1.
Project overview: The total length of the project route is 2.
516km, which is constructed according to the standard of two-way four lane municipal first-class highway.
72% of the subgrade along the route is in Class IV self weight collapsible loess stratum, with a collapsibility coefficient of 0.
025~0.
057, a thickness of 5~14m, and a weak foundation bearing capacity (90~120kPa).
.