煤田地质与勘探Issue(2)：16-20,5.DOI:10.3969/j.issn.1001-1986.2013.02.004
地气测量在二郎山隧道隧址区隐伏断裂探测中的应用
The application of geogas prospecting technique in the delection of concealed fault at Erlangshan tunnel
李友余 1王道永 1吴德超 1周琳雄1
作者信息
- 1. 成都理工大学地球科学学院，四川 成都 610059
- 折叠
摘要
Abstract
The method of geogas measurement was used to detect concealed fault at the site of Erlangshan tunnel. Through processing and comparative analysis of data of five typical sections, the paper determined effectively the existence, the position of outcrops, the dimension and geometrical features of fault, and analyzed the abnormal characteristics of geogas elements of concealed fault. The results show that there exists geogas anomaly along the survey line above the inferred fault at the site of Erlangshan tunnel,and the anomaly has good correspondency to structure. Elements closely related to diagenesis such as La, Ce, Nd, Sm, y, Cd, Cu, Sr, Pb have high sensibility and evident peak, can well reflect the existence of concealed fault. There exists certain relation between the amplitude of geogas anomaly, the cutting depth of fault and the activity of fault.关键词
地气测量/隐伏断裂/二郎山隧道Key words
geogas prospecting technique/concealed fault/Erlangshan tunnel分类
天文与地球科学引用本文复制引用
李友余,王道永,吴德超,周琳雄..地气测量在二郎山隧道隧址区隐伏断裂探测中的应用[J].煤田地质与勘探,2013,(2):16-20,5.
