Abstract
Torrent air permeability tester has been widely used as one the most reliable non-destructive tests for evaluating the quality of the concrete cover. In this study, the Torrent tester was employed to evaluate the influence of rebar con-finement on the surface layer quality of expansive concrete. Blast furnace slag cement was used with the expansive agent to prepare two types of specimens with/without embedded rebars. The results comparing the variation of the measured air permeability at the ages of 28 and 56 days indicated that the con-crete cover confined by rebars obtained a better quality than that of the plain one without rebars.
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Van, L. A., Nakarai, K., May, N. H., Kubori, Y., Matsuyama, T., Kawakane, H., & Tani, S. (2020). Air permeability coefficients of expansive concrete confined by rebars. In Lecture Notes in Civil Engineering (Vol. 54, pp. 561–566). Springer. https://doi.org/10.1007/978-981-15-0802-8_88
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