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The Effect of Slag and Limestone Filler on Resistivity, Sorptivity, and Permeability of Concrete with Low Paste Content

Published online by Cambridge University Press:  22 November 2012

Yury A. Villagrán Zaccardi ,
Ángel A. Di Maio  and
Roberto Romagnoli
Yury A. Villagrán Zaccardi
Affiliation:
LEMIT and CONICET, 52 entre 121 y 122, 1900 La Plata, Argentina
Ángel A. Di Maio
Affiliation:
LEMIT and CONICET, 52 entre 121 y 122, 1900 La Plata, Argentina
Roberto Romagnoli
Affiliation:
CIDEPINT and CONICET, 52 entre 121 y 122, 1900 La Plata, Argentina
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Abstract

This paper deals with several concrete properties and to what extent they are influenced by slag and limestone filler, either one or both of them are included. Concrete was designed for low paste content, this is, a water reducing admixture (WR) was used to limit mixing water content. The results are compared with concrete made with commercial composite cement, blended during milling. Concrete was tested for compressive strength, sorptivity, resistivity, and water penetration under pressure. The volume of paste in all concrete mixes was the same.

Results showed the effect of slag on concrete transport properties. The effect of limestone filler was minimal either admixed solely or in conjunction with slag. On the other hand, blended cement appeared to be less effective on improving concrete transport properties. Compressive strength was less affected than transport properties by slag inclusion.

Keywords

compositeadditiveselectrical properties
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1488: Symposium 7B – Concrete with Smart Additives and Supplementary Cementitious Materials , 2012 , imrc12-1488-07b-002
Copyright
Copyright © Materials Research Society 2012 

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