Pengaruh Stabilisasi Tanah Lempung Ekspansif Menggunakan Kapur, Fly Ash dan Bottom Ash Terhadap Kapasitas Dukung Tanah

نویسندگان

چکیده

Tanah lempung ekspansif di Desa Oebelo merupakan tanah dengan potensi kembang susut yang besar dan sering menyebabkan kerusakan struktur. Penelitian ini dilakukan sebagai upaya perbaikan melalui stabilisasi secara kimiawi menggunakan kapur, fly ash bottom ash. Tujuannya adalah untuk mengetahui pengaruh tersebut terhadap sifat fisik mekanis tanah, serta kapasitas dukung maksimum dihasilkan nilai California Bearing Ratio (CBR).
 Metode penelitian digunakan metode eksperimental. asli (TA) dicampurkan 5% 20% variasi 10% (V1), 15% (V2), (V3), 25% (V4) 30% (V5) dari berat kering tanah. Selanjutnya uji CBR terendam tak terendam, perlakuan tanpa pemeraman 7 hari pemeraman.
 Hasil pengujian menunjukkan tergolong dalam kelompok A-7-6 (AASHTO) CH (USCS). Seiring penambahan stabilisator jenis, batas cair, plastis, indeks plastisitas, persentase berbutir halus, kadar air optimum pengembangan mengalami penurunan, sedangkan susut, volume peningkatan. Nilai meningkat 3,33 kali campuran Kelima ada memenuhi syarat kondisi (>3%), hanya V1 tidak (>6%). Kapasitas sampel sebesar 16,66%.

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ژورنال

عنوان ژورنال: Jurnal Forum Teknik Sipil

سال: 2022

ISSN: ['2776-8155', '2776-6012']

DOI: https://doi.org/10.35508/forteks.v2i2.7767