underlying stratum的意思|示意

The direct calculation formulas of the rectangular foundation containing weak underlying stratum are induced and a computer program is developed.

推导出具有软弱下卧层土矩形基础的直接计算公式，编制了相应的计算机程序。

The stress field of the reinforced area and the underlying stratum was calculated and the distribution characteristics of the additional stress field of DJMP...

通过对加固区和下卧层的应力计算分析，揭示了粉喷桩复合地基的附加应力场的分布特性，说明所采用的计算方法是合理可行的。

When there is weak underlying stratum bellowed the soil which is not be reinforced, the weak underlying stratum should be taken checking computations.

当桩端未加固土层以下有软弱下卧层时，应对其进行软弱下卧层验算；