Experimental Study on Acoustic Emission Characteristics of Dry and Saturated Basalt Columnar Joints under Uniaxial Compression and Tensile Damage

Table 2

The uniaxial compressive strength.

Moisture condition	Number	Diameter (m)	Length (m)	Fracture load (kN)	Compressive strength (MPa)
Saturated	db-1	50.38	100.42	177.519	89.051
	db-2	50.45	101.12	218.927	109.518
	db-3	50.67	101.05	150.685	74.727
	db-4	50.62	100.74	212.904	105.791
	db-5	50.55	100.84	194.212	96.771
Dry	dg-1	50.76	100.36	237.522	117.374
	dg-2	50.49	100.47	252.518	126.122
	dg-3	50.37	101.22	260.004	130.481
	dg-4	49.96	100.34	240.217	122.537
	dg-5	50.48	100.32	231.178	115.509