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Numerical Simulation based Evaluation Method of Structure-borne Noise of Reinforced Concrete ViaductWATANABE, Tsutomu; IKEDA, Manabu; UDA, Toki; AKUTSU, Mariko; KITAGAWA, Toshiki
Quarterly Report of RTRI, 2021/05/01, Letnik: 62, Številka: 2Journal Article
This paper describes a study to develop a method for simulating structure borne noise on reinforced concrete viaducts, consisting of structural vibration and acoustic analyses. Results of acoustic analyses and measurements found that there was a high possibility of certain frequency bands where structure-borne noise was the main factor generating noise along the railway. Analytical evaluation of the results revealed that reinforcement of the center slab could reduce structure-borne noise by 1.1 dB at the 12.5 m point and 1.8 dB at the 25 m point.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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