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Stability Analysis of Surrounding Rock of Tunnels with Large Diameter
Author(s): 
Pages: 54-56
Year: Issue:  1
Journal: Hydropower Automation and Dam Monitoring

Keyword:  隧洞回归模型空间分布围岩稳定性;
Abstract: 水工隧洞洞径大,地质构造复杂,因其地质背景和岩体各种特性参数不准确,理论计算难以准确掌握其工作状态,尤其在施工期还受到施工过程的扰动.原型监测是监控其工作状态的有效手段.文中以某电站地下厂房进水隧洞为例,根据现场监测资料,通过建立回归模型,分析、预测隧洞围岩体的变化规律,并探讨了围岩体的空间变形分布情况.分析结果表明隧洞围岩体目前是稳定的.
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