Experimental Study on the Mechanical Properties of Sandstone under the Action of Chemical Erosion and Freeze-Thaw Cycles

Table 2

Destructive forms of specimens under the coupling action of chemical solutions and freeze-thaw cycles.

Solution	Number of freeze-thaw cycles
	0	15	30	45	60
Acid (pH = 3)
Neutral (pH = 7)
Alkaline (pH = 13)