ArticlePolymers2022
Experimental Investigation of Unconfined Compression Strength and Microstructure Characteristics of Slag and Fly Ash-Based Geopolymer Stabilized Riverside Soft Soil.
Article in Polymers, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 27 citations in OpenAlex.
- Strength and Durability of Natural Fine-Grained Soil Stabilized with Fly Ash-Based Geopolymer: Effects of Sulfate Attack and Freeze-Thaw Cycles.Materials (Basel, Switzerland) · 2026Article
- Stabilization and solidification of iron ore tailings using alkali-activated geopolymer.Scientific reports · 2026Article
- Comparative Analysis of Chemical Activators and Expansive Agents for Aeolian Sand Stabilization Using Industrial Solid Waste-Based Geopolymers.Gels (Basel, Switzerland) · 2025Article
- Characterization of the Mechanical Behavior and Stabilization Mechanism of Soft Soil Treated with Xanthan Gum Biopolymer.Polymers · 2025Article
- The Role of a New Stabilizer in Enhancing the Mechanical Performance of Construction Residue Soils.Materials (Basel, Switzerland) · 2024Article
- The Design of a Novel Alkali-Activated Binder for Solidifying Silty Soft Clay and the Study of Its Solidification Mechanism.Materials (Basel, Switzerland) · 2024Article
- Experimental Study on Durability Degradation of Geopolymer-Stabilized Soil under Sulfate Erosion.Materials (Basel, Switzerland) · 2022Article
- Influence of Multiple Factors on the Workability and Early Strength Development of Alkali-Activated Fly Ash and Slag-Based Geopolymer-Stabilized Soil.Materials (Basel, Switzerland) · 2022Article
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7 authors at 4 institutions in 1 country.
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Abstract
To solve the issues of insufficient early strength of cement stabilized soil and high resource cost, high reduction cost, and high environmental cost induced by the application of cement, the slag and fly ash-based geopolymer was adopted as the stabilizer to treat riverside soft soil. This study mainly investigated the effects of stabilizer content, slag-to-fly ash ratio, and alkaline activator content on the strength of geopolymer stabilized soils with different curing ages. Unconfined compressive strength (UCS), scanning electron microscope (SEM), and X-ray energy spectrum analysis (EDS) tests were carried out. The results show that the stabilizer content, slag-fly ash ratio, and alkaline activator content have a decisive influence on the UCS of geopolymer-stabilized soil. The mix-proportions scheme of geopolymer stabilized riverside soft soil, with a geopolymer content of 15%, a slag-fly ash ratio of 80:20, and an alkaline activator content of 30%, is considered optimum. It is proven by SEM that the uniformly distributed gelatinous products formed in the geopolymer-stabilized soil bind the soil particles tightly. Moreover, the EDS analysis confirms that the gelatinous products are mainly composed of C-S-H gel and sodium-based aluminosilicate (N-A-S-H).
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