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Journal : Journal of Innovation and Technology

Study of Deformation Behavior of Retaining Walls at Sepakat Ii Parallel Road Project in Pontianak City Siregar, Novita Januarti Siregar; Eka, Priadi; Aprianto, Aprianto; Rustamaji, R M; Bachtiar, Vivi
Jurnal Inovasi Teknologi Vol 4 No 2 (2023): October
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

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Abstract

The development of urban planning and infrastructure such as roads, buildings, bridges, ports has increased in recent years in Pontianak City. One of them is the construction of Jalan Parallel Sepakat II which was carried out in early 2022, connecting Jalan Sepakat II to the Tanjungpura University Campus Complex. In the case in the field, the previously compacted embankment has decreased, so backfilling is carried out to adjust the planned elevation. Due to the unsafe existing condition factor, improvements were made that were supported by retaining wall modeling. In addition to the retaining wall modeling, the current planning in the field is also stabilized by using a pile and geotextile, in order to increase the bearing capacity of the soil and can minimize the decrease or deformation that occurs at the research location. In the process of analyzing the retaining wall, analysis is also carried out with the Plaxis Proffesional 8.6 program. The results obtained in the form of deformation numbers and safety factor results. From the conclusion, the factor of safety is obtained which is not safe so that it is feasible to be reinforced. However, some adjustments are needed to the design plan so that it can function properly in accordance with the intent and purpose of the reinforcement.
The Effect of Matos Soil Stabilizer on Mechanical Properties of Soil Stabilized with Cement Ardhana, Praditya; Aprianto; Bachtiar, Vivi; Rustamaji, R M; Priadi, Eka
Jurnal Inovasi Teknologi Vol 5 No 2 (2024): October
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

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Abstract

In pavement construction, it consists of subgrade, foundation layer and overburden. In working on landfill, the quality of the landfill can be improved by stabilization. Stabilization is a way to improve the properties and parameters of the soil, so that the soil is suitable or qualified to be used according to its function. One of the ways to stabilize soil is by chemical stabilization. In this research using additives such as fly ash & matos soil stabilizer. The soil samples were taken from Peniraman Quarry, Mempawah Regency. Also, the fly ash used comes from the waste of Paiton power plant, Probolinggo Regency. The tests carried out were testing the physical properties of the soil. The results obtained were then adjusted to the lower foundation layer of the road with specifications based on the 2018 General Specifications, Road and Bridge Construction Work (Revision 2). The test was carried out with a mixture of 10% fly ash and variations of matos soil stabilizer 2 - 8%, stabilization was carried out with a curing period of 0 - 14 days. From the results of the soil test, the plasticity index was found to be 14.252%. From the test results of the highest mixture variation, which is a mixture of soil + 10% fly ash + 8% matos soil stabilizer with a curing period of 14 days. The test results obtained a plasticity index of 7.295%, so it can be concluded that the higher the percentage of matos soil stabilizer used, the plasticity index value of the soil decreases and has met the requirements in the construction of the lower foundation layer of the road (B class).
Utilization of Spent Bleaching Earth Waste in Soil-Lime Stabilization for Road Body Foundation Layers Based on Index Properties Syarif Razhik Ghazali; Aprianto; Rustamaji, R M
Jurnal Inovasi Teknologi Vol 5 No 2 (2024): October
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

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Abstract

Spent Bleaching Earth (SBE) is a mixed material between bleaching earth and organic compounds derived from bleached crude oil. In addition, spent bleaching earth still contains a component of phosphoric acid. This phosphoric acid comes from the degumming process which is brought to the bleaching process by oil. According to Government Regulation Number 22/21 concerning Implementation of Environmental Management and Protection, this spent bleaching earth is classified as non-B3 waste depth. Chemical stabilization is by mixing chemicals into the soil material which causes a chemical reaction to occur between the mixing material and the soil which will produce new materials that have better quality. From the results of the physical properties experiment, it was found that the mixture with the optimum value for soil-lime stabilization was 10% SBE.
Co-Authors Aan Hendry Abimelekh Aditya Tri Wardana Advenska Afrida, Anggrelia Aghna Mafruha Zahrah, Aghna Mafruha Agung Rahmadanu Ahmad Faisal Aisyah Aisyah Alam, Hafidz Al Alfan, Alfan Anggorowati, M.Sc, Ir. Dini Anrizal, Anrizal Ardhana, Praditya Aryanti Baehaqi Bagus Pratama Baharuddin, Ifdal Berliani, Teti Chairil, Muhammad Dell, Natan Dewi, Novi Ayu Kristiana Dita Pratiwi Kusuma Wardani Dwi Septiani Eduard Asna Padagi, Eduard Asna Eka Priadi Eka, Priadi Ernawatie, Ernawatie Esdarwati, Susila Eshariyani, Eshariyani Fazril Aditya Wardana Febrianti, Mariska Ferdi Prima Nurhasan Firayanti, Yuni Ghazi Mauer Idroes Grossbia, Danny Harlen Sutandra, Harlen Helmi ., Helmi Hendrawan Hetty Nursawemi, Hetty Hikmah Hikmah Hud, Ibnu muhammad yusuf I Ketut Suada Ibnuwati, Sri Indra Kanedi Irvanizam, Irvanizam Istiqomah Nur Rahmawati Jamaluddin Jamaluddin Karolina, Puspa Erika Kelvin Kiki Rezvianti Ladewi , Yuhanis Ladewi, Yuhanis Lala, Andi Lapasau, Ronald Lilik Warsito Limin, Dagai L Lutfi Chabib, Lutfi M. Ervan Dwi Setiaji M. Imamuddin M. Rezky Septiyadi M. Septianto Magati, Hefinto Mahrani Arfah Maithy, Sifera Patricia Marhamah Marhamah Marsudi . Marwan Marwan Maryono Maulana, Aga Muhammad Ikhwan Rizki Muhammad Yusuf Musram Abadi Nasution, Awal Kurnia Putra Nizamuddin Nizamuddin Novita Sari, Muthiah Nusril Nusril Perdana, Aryadika Putra Piter Joko Nugroho Prahasti, Prahasti Purnomo, Widiharto putri, nilam sry Qisti Algifari Qo’imah, Alamanda Nurul R M Rustamaji Radiafilsan, Christian Rahaju, Minto Rahim, Abd Rahmadona, Cahaya Raldo Andika Mandasia Ramadhan Putra Pratama Rata, Fildayanti Razief Perucha Fauzie Afidh Rifaldi, Muhammad Arif Riski, Moh Rohit Rustamaji, R.M. Sami’an, S. Sarah, Muthia Sari, Yona Sarwono Hardjomuljadi Satrio, Yoga Sedek, Melky Shofia Nurun Alanur S Simamora, Roberton Siregar, Novita Januarti Siregar Siregar, Yustika Handayani Siti Haryani Slamet Winaryo Sriyoto Sriyoto, Sriyoto Sudarkam R Mertosono Sudarsono, Tantri Analisawati Sukmawati Sukmawati Sumarnie, Sumarnie Sunardi Suri, Atika Surya Kusuma Wardana Susana M.Sc, Ir. Rini Syarif Razhik Ghazali TAKDIR SAILI Tarsono, Edi Teuku Rizky Noviandy Tiara Fatrin Tongenge, Miranda Utami?, Bernadhita Herindri Samodera Vivi Bachtiar Wahyu Adi Tama A Wahyudin Wahyudin Wingki Sapta Dewa Wirda Novarika AK Yuningtyastuti Yuningtyastuti Zulkipli ., Zulkipli