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All Journal Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan
Maulida, Syifa Laila
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Civil Engineering, Building, Construction & Architecture Transportation

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Studi Eksperimental Pemanfaatan Limbah Partikel EPS dan Serbuk Cangkang Telur Untuk Komposit Tanah yang Berkelanjutan Maulida, Syifa Laila; Setya, Tiane; Syahril, Syahril
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 14 No 1 (2026): Jurnal Konstruksi dan Infrastruktur Vol 14 No.1 : April 2026
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v14i1.10738

Abstract

Soft clay soil has low bearing capacity and high compressibility, which can cause structural damage. On the other hand, Expanded Polystyrene (EPS) waste and eggshell waste are abundant and difficult to decompose, making them potential materials for sustainable soil stabilization. This study aims to improve the physical and mechanical properties of soft clay by adding EPS particles at 0.45% of the dry soil weight and eggshell powder at 4%, 8%, and 12%. Soil samples were obtained from Mekarmukti Village, West Bandung Regency, then cured for 0–28 days and tested through water content, specific gravity, standard compaction, unconfined compressive strength (UCS), and California Bearing Ratio (CBR) tests. The results showed that the mixture reduced water content, increased density, and improved soil strength. The optimum composition was achieved with soil + 0.45% EPS + 8% eggshell powder, where the unconfined compressive strength increased from 1.631 kg/cm² to 2.662 kg/cm², the unsoaked CBR increased from 2.201% to 4.659%, and the soaked CBR reached 1.458%. The mixture produced lighter, more stable, and easily compacted soil, and is recommended as an environmentally friendly stabilization material for lightweight embankments, bridge approaches, and construction on soft ground.
Co-Authors Setya, Tiane Syahril Syahril