根据交通流量指标评估主干道的噪音水平

O. Mironyuk
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引用次数: 1

摘要

交通流强度逐年增加,对城市地域生态状况和自然环境的影响显著加剧。在乌克兰的城市,噪音污染的增长是一个相当热门的问题,因为汽车数量的增加对环境产生了重大影响。交通流强度和建成区密度增大导致噪声水平增大。针对目前计算交通噪声等级的分析方法存在的诸多不足,针对利沃夫市主干道噪声等级的评价,考虑交通流指标进行研究。交通流构成是影响城市环境噪声污染的重要指标之一。进行的研究表明,交通流量的速度造成了严重的噪音污染,特别是在那些鹅卵石路面的街道上。沿主干道运输的货运和客运导致噪音水平的增加,并增加其对城市领土的影响。在一天中高峰时段的主干道路段,容积率较高,货物和公共交通在一个流量中所占的份额超过30%,噪音超过可接受的标准,对环境产生了有害影响。因此,在一些城市区域或居民区的规划和建设过程中,有必要对噪声污染进行评估,并制定噪声保护措施。为了降低街道上的噪声水平,有必要考虑现有的主干道交叉口及其上的交通状况。为降低交通噪声,应合理分配城市街道货物运输和过境运输,使用定性公共交通工具,限制城市街道最高速度制度。对道路网络的进一步研究将为评估利沃夫市交通流的噪声水平分布提供机会。它将有助于确定有问题的地方,并提出消除交通噪音的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of the noise level on arterial streets depending on traffic flow indicators
The intensity of traffic flows increases every year and intensifies its impact significantly on urban territory's ecologic situation and natural environment. In Ukrainian cities, the growth of noise pollution is quite a topical problem as it has a significant impact on the environment because of the increase in car numbers. Traffic flow intensity and densification of the built-up area cause the increase of the noise level. As analytical methods of calculation of determination of traffic noise level have several disadvantages, then for assessing the level of noise on arterial streets of Lviv city, research is carried out with consideration of traffic flow indicators. One of the critical criteria that have an impact on noise pollution in the urban environment is traffic flow composition. Conducted research indicates that the speed of traffic flow creates significant noise pollution, especially on those streets where cobblestone is a road pavement. Freight and passenger transport that moves along arterial streets causes the increase of noise level and increases its impact on the city territory. On sections of arterial streets in peak periods of the day with high values of volume-capacity ratio and general share of freight and public transport of more than 30% in a flow, the noise exceeds the acceptable norms and has a harmful impact on the environment. That is why it is necessary to assess noise pollution and the development of protection measures from noise during the planning and construction of some urban regions or residential areas. It is established that to lower the noise level on streets, it is necessary to consider existing intersections of arterial streets and the regime of movement on them. To lower transport noise, it is necessary to distribute freight and transit transport by city streets more rationally, use qualitative public transport, and limit the maximal speed regime on city streets. Further research on the road network will provide an opportunity to assess the noise level distribution of traffic flows in Lviv city. It will help to determine the problem places and propose methods of combating traffic noise.
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