Geoscience Reference
In-Depth Information
Table 6.2 Result of geo-technical parameters and safety factor for 10 major landslide sites
Location
r 3
r n
r 1
s
ʦ
C
ʻ
ʱ
F.S.
1. Tindharia tea garden
0.90
1.31818
2.15440
0.59036
19
°
28
0.123
0.588929
35
°
16
0.9975760
2. Lower Paglajhora (14 Miles Bustee)
0.82
1.28942
2.3212
0.69594
22 °
0.149
0.6699594
34 °
0.962668
3. Lower Paglajhora
0.96
1.4583
2.43794
0.6987
19 °
0.162
0.6641329
35 ° 30
0.950526
4. Mahanadi tea garden
0.98
1.5227
2.86
0.85192
25
°
0.145
0.85504667
32
°
30
1.003670
5. Gayabari lower slope (780 M)
0.89
1.27784
2.13032
0.5286
22
°
0.05
0.56628
34
°
1.0712826
6. Tindharia Rly. Stn.
0.92
1.4044
2.553
0.74598
24 °
0.105
0.730279
33 °
0.9789525
7. Shiviter T.E
0.97
1.402407
2.3351579
0.63508
21
°
30
'
0.07
0.6224228
34
°
15
0.9800699
8. Sepoydhura T.E
0.88
1.3098
2.3897
0.681316
25
°
30
'
0.05
0.67474
32
°
15
0.990349
9. Nurbong T.E. (sinking zone)
0.93
1.2965
2.0725
0.5333
21 °
0.0355
0.5331
34 ° 30
0.99977
10. Central part of the watershed
0.87
1.403035
2.76818
0.853036
26
°
0.15
0.834305
32
°
0.978043
r 1 = major principal stress;
r 3 = minor principal stress;
r n = normal stress;
s
= shear stress;
ʦ
= angle of internal friction; C = cohesion;
ʻ
= shear strength;
ʱ
= rupture angle; and F.S. = safety factor
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