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http://dx.doi.org/10.7855/IJHE.2011.13.3.111

The Study for the Realtime Noise Simulation Integration Model Applied to Traffic Simulation and Spatial Modeling  

Kang, Tae-Wook (중앙대학교 사회기반시스템공학부, 건설IT소프트웨어융합센터)
Cho, Yoon-Ho (중앙대학교 사회기반시스템공학부)
Kim, In-Tai (명지대학교 교통공학부)
Publication Information
International Journal of Highway Engineering / v.13, no.3, 2011 , pp. 111-119 More about this Journal
Abstract
The noise prediction model, KRON-2006, in South Korea has been developed for obtaining the average noise level. The model is based on an outdoor sound propagation method based on ISO9613 and ASJ Model-1998 and supports the analysis of the linear noise source, such as highway, for obtaining Leq. Because of that, the model can't obtain Lmax, Lmin from the time series noise profile based on traffic at every moment. In order to address this problem, the real time noise prediction model based on traffic simulation using GIS model and algorithm is proposed. It can predict the vehicle point noise level based on vehicle type, speed generated from traffic simulation by using headway and obtain Lmax, Lmin as integrating the noise profile generated from it at every moment. An evalution of the noise prediciton model using field measurements finds good agreement between predicted and measured noise levels at 1m, 8m, 15m from curb of the near side lane.
Keywords
noise; Lmax; analysis; simulation; assessment; traffic; 3D spatial indexing; noise map;
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