Study on Creep Characteristics of Expansive Soil in High-Fill Channel of South-to-North Water Transfer Project

Table 10

Regression analysis equation under the influence of dry density.

Influencing factor	Consolidation pressure (kPa)	Fitting equation	R^2
Dry density	50	y = −0.0022x + 0.0045	0.8528
	100	y = −0.0016x + 0.0036	0.9911
	200	y = −0.0034x + 0.0067	0.9831
	400	y = −0.0225x + 0.0402	0.9089
	800	y = −0.011x + 0.0237	0.9516