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All Journal Journal on Education Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil Jurnal Teknik Industri Terintegrasi (JUTIN) ABDI MASSA: Jurnal Pengabdian Nasional Society : Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Taguchi : Jurnal Ilmiah Teknik dan Manajemen Industri Journal of Innovative and Creativity
Laily Endah Fatmawati
Universitas 17 Agustus 1945 Surabaya
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Other

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Analisis Pengaruh Stabilisasi Tanah Lempung Lunak Menggunakan Bakteri Bacillus Subtilis dan Kapur Terhadap Nilai Parameter Fisis Tanah dan Kepadatan Tanah Satria Jiro Jovian; Laily Endah Fatmawati
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58691

Abstract

The development of infrastructure in Sidoarjo requires stable soil conditions, especially in areas dominated by soft clay soils. This study aims to determine the effect of soil stabilization using Bacillus subtilis bacteria and lime on the physical and compaction properties of soil. Laboratory tests were conducted on original soil and stabilized soil using 3% Bacillus subtilis bacteria with lime variations of 10% and 15% during a 3-day curing period. The results showed that the addition of Bacillus subtilis and lime reduced water content and optimum moisture content (OMC), while increasing the maximum dry density (MDD). The optimum mixture was obtained from 3% Bacillus subtilis and 15% lime, with an MDD value of 1.977 gr/cm³ and OMC of 19%. These results indicate that Bacillus subtilis and lime can improve soil density and stability. Therefore, this stabilization method has the potential to be applied as an alternative ground improvement technique for soft clay soils.
Co-Authors Alfatoni Alfatoni Alfrido Josy Arvito Lende Ambar Andayani Andi Hendrawan Andi Patriadi D. Jupriono Dery Dwi Fitriansyah Divia Rahma Putri Gede Sarya Hartatik, Nurani Herry Widhiarto Matnor Aripindi Mohammad Rafii Tiara Manggala Muhammad Islam Darmawan B Muhammad Izul Romadhoni Nuril Fikri Saiful Anam Laily Satria Jiro Jovian Siska Yovina Ervitasari Siti Sekar Gondoarum Syaiful Fajar Yudi D. Prasetyo