a segurança de barragens ea gestão de recursos hídricos no brasil

Tabela 9 – Resultado do Método “Advanced First Order Second Moment”
(AFOSM)
1a. Iteração
Xi* σ µ δg/δXi* α u-ασβ
C 1,33347 0,14811 1,3540257 23,85 0,526 1,064
L 76,6799 2,95895 77,08007 8,287 0,183 75,067
Qa 76,3872 49,1395 67,371483 -37,6 -0,830 219,132
Qs= Qe= Z = Qs-Qe =
167,7442 167,7441 1,95E-05 β = 3,720
2a. Iteração
Xi* σ µ δg/δXi* α u-ασβ
C 1,06398 0,07977 1,2342942 12,58 0,160 1,202
L 75,0669 3,17993 77,144811 7,106 0,090 76,421
Qa 219,132 101,211 0,9782415 -77,5 -0,983 252,061
Qs= Qe= Z = Qs-Qe =
192,9512 192,951 0,00026 β = 2,524
3a. Iteração
Xi* σ µ δg/δXi* α u-ασβ
C 1,20217 0,15257 1,3517204 24,49 0,274 1,241
L 76,4213 3,03109 77,092848 7,653 0,086 76,406
Qa 252,061 111,952 -23,84388 -85,7 -0,958 260,175
Qs= Qe= Z = Qs-Qe =
199,1625 199,1622 0,000282 β = 2,648
4a. Iteração
Xi* σ µ δg/δXi* α u-ασβ
C 1,24112 0,15839 1,3568161 25,42 0,277 1,240
L 76,4061 3,03486 77,093694 7,911 0,086 76,399
Qa 260,175 114,503 -30,22046 -87,7 -0,957 260,003
Qs= Qe= Z = Qs-Qe =
199,0302 199,0302 -4,5E-07 β = 2,649
5a. Iteração
Xi* σ µ δg/δXi* α u-ασβ
C 1,2404 0,15833 1,3567768 25,41 0,277 1,240
L 76,3994 3,03651 77,094065 7,91 0,086 76,399
Qa 260,003 114,445 -30,07449 -87,6 -0,957 260,000
Qs= Qe= Z = Qs-Qe =
199,0279 199,0279 -9,4E-09 β = 2,649
Risco (K) = 0,40%
89