Elastoplastic Analysis of Circular Openings in Elasto-Brittle-Plastic Rock Mass Based on Logarithmic Strain

Table 2

Geometry and material property parameters.

Rock mass	Calculation scheme	LS		SS
		Hard rock	ebp ( = 0°)	1.1436	1.5682	1.1437	1.5863
ebp ( = 30°)	1.1436		2.0381	1.1437	2.0799
ep ( = 0°)	1.0585		1.2556	1.0585	1.2557
ep ( = 30°)	1.0585		1.3159	1.0585	1.3159
Soft rock	ebp ( = 0°)	1.7604	3.9731	1.7615	4.0442
	ebp ( = 30°)	1.7576	11.9596	1.7615	12.3030
	ep ( = 0°)	1.1649	1.3635	1.1650	1.3640
	ep ( = 30°)	1.1649	1.5666	1.1650	1.5674

Note. “ebp” means elastic-brittle-plastic model and “ep” means ideal elastoplastic model.