九江地震台观测环境因素引起的洞体应变异常机理探讨
Journal of Geodesy and Geodynamics（2015）
Abstract
九江台2008～2013年洞体温度年变化、气压骤升、集中降雨、抽水和承压含水层卸载引起洞体应变异常幅度为10-9～10-6量级,洞体应变异常机制主要为观测介质的温度效应和山体附加应力的加卸载过程,台站应变观测对局部应力场的敏感性为捕捉地震前兆异常提供了可能性.
MoreKey words
cave strain observation,abnormity response,static mechanical model,temperature effect,extra-stress
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