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Journal : Jurnal Teknologi

Utilization of Sengon Wood Ash for Soil Stabilization and Its Impact on Unsoaked CBR Value Fathonah, Woelandari; Mina, Enden; Kusuma, Rama Indera; Ramdani, Fahreza
Jurnal Teknologi Vol 16, No 1 (2024): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.16.1.117-126

Abstract

Soil is one of the critical factors influencing construction robustness. The land situated in Cibingbin Village, Cibaliung District, Pandeglang Regency, falls under the category of soil with low bearing capacity. Therefore, the soil in this area requires stabilization to enhance its load-bearing capacity. The field's CBR value, determined through DCP testing, was found to be 2.67%. The target CBR value for subgrade suitability is 6%, indicating the necessity for soil stabilization at this location. This study aims to assess the physical characteristics of the native soil and its CBR value after stabilization using sengon wood ash. Various percentages of sengon wood ash, namely 4%, 6%, 8%, 10%, and 12%, were utilized with curing periods of 0 and 3 days. Soil classification was performed using the USCS method, and the CBR test conducted was the unsoaked CBR test. The results revealed that the addition of 4% sengon wood ash, with a 3-day curing period, yielded an optimum CBR value of 7%. Sengon wood waste ash proved effective in increasing the CBR value. Furthermore, the use of sengon wood ash did not significantly reduce the plasticity index (PI) value. After stabilization with sengon wood ash, the PI value remained at 35.685%, categorizing it as highly plastic. Additional research is recommended to address the limitations of sengon wood ash and achieve a significant reduction in the PI value to meet the subgrade criteria
Co-Authors Abdurohim Abdurohim Abdurohim Abdurrohim Abdurrohim Achmad Fauzi Irhamna Agustia Tridasa Agustia Tridasa Ningsih Akbar Prasetio Utomo Amalia, Risty Andi Maddeppungeng Anisa Fitri Ramadhani Aprilia Maharani Arief Budiman Arief Budiman Bambang Adhi Priyambodho Bambang Adhi Priyambodho Cahyani, Fadhila Putri Citra Diah Kartika Dicky Damari Dwi Esti Intari Dwi Esti Intari Dwi Novi Setiawati Dwi Yanul Ihsan Ero Prahara Mahardika Eryani Siti Maryam Fathonah, Woelandari Fricha Desy Candra Sari Gilbran Althaf, Machammad Wally Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Heri Mulyono Herlambang Wibowo Ina Asha Nurjanah Indera Kusuma, Rama Iqbal, Farhan Pauzul Ivani Purnama Dewi Jamatul Ridwan Jenfatika Chandra Kiki Ariandhika Muzaky Kulsum Kulsum Kuncoro, Hendrian Budi Bagus Lambok Rumiris Gultom Mohamad Ainal Yaqien Muhamad Rafly Aditya Muhammad Parma Lovan Tora Muhammad Sulaiman Nabila Lita Aulia Nada Shafa Soraya Gandakusumah Naufal Abdurrasyid Ngakan Putu Purnaditya Nuri Kurniawan Nyi Raden Ruyani Pasadena Rosa Hasibuan Putu Purnaditya, Ngakan Rahmania, Bunga Raihan Afif Sukmana Rama Indera Kusuma Ramdani, Fahreza Restu Wigati Restu Wigati Restu Wigati, Restu Rifky Ujianto Rifky Ujianto Rizqi Cahyo Nugroho Rochmadi Eko Susilo Rufky Ujianto Salsabilla Meidy Arini Putri Shandi Irfani Sasmita Soedarsono Soedarsono Soelarso Soelarso Sudirman Sudirman Sunan Dwimanda Susanti, Shofarina Ika Juniar Susilawati Weby Rizka Amala Yuda Inayatullah Yuli Fajarwati Yulistian Zahirah Ismi Sausan Zera Ilham Yasin Zulmahdi Darwis