Abstract: Muzhailing?super?long?tunnel?in?Lanzhou-Chongqing?railway?has?many?characteristics,?such?as?great?buried?depth,?high?ground?stress,?tectonic?evolution,?and?large?scale?distribution?of?slate?and?carbonaceous?slate.?According?to?these?charac-?teristics,?various?investigating?means?are?used?during?the?process?of?investigation,?that?is?to?say,?making?use?of?the?macroscopic?function?of?remote?sensing,?taking?the?geology?investigation?as?the?foundation,?using?physical?exploration?to?decode?and?interpret,?as?well?as?taking?drilling?as?the?verification.?This?comprehensive?investigation?has?received?very?good?results?in?practical?work,?which?provides?references?and?experience?for?the?super?long?tunnel?investigation?in?mountainous?railway

Key words: super long tunnel , remote sensing , physical exploration , drilling , trial ;

摘要： 兰渝铁路木寨岭特长隧道具有埋深较大、高地应力、构造发育、板岩夹炭质板岩大面积分布的特点,在勘测过 程中,针对该特点,采用多种勘察手段,发挥遥感的宏观控制作用,以地质调绘为基础,利用综合物探的解译,辅以 钻孔加以验证,在实际工作中收到了很好的效果。为以后山区铁路长大隧道的勘察提供了经验。

关键词: 特长隧道, 遥感, 物探, 钻探, 试验