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The effect of freezing–thawing (F–T) cycles on the radiation shielding properties of concretes

Authors
Journal
Building and Environment
0360-1323
Publisher
Elsevier
Publication Date
Volume
41
Issue
8
Identifiers
DOI: 10.1016/j.buildenv.2005.04.025
Keywords
  • Concrete
  • Freezing–Thawing
  • γ-Ray Shielding
  • Attenuation Coefficients

Abstract

Abstract The variation of linear attenuation coefficients μ (cm −1) with the freezing–thawing (F–T) cycles has been investigated for concretes, in which different materials were used as an aggregate. For this purposes, six different concrete blocks have been produced in various ratios of water/cement (w/c) utilizing different materials as aggregates. Then, linear attenuation coefficients were measured for five different F–T cycles. It was noticed that the linear attenuation coefficients decreased with F–T cycles for all concrete types and also different effect observed for different w/c ratio and different aggregate.

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