additional soil造句

the penetration test study the disturbance of soil in difference location . by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil
采用有限元计算分析的方法，对顶管施工引起的地层运动及地表位移进行研究，分析了机头土压力、机头偏斜、摩阻力等不同施工参数对地表变形的影响以及附加应力在土中的分布规律和影响范围。
It's difficult to find additional soil in a sentence. 用additional soil造句挺难的