An Improved Method for Estimating the Strength of Jointed Rock Mass Using Drilling Technology

Table 5

Using the developed method Equation (17) and the previous relationship, the evaluated strength values of the weights listed in Table 4.

No.
	Equation (4)	Equation (5)	Equation (6)	Equation (7)	Equation (8)	Equation (9)	Equation (10)	Equation (11)	Equation (12)	Equation (13)	Equation (14)	Equation (15)	Equation (17)
1	18.7	28.4	68.1	35.1	13.9	53.0	30.2	32.1	49.8	22.0	71.1	54.0	51.2
2	10.6	19.1	43.7	25.8	11.3	45.0	20.8	24.4	42.2	19.0	60.3	22.5	10.1
3	12.1	21.0	48.5	27.7	11.8	46.8	22.7	26.0	43.9	19.7	62.7	27.4	13.6
4	15.7	25.2	59.5	32.0	13.0	50.5	27.0	29.5	47.3	21.1	67.6	33.6	21.2
5	13.8	23.0	53.7	29.8	12.4	48.6	24.8	27.6	45.6	20.4	65.1	28.7	17.9
6	5.4	12.0	25.8	17.9	8.8	37.0	13.4	18.1	34.7	15.9	49.6	10.5	3.1
7	18.3	28.0	66.9	34.7	13.8	52.7	29.8	31.7	49.4	21.9	70.7	49.3	45.7
8	13.4	22.5	52.5	29.3	12.3	48.2	24.3	27.3	45.2	20.2	64.6	44.6	38.6
9	19.1	28.9	69.4	35.6	14.0	53.4	30.7	32.5	50.1	22.2	71.6	53.4	51.2
10	5.6	9.5	53.0	12.3	5.1	20.1	10.2	11.4	33.8	8.4	64.8	19.4	25.9
11	6.5	10.4	59.2	13.2	5.4	20.9	11.2	12.2	35.3	8.7	67.5	19.0	26.1
12	12.4	22.4	43.7	30.1	13.2	52.5	24.3	28.5	44.5	22.2	60.4	22.1	2.3
13	11.8	21.6	42.1	29.3	12.9	51.8	23.6	27.9	43.8	21.9	59.5	16.9	1.0
14	13.8	24.1	47.6	31.9	13.7	54.2	26.1	30.0	45.9	22.8	62.3	24.5	3.2