soft foundation的用法和样例：
例句
- CPT and SPT test were conducted before and after the treatment to study the improvement of the soft soil ground.
通过对比处理前后试验区内的静力触探与标准贯入试验结果分析其对软弱地基的加固效果。 - When dynamic compaction method is used to improve the soft soil foundation, environmental vibration will appear due to radiating of compaction energy.
摘要利用强夯法加固软弱地基时，其夯击能将以波的形式向外扩散，进而导致周围环境的振动。
