吉林大学学报(地球科学版) ›› 2018, Vol. 48 ›› Issue (5): 1566-1573.doi: 10.13278/j.cnki.jjuese.20180166
• 中国水利学会勘测专业委员会专栏 • 上一篇
王吉亮, 郝文忠, 黄孝泉, 许琦, 魏雨军, 周炳强, 徐磊
Wang Jiliang, Hao Wenzhong, Huang Xiaoquan, Xu Qi, Wei Yujun, Zhou Bingqiang, Xu Lei
摘要: 特高型拱坝坝拱座岩体承受的荷载巨大,坝基岩体质量是拱座稳定的关键,在施工期如何准确评价坝基岩体质量,是拱坝建基岩体工程地质研究的重要问题。本文以工程地质条件研究为基础,从岩性、岩体结构分布着手,研究建基岩体工程地质特征;以现场、室内试验、声波测试为依据,建立坝基岩体质量评价标准。对乌东德拱坝施工期揭露的建基面岩体进行质量划分,研究发现:乌东德拱坝建基岩体质量优良,以Ⅱ级岩体占绝大多数,少量Ⅲ1级岩体,极少量Ⅲ2级岩体,与可研成果高度吻合;建基岩体满足岩体质量与声波验收要求,岩体质量空间分布较连续,且相对均匀,有利于承受拱坝推力。
中图分类号:
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