成都市施工扬尘排放特征研究

范武波; 陈军辉; 唐斌雁; 冯小琼; 孙海龙; 张懿; 王杰; 金晨阳; 骆丽红; 蒋涛; 吴锴; 孙蜀; 姜涛; 钱骏; 刘政

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中国环境科学 ›› 2020, Vol. 40 ›› Issue (9) : 3767-3775.

大气污染与控制

成都市施工扬尘排放特征研究

范武波^1,2, 陈军辉¹, 唐斌雁¹, 冯小琼¹, 孙海龙³, 张懿¹, 王杰¹, 金晨阳¹, 骆丽红¹, 蒋涛⁴, 吴锴⁴, 孙蜀¹, 姜涛¹, 钱骏¹, 刘政¹

作者信息 +

Dust emission characteristics of construction activities in Chengdu

FAN Wu-bo^1,2, CHEN Jun-hui¹, TANG Bin-yan¹, FENG Xiao-qiong¹, SUN Hai-long³, ZHANG Yi¹, WANG Jie¹, JIN Chen-yang¹, LUO li-hong¹, JIANG Tao⁴, WU Kai⁴, SUN Shu¹, JIANG Tao¹, QIAN Jun¹, LIU Zheng¹

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文章历史 +

摘要

采用DustTRAK TM气溶胶（粉尘）监测仪对成都市112个不同类别的房建、市政工地施工扬尘进行测试，研究了不同类别施工扬尘的排放特征，分析了下风向扬尘浓度的变化趋势，并采用CALPUFF对成都市新都区某建筑工地的排放进行了模拟.结果表明：（1）成都市施工扬尘排放浓度约为0.13~2.91mg/m³，其中房建类施工平均浓度约为0.94mg/m³，高于市政施工；大型工地扬尘平均浓度约为0.61mg/m³，低于中型和小型工地；土方施工阶段平均浓度约为1.21mg/m³，远高于地基建设、主体建设、装饰阶段.（2）成都市施工扬尘呈现出高低浓度交替的周期性变化，其中房建工程土方施工阶段的高低浓度差值可达到0.6mg/m³以上.（3）施工扬尘在场界外下风向5~15m范围内会出现浓度增加的趋势，随后逐渐下降，在50m附近逐渐趋于稳定，稳定浓度介于0.1~0.2mg/m³.（4）CALPUFF模型能较好地从宏观角度来模拟成都地区施工扬尘的扩散趋势，但难以捕捉施工扬尘在下风向近距离的扩散特征.

Abstract

Based on dust emission monitoring data from 112 construction sites including various types of buildings and municipal engineering sites in Chengdu with Dust TRAK TM aerosol (dust) monitor, the emission characteristics of different construction sites and their downwind dust concentration trend were studied. Additionally, the CALPUFF software was used to simulate the diffusion characteristics of one construction site in Xindu District of Chengdu. The results showed that the dust emission concentration ranged between 0.13 and 2.91mg/m³ in Chengdu. The average dust concentration at house construction sites was 0.94mg/m³, which was higher than that at municipal construction sites. The dust concentration at medium and small construction sites was higher than the average concentration of 0.61mg/m³ at large construction sites. The average dust concentration at earthwork construction phase was about 1.21mg/m³, which was much higher than those at the foundation construction, main construction, and decoration phases. The dust emission concentration showed a periodic alternation between high and low in Chengdu. The maximum difference between high and low concentration at the earthwork construction phase reached 0.6mg/m³. The dust concentration increased in the 5 to 15m downwind area of the plant boundary, and then decreased to a stable level (0.1~0.2mg/m³) at the distance around 50m. The CALPUFF model showed the capacity to simulate the diffusion trend of construction dust in Chengdu from the macro perspective, however it was still a challenge to capture the detailed diffusion characteristics of construction dust in the downwind direction.

导出引用

范武波, 陈军辉, 唐斌雁, 冯小琼, 孙海龙, 张懿, 王杰, 金晨阳, 骆丽红, 蒋涛, 吴锴, 孙蜀, 姜涛, 钱骏, 刘政. 成都市施工扬尘排放特征研究[J]. 中国环境科学. 2020, 40(9): 3767-3775

FAN Wu-bo, CHEN Jun-hui, TANG Bin-yan, FENG Xiao-qiong, SUN Hai-long, ZHANG Yi, WANG Jie, JIN Chen-yang, LUO li-hong, JIANG Tao, WU Kai, SUN Shu, JIANG Tao, QIAN Jun, LIU Zheng. Dust emission characteristics of construction activities in Chengdu[J]. China Environmental Science. 2020, 40(9): 3767-3775

中图分类号： X513

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