An Experimental Investigation on the Mechanical Properties of Gangue Concrete as a Roadside Support Body Material for Backfilling Gob-Side Entry Retaining

Table 1

Unconfined uniaxial compression test results for the standard cylindrical gangue samples.

Gangue no.	Sample size (mm)		Compressive strength (MPa)	Elastic modulus (GPa)	Poisson’s ratio
	Diameter	Height
G-01	49.8	98.3	9.17	5.11	0.21
G-02	49.8	97.7	10.33	4.32	0.26
G-03	49.9	102.3	7.32	6.22	0.18
G-04	49.8	101.7	11.82	4.83	0.22
G-05	49.9	98.6	10.52	5.08	0.22