摘要
为查明野三河水电站发电引水隧洞岩溶破碎带的厚度,及左坝肩帷幕灌浆平洞底板、顶板和侧壁的岩溶发育情况,采用地质雷达对目标体进行探测。阐述了地质雷达资料的解释原理与应用中的问题,对可能出现的岩溶问题进行了分析,经钻孔和灌浆验证,探测结果所指定的岩体破碎带、溶蚀洞穴区与钻孔抽样检验结果基本吻合,为工程设计方案优化提供了依据。
In order to ascertain the thickness of karst fractured beh at diversion tunnel of Yesanhe Hydropower Station and the karst development condition of floor, roof and side wall of curtain grouting adit in the left abutment, geological radar was used to explore the geological condition. The interpretation principle of geological radar data and the problems in application are de- scribed, and the possible karst problems in construction are analyzed. Drilling and grouting verify that the detected karst fractured belts and karst cave zones are agreed with those of sample - drilling test, which provides basis for design scheme optimization.
出处
《人民长江》
北大核心
2010年第11期47-50,共4页
Yangtze River
关键词
地质雷达
隧洞探测
岩溶
破碎带
野三河电站
geological radar
tunnel exploration
karst
fractured belt
Yesanhe Hydropower Station
