subgrade conditions

基本解释

The strength and stability of subgrade is the basic conditions to ensure the stability of road.
路基的強度和穩定性是保証路麪穩定的基本條件。
By analyzing the stress distribution conditions under subgrade, the paper proposed different compaction standards of quality control.
通過分析路基下應力的分佈情況，提出了針對不同的受力要求，在質量控制上採用不同的壓實標準。
An introduction is given to natural conditions of subgrade work, main principles for subgrade design, green protection of side slope, and design optimization.
介紹膠新鉄路路基工程的自然概況，設計的主要原則，邊坡綠色防護和優化概況。