surrounding ground meaning in English

周围土地

The research of effect of the tectonic stress to surrounding ground stability of coal bed tunnel
构造应力对煤层巷道围岩稳定性的影响研究
Research on the effect of dilatancy characteristics to the law of surrounding ground deformation in soft rock roadway
膨胀特性对软岩巷道围岩变形规律的影响研究
In setting up the model of optimizing design of dewatering program , the goal function ( reduction pressure coefficient ) was to make surrounding ground settlement minimum under the promises of ensuring foundation pit draw down
在降水优化设计模型的建立中，以减降系数为目标函数，在保证基坑降深的前提下，使周边地面产生的沉降最小。
Whether the geleshan tunnel ' s lots of water invasion during construction period brings about surround ground water or underground water drying , threatens sixty thousands persons and two hundreds enterprises " existence , and more leads vegetation to regress , or brings about ground ' s collapse , etc . is the necessary problem should be considered during the tunnel construction
因此，歌乐山隧道在施工期间是否会由于隧道大量涌水，导致周围地表水、地下水的疏干，威胁到山上6万多居民和200多家企事业单位的生产生活。进而可能造成地表植被退化，甚至引起地表塌陷等多方面的负面影响，是隧道施工中必须考虑的问题。