Slope Analysis Worksheet
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Spread Sheet Solution for Slope Stability Analysis Using Fellenius and Simplified Bishop Methods Construction Case Fellenius Metho Simplified Bishop Method f a 0.062 F.S. = 1.174 F.S. = 1.286 F.S. = Slice Area Width H1 H2 Gt Wt c (deg.) (deg.) Hw c X l Numer. ma Numer. ma 1 tri 0.0 rec 0.0 tri 4.50 0.00 3.20 0.125 0.9 0.09 32.0 -1.7 0.00 0.41 0.56 -0.03 0.984 0.98 0.985 0.98 0.985 2 tri 0.0 rec 0.0 tri 3.20 3.20 5.20 0.125 1.7 0.09 32.0 2.9 0.00 0.29 1.05 0.08 1.026 1.30 1.023 1.31 1.023 2A tri 0.0 rec 0.0 tri 1.80 5.20 6.40 0.125 1.3 0.09 32.0 8.0 0.48 0.16 0.77 0.18 1.064 0.89 1.058 0.89 1.057 3 tri 0.0 rec 0.0 tri 5.00 6.40 8.40 0.125 4.6 0.09 32.0 14.5 3.37 0.46 2.12 1.16 1.101 2.44 1.090 2.46 1.088 4 tri 0.0 rec 0.0 tri 5.00 8.40 9.60 0.125 5.6 0.09 32.0 24.8 4.65 0.50 2.19 2.36 1.131 2.70 1.112 2.75 1.109 5 tri 0.0 rec 0.0 tri 5.00 9.60 9.00 0.125 5.8 0.09 32.0 35.5 4.01 0.55 2.00 3.38 1.123 2.94 1.096 3.01 1.092 6 tri 0.0 rec 0.0 tri 4.40 9.00 7.80 0.125 4.6 0.09 32.0 47.7 1.76 0.59 1.49 3.42 1.067 2.79 1.032 2.89 1.028 6A tri 0.0 rec 0.0 tri 0.60 7.80 7.60 0.125 0.6 0.09 32.0 55.1 0.00 0.09 0.21 0.47 1.009 0.41 0.971 0.43 0.965 7 tri 0.0 rec 0.0 tri 3.20 7.60 0.00 0.125 1.5 0.09 32.0 60.5 0.00 0.58 0.47 1.32 0.955 1.30 0.915 1.35 0.910 10 tri 0.0 rec 0.0 tri 0.0 0.00 0.00 0.00 1.000 0.00 1.000 0.00 1.000 (1) (2) (3) (4) (4) Sum 26.7 3.64 10.86 12.35 15.76 16.07 F.S. = (1)+(2)]/(3) F.S. = (4)/ F.S. = (4)/ F.S. gw= N tanf Wsina ma
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Transcript of Slope Analysis Worksheet
Spread Sheet Solution for Slope Stability Analysis Using Fellenius and Simplified Bishop Methods Construction Case
Fellenius Method Simplified Bishop Method f a 0.062 F.S. = 1.174 F.S. = 1.286 F.S. = 1.304
Slice Area Width H1 H2 Gt Wt c (deg.) (deg.) Hw c X l Numer. ma Numer. ma Numer.1 tri 0.0
rec 0.0tri 4.50 0.00 3.20 0.125 0.9 0.09 32.0 -1.7 0.00 0.41 0.56 -0.03 0.984 0.98 0.985 0.98 0.985 0.98
2 tri 0.0rec 0.0tri 3.20 3.20 5.20 0.125 1.7 0.09 32.0 2.9 0.00 0.29 1.05 0.08 1.026 1.30 1.023 1.31 1.023 1.31
2A tri 0.0rec 0.0tri 1.80 5.20 6.40 0.125 1.3 0.09 32.0 8.0 0.48 0.16 0.77 0.18 1.064 0.89 1.058 0.89 1.057 0.89
3 tri 0.0rec 0.0tri 5.00 6.40 8.40 0.125 4.6 0.09 32.0 14.5 3.37 0.46 2.12 1.16 1.101 2.44 1.090 2.46 1.088 2.47
4 tri 0.0rec 0.0tri 5.00 8.40 9.60 0.125 5.6 0.09 32.0 24.8 4.65 0.50 2.19 2.36 1.131 2.70 1.112 2.75 1.109 2.76
5 tri 0.0rec 0.0tri 5.00 9.60 9.00 0.125 5.8 0.09 32.0 35.5 4.01 0.55 2.00 3.38 1.123 2.94 1.096 3.01 1.092 3.02
6 tri 0.0rec 0.0tri 4.40 9.00 7.80 0.125 4.6 0.09 32.0 47.7 1.76 0.59 1.49 3.42 1.067 2.79 1.032 2.89 1.028 2.90
6A tri 0.0rec 0.0tri 0.60 7.80 7.60 0.125 0.6 0.09 32.0 55.1 0.00 0.09 0.21 0.47 1.009 0.41 0.971 0.43 0.965 0.43
7 tri 0.0rec 0.0tri 3.20 7.60 0.00 0.125 1.5 0.09 32.0 60.5 0.00 0.58 0.47 1.32 0.955 1.30 0.915 1.35 0.910 1.36
10 tri 0.0rec 0.0tri 0.0 0.00 0.00 0.00 1.000 0.00 1.000 0.00 1.000 0.00
(1) (2) (3) (4) (4) (4)Sum 26.7 3.64 10.86 12.35 15.76 16.07 16.12
F.S. = (1)+(2)]/(3) F.S. = (4)/(3) F.S. = (4)/(3) F.S. = (4)/(3)
gw=
N tanf Wsina ma
F.S. = 1.174 F.S.= 1.276 F.S.= 1.302 F.S.= 1.306
Spread Sheet Solution for Slope Stability Analysis Using Fellenius and Simplified Bishop Methods Long Term Case
Fellenius Method Simplified Bishop Method f a 0.062 F.S. = 1.174 F.S. = 1.286 F.S. = 1.304
Slice Area Width H1 H2 g W c (deg) (deg) Hw c X l Numer. ma Numer. ma Numer.1 tri 0.0
rec 0.0tri 4.50 0.00 3.20 0.125 0.9 0.09 32.0 -1.7 0.00 0.41 0.56 -0.03 0.984 0.98 0.985 0.98 0.985 0.98
2 tri 0.0rec 0.0tri 3.20 3.20 5.20 0.125 1.7 0.09 32.0 2.9 0.00 0.29 1.05 0.08 1.026 1.30 1.023 1.31 1.023 1.31
2A tri 0.0rec 0.0tri 1.80 5.20 6.40 0.125 1.3 0.09 32.0 8.0 0.48 0.16 0.77 0.18 1.064 0.89 1.058 0.89 1.057 0.89
3 tri 0.0rec 0.0tri 5.00 6.40 8.40 0.125 4.6 0.09 32.0 14.5 3.37 0.46 2.12 1.16 1.101 2.44 1.090 2.46 1.088 2.47
4 tri 0.0rec 0.0tri 5.00 8.40 9.60 0.125 5.6 0.09 32.0 24.8 4.65 0.50 2.19 2.36 1.131 2.70 1.112 2.75 1.109 2.76
5 tri 0.0rec 0.0tri 5.00 9.60 9.00 0.125 5.8 0.09 32.0 35.5 4.01 0.55 2.00 3.38 1.123 2.94 1.096 3.01 1.092 3.02
6 tri 0.0rec 0.0tri 4.40 9.00 7.80 0.125 4.6 0.09 32.0 47.7 1.76 0.59 1.49 3.42 1.067 2.79 1.032 2.89 1.028 2.90
6A tri 0.0rec 0.0tri 0.60 7.80 7.60 0.125 0.6 0.09 32.0 55.1 0.00 0.09 0.21 0.47 1.009 0.41 0.971 0.43 0.965 0.43
7 tri 0.0rec 0.0tri 3.20 7.60 0.00 0.125 1.5 0.09 32.0 60.5 0.00 0.58 0.47 1.32 0.955 1.30 0.915 1.35 0.910 1.36
10 tri 0.0rec 0.0tri 0.0 0.00 0.00 0.00 1.000 0.00 1.000 0.00 1.000 0.00
(1) (2) (3) (4) (4) (4)Sum 26.7 3.64 10.86 12.35 15.76 16.07 16.12
F.S. = (1)+(2)]/(3) F.S. = (4)/(3) F.S. = (4)/(3) F.S. = (4)/(3)
gw=
N tanf Wsina ma
F.S. = 1.174 F.S.= 1.276 F.S.= 1.302 F.S.= 1.306
