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Properties of concrete made with volcanic ash

Authors
Journal
Resources Conservation and Recycling
0921-3449
Publisher
Elsevier
Volume
66
Identifiers
DOI: 10.1016/j.resconrec.2012.06.010
Keywords
  • Chloride Permeability
  • Compressive Strength
  • Concrete
  • Electrical Resistivity
  • Hydration
  • Mortar
  • Porosity
  • Sulfate Resistance
  • Volcanic Ash
Disciplines
  • Chemistry

Abstract

Abstract Volcanic ash (VA) is formed during volcanic eruptions, and is considered as natural pozzolan as per ASTM C618-93, a standard specification for ‘Fly Ash and Raw or Calcinated Natural Pozzolan for Use as a Mineral Admixture in Portland Cement Concrete’. It can be suitably used in cement, mortar, and concrete. This paper presents comprehensive details of the physical, chemical properties of volcanic ash. It also covers effect of volcanic ash the slump, compressive strength, porosity, permeability, and sulfate resistance of concrete.

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