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All Journal Bumi Lestari Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Journal of Degraded and Mining Lands Management Rekayasa Sipil Jurnal Teknik Journal of Geoscience, Engineering, Environment, and Technology RACIC : Rab Construction Research Jurnal Rekayasa Sipil Seminar Nasional Lahan Suboptimal JURNAL SAINTIS APTEK Journal of Infrastructure and Civil Engineering SAINSTEK Jurnal Teknologi & Rekayasa Sipil SLUMP TeS : Jurnal Teknik Sipil Journal of Infrastructure and Construction Technology
Muhamad Yusa
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Riau, Pekanbaru, Provinsi Riau, Indonesia
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Physics Transportation Other

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Journal : Journal of Infrastructure and Construction Technology

 1 
Analisis Potensi Likuifaksi Berdasarkan Data SPT Di Kulon Progo Yogyakarta Nova, Septi Devita; Fatnanta, Ferry; Yusa, Muhamad
Journal of Infrastructure and Construction Technology Vol. 1 No. 2 (2023): July 2023
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jictech.1.2.52-66

Abstract

Liquefaction is a process of changing soil properties when the solid state becomes liquid caused by cyclic loads as a result of an earthquake so that the pore water pressure increases, approaching and even exceeding the magnitude of the total pressure. Liquefaction occurs due to earthquakes that occur in the area. Tectonic earthquake is one type of earthquake that can trigger liquefaction. The purpose of this study was to examine the potential for liquefaction in Kulon Progo Yogyakarta as the location of the New Yogyakarta International Airport, analyze the safety score (FS), and the value of the liquefaction potential index (LPI). The method used is the Idriss – Boulanger (2014) method using SPT data which is tested at three test points, namely BH-01, BH-03, and BH-06. For this study earthquake data were obtained from the USGS site and the 2017 Earthquake Hazard Map with variations in the earthquake magnitude used were 5.00; 6.30; and 8.10 and ground acceleration data using a probability of 7% in 75 years with a return period of 1000 years. Soil classification based on USCS shows that the soil at the study site is poorly graded sand which contains little fine grain. The results of the study indicate that the research location is prone to liquefaction. Liquefaction occurs at each test point at depth of 4.00 m and 6,00 m, especially at Mw 8.1 and amax 0,48 g with variation where soil resistance is low. Then, based on the classification of the liquefaction potential index numbers which are in the low to high range and the estimated decrease that occurs is up to 23,6 cm.
Evaluation of Particle Grain Size of Sand Embankment for Liquefaction Above Peat Against Vibration Agus Nugroho, Soewignjo; Yusa, Muhamad; Putra, Agus Ika; Satibi, Syawal; Fatnanta, Ferry; Wibisono, Gunawan; Rinaldi, Rinaldi; Hasibuan, Putra S
Journal of Infrastructure and Construction Technology Vol. 3 No. 1 (2025): January 2025
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jictech.3.1.1-8

Abstract

Liquefaction is the transformation of soil into a liquid. The vibrating table in this study moves in a horizontal direction and the opposite manner in a vertical direction utilizing modelling. Acceleration variations of 0.25 g and 0.32 g were employed. The dirt was 10 centimetres thick. The sand clusters were 15 cm thick, with differences in debris gradient size and water surface on the sample. The uniform load that was employed was 40 kg/m2. Examine the drop of the ground surface and the rising of the porous water for signs of liquefaction. A 0.5mm diameter glass pipe was used to measure the porous water pressure. The test findings revealed that with higher acceleration, effective vertical voltage, and porous water ratio values, the rate of particle graduation has a major influence on the occurrence of liquefaction potential. The test results revealed that poorly graduated fine sand experienced maximum effective vertical stress and elevated porous water ratio values (Ru), whereas well-graded sand tended to be more stable.
Co-Authors Abdul Halim Muqorrobin Abdullah Ihsan Alkubuwi Agisman, Fandy Agus Ika Putra Agus Nugroho, Soewignjo Ahmad Muhammad Akbar, Bagus Muhammad Alex Kurniawandy Ananda, Rizki Fajri Andy Hendri, MT, Andy Anggara, Vebrian Annisa Soraya Hasibuan Ari Sandhyavitri Arifan Farhan Ary Iqbal Azizah . Bambang Sujatmoko Daly Riandi Daniel Irfan Dian Paramita Eka Saputra Eko Soebowo Elianora - Endala Siboro Esther RA Fadli Dirga Subardi Ferry Fatnanta Fitri Herawati Frans Rezal Frimadofi Frimadofi Genta Putra Adietama Gina Khusnul Khotimah Gunawan Wibisono Gunawan Wibisono Gustika, Rani Ardeylina Hanif, Ardian Hasibuan, Putra S Himmatul Azizah Indradi Wijatmiko Jannika Suhelmi Jufri, Afdirman Kusairi, Muhammad Leo Sentosa Lisa Trisnawati Lita Darmayanti Muhamad Azizi Muhammad Naufal Muhammad Riyan Sabri Muhammad Shalahuddin Muhammad Shalahuddin MUHAMMAD TAUFIK Muhammad Taufik Muhardi Muhardi Muhardi Muhardi Nova, Septi Devita Nurul Qomar Oki Chandra Ongko, Andarsin Panji Tegar Aji Pratama, Deni Rafika Rani Zainuddin Rahmatul Irfan Rakhmat Minanggi Purba, Rakhmat Minanggi Ridho Ilahi Rinaldi Rinaldi Ronny Tigor Sitanggang Ropiska Alfareza Satibi, Syawal Sihaloho, Dodi Seprades Simanjuntak, Lambok Jadiaman Soewignjo Agus Nugroho Sutikno, Sigit Vebrian Anggara Wahyu Frisnel Yoyon Kurniawan