unfavorable geological

基本解释

Anchored retaining wall can reduce the earth excavation quantity and avoid slope collapse in unfavorable geological conditions effectively.
锚杆挡土墙可减少土方开挖工程量，有效避免不良地质情况下的边坡塌方。
This paper introduces excavation of the unfavorable geological section of tunnel project of Wanjiazhai YRDP, temporary brace and construction of concrete lining.
文中介绍了万家寨引黄隧洞工程不良地质洞段施工中的开挖，临时支护，混凝土衬砌等。
The paper summarizes the engineering geologic and hydrogeologic condition along the Shanghai Chongming Tunnel and analyses the unfavorable geological condition and its solution in the site.
对上海崇明越江隧道工程沿线的工程地质和水文地质条件进行概略总结，并对场地内的不良地质及其对策进行了分析评价。

不良地质
The builder bravely made an attempt to a series of unfavorable geological feature, complex geologic structure, and bad mountainous working region.
该条公路在建设中遇到了诸多复杂的工程问题，针对一系列不良地质水文情况，复杂的地质构造，恶劣的山区筑路环境，公路建设者进行了大胆的尝试。