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Author

Firdevs Uysal

2 papers indexed here

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Open access Aug 2026

Predictive modeling of soaked and unsoaked California bearing ratio for coarse and fine-grained soils: a comparative study using XGBoost and ANN architectures

The California Bearing Ratio is a vital parameter for pavement design, but traditional laboratory testing is expensive and time-consuming. This study addresses the limitations of simplified empirical models by developing advanced data-driven frameworks using Artificial Neural Networks and Extreme Gradient Boosting. Uti...

A. B. Çolak, Firdevs Uysal, Esra Tatlıoğlu · 0 citations
Open access Sep 2026

Strength and Durability of Natural Fine-Grained Soil Stabilized with Fly Ash–Based Geopolymer: Effects of Sulfate Attack and Freeze–Thaw Cycles

Problematic fine-grained soils exhibit low strength and inadequate durability, highlighting the need for sustainable stabilization using eco-friendly binders. This study examined the strength development and durability of a natural CH soil (NSs) stabilized with fly ash (FA) based geopolymer exposed to sulfate attack an...

Firdevs Uysal · 0 citations

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