Publication detail

The effect of water/cement ratio on the sulfate corrosion of fine grained concrete

VYŠVAŘIL, M. ROVNANÍKOVÁ, M. BAYER, P.

Original Title

The effect of water/cement ratio on the sulfate corrosion of fine grained concrete

English Title

The effect of water/cement ratio on the sulfate corrosion of fine grained concrete

Type

journal article - other

Language

en

Original Abstract

This paper is focused on the sulfate attack on fine grained concrete where the effect of 0.5% sulfuric acid emulating MICC and also effect of solution simulating sewage water on the concrete samples with three different water/cement ratios (w/c = 0.4, 0.45 and 0.5) have been investigated. After 1, 3 and 6 months of the corrosive treatment the content of sulfate ions and pH values in several layers of specimens were determined. It was found that the sulfate ions penetrate into concrete to maximum depth of 20 mm and the pH of the aqueous leaches of particular layers of the samples was reduced to 11.92 at the most. Thus, the conditions for the depassivation of reinforcement were not met.

English abstract

This paper is focused on the sulfate attack on fine grained concrete where the effect of 0.5% sulfuric acid emulating MICC and also effect of solution simulating sewage water on the concrete samples with three different water/cement ratios (w/c = 0.4, 0.45 and 0.5) have been investigated. After 1, 3 and 6 months of the corrosive treatment the content of sulfate ions and pH values in several layers of specimens were determined. It was found that the sulfate ions penetrate into concrete to maximum depth of 20 mm and the pH of the aqueous leaches of particular layers of the samples was reduced to 11.92 at the most. Thus, the conditions for the depassivation of reinforcement were not met.

Keywords

concrete, corrosion, sulfates, pH, waste water

RIV year

2014

Released

01.09.2014

ISBN

2319-1163

Periodical

International Journal of Research in Engineering and Technology

Year of study

2014 (03)

Number

Special Issue 13

State

IN

Pages from

71

Pages to

76

Pages count

6

Documents

BibTex 


@article{BUT110120,
  author="Martin {Vyšvařil} and Markéta {Rovnaníková} and Patrik {Bayer}",
  title="The effect of water/cement ratio on the sulfate corrosion of fine grained concrete",
  annote="This paper is focused on the sulfate attack on fine grained concrete where the effect of 0.5% sulfuric acid emulating MICC and also effect of solution simulating sewage water on the concrete samples with three different water/cement ratios (w/c = 0.4, 0.45 and 0.5) have been investigated. After 1, 3 and 6 months of the corrosive treatment the content of sulfate ions and pH values in several layers of specimens were determined. It was found that the sulfate ions penetrate into concrete to maximum depth of 20 mm and the pH of the aqueous leaches of particular layers of the samples was reduced to 11.92 at the most. Thus, the conditions for the depassivation of reinforcement were not met.",
  chapter="110120",
  number="Special Issue 13",
  volume="2014 (03)",
  year="2014",
  month="september",
  pages="71--76",
  type="journal article - other"
}