公路隧道通风计算表格

1、隧隧道道通通风风计计算算书书一一、基基本本参参数数表表项目单位左洞右洞隧道长度m22682281行车方向纵坡0.700/19600.700/1960-0.669/1420-0.000465493设计行车速度80km/h隧道进口设计标高m310305隧道出口设计标高m305310内空断面积Ar64.2764.27隧道内空断面当量直径Drm8.298.29二二、隧隧道道烟烟尘尘允允许许浓浓度度k k运营状况交通阻滞正常运营交通管制养护维修计算车速（km/h）10-2030-4050-6070-80隧道烟尘允许浓度K（m-1）0.0090.0090.00750.0070.0120.0035三三、通通

2、风风计计算算参参数数表表项目 单位计算与控制参数备注设计控制正常交通设计控制风速m/s8风速大灾工况设计控制风速m/s2.5换气设计控制风速m/s2.5环境参数洞内外自然风压在洞内产生的自然风速Vam/s3计算空气密度kg/m31.2计算行车速度正常行车最大车速纵坡i1%km/h80纵坡i%km/h70正常行车速度km/h30-80交通阻滞车速km/h10-20汽车尾气基准排放量qcom3/veh*km0.007qv1m3/veh*km2折减系数2%四四、交交通通量量与与交交通通组组成成分分析析隧道所在路段交通量预测表pcu/d设计目标年份2013201520202032隧道基本参数表4273

3、5402923225110各车型交通组成（混合车百分比）车型客车货车合计小客车大中客车小货车中货车大货车拖挂车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、计计算算COCO的的排排放放量量工况车速（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、计计算算COCO的的需需风风量量工况车速（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、计计算算烟烟雾雾排排放放量量工况车速（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、计计算算烟烟雾雾需需风风量量工况车速（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、计计算算换换气气需需风风量量nLArQreg3226864.27121.4703十十、火火灾灾需需风风量量ArVcQreq(f)64.272.5160.675十十、各各工工况况条条件件下下的的需需风风量量运行工况左线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火灾(m3/s)160.675换气(m3/s)121.4703控制需风量(m3/s)441.396十十一一、风风机机的的选选择择射流风机纵向通风隧道风速Vr=Qreg/Ar=6.867838805 10m/s各指标满足要求，因此采用射流风机纵向通风方式十十二二、单单向向隧隧道道交交通通通通风风力力PtPt汽车等效抗阻面积AmrlAcsc1Aclc2Am0.4712.130.480565.370.84922.689336675AmArncVrPt2.68933667564.271.158366499290.8086.867838805117.8885429十十三三、隧隧道道内内通通风风

10、阻阻力力PrPr隧道内沿程摩擦阻力P的计算rLDrVrP0.0222688.291.1583664996.867838805149.4771109隧道内局部阻力piiVrpi0.021.1583664996.8678388050.546369158PrPpi150.02348149.47711090.546369158十十四四、自自然然通通风风力力PmPmerLDrVnPm0.50.0222688.291.158366499256.0186十十五五、每每台台射射流流风风机机升升压压力力PjPj同一断面2台风机VjAjArVrPj1.158366499300.98470464.276.8678388050.78.621422十六、风机