Study on Restoration Materials for Historical Silty Earthen Sites Based on Lime and Starch Ether

Table 5

Shear strength and compressibility indexes of original site soil and modified soil.

Sample	Parameter
	Cohesion (kPa)	Internal friction angle (°)	Compressibility coefficient (MPa^−1)	Compression index
Site soil	110.07	40.51	0.072	0.078
Modified soil	121.40	50.24	0.042	0.016