Research on the Technology of Plugging Gushing Water in the Vertical Shaft under Complicated Conditions

Table 10

Uniaxial tensile strength test.

No.	Specimen size (mm)		Failure load (kN)	Average tensile strength (MPa)	Deformation (mm)	Extension rate (%)
	Diameter	Length
1	22	180	17.0	44.7	8.61	4.78
2	22	180	13.2	34.7	5.67	3.15
3	22	190	15.6	41.0	6.72	3.54