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评价噪声控制工程是否是最优设计,我们认为可用三个指标来衡量,即噪声冲击指数,噪声冲击听力指数和噪声治理经济成本评价量。工厂环境噪声治理的变化用噪声冲击指数评价;工人操作处噪声的治理效果用噪声冲击听力指数评价,噪声控制工程的经济成本及效益用噪声治理经济成本评价数表示。噪声冲击是噪声污染对某区域内全部人口危害大小,表示在人类社会生活环境中(工作、学习、休息及生活的各方面),噪声长期或短期作用于人的总影响。
To evaluate whether the noise control project is the optimal design, we think that it can be measured by three indexes, namely the noise impact index, noise impact hearing index and noise control economic cost evaluation. The change of factory environmental noise management is evaluated by the noise impact index. The noise management effect of worker’s operation office is evaluated by noise impact hearing index, and the economic cost and benefit of noise control project are expressed by economic management cost. Noise impact is the size of the noise pollution on the entire population in a region, indicating the total impact of noise on people in the long-term or short-term effects of human life (work, study, rest and life).