CapÃtulo 114 Método de Snyder - Pliniotomaz.com.br
CapÃtulo 114 Método de Snyder - Pliniotomaz.com.br
CapÃtulo 114 Método de Snyder - Pliniotomaz.com.br
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Curso <strong>de</strong> Manejo <strong>de</strong> águas pluviais<<strong>br</strong> />
Capítulo <strong>114</strong>- Metodo <strong>de</strong> Sny<strong>de</strong>r<<strong>br</strong> />
Engenheiro Plínio Tomaz 25 <strong>de</strong> agosto <strong>de</strong> 2013 pliniotomaz@uol.<strong>com</strong>.<strong>br</strong><<strong>br</strong> />
Dado bacia <strong>com</strong> 120km 2 , talvegue L=25km, distancia do centroi<strong>de</strong> <strong>de</strong> 15km, Ct=2<<strong>br</strong> />
e Cp=0,6. Adotar intervalo <strong>de</strong> chuva exce<strong>de</strong>nte <strong>de</strong> 10min(0,167h).<<strong>br</strong> />
Como a bacia é consi<strong>de</strong>rada pequena será usado no tempo base tb=4 x tL.<<strong>br</strong> />
Dados Adaptado <strong>de</strong> McCuen<<strong>br</strong> />
1 Area da bacia (km2)= 120<<strong>br</strong> />
2 Comprimento talvegue (km)= L= 25<<strong>br</strong> />
3 Distancia do centroi<strong>de</strong> a seção (km)=Lo= 15<<strong>br</strong> />
4 Ct adotado= 2<<strong>br</strong> />
5 Cp adotado= 0,6<<strong>br</strong> />
Tempo do centroi<strong>de</strong> até a seção (h)=tL= 8,88<<strong>br</strong> />
Duração da chuva padrão (h) td= 1,61<<strong>br</strong> />
Intervalo <strong>de</strong> duração da chuva exce<strong>de</strong>nte adotado 0,167<<strong>br</strong> />
(h)=tda=<<strong>br</strong> />
Valor ajustado (h) = TLa= 8,52<<strong>br</strong> />
Tempo <strong>de</strong> pico tp (h)= 8,60<<strong>br</strong> />
Vazão <strong>de</strong> pico (m3/s/cm)= Qp= 23,25<<strong>br</strong> />
W50 (h)= 12,59<<strong>br</strong> />
W75 (h)= 7,18<<strong>br</strong> />
A bacia é pequena ou gran<strong>de</strong> ?<<strong>br</strong> />
pequena<<strong>br</strong> />
Tempo base (horas) conforme McCuen, 1998= tb= 35,5<<strong>br</strong> />
Pontos Abscissa Or<strong>de</strong>nada<<strong>br</strong> />
1 0,0 0,0<<strong>br</strong> />
2 4,3 11,6<<strong>br</strong> />
3 6,1 17,4<<strong>br</strong> />
4 8,5 23,3<<strong>br</strong> />
5 13,3 17,4<<strong>br</strong> />
6 16,9 11,6<<strong>br</strong> />
7 35,5 0,0<<strong>br</strong> />
<strong>114</strong>-26