ArticleMaterials (Basel, Switzerland)2022
Mechanical Performance of Fly Ash Based Geopolymer (FAG) as Road Base Stabilizer.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Strength and Microstructural Evolution of SRX-Stabilized Aeolian Sand-Gravel Flexible Base for Desert Road Construction.Materials (Basel, Switzerland) · 2025Article
- Investigation of Mechanical and Shrinkage Performance for Large-Size Cement-Stabilized Aggregates.Materials (Basel, Switzerland) · 2024Article
- Structural Characteristics and Cementitious Behavior of Magnesium Slag in Comparison with Granulated Blast Furnace Slag.Materials (Basel, Switzerland) · 2024Article
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Authors and funding
9 authors.
Funding
Abstract
This study examines the strength development of fly ash-based geopolymer (FAG) as a stabilizer for road base material for pavement construction. In the last decade, there has been a rapid development of conventionally treated bases, such as cement-treated bases. However, a major problem with this kind of application is the shrinkage cracking in cement-treated bases that may result in the reflection cracks on the asphalt pavement surface. This study explores the effects of FAG on base layer properties using mechanistic laboratory evaluation and its practicability in pavement base layers. The investigated properties are flexural strength (FS), unconfined compressive strength (UCS), shrinkage, and resilient modulus (RM), as well as indirect tensile strength (ITS). The findings showed that the mechanical properties of the mixture enhanced when FAG was added to 80-85% of crushed aggregate, with the UCS being shown to be a crucial quality parameter. The effectiveness of FAG base material can have an impact on the flexible pavements' overall performance since the base course stiffness directly depends on the base material properties. As a stabilizing agent for flexible pavement applications, the FAG-stabilized base appeared promising, predicated on test outcomes.
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Registered trials
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