【摘要】：近幾年,汽車數(shù)量隨著社會經(jīng)濟的高速發(fā)展也呈持續(xù)上漲的趨勢,然而,隨之而來的眾多負面影響也逐漸危害著環(huán)境與人類的身心健康。在眾多影響中,道路擁堵與噪聲污染尤為嚴重。目前,國內(nèi)道路建設部門已將主要精力投放于為滿足道路交通量而進行的道路建設與規(guī)劃,而在國外,噪聲是與道路交通量是具有相同級別的管控對象。路面噪聲是以車輛所發(fā)出的噪聲為主,其和普通噪聲不同之處是其噪聲發(fā)源是不斷行駛的車輛,并發(fā)展成具有隨機性的噪聲,涉及范圍廣并且危害性具大。鑒于以上原因,本文從實際應用角度出發(fā),通過試驗方法,探尋道路噪聲產(chǎn)生的原因及控制措施,其研究內(nèi)容如下:車輛速度與噪聲的關系,選擇南京市浦口區(qū)東華路作為測試路段,為雙方向的四車道,寬24米,采用控制經(jīng)過法測試,車速采用公式計算得到,可以獲得車速。記錄車輛經(jīng)過時的噪聲值,探討車速與對應噪聲的關系。車流量與噪聲的關系,測量所選路段為南京浦口大道,該路段位于浦口區(qū),是新城區(qū)主要道路,浦口大道是雙方向八車道,具有較穩(wěn)定的車流量。選擇非機動車道和人行道間為測量點,間隔2小時進行一次測量,得到車流量所對應的噪聲級別,記錄對應車流量下的噪聲值,通過試驗探討車流量與車輛速度的關系。道路寬度與噪聲的關系,本次測量位置選擇在浦口大道,由于地鐵施工,半幅封堵,雙向八車道變?yōu)榱怂能嚨劳ㄐ?道路寬度變?yōu)樵瓉韺挾鹊囊话?分A、B兩個測試點測量不同寬度下的數(shù)據(jù),對比分析兩點的數(shù)據(jù),探討路面寬度對噪聲的影響。路面結構影響與噪聲的產(chǎn)生的關系,選擇AC-13、AC-20、SMA-13、水泥混凝土路面5中常用路面,采用控制經(jīng)過法測量60km/h、80km/h下對應的噪聲值,比較不同路面相同車速下噪聲值,探討不同類型的路面結構與噪聲的關系。本篇論文基于路面噪聲來源以及影響因素作為論文選題進行研究,從而提出相應的降低噪聲辦法和措施,以及相關防治手段,并開展了系統(tǒng)性的論述。
[Abstract]:In recent years, with the rapid development of social economy, the number of cars has been increasing. However, many negative effects have been gradually harmful to the environment and the physical and mental health of human beings. Among the many impacts, road congestion and noise pollution are especially serious. At present, the domestic road construction department has focused on the road construction and planning to meet the road traffic volume, and in foreign countries, noise is the same level of control object as the road traffic volume. Road noise is the main noise emitted by the vehicle, which is different from ordinary noise in that the noise originates from the moving vehicle, and develops into random noise, which involves a wide range and has great harmfulness. In view of the above reasons, this paper explores the causes and control measures of road noise from the point of view of practical application. The research contents are as follows: the relationship between vehicle speed and noise, Donghua Road, Pukou District, Nanjing is selected as the test section, which is four lanes and 24 meters wide. The speed can be obtained by using the method of control test and formula calculation. The noise value of passing vehicle is recorded and the relationship between vehicle speed and corresponding noise is discussed. The relationship between traffic flow and noise, the selected section of the survey is Pukou Avenue, Nanjing, which is located in Pukou District, is the main road in the new urban area, and Pukou Avenue is eight lanes to both sides, with a relatively stable traffic flow. The non-motorized lane and sidewalk are selected as the measuring points. The noise level corresponding to the traffic flow is obtained by measuring every 2 hours. The noise value corresponding to the vehicle flow is recorded and the relationship between the vehicle flow and the vehicle speed is discussed through experiments. For the relationship between road width and noise, the location of the survey was chosen at Pukou Avenue. Due to the construction of the subway, half of the block was blocked, the two-way eight lanes were turned into four lanes, and the width of the road became half of the original width. The data under different widths are measured at two test points of Agna B, and the influence of road width on noise is discussed by comparing and analyzing the data of two points. The relationship between the influence of pavement structure and the generation of noise, select the common pavement of AC-13,AC-20,SMA-13, cement concrete pavement 5, measure the corresponding noise value at 60km / h / h 80 km / h by the method of control pass, compare the noise value of different pavement at the same speed. The relationship between different types of pavement structure and noise is discussed. Based on the research of road noise sources and influencing factors, this paper puts forward the corresponding methods and measures to reduce noise, as well as related prevention measures, and carries out a systematic discussion.
【學位授予單位】：天津大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U416.2;U491.91

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