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隧道建设（中英文） ›› 2022, Vol. 42 ›› Issue (S1): 396-403.DOI: 10.3973/j.issn.2096-4498.2022.S1.046

• 规划与设计 • 上一篇    下一篇

公路隧道需风量计算对比分析——基于我国《公路隧道通风设计细则》2014与国外PIARC 2019标准

王毅宁1, 谢静超1, *, 薛鹏1, 赵珊珊1, 张广凯1, 蒋振雄2, 刘加平1, 3   

  1. （1. 北京工业大学 绿色建筑环境与节能技术北京市重点实验室， 北京 100124； 2. 江苏省交通工程建设局， 江苏 南京 210001； 3. 西安建筑科技大学 西部绿色建筑国家重点实验室， 陕西 西安 710055）

  • 出版日期:2022-07-22 发布日期:2022-08-23
  • 作者简介:王毅宁(1997—), 男, 河南郑州人, 北京工业大学土木水利专业在读硕士, 研究方向为隧道通风。Email: wyn@emails.bjut.edu.cn。*通信作者： 谢静超， Email: xiejc@bjut.edu.cn。

Comparative Analysis of Air Demand Calculation of Highway Tunnel between China’s Ventilation Design Rules 2014 and Foreign PIARC 2019 Standards

WANG Yining1, XIE Jingchao1, *, XUE Peng1, ZHAO Shanshan1, ZHANG Guangkai1, JIANG Zhenxiong2, LIU Jiaping1, 3   

  1. (1. Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing 100124, China; 2. Jiangsu Traffic Engineering Construction Bureau, Nanjing 210001, Jiangsu, China; 3. State Key Laboratory of Western Green Building, Xi′an University of Architecture and Technology, Xi′an 710055, Shaanxi, China)

  • Online:2022-07-22 Published:2022-08-23

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摘要： 为探究国内外公路隧道通风标准中需风量存在差异的原因，解决目前公路隧道通风精准化设计存在的难题，以我国隧道通风设计标准JTG/T D70/2-02—2014《公路隧道通风设计细则》和世界道路协会（PIARC）《Road tunnels : Vehicle emissions and air demand for ventilation》2019标准中关于隧道稀释机动车污染物所需风量计算方法为理论基础，结合江苏省某长江隧道实际工程案例，针对80、60、40、30、20（全程阻滞）、10 km/h（局部阻滞）6种工况，分别计算稀释CO、NO2和VI的近期（2035年）、远期（2045年）所需风量。结果表明： 1）两者在计算方法上的不同造成了计算结果的差异，相同背景计算出的稀释污染物设计需风量数值国内标准是国际标准的3.35倍； 国内外机动车CO基准排放量的差异是造成稀释CO所需风量差距较大的原因，且NO2对隧道需风量的影响程度已逐渐超过CO。2）采用国内标准计算稀释VI所需风量值在低车速工况下受烟尘设计浓度值和车密度影响较明显。3）随着机动车尾气排放标准逐渐严格和新能源汽车的出现，为了适应我国机动车尾气排放特性，新的基准排放量要考虑的因素需增加。

关键词: 公路隧道, 机动车污染物, 需风量计算, 基准排放量

Abstract: To explore the reasons for the difference in air demand in the ventilation standards of highway tunnels in China and abroad, and solve the current difficulties in the precise design of highway tunnel ventilation, the China′s tunnel ventilation design standard of 〖WT５《TNR#I》〗Road Tunnel Ventilation Design Rules〖WT５《TNR》〗 (JTG /T D70/2022014) and the 〖WT５《TNR#I》〗Vehicle Emissions and Air Demand for Ventilation〖WT５《TNR》〗 2019 by the WorldRoadAssociation are taken as study objects, the calculation methods of freshair volume required for diluting pollutants of motor vehicles in tunnels are used to calculate the freshair volume required for the shortterm(2035) and longterm(2045) of diluting CO, NO2, and VI under six conditions such as 80 km/h, 60 km/h, 40 km/h, 30 km/h, 20 km/h (full block), and 10 km/h (local block), by taking the Yangtze river tunnel in Jiangsu province, China as an example. The results reveal the following:  (1) The difference in two calculation methods results in the difference in calculation results. The design freshair volume required for diluting pollutants calculated by Chinese standards is 3.35 times higher than that by foreign standards. The difference of CO baseline emissions of motor vehicles in China and abroad is the reason for the large difference in the air volume required to dilute CO, and the impact of NO2 on the freshair volume of tunnels has gradually exceeded that of CO. (2) The result of calculating the freshair volume required for VI dilution using Chinese standards shows that it is significantly affected by the design concentration value of VI and the vehicle density under low vehicle speed conditions. (3) With the gradual strictness of motor vehicle exhaust emission standards and the emergence of new energy vehicles, in order to adapt to the characteristics of motor vehicle exhaust emissions in China, the factors to be considered in the new baseline emissions need to be increased.

Key words:  , highway tunnel, motor vehicle pollutants, air demand calculation, baseline emission

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