Research on the Collapse Coefficient of Collapsible Loess under Unloading

Table 9

Self-weight collapse coefficient.

Saturation deadweight pressure (kPa)	Unloading quantity (kPa)	Upper pressure after unloading (kPa)	Unloading stress ratio K	δzS	Unloading self-weight collapse coefficient δxzs
51	35	16	0.31	0.024	0.005
74	35	39	0.53	0.020	0.007
87	35	52	0.60	0.030	0.012
104	35	69	0.66	0.025	0.012
119	35	84	0.71	0.032	0.017
137	35	102	0.74	0.030	0.017
151	35	116	0.77	0.026	0.016
176	35	141	0.80	0.023	0.015
195	35	160	0.82	0.029	0.020
209	35	174	0.83	0.021	0.015