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
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> /><strong>114</strong>-27