Evaluate traffic noise level based on traffic microsimulation combined with a refined classic noise prediction method
Zhang, Chen, He, Jie, Wang, Haifeng, & King, Mark (2014) Evaluate traffic noise level based on traffic microsimulation combined with a refined classic noise prediction method. In Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications, SCITEPRESS, Vienna University of Technology, Vienna, pp. 693-700.
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In this paper, a refined classic noise prediction method based on the VISSIM and FHWA noise prediction model is formulated to analyze the sound level contributed by traffic on the Nanjing Lukou airport connecting freeway before and after widening. The aim of this research is to (i) assess the traffic noise impact on the Nanjing University of Aeronautics and Astronautics (NUAA) campus before and after freeway widening, (ii) compare the prediction results with field data to test the accuracy of this method, (iii) analyze the relationship between traffic characteristics and sound level. The results indicate that the mean difference between model predictions and field measurements is acceptable. The traffic composition impact study indicates that buses (including mid-sized trucks) and heavy goods vehicles contribute a significant proportion of total noise power despite their low traffic volume. In addition, speed analysis offers an explanation for the minor differences in noise level across time periods. Future work will aim at reducing model error, by focusing on noise barrier analysis using the FEM/BEM method and modifying the vehicle noise emission equation by conducting field experimentation.
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|Item Type:||Conference Paper|
|Keywords:||freeway, road widening, traffic microsimulation, noise prediction|
|Divisions:||Current > Research Centres > Centre for Accident Research & Road Safety - Qld (CARRS-Q)
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
|Copyright Owner:||Copyright 2014 SCITEPRESS (Science and Technology Publications,Lda.)|
|Deposited On:||12 Jan 2016 05:41|
|Last Modified:||13 Jan 2016 04:28|
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