Mechanical Damage and Chemical Dissolution Kinetic Features of Limestone under Coupled Mechanical-Hydrological-Chemical Effects

Table 4

Peak strength of limestone under coupled MC effects in uniaxial compression tests.

Solution	Peak strength (MPa)			Peak strength reduction rate (%)
	90 d	150 d	210 d	90 d	150 d	210 d
0.01 mol/L NaCl ()	133.68	123.01	116.23	16.92	23.55	27.77
0.01 mol/L NaCl ()	139.07	132.84	125.02	13.57	17.44	22.30
0.01 mol/L Na2CO3 ()	142.36	134.18	126.78	11.53	16.61	21.21
0.01 mol/L Na2CO3 ()	144.44	137.38	129.85	10.24	14.62	19.30
0.01 mol/L Na2SO4 ()	136.46	127.69	121.58	15.19	20.65	24.44
0.01 mol/L Na2SO4 ()	141.56	133.17	125.69	12.03	17.24	21.89
Distilled water ()	148.62	137.09	131.64	7.64	14.80	18.19