Based on the complexity of geological environmental conditions of Zoumaling tunnel, it is necessary to monitor the deformation of deep surrounding rock.
基于隧址区地质环境条件的复杂性，有必要进行施工围岩变形监测。
Results indicate that the combination support of side slope of deep foundation pit is a safe, economic and effective support method under complicated geological and environmental conditions.
支护结果表明，深基坑边坡联合支护是处理复杂地质条件和环境条件的安全、经济、有效的支护方法。
The origin of the hazard is the disordered mining of coal pits along a river, and geological and environmental factors are the necessary conditions of the hazard.
沿河小煤窑的无序开采是这种地质灾害产生的根源，而地质及环境因素是灾害产生的必要条件。
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