Mechanical Properties and Failure Modes of Thick-Walled Cylinder Granites with Different Apertures under Triaxial Compression

Table 4

The value of m in the specimen with an aperture of 15 mm.

(r − r0)/(R − r0)		1	1/2	1/3	1/4	1/5	1/6	1/7	1/8	1/9	1/10
σ 3	σ 1	m
5	200.8	8.4103	8.4100	8.4096	8.4091	8.4082	8.4067	8.4040	8.3981	8.3816	8.2976
10	233.1	8.4572	8.4567	8.4559	8.4548	8.4531	8.4503	8.4451	8.4341	8.4031	8.3243
15	254.7	8.5435	8.5428	8.5428	8.5403	8.5381	8.5343	8.5275	8.5129	8.4722	8.3422
20	294.5	8.6039	8.6030	8.6018	8.6000	8.5972	8.5927	8.5843	8.5664	8.5169	8.3603
30	237.7	8.6849	8.6837	8.6819	8.6794	8.6756	8.6692	8.6575	8.6327	8.5643	8.3825
40	290.6	8.7239	8.7215	8.7182	8.7134	8.7060	8.6938	8.6715	8.6242	8.4966	8.3572
Average of m		8.5706	8.5696	8.5683	8.5661	8.5630	8.5578	8.5483	8.5281	8.4724	8.3440
Variance of m		0.9373	0.9358	0.9330	0.8632	0.9255	0.9163	0.8964	0.8376	0.9399	0.4931