One-part alkali activated cement based volcanic pumice

Areej T. Almalkawi, Sameer Hamadna, Parviz Soroushian

Research output: Contribution to journalArticle

  • 3 Citations

Abstract

Pumice, a volcanic tuff, was used as aluminosilicate precursor in production of one-part alkali activated cement. Depending on their cooling rate and aging processes, volcanic tuffs exhibit different degrees of reactivity. The pumice used in this project was subjected to heat treatment followed by mechanochemical processing, together with different naturally occurring sources of alkali or alkaline earth metal cations, into hydraulic (one-part alkali activated) cements. The resultant hydraulic cements were evaluated based on their strength development characteristics via hydration reactions. The particle size distribution and heat of hydration of cement particles, and the chemical composition, mineralogy, bond structure, thermal attributes and morphology of cement particles and hydrated cement paste were also investigated. The results indicated that some of the simple formulations and processing conditions developed in the project produce hydraulic cements with viable structures and strength development qualities.

LanguageEnglish (US)
Pages367-374
Number of pages8
JournalConstruction and Building Materials
Volume152
DOIs
StatePublished - Oct 15 2017

Profile

Alkalies
Abrasives
Cements
Hydraulics
Hydration
Alkaline Earth Metals
Alkaline earth metals
Mineralogy
Aluminosilicates
Ointments
Processing
pumice
Particle size analysis
Cations
Aging of materials
Positive ions
Heat treatment
Cooling
Chemical analysis

Keywords

  • Heat of hydration
  • Mechanochemical activation
  • One-part geopolymer cement
  • Thermal activation
  • Thermogravimetric analysis
  • Volcanic tuff

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

One-part alkali activated cement based volcanic pumice. / Almalkawi, Areej T.; Hamadna, Sameer; Soroushian, Parviz.

In: Construction and Building Materials, Vol. 152, 15.10.2017, p. 367-374.

Research output: Contribution to journalArticle

Almalkawi, Areej T. ; Hamadna, Sameer ; Soroushian, Parviz. / One-part alkali activated cement based volcanic pumice. In: Construction and Building Materials. 2017 ; Vol. 152. pp. 367-374
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