论文信息 - ROAD TRAFFIC NOISE PREDICTION MODEL 'ASJ MODEL 1998' PROPOSED BY THE ACOUSTICAL SOCIETY OF JAPAN - PART 1: ITS STRUCTURE AND THE FLOW OF CALCULATION

ROAD TRAFFIC NOISE PREDICTION MODEL 'ASJ MODEL 1998' PROPOSED BY THE ACOUSTICAL SOCIETY OF JAPAN - PART 1: ITS STRUCTURE AND THE FLOW OF CALCULATION

The Acoustical Society of Japan published a new prediction model of road traffic noise, "ASJ Model-1998", in which the equivalent continuous A-weighted sound pressure levels LAeq in roadside areas can be predicted based on energy-base calculation. This method consists of the models of sound power levels of road vehicles under stable and unstable running conditions, two kinds of sound propagation calculation methods, corrections for ground absorption, meteorological effects, shielding effects of roadside buildings, etc. In this paper, the outline of the model and the main flow of the prediction calculation are introduced. For the covering abstract see ITRD E107776.

H Tachibana

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