工程地质学报2017，Vol.25Issue(6)：1449-1454,6.DOI:10.13544/j.cnki.jeg.2017.06.007
饱水条件下千枚岩软化效应试验分析
SOFTENING EFFECT OF PHYLLITE WITH WATER SATURATION
摘要
Abstract
Water-rock interaction is a main factor that weakens the rock mass strength of reservoir bank slope.Weaken strength for phyllite is especially obvious physical reacting with water.Taking the phyllite of a slope as example,this paper designs conventional triaxial compression tests under different saturated conditions and studies strength change law with saturated time.Results are obtained as follows:(1) the interaction between phyllite and water is strong.The rock strength parameters gradually decrease with the increase of water saturation time.For the first 60 days,the rock mass parameters linearly decrease with saturated time and tend to stable at 70 days.The mechanism gradually evolves elastic deformation to plastic deformation.(2)Weaken law of parameters shows obvious heterogeneity.The weaken degree is first large and then small,and finally tends to be stable.(3)According to shear failure mode,rock saturation is a cumulative process that from micro to macro.To sum up,the results of this paper have a certain reference value for studying the change law of mechanical property for rock mass of reservoir bank slopes.关键词
千枚岩/水岩作用/三轴压缩试验/剪切破坏/力学参数变化Key words
Phyllite/Water-rock Interaction/Triaxial compression test/Shear failure/Changing of mechanical parameters分类
天文与地球科学引用本文复制引用
赵建军,解明礼,李涛,谭盛宇,巨能攀,步凡..饱水条件下千枚岩软化效应试验分析[J].工程地质学报,2017,25(6):1449-1454,6.基金项目
国家科技支撑计划(2015BAK09B01),国家创新研究群体科学基金(41521002),国家重点基础研究计划(973)项目(2013CB733202)资助. （2015BAK09B01）
