期刊
JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT
卷 17, 期 3, 页码 148-153出版社
VILNIUS GEDIMINAS TECH UNIV
DOI: 10.3846/1648-6897.2009.17.148-153
关键词
noise investigation; reciprocal noise; hygienic norms
The level of noise and its dispersion was evaluated at Klaipeda State Seaport enterprise of JSC KLASCO. Investigation was carried out at 24 measuring points located in the enterprise territory and at 6 measuring points in a residential area. Sources of noise are evaluated. Reasons of a higher noise level than that presented in the hygienic norms and possible causes of its occurance in the territory of the enterprise and in the neighbouring residential zone. Noise-decreasing means are suggested. From the proposed methods one can see that with CadnaA program, exessive noise levels are abtainable for the enterprise territory and residential zone. The achieved measuring results differ from those received with CadnaA program by 10-15%. The investigation results are presented as noise distribution determined with CadnaA program.
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