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논문 기본 정보

자료유형
학술저널
저자정보
장재길 (KOSHA) 김갑배 (KOSHA)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제23권 제9호
발행연도
2013.9
수록면
841 - 849 (9page)

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초록· 키워드

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Workers engaged in construction works have been exposed to high levels of noise during their work in tunnels. Noise is one of the major health hazards for employees working in construction sites. The aim of this study is to evaluate the noise levels generating from tunneling equipments such as jumbo drills, backhoes, payloaders, shotcrete machines and service cars. Explosion and turbo fan noises were also monitored. A high precision sound level meter was introduced for measuring LAeq, LAFmax, LAFmin and LCpeak noises in 5 tunneling work sites that were located in Seoul, Kyunggi-do and Kangwon-do areas with NATM and shield methods. The highest noise was recorded by explosion(151.9 dB LCpeak) followed by jumbo drills of higher than 110 dB(A) LAeq. Backhoe normally generated 90~110 dB(A) LAeq while breaking work of rock showed additional around 5~15 dB(A). Noise exposure levels for payloader and shotcrete machine scored more than 90 dB(A) which might be a source of noise-induced hearing loss. Additional research in revealing noise levels from construction equipments operating in tunneling works may enhance the protection of workers who exposed to noise primarily at the sites.

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ABSTRACT
1. 서론
2. 연구방법
3. 연구결과
4. 고찰
5. 결론
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