EFFECTS OF MIX PROPORTION ON ELECTRICAL RESISTIVITY OF CONCRETE WITH FLY ASH | Zendy

Su Wai Hnin | Zendy; Pakawat Sancharoen | Zendy; Somnuk Tangtermsirikul | Zendy

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EFFECTS OF MIX PROPORTION ON ELECTRICAL RESISTIVITY OF CONCRETE WITH FLY ASH

Author(s) -

Su Wai Hnin,

Pakawat Sancharoen,

Somnuk Tangtermsirikul

Publication year - 2017

Publication title -

asean engineering journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.135

H-Index - 3

ISSN - 2586-9159

DOI - 10.11113/aej.v7.15492

Subject(s) - electrical resistivity and conductivity , fly ash , materials science , cement , compressive strength , composite material , penetration (warfare) , geotechnical engineering , geology , mathematics , engineering , electrical engineering , operations research

The aim of this paper is to investigate the effects of mix proportion on electrical resistivity of concrete with fly ash. The electrical resistivity of concrete is measured by using four Wenner probes. The varied parameters in this study were water/binder ratio, fly ash content, and paste content. Electrical resistivity of water-saturated concrete at several different ages was studied and compared with compressive strength and rapid chloride penetration. Based on experimental results, a good relationship was obtained between results of compressive strength and rapid chloride penetration with electrical resistivity of concrete. The results of this study can be applied further to predict electrical resistivity of concrete when mix proportions are provided. According to the results, lower water/binder ratio concrete had higher resistivity than those with higher water/binder ratios. When cement was replaced at 40% by fly ash, electrical resistivity increased four times when compared to that of OPC concrete.

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