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All Journal Jurnal Teknik Sipil Info-Teknik JTT (Jurnal Teknologi Terpadu) Jurnal Penelitian Pendidikan IPA (JPPIPA) Syntax Literate: Jurnal Ilmiah Indonesia Media Ilmiah Teknik Sipil Borneo Engineering : Jurnal Teknik Sipil Jurnal GeoEkonomi Jurnal Manajemen Teknologi dan Teknik Sipil (JURMATEKS) Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) Jurnal Ilmiah Teknik Sipil Transukma Journal of Civil Engineering and Vocational Education
Andi Marini Indriani, Andi Marini
Universitas Balikpapan
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : Media Ilmiah Teknik Sipil

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Pengaruh Kultur Bakteri Pada Proses Biosementasi Tanah Laterit Terhadap Nilai CBR: The Influence Of Bacterial Culture On The Soil Laterite Biosementation Process On CBR Value Andi Marini Indriani; Gunaedy Utomo; Nurul Fitriyani
Media Ilmiah Teknik Sipil Vol. 11 No. 2 (2023): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v11i2.4590

Abstract

Lateritic soils have a high rate of weathering and non-uniform shrinkage. So this land is not good for construction work. Biocementation is a method of soil improvement by using the ability of bacteria that have lived in the soil to do the MCIP (Microbial-induced Calcite Precipitation) process which is obtained from the bacterium Bacillus Subtilis. This biocementation stabilization can increase the strength of the soil by adding Bacillus Subtilis bacteria as an additive to stabilize the soil. The test was carried out to determine changes in the mechanical properties of CBR Laboratory soil, by mixing 3% bacteria into the soil to be stabilized. The results of testing the CBR value of the Soaked Laboratory with one day of culture increased 4.8-fold at the 28-day curing period and increasing the CBR value of the Soaked Laboratory of three-day culture increased up to 4.9 times the CBR value before stabilization, which was 19.5%. The results of the study with stabilization using bacteria variation of 3% one-day culture increased up to 95% and increased up to 96% in three-day culture. So that it can be used as a soil material for road foundations in class B.
Co-Authors Agus Sugianto Agus Sugianto Agus Sugianto Al Hidayat, Fauzi Amanda Syasya Billah Amirudin Amirudin arlita, reggina gita Az'Zahrah, Yuninda Az’Zahrah, Yuninda Damayanti, Dinda Indah Faisal Faisal Fauzi, Muhammad Muis Gunaedy Utomo Gunaedy Utomo Gunaedy Utomo Harami, Fachruddin Hidayatullah, Muhammad Fitrah Hikmah Maya Sari Ikram, Muhammad Fadhli Dzil Irna Hendriyani Ismail Husein Khoiriyah, Dewi Isroul Kusuma, Santos Surya M. Nur Fadhillah Maslina Maslina, Maslina Muhammad Rizqy Natalia Natalia Natasya, Priskha Tri Nur Intan Putri Nurul Fitriyani Ochtharima, Zaerima Zahira Ramadhan, Atma Haical Reno Pratiwi Safitri, Reza Ayu Sani, Abdu Suheriah Mulia Devi Syahputra, M Ryan Tesiana, Selina Topik Wahyu Widianto Utomo , Gunaedy Utomo, Gunaedy Utomo, Gunaedy Utomo Vetryx, Vanessa Regina Yacub, Muh Alpian Zahwa Azizulita Aroha