Advancements in Geopolymer Concrete Technology: A Comprehensive Review of Fresh, Hardened and Microstructural Properties

Articles in Press

Authors

1 Department of Civil Engineering, Graphic Era (Deemed to be University), Dehradun, Uttarakhand-248002, India.

2 Department of Civil Engineering, Graphic Era (Deemed to be University), Dehradun, Uttarakhand-248002, India

Abstract

This review summarizes recent developments in geopolymer concrete technology, focusing on fresh, hardened, and microstructural properties. Key findings include the impact of ultrafine ground granulated blast furnace slag on enhancing workability and reducing setting times. Geopolymer concrete exhibits lower density and improved water resistance compared to traditional concrete, with compressive, flexural, and split tensile strengths increasing over time. Microstructural analyses highlight denser matrices and improved mechanical properties through effective activation processes. These advancements highlight geopolymer concrete's potential as a sustainable and durable construction material, emphasizing the need for further research and development for widespread adoption in the industry. The review categorizes frequently employed precursors based on their primary chemical components and explores how different binder types impact various aspects of lightweight geopolymers. Additionally, it consolidates optimal mix designs from various studies to aid readers in choosing suitable binders and achieving desired density and compressive strength goals through the utilization of different precursors, alkaline binder solutions, and lightweight concrete.

Keywords

Civil Engineering Infrastructures Journal

Articles in Press, Accepted Manuscript
Available Online from 12 November 2024

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History

  • Receive Date: 16 May 2024
  • Revise Date: 18 October 2024
  • Accept Date: 12 November 2024

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