巴贡水电站引水洞地应力测量及分析

汪安全; 艾凯; 尹健民

doi:10.3969/j.issn.1001-5485.2013.06.016

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raybet体育在线院报 ›› 2013, Vol. 30 ›› Issue (6) : 72-75. DOI: 10.3969/j.issn.1001-5485.2013.06.016

岩土工程

巴贡水电站引水洞地应力测量及分析

汪安全¹，艾凯²，尹健民²

作者信息 +

In Situ Geostress Measurement and Analysis for the Power Tunnel of Bakun Hydroelectric Station

WANG An quan ¹,AI Kai ²,YIN Jian min ²

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文章历史 +

摘要

为了评价马来西亚巴贡水电站引水发电洞衬砌方案的可靠性，在引水发电洞沿线3个不同部位采用水压致裂法进行了地应力测试，并结合地质条件进行了有限元回归分析，获得了隧洞沿线岩体初始应力分布。最后从地应力角度，论证了高压隧洞衬砌设计方案。结果表明：隧洞沿线岩体应力状态主要受地形控制，引水隧洞前段围岩最小主应力大于内水压力的1.3倍，满足围岩抗裂设计的要求，该洞段可采用钢筋混凝土衬砌。

Abstract

To assess the reliability of the lining design for Bakun Hydroelectric Station’s power tunnel in Malaysia, the in situ geostress at three positions along the tunnels were measured by hydro fracturing method.

关键词

地应力 / 水压致裂法 / 引水发电洞 / 衬砌

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汪安全，艾凯，尹健民. 巴贡水电站引水洞地应力测量及分析[J]. raybet体育在线院报. 2013, 30(6): 72-75 https://doi.org/10.3969/j.issn.1001-5485.2013.06.016

WANG An quan,AI Kai,YIN Jian min. In Situ Geostress Measurement and Analysis for the Power Tunnel of Bakun Hydroelectric Station[J]. Journal of Changjiang River Scientific Research Institute. 2013, 30(6): 72-75 https://doi.org/10.3969/j.issn.1001-5485.2013.06.016

中图分类号： TV732，TU459.4

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