Influencing Factors and Prediction Model for the Antierosion Performance of Cement-Improved Loess Compacted Using Different Compaction Methods

Table 10

The design criteria for UCS of CIL based on the antierosion performance.

Railway classification	Design speed (km/h)	Unconfined compressive strength (MPa)
		The bottom layer of the subgrade bed		The embankment below subgrade bed
		Specification value	Revised value	Specification value	Revised value
Ballast track	120, 160	≥0.35	≥0.48	≥0.20	≥0.28
	200			≥0.25	≥0.34
Ballastless track	250, 300	≥0.35	≥0.48	≥0.25	≥0.34
	350