Research Article

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

Table 3

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

SolutionPeak strength (MPa)Peak strength reduction rate (%)
90 d150 d210 d90 d150 d210 d

0.01 mol/L NaCl ()123.12110.26100.3323.4931.4837.65
0.01 mol/L NaCl ()133.30119.46110.1217.1625.7631.56
0.01 mol/L Na2CO3 ()135.67126.31118.7915.6921.5026.18
0.01 mol/L Na2CO3 ()138.23128.67122.4614.0920.0423.90
0.01 mol/L Na2SO4 ()127.62116.38105.5820.6927.6734.39
0.01 mol/L Na2SO4 ()132.47122.82113.4717.6723.6729.48
Distilled water ()142.13133.98123.1911.6716.7423.44