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All Journal Jurnal Penelitian Teknik Sipil Konsolidasi
Idhang, Andi Adil Batara
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Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology

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Analisis Penambahan Serbuk Batu Karang Dan Kapur Terhadap Nilai CBR Dan Permeabilitas Tanah Lempung Idhang, Andi Adil Batara; Sariman, Syahrul; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 4 No. 1 (2026): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2026
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v4i1.5000

Abstract

Clay is a type of soil that has a low bearing capacity, so it needs to be stabilized to improve its quality as a road foundation. This research aims to analyze the effect of the addition of coral powder and lime on the value of California Bearing Ratio (CBR) and permeability of clay soil. The research was conducted in the laboratory using a mixture variation of 5% coral powder and lime with variations of 5%, 10%, and 15%. Tests were carried out on soil mechanical properties, especially CBR and permeability tests. The results showed that the addition of coral stone powder and lime increased the CBR value and decreased the permeability coefficient of clay soil. The highest CBR value was obtained in a mixture of 5% coral powder and 15% lime, with a significant increase compared to the original soil. The novelty of this research lies in the use of coral powder as a soil stabilization material combined with lime, which proved effective in increasing the strength of clay soil. The results of this study can be applied to road construction projects in areas with less stable clay soil characteristics. from this study it is concluded that the combination of coral powder and lime can increase soil bearing capacity and decrease permeability, making it suitable for use in soil stabilization in infrastructure projects.
Co-Authors Eka Yuniarto Sariman, Syahrul