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学科主题: 临床医学
题名:
Assessment of personal noise exposure of overhead-traveling crane drivers in steel-rolling mills
作者: Zeng Lin; Chai Dong-liang; Li Hui-juan; Lei Zhuo; Zhao Yi-ming
关键词: noise, occupational ; exposure assessment ; overhead-traveling crane driver
刊名: CHINESE MEDICAL JOURNAL
发表日期: 2007-04-20
卷: 120, 期:8, 页:684-689
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
关键词[WOS]: HEARING-LOSS ; WORKERS
英文摘要:

Background Noise is widespread occupational hazard in iron and steel industry. Overhead-traveling cranes are widely used in this industry, but few studies characterized the overhead-traveling crane drivers′ noise exposure level so far. In this study, we assessed and characterized personal noise exposure levels of overhead-traveling crane drivers in two steel-rolling mills.

Methods One hundred and twenty-four overhead-traveling crane drivers, 76 in the cold steel-rolling mill and 48 in the hot steel-rolling mill, were enrolled in the study. Personal noise dosimeters (AIHUA Instruments Model AWA5610e, Hangzhou, China) were used to collect full-shift noise exposure data from all the participants. Crane drivers carried dosimeters with microphones placed near their collars during the work shifts. Work logs had been taken by the drivers simultaneously. Personal noise exposure data were divided into segments based on lines in which they worked. All statistical analyses were done using SPSS 13.0.

Results The average personal noise exposure (L(Aeq.8h)) of overhead-traveling crane drivers in the hot steel-rolling mills ((85.03 +/- 2.25) dB(A)) was higher than that in the cold one ((83.05 +/- 2.93) dB(A), P<0.001). There were 17 overhead traveling cranes in the hot steel-rolling mill and 24 cranes in the cold one, of which carrying capacities varied from 15 tons to 100 tons. The average noise exposure level based on different lines in the hot and cold steel-rolling mills were (85.2 +/- 2.61) dB(A) and (83.3 +/- 3.10) dB(A) respectively (P=0.001), which were similar to the average personal noise exposure in both mills. The noise exposure levels were different among different lines (P=0.021).

Conclusion Noise exposure levels, depending upon background noise levels and the noise levels on the ground, are inconstant. As the noise exposure levels are above the 85 dB(A) criteria, these drivers should be involved in the Hearing Conservation Program to protect their hearing.

语种: 英语
WOS记录号: WOS:000246165000014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/66685
Appears in Collections:北京大学第三临床医学院_职业病科_期刊论文

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作者单位: 1.Peking Univ, Hosp 3, Res Ctr Occupat Med, Beijing 100083, Peoples R China
2.Taiyuan Iron & Steel Grp Co LTD, Dept Occupat Hlth, Ctr Dis Control & Prevent, Taiyuan 030003, Peoples R China

Recommended Citation:
Zeng Lin,Chai Dong-liang,Li Hui-juan,et al. Assessment of personal noise exposure of overhead-traveling crane drivers in steel-rolling mills[J]. CHINESE MEDICAL JOURNAL,2007,120(8):684-689.
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