Table 4 Determination of empirical parameters considering step excavation.
a | b | c | a | b | c | ||||
|---|---|---|---|---|---|---|---|---|---|
Section 1 | Section 2 | ||||||||
1 | 20 | 4 | k1 | 0.0650 | 1 | 27 | 5 | k1 | 0.1082 |
2 | 24 | 2 | 32 | ||||||
3 | 87.3 | 63.3 | k2 | 0.4011 | 3 | 86.9 | 54.9 | k2 | 0.3162 |
4 | 43 | 4 | 27 | ||||||
5 | 61.5 | 18.5 | k3 | 0.1172 | 5 | 46.2 | 19.2 | k3 | 0.1106 |
6 | 157.8 | 6 | 173.6 | ||||||
Section 3 | Section 4 | ||||||||
1 | 19 | 5 | k1 | 0.0817 | 1 | 10 | 2 | k1 | 0.1070 |
2 | 24 | 2 | 12 | ||||||
3 | 149.2 | 125.2 | k2 | 2.2199 | 3 | 45.9 | 33.9 | k2 | 0.6507 |
4 | 43 | 4 | 6 | ||||||
5 | 61.2 | 18.2 | k3 | 0.3227 | 5 | 18.7 | 12.7 | k3 | 0.2438 |
6 | 56.4 | 6 | 52.1 | ||||||
Section 5 | Section 6 | ||||||||
1 | 4 | 3 | k1 | 0.0840 | 1 | 12 | 3 | k1 | 0.0840 |
2 | 7 | 2 | 15 | ||||||
3 | 39.1 | 32.1 | k2 | 0.5856 | 3 | 65.3 | 50.3 | k2 | 0.5856 |
4 | 11 | 4 | 27 | ||||||
5 | 28.6 | 17.6 | k3 | 0.1013 | 5 | 35.7 | 8.7 | k3 | 0.1013 |
6 | 76.8 | 6 | 85.9 | ||||||
Section 7 | Section 8 | ||||||||
1 | 14.2 | 2.2 | k1 | 0.0564 | 1 | 8 | 3 | k1 | 0.0593 |
2 | 16.4 | 2 | 11 | ||||||
3 | 65.4 | 49 | k2 | 0.3178 | 3 | 43.2 | 32.2 | k2 | 0.5930 |
4 | 17 | 4 | 43 | ||||||
5 | 39 | 22 | k3 | 0.1427 | 5 | 50.6 | 7.6 | k3 | 0.1340 |
6 | 154.2 | 6 | 54.3 | ||||||
Section 9 | Section 10 | ||||||||
1 | 24 | 3.8 | k1 | 0.0982 | 1 | 14 | 2.8 | k1 | 0.0996 |
2 | 27.8 | 2 | 16.8 | ||||||
3 | 58.7 | 30.9 | k2 | 0.3931 | 3 | 37.6 | 20.8 | k2 | 0.7969 |
4 | 18.7 | 4 | 23 | ||||||
5 | 38.5 | 20 | k3 | 0.2544 | 5 | 28.1 | 5.1 | k3 | 0.1954 |
6 | 78.6 | 6 | 26.1 | ||||||
