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Can Geopolymer Concrete Replace the Conventional Concrete?—State of the Art

  • Shreelaxmi Prashanth
  • B. Vijayalaxmi KedilayaEmail author
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 25)

Abstract

Environmental pollution badly affects the ecosystem. Cement is the main ingredient for the production of concrete. Cement production, however, involves burning of limestone resulting in emission of carbon dioxide (CO2) gas into the atmosphere. The release in CO2 causes global warming. Geopolymer concrete is one of the solutions for dealing with this problem since, because of geopolymerisation the need for cement can be totally eliminated. This paper reports the state of the art of the present status of geopolymer concrete. It has been found that with the use of alkaline activators such as sodium or potassium silicates and hydroxides in conjunction with industrial wastes such as fly ash, ground granulated blast furnace slag, etc. a paste is formed which acts as a binder. Parameters affecting the properties of geopolymer concrete are the molarity of the alkaline solution, proportions of the binders used, curing conditions and also the aggregate properties have influence on the resulting properties.

Keywords

Cement alternative Alkali activation Fly ash Mortar Geopolymer 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Civil EngineeringSahyadri College of Engineering & ManagementMangaloreIndia

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