基于实测法的下凹式城市地下道路CO,NO_x排放因子研究  

Emission Factors of CO and NO_x of Urban Tunnel with Concave Structure Based on Measurement Method

作　　者：陈超[1] 胡秦镪 邓奕雯[1] 李琼[1,2] 李雁 CHEN Chao HU Qin-qiang DEGN Yi-wen LI Qiong LI Yana(School of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China School of Architecture and Civil Engineering, North China Institute of Science ＆ Technology, Beijing 101601, China Beijing General Municipal Engineering Design ＆ Research Institute Co. , Ltd. , Beijing 100082, China)

机构地区：[1]北京工业大学建筑工程学院,北京100124 [2]华北科技学院建筑工程学院,北京101601 [3]北京市市政工程设计研究总院有限公司,北京100082

出　　处：《中国公路学报》2017年第9期116-124,共9页China Journal of Highway and Transport

基　　金：国家自然科学基金项目(51378024);"十二五"国家科技支撑计划项目(2012BAJ01B03)

摘　　要：为了动态跟踪并把握城市地下道路机动车排放特征,基于隧道实测法,于2012年和2013年先后对上海市的延安东路越江隧道、翔殷路越江隧道、长沙市营盘路湘江隧道内的CO,NO_x浓度分布及相关环境参数进行了现场实测,并推算得到可反映中国城市地下道路车流综合平均CO,NO_x污染物排放因子现状水平的数据。结果表明:对于双洞单向下凹式城市地下道路,由外界产生的自然通风力的作用非常有限,而由机动车运动产生的交通通风力对隧道内污染物扩散和稀释起到了积极作用;坡度为-6%~6%条件下,下凹式城市地下道路混合车流CO,NO_x综合平均排放因子分别为(0.754±0.561)^(6.050±5.940),(0.121±0.022)^(0.818±0.755)g·km^(-1)·veh^(-1),推算结果与世界道路协会2012年关于中国地区的研究结果有较好的一致性,明显小于现行相关公路隧道规范的设计值。研究结果为中国城市地下道路通风工程设计提供了重要的参考依据。To characterize the emission of vehicles in urban tunnels, the field measurement was conducted on CO and NOx concentration together with relevant parameters in cross-river tunnel of East Yan＇an Road, cross-river tunnel of Xiangyin Road in Shanghai and Xiang River Tunnel of Yingpan Road in Changsha from 2012 to 2013, based on measurement method of the tunnel. The data reflecting in-use fleet average emission factors of CO and NOx in urban tunnels of China were deduced. The results show that as for one-way twin-bore tunnels with concave structure, the effect of natural ventilation caused by external factors is limited. The ventilation caused by The findings in accordance with results calculated by Permanent International Association of Road Congresses （PIARC） in 2012 are significantly less than designed values in the current specifications of highway tunnels. The results can provide references for the engineering design of ventilation in urban tunnel of China.

关 键 词：交通工程 排放因子 隧道实测法 机动车排放 交通特征 

分 类 号：U491.92[交通运输工程—交通运输规划与管理]