Failure Mechanism and Control Technology of Thick and Soft Coal Fully Mechanized Caving Roadway under Double Gobs in Close Coal Seams

Table 4

Bolt/cable properties used in the numerical model.

Type	D (mm)	L (mm)	E (GPa)	F (N)	(N.m^−1)	(N.m^−2)
Roof bolt	22	2700	2.00 E + + 02	1.34 E + 05	3.23 E + 05	2.02 E + 08
Rib bolt	16	1800	2.00 E + 02	1.34 E + 05	3.23 E + 05	2.02 E + 08
Roof cable	17.8	7000	2.00 E + 02	2.54 E + 05	3.61 E + 05	2.53 E + 08