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- W324407787 abstract "Modernization of a major section of MBTS's Blue Line required part of the line to be shut down for a year. Noise abatement was high on the list of priorities in the improvement program due to the history of vigorous noise complaints from the abutting neighborhoods. A noise abatement priority study was conducted to determine cost-effective treatments. Noise measurements conducted prior to the shut down showed abnormally high wheel/rail noise, and projections showed that an aggressive wheel maintenance program would remove noise impacts in many locations that would otherwise qualify for a noise barrier. During the shut-down, wheels were inspected and on most cars trued, resulting in a fleet-average noise reduction of 5 dB--with up to 13 dB reductions in the worst case conditions. This presentation will show the before and after measurement results and discuss the general improvements possible without resorting to noise barriers." @default.
- W324407787 created "2016-06-24" @default.
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- W324407787 date "1996-01-01" @default.
- W324407787 modified "2023-09-27" @default.
- W324407787 title "DEMONSTRATION OF EFFECTIVE NOISE REDUCTION ON MBTA" @default.
- W324407787 hasPublicationYear "1996" @default.
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