subgrade conditions

基本解释

The strength and stability of subgrade is the basic conditions to ensure the stability of road.
路基的强度和稳定性是保证路面稳定的基本条件。
By analyzing the stress distribution conditions under subgrade, the paper proposed different compaction standards of quality control.
通过分析路基下应力的分布情况，提出了针对不同的受力要求，在质量控制上采用不同的压实标准。
An introduction is given to natural conditions of subgrade work, main principles for subgrade design, green protection of side slope, and design optimization.
介绍胶新铁路路基工程的自然概况，设计的主要原则，边坡绿色防护和优化概况。