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Development Study on Prediction Technique of Construction Noise for Environmental Assessment

环境评价施工噪声预测技术发展研究

基本信息

批准号：
15360307
负责人：
TACHIBANA Hideki
金额：
$ 7.94万
依托单位：
Chiba Institute of Technology (2004)The University of Tokyo (2003)
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2003
资助国家：
日本
起止时间：
2003 至 2004
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-15360307/
关键词：
environmental noise construction noise environmental impact assessment sound power level noise propagation outdoors swept-sine method

项目摘要

In this research, a method of predicting construction noise has been investigated in two years (fiscal 2003 and 2004) as a research for environmental impact assessment. In the first year, basic studies on (1) classification of construction noises from an acoustical viewpoint and (2) assessment method of noise emission characteristics of various kinds of machines and equipment for construction works. Based on these studies, the following investigations have been carried out in the second year.(1) Investigation on the system of environmental impact assessment in Japan : In order to show the aim of this study and its significance in environmental science, the legislative system for environmental impact assessment in Japan was analyzed and the relationship between environmental monitoring environmental impact assessment was considered.(2) Prediction system of construction noise : Regarding construction noise as one of the environmental noises, calculation flow and acoustical information fo … More r the prediction of construction noise were investigated based on the prediction model "ASJ CN-Model 2002" proposed by the Acoustical Society of Japan.(3) Assessment method of noise source characteristics for the prediction of construction noise : In order to quantitatively obtain the sound emission characteristics of machines and equipment for construction works with various temporal and spatial properties, theoretical investigations were performed and various kinds of noise indicators for unifying the ways of measurement and assessment were proposed.(4) Grasp of noise source characteristics by field measurements : Based on the results of the studies mentioned above, field measurements were carried out at some typical construction work sites. In these measurements, the data for noise emission characteristics of various kinds of machines for earthworks, road pavement, concrete destruction, blasting, etc. were obtained.(5) Measuring method for noise propagation outdoors : In order to establish a method of measuring the outdoor sound propagation characteristics influenced by meteorological conditions, the swept-sine technique using a sweep signal with a long duration time was developed and its effectiveness was actually examined by performing measurements at construction work sites of a highway and a road tunnel.(6) Numerical analysis method for noise propagation : As a method for calculating the sound propagation under complicated boundary conditions which needs to be analyzed by wave-acoustics, the application of the time-domain finite difference method to this problem was investigated and its applicability to sound propagation in a tunnel was examined. Less

本研究作为环境影响评价的研究，分两年（2003年度、2004年度）对施工噪音的预测方法进行了研究。第一年的基本研究包括：（1）从声学角度对建筑噪音进行分类;（2）建筑工程中各类机器和设备的噪音排放特性的评估方法。在这些研究的基础上，在第二年进行了以下调查。(1)对日本环境影响评价制度的考察：为了说明本研究的目的及其在环境科学中的意义，对日本环境影响评价的立法制度进行了分析，并对环境监测与环境影响评价的关系进行了思考。(2)建筑施工噪声预测系统：将建筑施工噪声作为环境噪声的一种，给出了建筑施工噪声预测的计算流程和声学信息。 ...更多信息基于日本声学学会提出的“ASJCN-Model 2002”预测模型，对建筑噪声的预测进行了研究。(3)建筑施工噪声预测中的噪声源特性评价方法：为了定量获得具有不同时空特性的建筑工程机械设备的声发射特性，进行了理论研究，提出了各种噪声指标，统一了测量和评价方法。(4)通过现场测量掌握噪声源特性：在上述研究结果的基础上，对典型建筑施工现场进行了现场测量。在这些测量中，获得了用于土方工程、路面、混凝土破坏、爆破等的各种机械的噪声发射特性的数据。(5)室外噪声传播的测量方法：为了建立测量受气象条件影响的室外声音传播特性的方法，开发了使用具有长持续时间的扫描信号的扫描正弦技术，并通过在公路和公路隧道的施工作业现场进行测量来实际检查其有效性。(6)噪声传播的数值分析方法：作为一种计算在需要用波动声学分析的复杂边界条件下的声传播的方法，研究了时域有限差分法在该问题中的应用，并检验了其对隧道中声传播的适用性。少