川东北地区红层水岩作用的时效性试验研究  

Experimental Research on the Time Effect of the Red Beds Rock-Water Interaction in the Northeast of Sichuan

作　　者：魏鹏[1] 王运生[1] 吴俊峰[1] 王晓欣[1] 徐鸿彪[1] 

机构地区：[1]成都理工大学地质灾害防治与地质环境保护国家重点实验室,成都610059

出　　处：《南水北调与水利科技》2009年第1期83-85,106,共4页South-to-North Water Transfers and Water Science & Technology

基　　金：国家自然科学基金资助(40672174/D0214)

摘　　要：川东北地区中生代红层分布广泛,水利工程较多,研究库区红层岩石水岩作用的时效性具有工程意义。通过对该地区7个水库采样点所采集的岩石样品进行室内软化系数的测定,所得出红层岩石经历长时间浸泡后软化系数随年代的变化规律,结果显示红层经过30～50年水库浸泡后软化系数降低10%～20%。Red beds and hydraulic projects are widely spread in the northeastern of Siehuan, there is an engineering significance studying on the time effect of the red rock water-rock interaction. Through experiment on six sets of samples of red beds collected from six reservoirs, we can obtain how softening coefficients of water-soaked red beds change over long time periods. Analyzing results show that the softening coefficient of the red beds can be reduced 10%-20% after 30-50 y socking period than those we generally get from lab.

关 键 词：川东北地区 红层 水岩作用 时效性 

分 类 号：TV697.33[水利工程—水利水电工程] P642.2[天文地球—工程地质学]