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:: Volume 9, Issue 4 (3-2016) ::
2016, 9(4): 3193-3206 Back to browse issues page
Protection against gamma rays with heavy concrete application of lead slag-containing
Alimohammad Ajorloo *1, A. Yadolahi, A.R. Zolfaghari
1- , am_ajorloo@sbu.ac.ir
Abstract:   (9446 Views)
The use of heavy concrete as a protective shield against high-energy gamma rays is very common. It is also an effective, versatile and economical material. The heavy concrete production can use lead slag as raw materials. The use of lead slag in the production of concrete blocks saves natural resources and reduces the environmental problems caused by the accumulation of industrial waste. However, concrete production, due to the presence of heavy metals with high atomic number can be used as an effective shield against gamma radiation. This study examines the use of lead slag produced in the battery recycling process as concrete aggregates. For this purpose, strength and gamma-ray attenuation coefficient for concrete samples prepared by replacing 40 to 60 percent lead slag instead of natural aggregate. The effect of 1 to 5 percent lead powder in setting time of concrete was measured. The results showed that by increasing the amount of lead slag, density, mechanical strength and gamma-ray attenuation coefficient for concrete samples increased significantly, but lead powder delays setting time of cement paste. In general, appropriate lead slag concrete construction with minimal thickness, reduce the cost of protection and provides the highest level of attenuation
Keywords: Heavy concrete, lead slag, Gamma radiation, Mechanical strength, attenuation coefficient
Full-Text [PDF 532 kb]   (5496 Downloads)    
Type of Study: Original Manuscript | Subject: En. Geology
Accepted: 2016/10/5 | Published: 2016/10/5
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ajorloo A, Yadolahi A, Zolfaghari A. Protection against gamma rays with heavy concrete application of lead slag-containing. Journal title 2016; 9 (4) :3193-3206
URL: http://jeg.khu.ac.ir/article-1-2018-en.html

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Volume 9, Issue 4 (3-2016) Back to browse issues page
نشریه زمین شناسی مهندسی Journal of Engineering Geology
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