Influence of Parallel Joint Spacing and Rock Size on Rock Bulk Modulus

Table 2

Values of elastic modulus.

Numerical plans	Rock size (mm)	Elastic modulus (GPa)
		Plan 8	Plan 9	Plan 10	Plan 11	Plan 12
		s = 10 mm	s = 20 mm	s = 30 mm	s = 40 mm	s = 50 mm
Plan 1	l = 100	1.750	2.957	3.236	3.519	3.338
Plan 2	l = 200	0.864	1.542	1.681	1.769	1.607
Plan 3	l = 400	0.438	0.734	0.859	0.911	0.834
Plan 4	l = 600	0.290	0.488	0.563	0.570	0.557
Plan 5	l = 800	0.218	0.380	0.406	0.439	0.418
Plan 6	l = 1000	0.172	0.298	0.327	0.333	0.344
Plan 7	l = 1200	0.145	0.243	0.272	0.297	0.273