foundation surface meaning in English

基底面

In the mechanism analysis of consolidation of foundation soil by heavy tamping method , the dynamic contact stress calculation of hammer bottom and foundation surface is the key technical problem
摘要在强夯法加固地基机理的分析中，夯?底部与地基表面的动接触应力计算是关键技术问题。
Assuming the load on the plate is transmitted in distributional state to the foundation , on the basis of the relationship between the nodal force and its displacement on the semi - infinite surface , the relationship between the distributional forces on the foundation surface and the nodal displacements is developed by use of the gaussian integral method
假设板上荷载按分布力形式传递到地基中，根据半无限空间上某节点力与该处的位移关系，用高斯积分法建立了地基表面分布力与节点位移关系表达式。