Influence of SCM on the Permeability of Concrete with Recycled Aggregate

Wojciech Kubissa , Roman Jaskulski , Miroslav Brodnan

Abstract

The article presents experimental analysis of concretes mixed by using natural and low quality recycled concrete aggregate (RCA). The resistance of concretes with both, RCA and supplementary cementitious materials (SCM) to penetration in aggressive environmental conditions was studied. The influence of fly ash, microsilica and metakaolin on the concrete permeability was investigated. Besides the fundamental mechanical properties of concrete, sorptivity, water absorption, depth of penetration of water under pressure and chloride migration coefficient were tested. The significant effect on the permeability of RCA and SCM is described and discussed. The replacement of the natural aggregate by RCA decreased the concrete resistance to penetration of aggressive media, but the application of the SCM significantly reduced this negative impact.
Author Wojciech Kubissa IB
Wojciech Kubissa,,
- Insitute of Civil Engineering
, Roman Jaskulski IB
Roman Jaskulski,,
- Insitute of Civil Engineering
, Miroslav Brodnan
Miroslav Brodnan ,,
-
Journal seriesPeriodica Polytechnica-Civil Engineering, ISSN 0553-6626
Issue year2016
No8614
Pages1-8
Publication size in sheets0.5
Keywords in Polish-
Keywords in Englishrecycled concrete aggregate, supplementary cementitious materials, concrete durability, permeability
Abstract in Polish-
DOIDOI:10.3311/PPci.8614
Languageen angielski
Score (nominal)15
ScoreMinisterial score = 15.0, 28-11-2017, ArticleFromJournal
Ministerial score (2013-2016) = 15.0, 28-11-2017, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 0.313 (2) - 2016=0.365 (5)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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