摘要
库区可能渗漏的岩溶形态，特别是岩溶负向形态的观测、钻孔和跨孔电磁波透视及ＣＴ层析成像揭示，库区的岩溶渗漏途径有所不同。根据控岩断裂的分布、岩溶发育强度和渗漏途径的变化特征，归纳为３种岩溶渗漏类型（方式）：断裂裂隙间溶裂系统（缝）渗漏，多发生在页岩与碳酸盐岩界面附近；小型溶隙（缝）孔洞渗漏，集中在５００ｍ高程段上下；洞穴复合系统渗漏，主要在５１０ｍ高程上下。库区岩溶渗漏严重性由下而上增强。
On the basis of the observation on the karst features with possible
karst leakage in the reservoir area, and the investigation of electromagnetic wave perspective
and computerized tomography in boreholes or between boreholes, different kinds of karst
leakages at five karst leakage sections have been found. Further, the three kinds of karst
leakages have been confirmed according to the fracture distribution,intensity of karst
development and the changing characteristics of leakage ways,that is,the grike leakage (which
distributes between the high and low boundaries of shale and carbonate rock) between the
fractures; leakages of dissolution pore or solutional cavity, crack near the elevation of 500m;
compound system leakage of caves which mainly distribute near the elevation of 510m,with
more and more serious leakage from lower part to upper part.
出处
《中国岩溶》
CAS
CSCD
1999年第1期56-64,共9页
Carsologica Sinica
基金
国土资源部岩溶动力学开放研究实验室资助
关键词
岩溶
水库
渗漏
地下水
Tankouwan
Reservoir Karst leakage Baojing County of Hunan
