Research on Full-Section Anchor Cable and C-Shaped Tube Support System of Deep Layer Roadway

Table 4

Support member parameters.

Type	Anchor cable	Bolt	Beam	Shell
Diameter (mm)	21.6	20
xcarea (mm^2)	366	380	307.7
emod (GPa)	195	200	200	26
Breaking load (KN)	540	216
gr_per (mm)	100	100
gr_k/(MN/m/m)	17.5	17.5
gr_coh (MN/m)	0.44	0.44
nu			0.3	0.25