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路基是公路工程中不可缺少的重要组成部分,它是按照设计路线位置和一定技术要求修筑的带状构造物,在运行中主要承受着路面传来的反复荷载,应当具有足够的强度、稳定性和耐久性。
Subgrade is an indispensable part of highway engineering. It is a strip structure built according to the design route and certain technical requirements. During the operation, the subgrade mainly receives the repeated load from the road, and should have sufficient strength and stability And durability.