In loess moist subsidence area building high grade highway, it must be treat for highway subsoil. so that eliminate loessial moist subsidence and increase strength.
在湿陷性黄土地区修建高等级公路，应对公路地基进行处理，以消除黄土的湿陷性并提高其承载力，确保路基路面稳定安全。
Construct the high grade highway in the mountain area, we can't avoid meeting many high and steep cutting slope.
在山区建设高等级公路，不可避免会遇到大量的高陡路堑边坡。
This paper discusses the design methods of high-grade highway in water source protection area.
论述了水源保护区高等级公路的设计方法。
This paper discusses the design methods of high-grade highway in water source protection area.
论述了水源保护区高等级公路的设计方法。
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