公路隧道通風(fēng)計(jì)算表格

1、隧隧道道通通風(fēng)風(fēng)計(jì)計(jì)算算書書一一、基基本本參參數(shù)數(shù)表表項(xiàng)目單位左洞右洞隧道長度m22682281行車方向縱坡0.700/19600.700/1960-0.669/1420-0.000465493設(shè)計(jì)行車速度80km/h隧道進(jìn)口設(shè)計(jì)標(biāo)高m310305隧道出口設(shè)計(jì)標(biāo)高m305310內(nèi)空斷面積Ar64.2764.27隧道內(nèi)空斷面當(dāng)量直徑Drm8.298.29二二、隧隧道道煙煙塵塵允允許許濃濃度度k k運(yùn)營狀況交通阻滯正常運(yùn)營交通管制養(yǎng)護(hù)維修計(jì)算車速（km/h）10-2030-4050-6070-80隧道煙塵允許濃度K（m-1）0.0090.0090.00750.0070.0120.0035三三、通通

2、風(fēng)風(fēng)計(jì)計(jì)算算參參數(shù)數(shù)表表項(xiàng)目 單位計(jì)算與控制參數(shù)備注設(shè)計(jì)控制正常交通設(shè)計(jì)控制風(fēng)速m/s8風(fēng)速大災(zāi)工況設(shè)計(jì)控制風(fēng)速m/s2.5換氣設(shè)計(jì)控制風(fēng)速m/s2.5環(huán)境參數(shù)洞內(nèi)外自然風(fēng)壓在洞內(nèi)產(chǎn)生的自然風(fēng)速Vam/s3計(jì)算空氣密度kg/m31.2計(jì)算行車速度正常行車最大車速縱坡i1%km/h80縱坡i%km/h70正常行車速度km/h30-80交通阻滯車速km/h10-20汽車尾氣基準(zhǔn)排放量qcom3/veh*km0.007qv1m3/veh*km2折減系數(shù)2%四四、交交通通量量與與交交通通組組成成分分析析隧道所在路段交通量預(yù)測(cè)表pcu/d設(shè)計(jì)目標(biāo)年份2013201520202032隧道基本參數(shù)表4273

3、5402923225110各車型交通組成（混合車百分比）車型客車貨車合計(jì)小客車大中客車小貨車中貨車大貨車拖掛車201352.354.4411.4915.3710.296.06100201552.694.510.915.210.666.05100201052.794.6910.71510.746.08100203252.94.8310.4514.7116.12100五五、計(jì)計(jì)算算COCO的的排排放放量量工況車速（km/h）qcofafhfdfivLNmfmQco上坡下坡左左洞洞100.0151.0160.80.82268670.00.030391200.0071.01310.82268670.0

4、0.007978300.0071.01210.82268670.00.005318400.0071.011.5112268670.00.004432500.0071.011.2112268670.00.003546600.0071.011112268670.00.002955700.0071.010.85112268670.00.002511800.0071.010.75112268670.00.002216六六、計(jì)計(jì)算算COCO的的需需風(fēng)風(fēng)量量工況車速（km/h）Qco(m3/s)（cm3/m3）P0（Kpa）P(Kpa)T（K）T0（k）Qreqco(m3/s)100.0243131501

5、01.32597.30132994295273182.3914584200.007978100101.32597.3013299429527389.77413659300.005318100101.32597.3013299429527359.84192259400.004432100101.32597.3013299429527349.87201973500.003546100101.32597.3013299429527339.90211687600.002955100101.32597.3013299429527333.25176405700.002511100101.32597.301

6、3299429527328.25555991800.002216100101.32597.3013299429527324.93600986七七、計(jì)計(jì)算算煙煙霧霧排排放放量量工況車速（km/h）qv1fav1fhv1fdfivv1LNmfmQv1上坡下坡102.01.0160.720.52268670.03.089772202.01.0130.720.52268670.01.544886302.01.0120.90.62268670.01.2663402.01.011.51.10.72268670.01.13967502.01.011.21.450.752268670.01.114344602

7、.01.0111.450.752268670.00.92862702.01.010.851.80.82268670.00.932841802.01.010.752.60.82268670.01.076355八八、計(jì)計(jì)算算煙煙霧霧需需風(fēng)風(fēng)量量工況車速（km/h）Qv1kQreqv1(m3/s)103.0897720.007441.396201.5448860.007220.698301.26630.007180.9401.139670.007162.81501.1143440.007159.192600.928620.007132.66700.9328410.007133.263801.0763

8、550.007153.765九九、計(jì)計(jì)算算換換氣氣需需風(fēng)風(fēng)量量nLArQreg3226864.27121.4703十十、火火災(zāi)災(zāi)需需風(fēng)風(fēng)量量ArVcQreq(f)64.272.5160.675十十、各各工工況況條條件件下下的的需需風(fēng)風(fēng)量量運(yùn)行工況左線Qreqco(m3/s)Qreqv1(m3/s)10182.3914584441.3962089.77413659220.6983059.84192259180.94049.87201973162.815039.90211687159.1926033.25176405132.667028.25555991133.2638024.9360098615

9、3.765火災(zāi)(m3/s)160.675換氣(m3/s)121.4703控制需風(fēng)量(m3/s)441.396十十一一、風(fēng)風(fēng)機(jī)機(jī)的的選選擇擇射流風(fēng)機(jī)縱向通風(fēng)隧道風(fēng)速Vr=Qreg/Ar=6.867838805 10m/s各指標(biāo)滿足要求，因此采用射流風(fēng)機(jī)縱向通風(fēng)方式十十二二、單單向向隧隧道道交交通通通通風(fēng)風(fēng)力力PtPt汽車等效抗阻面積AmrlAcsc1Aclc2Am0.4712.130.480565.370.84922.689336675AmArncVrPt2.68933667564.271.158366499290.8086.867838805117.8885429十十三三、隧隧道道內(nèi)內(nèi)通通風(fēng)風(fēng)

10、阻阻力力PrPr隧道內(nèi)沿程摩擦阻力P的計(jì)算rLDrVrP0.0222688.291.1583664996.867838805149.4771109隧道內(nèi)局部阻力piiVrpi0.021.1583664996.8678388050.546369158PrPpi150.02348149.47711090.546369158十十四四、自自然然通通風(fēng)風(fēng)力力PmPmerLDrVnPm0.50.0222688.291.158366499256.0186十十五五、每每臺(tái)臺(tái)射射流流風(fēng)風(fēng)機(jī)機(jī)升升壓壓力力PjPj同一斷面2臺(tái)風(fēng)機(jī)VjAjArVrPj1.158366499300.98470464.276.8678388050.78.621422十六、風(fēng)機(jī)