白鹤滩水电站巨型导流洞关键岩石力学问题与对策

doi:10.3973/j.issn.2096-4498.2018.03.005

Tunnel Construction ›› 2018, Vol. 38 ›› Issue (3): 383-391.DOI: 10.3973/j.issn.2096-4498.2018.03.005

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白鹤滩水电站巨型导流洞关键岩石力学问题与对策

周垂一^{1, *}，陈平志^{1, 2}，何世海¹，陈建林¹，刘宁^{1, 2}，褚卫江^{1, 2}

（1. 中国电建集团华东勘测设计研究院有限公司，浙江杭州 311122;  2. 浙江中科依泰斯卡岩石工程研发有限公司，浙江杭州 310014）

Received:2018-01-31 Online:2018-03-20 Published:2018-04-11

Abstract

Abstract:

白鹤滩水电站的导流洞工程规模宏大，地质条件复杂，开挖过程中出现了多种复杂的岩石力学问题。文章深入分析沿软弱结构面的塌落、应力型片帮、含微裂隙岩体的破裂破坏、柱状节理松弛破坏、结构面影响的局部化应力及优势裂隙组合的应力型问题等典型破坏模式及其蕴含机制，对不同类型破坏的支护措施、支护时机、施工方法、监测反馈方法等工程对策进行归纳总结，通过这些工程对策成功应对了上述岩石力学难题，实现复杂地质条件下地下洞室围岩稳定控制，保证白鹤滩巨型导流洞工程顺利完工。

Key words: 白鹤滩水电站, 导流洞, 错动带, 柱状节理, 高应力, 工程对策

CLC Number:

U 45

周垂一，陈平志，何世海，陈建林，刘宁，褚卫江. 白鹤滩水电站巨型导流洞关键岩石力学问题与对策[J]. Tunnel Construction, 2018, 38(3): 383-391.

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白鹤滩水电站巨型导流洞关键岩石力学问题与对策

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