露的软弱岩带采取了工程处理措施后,坝基满足建坝要求.
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