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NOTE DE CALCULS
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a 5.25FORMULE SUPERFICILLE T = 5 ANS
b -0.62c -0.41 1.21646d 0.507 0.309 1.216 0.773 0.317
f -0.287 Q= 1.277 I C A
e 0.05 0.31677m 0.5
b +d 1.42para
mèt
res
de c
alag
e
de
la f
orm
ule
supe
rfic
iell
e
(4A/L2)
Page 2
Dénomination
Habitat moderne 0.6Voirie 0.9Administration 0.4Ecole 0.4Villa 0.35Equipement 0.4Espace vert 0.2
Terrain de sport 0.2
Bassins versants Surface totale Type de zone Surfaces
BV1 0.13Habitat 0.60 0.05
0.76E-vert 0.20 0.004Voirie 0.90 0.08
BV2 0.18Habitat 0.60 0.05
0.78E-vert 0.20 0.01Voirie 0.90 0.12
BV3 0.31
Habitat 0.60 0.05
0.73E-vert 0.20 0.03
Equipement 0.40 0.03Voirie 0.90 0.19
BV4 0.28Habitat 0.60 0.11
0.74Voirie 0.90 0.16E-vert 0.20 0.02
BV5 0.30Habitat 0.60 0.17
0.71Voirie 0.90 0.12E-vert 0.20 0.006
BV6 0.08Voirie 0.90 0.12
0.86Habitat 0.60 0.02
BV7 0.20Habitat 0.60 0.12
0.73Voirie 0.90 0.08
BV9 0.21Habitat 0.60 0.06
0.79E-vert 0.20 0.002Voirie 0.90 0.11
BV10 0.39Habitat 0.60 0.24
0.71Voirie 0.90 0.15E-vert 0.20 0.002
BV11 0.27Voirie 0.90 0.16
0.74Habitat 0.60 0.08E-vert 0.20 0.03
Coefficient de ruissellement
Coefficient de ruissellement
Coefficient ponderé
Page 3
Bassins versants Surface totale Type de zone SurfacesCoefficient de ruissellement
Coefficient ponderé
BV12 0.07Habitat 0.60 0.03
0.75Voirie 0.90 0.03
BV13 0.07Habitat 0.60 0.00
0.39Voirie 0.90 0.02E-vert 0.20 0.05
BV14 0.20Habitat 0.60 0.06
0.51Voirie 0.90 0.02E-vert 0.20 0.04
BV15 0.05 0.42E-vert 0.20 0.04Voirie 0.90 0.02
BV16 0.13Habitat 0.65 0.02
0.70Evert 0.20 0.03Voirie 0.90 0.08
BV17 0.24Habitat 0.60 0.05
0.79Evert 0.20 0.02Voirie 0.90 0.18
BV18 0.22Habitat 0.65 0.03
0.75Evert 0.20 0.04Voirie 0.90 0.15
BV19 0.12Habitat 0.65 0.02
0.65Evert 0.20 0.04Voirie 0.90 0.07
BV20 0.18Habitat 0.65 0.04
0.79Evert 0.20 0.01Voirie 0.90 0.13
3.63
ASSAINISSEMENT LIQUIDE DU PROJET " AMICAL YACINE"
CALCUL DE DEBITS DES BASSINS ELEMENTAIRES-EAUX PLUVIALES
0.309 1.216 0.773 0.317
1 I C A
Bassin VersantSurf. A C. ruis. C Long. L Pente I C.all. M mcor = (M/2)-2t Débit = QEP
ha - m m/ml - - L/s
BV1 0.129 0.76 96.98 0.023 2.705 0.826 0.048BV2 0.183 0.78 70.42 0.005 1.647 1.131 0.056BV3 0.307 0.73 112.12 0.010 2.024 0.992 0.082BV4 0.281 0.74 75.67 0.018 1.428 1.238 0.118BV5 0.296 0.71 106.63 0.024 1.960 1.013 0.105BV6 0.077 0.86 54.81 0.063 1.977 1.007 0.063BV7 0.202 0.73 72.09 0.052 1.604 1.150 0.116BV9 0.212 0.79 117.55 0.015 2.555 0.856 0.067
BV10 0.392 0.71 126.42 0.020 2.019 0.994 0.123BV11 0.266 0.74 105.10 0.015 2.037 0.988 0.086BV12 0.068 0.75 37.99 0.011 1.460 1.221 0.034BV13 0.073 0.39 40.34 0.007 1.494 1.203 0.014BV14 0.198 0.51 89.12 0.025 2.004 0.999 0.051BV15 0.054 0.42 35.52 0.036 1.525 1.187 0.020BV16 0.129 0.70 65.59 0.004 1.823 1.060 0.033BV17 0.240 0.79 82.64 0.006 1.687 1.114 0.075BV18 0.221 0.75 86.75 0.003 1.844 1.053 0.049BV19 0.122 0.65 44.82 0.003 1.284 1.324 0.033BV20 0.180 0.79 30.00 0.005 0.800 1.787 0.087
1.5759835947
(4A/L2)
ASSAINISSEMENT LIQUIDEDU PROJET " AMICLA YACINE"CALCUL DE DEBITS D'ASSEMBLAGE-EAUX PLUVIALES
0.309 1.216 0.773 0.317
1 I C A
Code Code
Bas.d'assembha - m m/ml - l/s
BV1 0.129 0.763 96.984 0.023 0.826 0.048 0
BV2 0.183 0.783 70.415 0.005 1.131 0.056 0
p A1 BV1//BV2 0.311 0.775 70.415 0.013 1.339 0.134 0
BV3 0.307 0.728 112.117 0.010 0.992 0.082 0
p A2 BV3//A1 0.618 0.752 70.415 0.012 1.663 0.261 0
BV4 0.281 0.744 75.667 0.018 1.238 0.118 0
S A3 A2+BV4 0.899 0.749 146.083 0.014 1.180 0.262 0
BV5 0.296 0.713 106.633 0.024 1.013 0.105 0
S A4 BV5//A3 1.195 0.740 252.715 0.017 0.912 0.265 0
BV6 0.077 0.858 54.808 0.063 1.007 0.063 0
S A5 A4+BV6 1.272 0.748 307.523 0.021 0.822 0.268 0
BV7 0.202 0.725 72.089 0.052 1.150 0.116 0
P A6 A5//BV7 1.474 0.745 307.523 0.030 0.861 0.351 0
BV9 0.212 0.787 117.546 0.015 0.856 0.067 0
S A7 A6+BV9 1.685 0.750 425.069 0.024 0.732 0.312 0
BV10 0.392 0.714 126.422 0.020 0.994 0.123 0
BV11 0.266 0.741 105.098 0.015 0.988 0.086 0
p A8 BV10//BV11 0.658 0.725 126.422 0.018 1.171 0.212 0
BV12 0.068 0.752 37.989 0.011 1.221 0.034 0
S A9 BV12+A9 0.726 0.727 164.411 0.016 1.023 0.193 0
S A10 A9+A7 2.411 1.022 589.480 0.021 0.666 0.526 1
BV13 0.073 0.395 40.345 0.007 1.203 0.014 0
(4A/L2)
Aeq Ceq Leq Ieq mcor (eq) QEP(cor.) QEP(cor.)
m3/s
ASSAINISSEMENT LIQUIDEDU PROJET " AMICLA YACINE"CALCUL DE DEBITS D'ASSEMBLAGE-EAUX PLUVIALES
0.309 1.216 0.773 0.317
1 I C A
Code Code
Bas.d'assembha - m m/ml - l/s
(4A/L2)
Aeq Ceq Leq Ieq mcor (eq) QEP(cor.) QEP(cor.)
m3/s
S A11 BV13+A11 2.484 1.004 629.825 0.019 0.645 0.495 1
BV14 0.198 0.507 89.117 0.025 0.999 0.051 0
P A12 A11//BV14 2.682 0.967 629.825 0.020 0.661 0.518 1
BV15 0.054 0.421 35.524 0.036 1.187 0.020 0
S A13 A12+BV15 2.736 0.956 665.348 0.021 0.642 0.509 1
BV16 0.129 0.696 65.589 0.004 1.060 0.033 0
P A14 A13//BV16 2.866 0.945 665.348 0.020 0.652 0.519 1
BV17 0.240 0.795 82.636 0.006 1.114 0.075 0
S A15 A14+BV17 3.106 0.933 747.984 0.017 0.621 0.494 1
BV18 0.221 0.747 86.748 0.003 1.053 0.049 0
P A16 A15//BV18 3.327 0.921 747.984 0.016 0.635 0.512 1
BV19 0.180 0.795 30.000 0.005 1.787 0.087 0
S A17 A16+BV19 3.507 0.914 777.984 0.015 0.629 0.514 1
BV20 0.180 0.795 30.000 0.005 1.787 0.087 0
S A18 A17+BV20 3.686 0.908 807.984 0.014 0.624 0.517 1
COLLECTEUR EAUX PLUVIALES
Collecteurs projetés
V ps= Vitesse à pleine section Vr=Vitesse réelle
n 70
CollecteurTronçon Q2 Ical Section projetée V(1/10)
Am Av l/s % C/O (*) (mm) l/s m/s m/s m/s m
Coll. 1
R1 R3 0.05 0.00 2.80 20 c 400 0.294 2.52 0.63 1.39 5%R3 R8 0.26 0.00 2.00 40 c 400 0.248 2.13 0.53 1.17 5%R8 R13 0.53 0.00 1.30 50 c 500 0.370 2.00 0.49 1.10 5%R13 R17 0.53 0.00 0.85 60 c 600 0.494 1.82 0.45 1.00 5%
Coll. 1.1 R1 R3 0.06 0.00 4.00 20 c 400 0.351 3.02 0.75 1.66 5%Coll. 1.2 R1 R3 0.08 0.00 4.20 20 c 400 0.360 3.09 0.77 1.70 5%Coll. 1.3 R1 R6 0.11 0.00 3.10 30 c 400 0.309 2.66 0.66 1.46 5%Coll. 1.4 R1 R8 0.12 0.00 5.80 30 c 400 0.423 3.63 0.90 2.00 5%Coll. 1.5 R1 R12 0.21 0.00 1.95 40 c 400 0.245 2.11 0.52 1.16 5%Coll. 1.6 R1 R13 0.05 0.00 2.00 20 c 400 0.248 2.13 0.53 1.17 5%Coll. 1.7 R1 R14 0.03 0.00 0.90 20 c 400 0.167 1.43 0.35 0.79 5%Coll. 1.8 R1 R15 0.07 0.00 0.90 30 c 400 0.167 1.43 0.35 0.79 5%Coll. 1.9 R1 R17 0.09 0.00 0.90 30 c 400 0.167 1.43 0.35 0.79 5%
Assainissement Liquide DU PROJET " AMICLA YACINE"-Dimensionnement des collecteurs :V = K. Rh3/4.I1/2 (Formule de Manning-Strickler)
H r = hauteur de remplissage
Q ps= Débit à pleine section
V(1/10)=Vitesse d'auto-curage >0.6 m/s
Qdim
SecEQ
calc. Qps Vps Vr Hr
m3/s C(mm)