Improvement of Clay Shale Soil Characteristics Using Asphalt Emulsion and Artificial Lightweight Aggregate Perlite
Keywords:
Clay Shale, Soil Stabilization, Asphalt Emulsion, Artificial Light Weight Aggregate Perlite, TriaxialAbstract
The present study investigates the effect of stabilizing clay shale soil using asphalt emulsion stabilizing material and artificial lightweight aggregate perlite. Clay shale soil is characterized by its low strength when exposed to the elements, particularly air and water. Clay shale soil is characterized by its low strength, high plasticity, and poor durability, which poses significant challenges in geotechnical engineering and road pavement applications. The objective of this study is to evaluate the optimum moisture content, maximum dry bulk density, Atterberg limits, and internal friction angle in the soil. The study systematically varies the curing time of the stabilized soil, with samples collected at 0 days, 3 days, 7 days, and 14 days. The findings indicate that the incorporation of asphalt emulsion and artificial lightweight aggregate leads to a reduction in plasticity and an augmentation in the internal friction angle. The most significant enhancement was observed in variation 1, which underwent a 14-day curing period. The internal friction angle prior to stabilization was 13,8°, and it increased to 21,8°.
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Copyright (c) 2025 Victor Firstkiel Feber Naess, Syahril S, Indra Noer Hamdhan, Khansa Nuansa Oktofani, Kevin Hutama Syahputra
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