P ia n o U rb an is tico C o m u n ale - Comune di Villasimius
P ia n o U rb an is tico C o m u n ale - Comune di Villasimius
P ia n o U rb an is tico C o m u n ale - Comune di Villasimius
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u.m. simbolo C sez 1 C sez 3.1 B sez 9 B sez 15 B sez 17 B sez 18 A sez 1 A sez 2.1 A sez 5 A1 A2 A3 B1 B3 B3 sez. 9 B5 B9 B10<br />
superficie kmq S 35.91 27.16 26.07 20.4 17.27 17.02 8.62 6.6 6.53 2.01 1.25 5.25 3.08 3.56 2.01 0.17 0.17 0.57<br />
lunghezza dell'asta princip<strong>ale</strong> km L 11.10 10.7 9.3 8.1 7.9 7.8 6.3 6.2 5.9 3.2 2.3 5.8 5.2 4.27 3.2 0.6 0.66 1.32<br />
pendenza dell'asta princip<strong>ale</strong> m/m J 0.016 0.018 0.026 0.031479 0.032 0.033 0.038 0.04 0.05 0.07 0.098 0.053 0.048 0.029 0.07 0.063 0.091 0.045<br />
Quota della sezione termin<strong>ale</strong> m slm Ho 1 4.27 9 18.1 20 22.12 1.5 2.3 4.5 2.5 4.5 5 21.4 17.7 18 30.5 33.96 17<br />
Altitu<strong>di</strong>ne med<strong>ia</strong> m slm Hm 181.26 181.26 187.98 187.98 187.98 187.98 222.45 222.45 222.45 277.52 153 236.85 174.76 96.02 96.02 58.81 69.31 57.62<br />
Velocità med<strong>ia</strong> in alveo m/s V 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2<br />
Curve Number CN 88 88 88 88 88 88 88 88 88 91 96 90 88 90 90 97 97 95<br />
c 0.2 0.2 0.2 0.2 0.2 0.2 0.15 0.15 0.15 0.1 0.05 0.1 0.1 0.1 0.1 0.02 0.02 0.03<br />
Coefficiente Sirch<strong>ia</strong>-Fassò Ψ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1<br />
Zona idrografica (S-F riv<strong>is</strong>to) Zi 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11<br />
Coefficiente riduttivo Pa 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5<br />
Gruppo pluviometrico (Cao-Puddu) Gc 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3<br />
Zona Deidda-Piga-Sechi Zo 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2<br />
Altezza med<strong>ia</strong> giornaliera mm Hg 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70<br />
Esposizione (or=1, occ=0) E 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1<br />
applicazione ARF ARFsn 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0<br />
tempo <strong>di</strong> corrivazione (0=calcolato) ore Tcc 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0<br />
estensione della piogg<strong>ia</strong> prima e dopo h/h Dp 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0<br />
Tempo <strong>di</strong> ritorno e probabilità <strong>di</strong> non superamento<br />
tempo <strong>di</strong> ritorno <strong>an</strong>ni Tr 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50<br />
probabilità <strong>di</strong> non superamento <strong>an</strong>nua p 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98<br />
frattile della d<strong>is</strong>tribuzione norm<strong>ale</strong> u 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054 2.054<br />
Tempo <strong>di</strong> corrivazione<br />
Viparelli ore TcV 2.056 1.981 1.722 1.500 1.463 1.444 1.167 1.148 1.093 0.593 0.426 1.074 0.963 0.791 0.593 0.083 0.092 0.183<br />
G<strong>ia</strong>ndotti ore TcG 3.782 3.467 3.212 2.898 2.746 2.737 1.782 1.649 1.615 0.789 0.813 1.467 1.496 1.971 1.482 0.599 0.555 0.981<br />
Ventura ore TcR 6.017 4.933 4.021 3.233 2.950 2.884 1.913 1.631 1.451 0.681 0.454 1.264 1.017 1.407 0.681 0.209 0.174 0.452<br />
Pasini ore TcP 6.282 5.331 4.176 3.340 3.108 3.032 2.098 1.861 1.631 0.759 0.491 1.465 1.242 1.571 0.759 0.201 0.173 0.463<br />
VAPI ore TcVP 7.199 6.523 5.872 5.250 5.028 4.967 4.278 3.963 3.706 2.731 1.869 3.529 2.940 2.958 2.009 1.016 0.958 1.472<br />
Tempo <strong>di</strong> corrivazione assunto ore Tc 2.056 1.981 1.722 1.500 1.463 1.444 1.167 1.148 1.093 0.593 0.426 1.074 0.963 0.791 0.593 0.083 0.092 0.183<br />
Coefficiente <strong>di</strong> riduzione are<strong>ale</strong><br />
ARF Wallingford ARFw 0.895 0.903 0.899 0.902 0.907 0.907 0.920 0.927 0.926 0.939 0.942 0.931 0.940 0.933 0.939 0.948 0.950 0.940<br />
ARF US Weather Service ARFu 0.919 0.936 0.935 0.945 0.953 0.953 0.974 0.980 0.979 0.992 0.995 0.983 0.990 0.988 0.992 0.999 0.999 0.997<br />
ARF 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1<br />
Sirch<strong>ia</strong>-Fassò<br />
portata <strong>di</strong> piena Qsf 867.07 775.43 762.83 678.70 584.80 577.22 314.20 247.48 245.13 85.49 55.91 201.69 125.21 142.52 85.49 9.39 9.39 27.71<br />
Sirch<strong>ia</strong>-Fassò riv<strong>is</strong>to<br />
coefficiente riduttivo per il tempo <strong>di</strong> ritorno Ps 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920 0.920<br />
portata <strong>di</strong> piena Qsfr 398.85 356.70 350.90 312.20 269.01 265.52 144.53 113.84 112.76 39.33 25.72 92.78 57.60 65.56 39.33 4.32 4.32 12.75<br />
Lazzari<br />
controllo SHm 6509.05 4923.02 4900.64 3834.79 3246.41 3199.42 1917.52 1468.17 1452.60 557.82 191.25 1243.46 538.26 341.83 193.00 10.00 11.78 32.84<br />
applicabilità Lazzari / TCEV NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO<br />
med<strong>ia</strong> mu 1.064 0.973 0.972 0.892 0.839 0.834 0.668 0.581 0.578 0.268 -0.079 0.528 0.256 0.109 -0.076 -1.035 -0.982 -0.650<br />
scarto sigma 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441 0.441<br />
portata <strong>di</strong> piena Ql 93.37 75.81 75.55 62.92 55.57 54.97 37.52 30.74 30.50 14.93 6.72 27.16 14.54 10.36 6.77 0.74 0.84 1.81<br />
Lazzari mo<strong>di</strong>ficato<br />
med<strong>ia</strong> muM 2.527 2.450 2.439 2.371 2.324 2.320 2.132 2.058 2.055 1.728 1.596 1.994 1.846 1.886 1.728 1.042 1.042 1.378<br />
scarto sigmaM 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022 1.022<br />
portata <strong>di</strong> piena Qlm 102.23 94.61 93.54 87.39 83.44 83.10 68.81 63.90 63.71 45.94 40.27 59.97 51.72 53.84 45.94 23.15 23.15 32.39<br />
TCEV<br />
T1 T1 17.817 14.879 14.491 12.370 11.110 11.006 7.096 5.973 5.932 2.774 2.041 5.153 3.653 4.011 2.774 0.564 0.564 1.230<br />
L1 L1 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571 4.571<br />
T2 T2 104.881 87.588 85.304 72.819 65.399 64.787 41.770 35.160 34.918 16.327 12.017 30.333 21.502 23.609 16.327 3.317 3.317 7.240<br />
L2 L2 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510 0.510<br />
portata <strong>di</strong> piena Qtcev 343.29 284.90 278.47 235.69 214.09 212.20 136.49 113.83 113.19 53.35 39.36 99.28 69.88 77.15 53.35 10.76 10.76 23.64<br />
Razion<strong>ale</strong> (Piga-Liguori)<br />
Coefficienti Piga-Liguori A 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048 1.379048<br />
B 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598 0.164598<br />
C 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212 0.418212<br />
D 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093 0.009093<br />
Curve Number ss 34.63636 34.63636364 34.63636 34.63636 34.63636 34.63636 34.63636 34.63636 34.63636 25.12088 10.58333 28.22222 34.63636 28.22222 28.22222 7.85567 7.85567 13.368421<br />
altezza <strong>di</strong> precipitazione precedente Hc1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0<br />
altezza <strong>di</strong> precipitazione complessiva Hc2 71.4 70.3 66.1 62.2 61.6 61.2 55.8 55.4 54.2 41.5 35.9 53.8 51.3 47.0 41.5 17.6 18.4 24.8<br />
altezza <strong>di</strong> precipitazione critica Hc 71.4 70.3 66.1 62.2 61.6 61.2 55.8 55.4 54.2 41.5 35.9 53.8 51.3 47.0 41.5 17.6 18.4 24.8<br />
coefficiente Fi Fic 0.563 0.558 0.538 0.519 0.515 0.513 0.522 0.520 0.513 0.564 0.758 0.604 0.533 0.567 0.531 0.683 0.692 0.636<br />
portata <strong>di</strong> piena (Piga-Liguori) Qrpl 195.20 149.36 149.68 121.93 103.95 102.81 59.71 45.94 46.13 22.06 22.18 44.11 24.29 33.37 20.76 6.82 6.55 13.64<br />
Razion<strong>ale</strong> (TCEV)<br />
Deidda-Piga-Sechi Hd 30.654 30.224 28.634 27.150 26.890 26.758 24.644 24.493 24.029 18.984 16.716 23.872 22.888 21.215 18.984 8.916 9.249 12.080<br />
Hd1 30.654 30.224 28.634 27.150 26.890 26.758 24.644 24.493 24.029 18.984 16.716 23.872 22.888 21.215 18.984 8.916 9.249 12.080<br />
aa 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288 2.288<br />
durate superiori all'ora nns -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001 -0.001<br />
durate inferiori all'ora nni 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381<br />
nn -0.0013 -0.0013 -0.0013 -0.0013 -0.0013 -0.0013 -0.0013 -0.0013 -0.0013 0.1381 0.1381 -0.0013 0.1381 0.1381 0.1381 0.1381 0.1381 0.1381<br />
altezza <strong>di</strong> precipitazione precedente Hp1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0<br />
altezza <strong>di</strong> precipitazione complessiva Hp2 70.1 69.1 65.5 62.1 61.5 61.2 56.4 56.0 55.0 40.4 34.0 54.6 52.1 47.0 40.4 14.5 15.2 21.9<br />
altezza <strong>di</strong> precipitazione Hp 70.1 69.1 65.5 62.1 61.5 61.2 56.4 56.0 55.0 40.4 34.0 54.6 52.1 47.0 40.4 14.5 15.2 21.9<br />
coefficiente Fi Fip 0.557 0.553 0.535 0.518 0.515 0.513 0.525 0.523 0.517 0.557 0.747 0.608 0.538 0.567 0.523 0.638 0.650 0.604<br />
portata <strong>di</strong> piena (Deidda-Piga-Sechi) Q 189.49 145.41 147.38 121.47 103.78 102.76 60.77 46.82 47.21 21.21 20.70 45.10 24.90 33.31 19.93 5.24 5.10 11.41<br />
SINTESI<br />
tempo <strong>di</strong> ritorno <strong>an</strong>ni Tr 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50<br />
Sirch<strong>ia</strong>-Fassò mc/s Q 867.07 775.43 762.83 678.70 584.80 577.22 314.20 247.48 245.13 85.49 55.91 201.69 125.21 142.52 85.49 9.39 9.39 27.71<br />
Sirch<strong>ia</strong>-Fassò riv<strong>is</strong>to mc/s Q 398.85 356.70 350.90 312.20 269.01 265.52 144.53 113.84 112.76 39.33 25.72 92.78 57.60 65.56 39.33 4.32 4.32 12.75<br />
Lazzari mc/s Q 93.37 75.81 75.55 62.92 55.57 54.97 37.52 30.74 30.50 14.93 6.72 27.16 14.54 10.36 6.77 0.74 0.84 1.81<br />
Lazzari mo<strong>di</strong>ficato mc/s Q 102.23 94.61 93.54 87.39 83.44 83.10 68.81 63.90 63.71 45.94 40.27 59.97 51.72 53.84 45.94 23.15 23.15 32.39<br />
TCEV mc/s Q 343.29 284.90 278.47 235.69 214.09 212.20 136.49 113.83 113.19 53.35 39.36 99.28 69.88 77.15 53.35 10.76 10.76 23.64<br />
Razion<strong>ale</strong> (Piga-Liguori) mc/s Q 195.20 149.36 149.68 121.93 103.95 102.81 59.71 45.94 46.13 22.06 22.18 44.11 24.29 33.37 20.76 6.82 6.55 13.64<br />
Razion<strong>ale</strong> (TCEV) mc/s Q 189.49 145.41 147.38 121.47 103.78 102.76 60.77 46.82 47.21 21.21 20.70 45.10 24.90 33.31 19.93 5.24 5.10 11.41