Analysis on the Mechanical Characteristics and Energy Conversion of Sandstone Constituents under Natural and Saturated States

Table 1

Strain energy at peak stress point under uniaxial compression test (kJ⋅m⁻³).

Strain energy	Natural state			Saturated state
	I-1	I-2	I-3	II-1	II-2	II-3
	165.24	158.22	171.71	138.26	148.53	146.75
	135.45	135.87	128.57	111.75	112.89	121.17
	29.79	22.35	43.15	26.51	35.64	25.58