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Durability Performance of Geopolymer Concrete: A Review.
1College of Graduate Studies, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, Kajang 43000, Selangor, Malaysia.
Polymers
|March 10, 2022
Summary
Geopolymer concrete offers a sustainable alternative to Ordinary Portland Cement (OPC) concrete, demonstrating excellent durability against heat, chemicals, and abrasion. Its production has a lower carbon footprint, making it a promising material for the construction industry.
Area of Science:
- Materials Science
- Civil Engineering
- Green Chemistry
Background:
- Geopolymer concrete utilizes geopolymerization, forming networks from oligomers.
- Production is more energy-efficient and has a lower carbon footprint than Ordinary Portland Cement (OPC) concrete.
- Requires alkaline activators for aluminosilicate sources like metakaolin and fly ash.
Purpose of the Study:
- To review recent research on the durability of geopolymer concrete.
- To highlight its resistance to heat and chemical aggressions.
- To assess its potential as a replacement for OPC concrete.
Main Methods:
- Literature review of geopolymer concrete durability studies.
- Analysis of research on geopolymer concrete's resistance to various environmental factors.
- Examination of the effects of admixtures and fibers on geopolymer concrete properties.
Main Results:
- Geopolymer concrete exhibits high compressive strength at elevated temperatures.
- It shows low to medium chloride ion penetrability.
- Demonstrates high resistance to acid attack and abrasion.
- Admixtures like micro-silica and polypropylene fibers can enhance durability.
Conclusions:
- Geopolymer concrete is a durable and eco-friendly construction material.
- Its properties make it a viable alternative to OPC concrete.
- Further research confirms its potential for widespread application in construction.
Keywords:
abrasionacid attackalkaline activatoraluminosilicate sourceschloride ion penetrabilitycompressive strengthdurabilitygeopolymer concreteMore Related Videos
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