Measurements of Tire and Roadway Dust Particulates in Chelyabinsk

Q4 Earth and Planetary Sciences 世界地震工程 Pub Date : 2022-06-25 DOI:10.37394/232025.2022.4.5
I. Troyanovskaya, O. Grebenshchikova, V. Erofeev
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Abstract

Harmful emissions from tire wear and roadway wear are released into the air during the operation of vehicles. Particulate road dust contains carcinogenic substances. The amount and dispersion of particulate matter in road dust was determined with a portable laser particle counter. On asphalt roads, 75% of the harmful emissions were 0.3 µm particulate matter. On dirt roads, 95% of emissions were from particles less than 1 µm. The amount of large fractions of harmful emissions did not exceed 1.5%, regardless of traffic intensity. 30 m from the roadway, the concentration of harmful substances reduced by five- to sevenfold. By 2030, the number of vehicles in Chelyabinsk will increase by 25%. This will increase the amount of harmful emissions from tire and roadway wear by 20 tons per year.
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车里雅宾斯克市轮胎和道路粉尘颗粒的测量
在车辆运行过程中,轮胎磨损和道路磨损产生的有害排放物会释放到空气中。道路粉尘颗粒含有致癌物质。用便携式激光粒子计数器测定了道路粉尘中颗粒物的数量和分布。在沥青路面上,75%的有害排放物是0.3µm的颗粒物。在土路上,95%的排放来自小于1微米的颗粒。无论交通强度如何,大分量有害排放物的排放量都不超过1.5%。距巷道30 m处,有害物质浓度降低5 - 7倍。到2030年,车里雅宾斯克的车辆数量将增加25%。这将使轮胎和道路磨损产生的有害排放物每年增加20吨。
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来源期刊
世界地震工程
世界地震工程 Earth and Planetary Sciences-Geotechnical Engineering and Engineering Geology
CiteScore
0.80
自引率
0.00%
发文量
4131
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