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为了适应铁路提速和今后高速化的需要 ,正在对现行标准GB/T 345 0 - 94《铁路机车司机室噪声允许值》进行修订。本文介绍了有关的国际标准情况和修订中考虑的一些问题。此次修订基于国际标准UIC 6 5 1OR- 2 0 0 1,拟将速度范围提高到 30 0km h ,评价量采用 30min等效声级 ,司机室内噪声的强制允许值规定为 78dB(A)
In order to meet the needs of speeding up and speeding up of the railway in the future, the current standard GB / T 345 0 - 94 Noise Permitted Value of Locomotive Cabin is being revised. This article describes the relevant international standards and some of the issues to consider in the revision. The revision is based on the international standard UIC 6 1 1 0 0 0 1, which intends to increase the speed range to 30 0 km h, 30-minute equivalent sound level for the rating, and 78dB (A) for driver’s cabin noise.