漯河市給水排水管道工程設(shè)計(jì)項(xiàng)目計(jì)劃書

Ⅲ）；①定線時(shí)干管延伸方向應(yīng)和二級泵站輸水到水②循水流方向，以最短的距離布置一條或數(shù)條干④干管按照規(guī)劃道路定線，盡量避免在高級路面(1)給水系統(tǒng)布局合理；(2)不受洪水威脅；(3)有較好的廢水排除條件；(4)有良好的工程地質(zhì)條件；(5)有良好的衛(wèi)生環(huán)境，并便于設(shè)立防護(hù)地帶；(6)少拆遷，不占或少占良田；(7)施工、運(yùn)行和維護(hù)方便。ⅠⅡ1:q――城市最高日綜合用水量定額，L/（人·dN――城市設(shè)計(jì)年限計(jì)劃用水人口數(shù)；設(shè)計(jì)年限1A廠：Q1=（900×35+2100×25）/1000=84m3／d2B廠：Q2=（3500×25+1500×35）/1000=140m3／d2Q=Q1+Q2=124m3／dQ1=(40×1200×0.7×0.2+60×1200×0.3×0.8)/1000=24m3／d3Q2=（40×200×0.7×0.1+60×200×0.3×0.8）/1000=34.4m3／d3Q=10000+4000=14000m3／d455Q=20×3600×24/1000=1728m3／d7599q――城市最高日綜合用水量定額，L/（人·d45575Q=1.6×1000÷24÷3600Q=88sL—有效長度；m000000000000000000000000000000113.64155.0398.29236.17126.84129.52143.81122.73 60.52106.39127.87150.46248.25136.76 173.44171.99248.01188.05156.52255.93208.9176.32169.46105.28145.22132.73119.41202.3500304.32575.87771.79856.65942.64963.636.9769.9793.77q=Av=πD2v/4D=（4q/πv）q—管段計(jì)算流量，m3/s；A—管段過水?dāng)嗝婷娣e，m2D=100～4000.6~0.9最大時(shí)水泵揚(yáng)程H1=∑h+32+2+1.265+0.3、25、32節(jié)點(diǎn)各附加100L/S的消防流量外，其余各節(jié)點(diǎn)H2=∑h+10+2+1.265+0.210+2＝28.82+10+2+1.265+0.21+2=44.295m＜56.49城市污水管網(wǎng)主要功能是收集和輸送城市區(qū)域中的生活污水污水管網(wǎng)設(shè)計(jì)的主要任務(wù)是:1)污水管網(wǎng)總設(shè)計(jì)流量與各管段設(shè)計(jì)流量計(jì)算;2)污水管網(wǎng)各管段直徑,埋深,銜接設(shè)計(jì)與水力計(jì)算;查居民生活污水量定額，通常生活污水量為同周期給水81.58%=310L/(人.d)。量量3號(hào)積29.769.97115水量8335.100000046.53335.17775.32224.978度2速v/0.9度51.1911查附錄E得暴雨強(qiáng)度公式為q=10174(1+0.80力度坡度積號(hào)其三，學(xué)會(huì)對多種方案分析比較，并根據(jù)實(shí)際情況選擇一種最優(yōu)的方案，也對-2-2191.69-24-1881.47-1.88-4.37hf'1.59-1-2305.33-7.586.09△q=28.1573hf'-155.19-2.82-56.9-1.4848.154.374.3△q=-.8993hf'2748.344.09-1878.73-2.57-23-176.52-10.41△q=-16.45992393.366.314.8865.59-1933.48-21-181.55△q=25.1407-1641.29.5524.59-7-1869.55-2.152.13-19-65.59-1.953.76△q=-10.3497217.61-15-93.31-1767.03-41.29-.5524.59總h=-.6508總hf'=93.1838-12-24.48-10-1480.39-1550.9993.31△q=-.692524.48-29-30-717.94-1.373.53-37-1289-11-1349.52-.971.343535.3.8645.26-36-13-14-57.07-160.45-217.61-.88-.98-3.2428.4211.3127.56△q=-.6329-35-17545.54-35.3-542.45-.86-3.214.7445.26總h=-.3977總hf'=63.7449-26-42-545.54-14.64-1.4-2.19hf'4.74276.51684.41783.234.174.49總h=-.1391總hf'=289.9173-44-27555.34-27.35-318.19-.63-3.36276.5142.98總h=-.8829總hf'=342.1179380.338.71264.46-45-32.31-2.17-38-385.34-.1-34-470.91-2.0628.27-28-102.79-.9727.3542.98總h=-.0955總hf'=245.962hf'4.19533.56-5