高密度电阻率法在蓄水池渗漏原因调查中的应用  

Application of high density resistivity method in the cause investigation of reservoir leakage

作　　者：张赓[1] 庹先国[2,3] 汪楷洋[1] 李彬[1] 

机构地区：[1]地球探测与信息技术教育部重点实验室成都理工大学,成都610059 [2]地质灾害防治与地质环境保护国家重点实验室成都理工大学,成都610059 [3]西南科技大学,四川绵阳621010

出　　处：《工程勘察》2013年第8期92-95,共4页Geotechnical Investigation & Surveying

基　　金：国家自然科学基金重大科研仪器设备研制专项(41227802);地质灾害防治国家重点实验室基金(SKLGP2010Z002)

摘　　要：采用高密度电阻率法对蓄水池渗漏原因进行调查,证实了蓄水池东北侧有区域断层穿过并查明了蓄水池内部发育的两处溶洞。由此,进一步分析了蓄水池渗漏的两方面原因:①区域断层穿过场址,导致岩体破碎;②蓄水池下伏层为灰岩,易受地下水的长期溶蚀。从本次探测效果来看,高密度电法对含水断层以及溶洞的定位能力较好,但受上覆低阻屏蔽层的影响,对溶洞规模的探测效果欠佳。By using the high density resistivity method to investigate the reasons of the reservoir leakage, it is proved that there exist the regional faults in the northeast of the reservoir and found two karst caves grown inside the reservoir. The reasons for the reservoir leakage are further analyzed. （1）the regional faults pass cross over the site which lead to the rock crushed; （2） the reservoir underlying bed is limestone, which is easy to be eroded by underground water in long term. From this detection effects, it is better to using the high density resistivity method to orientate the water-faults and karst caves, but which influenced by the overlying low resistance shielding layer, it is not good enough to detect the scale of the karst caves.

关 键 词：高密度电法 水池渗漏 断层 溶洞 

分 类 号：P631.322[天文地球—地质矿产勘探]