Influence of Existing Defects on Mechanical Properties of NC Lining

Table 3

Fitting parameters of bearing capacity loss rate of lining under combined defects.

Defective part	Load direction				c
Crown	Oblique 45°	0.1831	0.1509	5.0950	0.0094	3.4242	0.0577	0.986
	Horizontal	0.4054	0.1741	6.6478	0.0191	1.1493	0.0895	0.985
Spandrel	Vertical	1.6485	0.1339	4.7304	0.1369	0.3973	0.0490	0.985
	Horizontal	0.5973	0.1406	4.7159	0.0426	0.8021	0.0801	0.974