Conductivity characteristics of magmatic rock intrusions contained in metamorphic rock strata in Mupi Highway Tunnel

作     者：Li Bin Xu Qiang Yu Jianhua Cheng Qiang Feng Chongde Zhao Hu Liu Tianxiang Yang Xubo 李斌;许强;余建华;程强;封崇德;赵虎;刘天翔;杨绪波

作者机构：Chengdu University of TechnologyState Key Laboratory of Geohazard Prevention and Geoenvironment ProtectionSichuanChengdu 610059China Sichuan Highway PlanningSurveyDesign and Research Institute Ltd.SichuanChengdu 610041China 

基　　金：National Natural Science Foundation of China(41630640) National Science Foundation of Innovation Research Group(41521002) National Natural Science Foundation of China(41790445) Construction S&T Project of Department of Transportation of Sichuan Province(Grant No.2020A01) 

出 版 物：《Applied Geophysics》 (应用地球物理(英文版))

年 卷 期：2025年第22卷第1期

页      码：146-160,234,235页

摘      要：The stratum lithology and geological structure of the highway tunnel in the mountainous areas of western China are complex,and the engineering geological conditions are *** the highway tunnel passes through different lithological strata,its structural design and construction technology are completely diff ***,in order to support the tunnel design and construction,the tunnel survey Among them,the identifi cation of the contact boundary between magmatic rock and metamorphic rock and the grade of surrounding rock is very *** magnetotelluric survey of the Mupi tunnel of Jiuzhaigou-Mianyang highway on G8513 line,2D forward numerical simulation,1D,2D,3D inversion,and engineering geological analysis,it is revealed that the electrical characteristics of each layer,focusing on the identifi cation of the contact boundary between magmatic rock and metamorphic *** study provides the electrical characteristics of the magmatic rock and metamorphic rock contact boundary of the Mupi *** is speculated that the boundary is revealed by the tunnel construction excavation,which verifies the correctness of the geophysical inversion model and provides a more detailed design basis for the tunnel design.I believe that taking the Mupi Tunnel survey as an example,through this research,it can provide detailed geophysical evidence for highway tunnels to distinguish between magmatic rock and metamorphic rock.

主 题 词：Highway tunnel magnetotelluric method engineering geology magmatic rock metamorphic rock 

学科分类：081803[081803] 08[工学] 0818[工学-交通运输类] 

核心收录：

D　O　I：10.1007/s11770-022-0972-0

馆 藏 号：203114646...