Rock mass engineering geological problem of bridge site in gorge slope reflect the discrepancy between human engineering activity and engineering geological conditions.

峡谷桥位斜坡岩体工程地质问题是人类工程活动与岩体工程地质条件之间矛盾的反映。

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The geological prediction of tunnel is an important problem for construction quality and safety, and also a difficult object for engineering geophysics.

隧道地质超前预报关系到隧道工程施工质量和安全，是国内外研究的前缘课题，也是工程地球物理研究中的疑难问题之一。

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How to select railway line properly is a key problem needed to the solved urgently in new railway construction according to engineering geological condition.

对新建铁路，如何根据工程地质条件选择经济、合理的铁路线路是新建铁路迫切需要解决的问题。

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