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A Study on the Magnitude of the Noise and Frequency According to Materials for Soundproof Facilities of Tunnel  

Won, Yeon-Ho (원앤비기술사사무소)
Cho, Young-Dong (무진네오테크)
Jeong, Jai-Hyung (한국건설기술연구원)
Publication Information
Explosives and Blasting / v.25, no.2, 2007 , pp. 23-33 More about this Journal
Abstract
It is difficult to measure a blast noise in the vicinity of tunnel blasting works and the effect of lowering noise changes very highly with types of soundproof materials. So, the main interest of this study focuses on the materials of a soundproof facilities and the method of noise forecast in a near distance. 20 types of the soundproof facilities are established and blast noise is generated using firecracker in a Hume concrete pipe. To analyze the variations of magnitudes of noise and frequency with the soundproof materials and types, the noise and frequency is measured in a short distance next to blast area.
Keywords
soundproof materials; noise; frequency;
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  • Reference
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