Macro- and Microresearch on Swelling Characteristics and Deformation Mechanism of Red-Bed Mudstone in Central Sichuan, China

Table 3

Water immersion test results of undisturbed red-bed soft rock.

Sampling location	State of samples	Initial water content (%)	(%)	Inflection point of deformation (h)	Stable time (h)
Yibin	Undistributed	4.5%	1.37	11.5	60
Neijiang			1.78	9	76
Qianjiang			1.29	11.5	68
Yibin	Natural air-dried	2.0%	2.25	5.5	48
Neijiang			2.28	7.3	34
Qianjiang			2.06	5.7	47