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Study on Application of Cadna/A Software in Evaluating Noisy Effects of Ground and Elevated Road Traffic on Residential Areas
ZHENG Qing-feng;XU Wei-zhong;CHEN Chun-gen
2011, 31 (6):
147-151.
DOI: 10.3969/j.issn.1006-1355-2011.06.033
With the use of Cadna/A software, 3D simulation models are built up for evaluating noise impacts of ground and elevated road traffic on adjacent residential buildings in different cases such as different road conditions, different driving speeds of vehicles, different clearance of the roads to the residential buildings etc. Furthermore, the noise-reduction effects of sound barriers with different clearance to the residential buildings are predicted and analyzed. Finally, a proper standard for sound barrier construction is put forward, which may provide an important technical basis for building layout and environment protection bureau.
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