Slope mass rating-based analysis to assess rockfall hazard on Yogyakarta Southern Mountain, Indonesia

Geoenvironmental Disasters

Table 13 Indirect RQD measurements

Sta.	Space of discontinuous planes (m)				Jv	RQD (%)	Description
Sta.	Set 1	Set 2	Set 3	Set 4	Jv	RQD (%)	Description
1	0.415	0.200	0.240		11.560	76.850	Good
2	1.043	0.636	0.300		3.025	100.000	Very good
3	0.477	0.667	1.167		4.460	100.000	Very good
4	0.676	0.750	0.515		4.740	99.360	Very good
5	0.453				2.200	100.000	Very good
6	1.200				0.833	100.000	Very good
7	0.170	0.237			10.100	81.670	Good
8	0.580				1.720	100.000	Very good
9	0.560	0.820			3.000	100.000	Very good
10	0.380	0.730	0.710	0.165	11.400	77.400	Good
11	0.340	0.500			4.940	98.700	Very good
12	0.350	1.660			3.450	100.000	Very good
13	1.360	1.067			1.670	100.000	Very good
14	0.240				4.160	100.000	Very good
15	0.970				1.030	100.000	Very good
16	2.110	1.440			1.160	100.000	Very good
17	1.625	0.625			2.215	100.000	Very good