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Reason Analysis and Treatment Measure of Collapse in Diversion Tunnel
Author(s): 
Pages: 232-235
Year: Issue:  3
Journal: Resources Environment & Engineering

Abstract: 某水电站引水隧洞穿越一宽33 m的断层破碎带(f484),在开挖过程中,发生了较大范围的塌方。对塌方的主要原因进行分析,提出了“先固结塌方体,再低强度开挖,后加强支护”的总体处理措施,经施工后未发生变形,效果良好。
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