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Analysis of Liquefaction Potential Based on Standard Penetration Test (SPT) Data (Case Study: Transit Oriented Development Project in East Jakarta) Enden Mina; Rama Indera Kusuma; Woelandari Fathonah; Ina Asha Nurjanah; Prastika Wahid Santoso; Bayu Darmawan
Jurnal Fondasi Vol 15, No 1 (2026)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v15i1.39878

Abstract

Liquefaction is a phenomenon in which solid soil becomes liquid, affecting soil stability due to an increase in pore water pressure. Liquefaction can cause damage to building structures and infrastructure, potentially resulting in significant losses. An analysis of liquefaction potential is required and is conducted using field Standard Penetration Test data. The method used is based on the approach developed by Seed and Idriss using SPT data. This study aims to determine the Safety Factor (FS) against liquefaction by comparing the Cyclic Stress Ratio (CSR) and the Cyclic Resistance Ratio (CRR). Soil layers are categorized as having liquefaction potential if the obtained FS value is less than one. The results show that the soil profile at the study location consists of medium to stiff clay and medium to dense sand, as indicated by relatively high average N-SPT values. The SPT calculations produce high CRR values, and the CSR values at the study location are also relatively high. This is caused by the earthquake acceleration value obtained from the DEEPSOIL software, which is 0.4 g. The safety factor values at the study location range from 0.4 to 0.8 at all SPT points, where FS values less than 1 indicate that the soil has the potential to undergo liquefaction.
Study of Granular Soil Behavior under Different Drainage Conditions Ina Asha Nurjanah; Rama Indera Kusuma; Enden Mina; Woelandari Fathonah; Prastika Wahid Santoso; Midia Rahma; Abdurohim Abdurohim
Jurnal Fondasi Vol 15, No 1 (2026)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v15i1.39876

Abstract

Granular soils, such as sand and gravel, exhibit distinct mechanical behavior depending on drainage conditions during loading. This study aims to evaluate the influence of drained and undrained conditions on shear strength, deformation characteristics, and pore water pressure response of granular soils through a comprehensive literature review. The research is grounded in classical soil mechanics theories and recent studies, without conducting laboratory testing, and instead focuses on a comparative analysis of previous findings.The results indicate that under drained conditions, granular soils generally exhibit higher shear strength due to the absence of excess pore water pressure, allowing effective stress to govern soil behavior. Dense granular soils tend to exhibit dilative behavior, which contributes to increased strength and stability. In contrast, under undrained conditions, the inability of pore water to dissipate leads to the generation of excess pore water pressure, reducing effective stress and shear strength. This condition is particularly critical in loose saturated sands, where contractive behavior may trigger instability or liquefaction.Furthermore, this study contributes by providing a conceptual synthesis that integrates effective stress, pore water pressure, and deformation behavior into a unified framework for understanding granular soil response under different drainage conditionsmore reliable and safer geotechnical engineering practices.
Co-Authors Abdurohim Abdurohim Abdurohim Abdurohim, Abdurohim Abdurohim, Abdurohim Abdurohim, Abdurohim Abdurrohim Abdurrohim Abdurrohim, Abdurrohim Adinda Tiaranni Haryono Aditya, Muhamad Rafly Aditya, Zulfan Agustia Tridasa Agustia Tridasa Ningsih Ahmad Vicky Maulana Amalia, Risty Anisa Fitri Ramadhani Aprilia Maharani Arief Budiman Arief Budiman Arief Budiman Arum, Amalia Syarifah Ashari, Salsabila Joesi Nur Asmara, Tabitha Puspaning Baehaki Baehaki Baehaki Baehaki Baehaki, Baehaki Bambang Adhi Priyambodho Bambang Adhi Priyambodho Bambang Adhi Priyambodho Bayu Darmawan Budiman, Arief Budiman, Arief Cahyani, Fadhila Putri Citra Diah Kartika Darwis, Zulmahdi Dicky Damari Dwi Esti Intari Dwi Esti Intari Dwi Novi Setiawati Dwi Yanul Ihsan Enden Mina Enden Mina Enden Mina, Enden Eryani Siti Maryam Farhan Pauzul Iqbal Farista Widya Kirana Fricha Desy Candra Sari Gilbran Althaf, Machammad Wally Gusfika Firanti Handayani, Putri Nurmala Haryadi Haryadi Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Hendrian Budi Bagus Kuncoro Heri Kusharyanto Heri Mulyono Herlambang Wibowo Ina Asha Nurjanah Ina Asha Nurjanah Indera Kusuma, Rama Intan Afiah Rakhmatika Jenfatika Chandra Kulsum Kulsum Kuncoro, Hendrian Budi Bagus Kusuma, Rama Indera M Dandyaz Abiyyu M M. Mufti Ghiffari Midia Rahma Mina, Enden Mina, Enden Mina, Enden Mina, Enden Mina, Enden Mitha Rahayu Ningrum Muhamad Rafly Aditya Muhammad Anggira Ferdiansyah Muhammad Parma Lovan Tora Muhammad Radityagifari Muhammad Sulaiman Muhammad Yusril Nasheh Nabila Lita Aulia Nada Shafa Soraya Gandakusumah Nadia Fadillah Naufal Abdurrasyid Negoro, Giant Muhammad Satrio Ngakan Putu Purnaditya Ngakan Putu Purnaditya Nopia Anggini Novarin Salim Nufus Sulthonah Nustin Merdiana Dewantari Nyi Raden Ruyani Pinem, Mekro Permana Prastika Wahid Santoso Priyambodho, Bambang Adhi Priyambodho, Bambang Adhi Purnaditya, Ngakan Putu Purnama, Dicki Dian Putu Purnaditya, Ngakan Qurrotul Milania Rafabi, Muhammad Iqbal Beckham Rahmania, Bunga Raihan Afif Sukmana Rama Indera Kusuma Ramadhan, Thanara Ramdani, Fahreza Reki Karunia Restu Wigati Restu Wigati Restu Wigati Restu Wigati, Restu Rifky Ujianto Rifky Ujianto Rindu Twidi Bethary, Rindu Twidi Rizka, Bella Rizqi Cahyo Nugroho Rufky Ujianto Salsabilla Meidy Arini Putri Setiawati, Dwi Novi Shandi Irfani Sasmita Shofarina Ika Juniar Susanti Siti Asyiah Soedarsono Soedarsono Soedarsono Soedarsono Soelarso Soelarso Susilawati Syahid, Mush'ab Abdu Asy Syarifudin Syarifudin Tarihoran, Rona Ulita Ujang Sumarwan Ujianto, Rifky Ujianto, Rifky Vindo, Alberto Dwi Wigati, Restu Wigati, Restu Yuda Inayatullah Yuli Fajarwati Yulistian Zalfa Miftaful Zera Ilham Yasin Zulfathir, Reza Zulmahdi Darwis Zulmahdi Darwis