ASSESSMENT OF WORKERS' EXPOSURE TO CEMENT DUST, IN CONCRETE BATCHING UNIT OF A DAM PROJECT BEFORE AND AFTER CONTROL MEASURES

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DARVISHI EBRAHIM; MORADI AFSHAR

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Title

ASSESSMENT OF WORKERS' EXPOSURE TO CEMENT DUST, IN CONCRETE BATCHING UNIT OF A DAM PROJECT BEFORE AND AFTER CONTROL MEASURES

Author(s)

DARVISHI EBRAHIM | MORADI AFSHAR | Issue Writer Certificate

Keywords

DUSTQ2

CEMENTQ2

BATCHING SILOQ2

DAM CONSTRUCTIONQ2

Abstract

Background: The importance of clean air in inDUSTrial workplaces is well known. CEMENT DUST, due to its silica content, is very dangerous. The aims of this study were to assess and control the release of CEMENT DUST from silos of concrete batching units during charging and production processes in a dam project.Methods: In this study, DUST particule mass released from the CEMENT silos were investigated by performing environmental sampling and personal sampling from 15 operators of batching machine. Samples were analyzed by gravimetric method. Control methods were used to control the released DUST. Data collected before and after the intervention were analyzed through SPSS19 and using paired t-test and one sample t- test.Results: Mean concentrations of DUST particles masses in personal and environmental samples were respectively 15.56 and 30.77mg/m3 and both were higher than the standard exposure limit values in Iran. After implementation of DUST control methods, mean concentrations of DUST in personal and environmental samples decreased respectively to 4.1 and 5.2 mg/m3 that show the efficiency of control methods.Conclusion: The control method applied in the present study is a novel and cost-effective method to control the released particles from batching units of CEMENT silos. It is possible to decrease the DUST concentration in inDUSTrial workplaces to the standard levels, by performing simiar methods.

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APA: Copy

DARVISHI, EBRAHIM, & MORADI, AFSHAR. (2014). ASSESSMENT OF WORKERS' EXPOSURE TO CEMENT DUST, IN CONCRETE BATCHING UNIT OF A DAM PROJECT BEFORE AND AFTER CONTROL MEASURES. HEALTH AND DEVELOPMENT JOURNAL, 2(4), 305-315. SID. https://sid.ir/paper/233655/en

Vancouver: Copy

DARVISHI EBRAHIM, MORADI AFSHAR. ASSESSMENT OF WORKERS' EXPOSURE TO CEMENT DUST, IN CONCRETE BATCHING UNIT OF A DAM PROJECT BEFORE AND AFTER CONTROL MEASURES. HEALTH AND DEVELOPMENT JOURNAL[Internet]. 2014;2(4):305-315. Available from: https://sid.ir/paper/233655/en

IEEE: Copy

EBRAHIM DARVISHI, and AFSHAR MORADI, “ASSESSMENT OF WORKERS' EXPOSURE TO CEMENT DUST, IN CONCRETE BATCHING UNIT OF A DAM PROJECT BEFORE AND AFTER CONTROL MEASURES,” HEALTH AND DEVELOPMENT JOURNAL, vol. 2, no. 4, pp. 305–315, 2014, [Online]. Available: https://sid.ir/paper/233655/en

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