路基是公路的主体，它贯穿公路全线并与沿线的桥梁、隧道和涵洞等相连接。路基是路面的基础，路面靠路基来支承，没有稳固的路基就没有优良的路面。因此如何做出高质量路基是修筑出高质量公路之关键。随着我国的迅速崛起，公路建设日新月异，对公路的整体要求也越来越高，控制路基施工质量也成为公路工程施工的重中之重了。%Subgrade is the main body of highway, which runs through the highway across the board and connects with bridge, tunnel and culvert. Subgrade is the foundation of the road and supports the road. There is not good pavement without solid subgrade. So how to make high quality subgrade is the key of high quality highway. With China's rapid development, highway construction is rapidly changing, and the overall requirements highway is increasingly high. Controlling subgrade construction quality has become the top priority of the highway construction.
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