Advancing the use of secondary inputs in geopolymer binders for sustainable cementitious composites

A review

Esther Adhiambo Obonyo, Elie Kamseu, Uphie C. Melo, Cristina Leonelli

Research output: Contribution to journalReview article

23 Citations (Scopus)

Abstract

Because of concerns over the construction industry's heavy use of cement and the general dissatisfaction with the performance of building envelopes with respect to durability, there is a growing demand for a novel class of "green" binders. Geopolymer binders have re-emerged as binders that can be used as a replacement for Portland cement given their numerous advantages over the latter including lower carbon dioxide emissions, greater chemical and thermal resistance, combined with enhanced mechanical properties at both normal and extreme exposure conditions. The paper focuses on the use of geopolymer binders in building applications. It discusses the various options for starting materials and describes key engineering properties associated with geopolymer compositions that are ideal for structural applications. Specific properties, such as compressive strength, density, pore size distribution, cumulative water absorption, and acid resistance, are comparable to the specifications for structures incorporating conventional binders. This paper presents geopolymer binders, with their three dimensional microstructure, as material for structural elements that can be used to advance the realization of sustainable building systems.

Original languageEnglish (US)
Pages (from-to)410-423
Number of pages14
JournalSustainability
Volume3
Issue number2
DOIs
StatePublished - Dec 1 2011

Fingerprint

Geopolymers
Binders
building
cement
construction industry
Composite materials
geotechnical property
durability
compressive strength
mechanical property
microstructure
replacement
carbon dioxide
engineering
water
acid
demand
Acid resistance
performance
Chemical resistance

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Renewable Energy, Sustainability and the Environment
  • Management, Monitoring, Policy and Law

Cite this

Obonyo, Esther Adhiambo ; Kamseu, Elie ; Melo, Uphie C. ; Leonelli, Cristina. / Advancing the use of secondary inputs in geopolymer binders for sustainable cementitious composites : A review. In: Sustainability. 2011 ; Vol. 3, No. 2. pp. 410-423.
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Advancing the use of secondary inputs in geopolymer binders for sustainable cementitious composites : A review. / Obonyo, Esther Adhiambo; Kamseu, Elie; Melo, Uphie C.; Leonelli, Cristina.

In: Sustainability, Vol. 3, No. 2, 01.12.2011, p. 410-423.

Research output: Contribution to journalReview article

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AU - Melo, Uphie C.

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