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Language:English

Paper Publications

Title of Paper:基于微震监测技术的隧洞强岩爆预测实践

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Date of Publication:2012-09-14

Journal:人民长江

Included Journals:PKU

Volume:43

Issue:17

Page Number:51-54

ISSN No.:1001-4179

Key Words:开挖隧洞;岩爆预测;微震监测;锦屏二级水电站

Abstract:岩爆监测与预报是岩土界公认的世界性难题.锦屏二级水电站的引水隧洞的高地应力和复杂的地质结构导致了该隧洞群开挖过程中岩爆频发,对人员和设备安全造成较大的影响和潜在威胁.以锦屏二级水电站某隧洞开挖过程中强岩爆为例,介绍基于微震监测技术的岩爆预测方法.分析显示,监测系统可以采集到岩爆较为明显的前兆信息,通过人工分析处理后,可对风险区域进行较为准确的预测预报,为工程安全施工提供了重要的参考依据.

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