1、隧隧道道通通風風計計算算書書一一、基基本本參參數數表表項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設計行車速度80km/h隧道進口設計標高m310305隧道出口設計標高m305310內空斷面積Ar64.2764.27隧道內空斷面當量直徑Drm8.298.29二二、隧隧道道煙煙塵塵允允許許濃濃度度k k運營狀況交通阻滯正常運營交通管制養護維修計算車速（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、風風計計算算參參數數表表項目 單位計算與控制參數備注設計控制正常交通設計控制風速m/s8風速大災工況設計控制風速m/s2.5換氣設計控制風速m/s2.5環境參數洞內外自然風壓在洞內產生的自然風速Vam/s3計算空氣密度kg/m31.2計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汽車尾氣基準排放量qcom3/veh*km0.007qv1m3/veh*km2折減系數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測表pcu/d設計目標年份2013201520202032隧道基本參數表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、計計算算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、計計算算COCO的的需需風風量量工況車速（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、計計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、計計算算煙煙霧霧需需風風量量工況車速（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、計計算算換換氣氣需需風風量量nLArQreg3226864.27121.4703十十、火火災災需需風風量量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風量量運行工況左線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(m3/s)160.675換氣(m3/s)121.4703控制需風量(m3/s)441.396十十一一、風風機機的的選選擇擇射流風機縱向通風隧道風速Vr=Qreg/Ar=6.867838805 10m/s各指標滿足要求，因此采用射流風機縱向通風方式十十二二、單單向向隧隧道道交交通通通通風風力力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、隧隧道道內內通通風風

10、阻阻力力PrPr隧道內沿程摩擦阻力P的計算rLDrVrP0.0222688.291.1583664996.867838805149.4771109隧道內局部阻力piiVrpi0.021.1583664996.8678388050.546369158PrPpi150.02348149.47711090.546369158十十四四、自自然然通通風風力力PmPmerLDrVnPm0.50.0222688.291.158366499256.0186十十五五、每每臺臺射射流流風風機機升升壓壓力力PjPj同一斷面2臺風機VjAjArVrPj1.158366499300.98470464.276.8678388050.78.621422十六、風機