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Capítulo 5 Microdrenagem - Pliniotomaz.com.br

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Curso de Manejo de águas pluviais<<strong>br</strong> />

Capítulo 5-<strong>Microdrenagem</strong><<strong>br</strong> />

Engenheiro Plínio Tomaz 3 de agosto de 2012 pliniotomaz@uol.<strong>com</strong>.<strong>br</strong><<strong>br</strong> />

Largura da água da sarjeta T<<strong>br</strong> />

T= [Q n / (0,376 Sx 5/3 S ½ )] (3/8)<<strong>br</strong> />

Tabela 5.22- Largura T da água na sarjeta em função da vazão e da declividade longitudinal<<strong>br</strong> />

da rua para n=0,013 e Sx=0,02m/m (Z=50)<<strong>br</strong> />

Q (m 3 /s) Largura da água na sarjeta T em função da vazão e declividade da rua longitudinal<<strong>br</strong> />

0,05<<strong>br</strong> />

0,1<<strong>br</strong> />

0,2<<strong>br</strong> />

0,3<<strong>br</strong> />

0,4<<strong>br</strong> />

0,5<<strong>br</strong> />

0,6<<strong>br</strong> />

0,7<<strong>br</strong> />

0,8<<strong>br</strong> />

0,9<<strong>br</strong> />

1,0<<strong>br</strong> />

1,1<<strong>br</strong> />

1,2<<strong>br</strong> />

1,3<<strong>br</strong> />

1,4<<strong>br</strong> />

1,5<<strong>br</strong> />

1,6<<strong>br</strong> />

1,7<<strong>br</strong> />

1,8<<strong>br</strong> />

1,9<<strong>br</strong> />

2<<strong>br</strong> />

2,1<<strong>br</strong> />

2,2<<strong>br</strong> />

2,3<<strong>br</strong> />

2,4<<strong>br</strong> />

2,5<<strong>br</strong> />

2,6<<strong>br</strong> />

2,7<<strong>br</strong> />

2,8<<strong>br</strong> />

2,9<<strong>br</strong> />

3<<strong>br</strong> />

3,1<<strong>br</strong> />

0,005 0,010 0,020 0,030 0,040 0,050 0,060 0,070 0,080 0,090 0,100<<strong>br</strong> />

2,87 2,52 2,21 2,05 1,94 1,86 1,80 1,75 1,70 1,67 1,63<<strong>br</strong> />

3,72 3,27 2,87 2,66 2,52 2,41 2,33 2,27 2,21 2,16 2,12<<strong>br</strong> />

4,82 4,23 3,72 3,45 3,27 3,13 3,03 2,94 2,87 2,80 2,75<<strong>br</strong> />

5,61 4,93 4,33 4,01 3,80 3,65 3,52 3,42 3,34 3,27 3,20<<strong>br</strong> />

6,25 5,49 4,82 4,47 4,23 4,06 3,92 3,81 3,72 3,64 3,57<<strong>br</strong> />

6,80 5,97 5,24 4,86 4,60 4,42 4,27 4,15 4,04 3,95 3,88<<strong>br</strong> />

7,28 6,39 5,61 5,20 4,93 4,73 4,57 4,44 4,33 4,23 4,15<<strong>br</strong> />

7,71 6,77 5,95 5,51 5,22 5,01 4,84 4,70 4,59 4,49 4,40<<strong>br</strong> />

8,11 7,12 6,25 5,80 5,49 5,27 5,09 4,94 4,82 4,72 4,62<<strong>br</strong> />

8,48 7,44 6,54 6,06 5,74 5,50 5,32 5,17 5,04 4,93 4,83<<strong>br</strong> />

8,82 7,74 6,80 6,30 5,97 5,73 5,53 5,38 5,24 5,13 5,03<<strong>br</strong> />

9,14 8,02 7,05 6,53 6,19 5,93 5,73 5,57 5,43 5,31 5,21<<strong>br</strong> />

9,44 8,29 7,28 6,75 6,39 6,13 5,92 5,76 5,61 5,49 5,38<<strong>br</strong> />

9,73 8,54 7,50 6,95 6,59 6,32 6,11 5,93 5,78 5,66 5,55<<strong>br</strong> />

10,00 8,78 7,71 7,15 6,77 6,50 6,28 6,10 5,95 5,82 5,70<<strong>br</strong> />

10,27 9,01 7,92 7,34 6,95 6,67 6,44 6,26 6,10 5,97 5,85<<strong>br</strong> />

10,52 9,23 8,11 7,52 7,12 6,83 6,60 6,41 6,25 6,12 6,00<<strong>br</strong> />

10,76 9,45 8,30 7,69 7,28 6,99 6,75 6,56 6,40 6,26 6,13<<strong>br</strong> />

10,99 9,65 8,48 7,86 7,44 7,14 6,90 6,70 6,54 6,39 6,27<<strong>br</strong> />

11,22 9,85 8,65 8,02 7,60 7,28 7,04 6,84 6,67 6,52 6,40<<strong>br</strong> />

11,43 10,04 8,82 8,17 7,74 7,43 7,18 6,97 6,80 6,65 6,52<<strong>br</strong> />

11,65 10,23 8,98 8,32 7,89 7,56 7,31 7,10 6,92 6,77 6,64<<strong>br</strong> />

11,85 10,41 9,14 8,47 8,02 7,70 7,44 7,23 7,05 6,89 6,76<<strong>br</strong> />

12,05 10,58 9,29 8,61 8,16 7,82 7,56 7,35 7,16 7,01 6,87<<strong>br</strong> />

12,24 10,75 9,44 8,75 8,29 7,95 7,68 7,46 7,28 7,12 6,98<<strong>br</strong> />

12,43 10,92 9,59 8,88 8,42 8,07 7,80 7,58 7,39 7,23 7,09<<strong>br</strong> />

12,62 11,08 9,73 9,02 8,54 8,19 7,92 7,69 7,50 7,34 7,19<<strong>br</strong> />

12,80 11,24 9,87 9,15 8,66 8,31 8,03 7,80 7,61 7,44 7,30<<strong>br</strong> />

12,97 11,39 10,00 9,27 8,78 8,42 8,14 7,91 7,71 7,54 7,40<<strong>br</strong> />

13,14 11,54 10,14 9,39 8,90 8,54 8,25 8,01 7,82 7,64 7,50<<strong>br</strong> />

13,31 11,69 10,27 9,51 9,01 8,64 8,35 8,12 7,92 7,74 7,59<<strong>br</strong> />

13,48 11,83 10,39 9,63 9,13 8,75 8,46 8,22 8,01 7,84 7,69<<strong>br</strong> />

Altura de água na sarjeta em função de T<<strong>br</strong> />

Conforme Figura (5.26) temos:<<strong>br</strong> />

Sendo:<<strong>br</strong> />

Sx= declividade transversal da rua (m/m)<<strong>br</strong> />

T= largura da água na sarjeta no topo (m)<<strong>br</strong> />

y= altura do nível de água na sarjeta (m)<<strong>br</strong> />

y= T x Sx<<strong>br</strong> />

5-46

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