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All Journal Civil Engineering Forum Teknik Sipil Inersia : Jurnal Teknik Sipil dan Arsitektur MEDIA KOMUNIKASI TEKNIK SIPIL REKA RACANA Jurnal Teknik Sipil IJOG : Indonesian Journal on Geoscience Jurnal Ketahanan Nasional Journal of Degraded and Mining Lands Management Journal of the Civil Engineering Forum Civil Engineering Dimension Rang Teknik Journal JUTEKS - Jurnal Teknik Sipil Jurnal Rekayasa Sipil Borneo Engineering: Jurnal Teknik Sipil Jurnal Tekno Global Journal of Applied Geology Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Journal of the Civil Engineering Forum Jurnal Teknik Sipil Institut Teknologi Padang Contemporary Education and Community Engagement
Teuku Faisal Fathani
Department Of Civil And Environmental Engineering, Univsersitas Gadjah Mada, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Transportation Other

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Performance of Slab-on-Pile and Embankment Foundations in Soft Clay under Subsidence Conditions: A Case Study from Northern Java Setiawan, Yoga; Fathani, Teuku Faisal
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 14 No. 1 (2025): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v14i1.463

Abstract

The northern coast of Java is a critical economic corridor in Indonesia but faces severe geotechnical and environmental challenges, including erosion, flooding, and land subsidence. In the Semarang–Demak Plain, land subsidence is a major concern due to thick, compressible clay deposits and shallow groundwater, which pose significant risks to infrastructure stability. The Semarang–Demak Toll Road, connecting Semarang City and Demak Regency, was constructed using two foundation systems: slab-on-pile and embankment with prefabricated vertical drains (PVD). At the interchange between Pantura Road and the toll road, a slab-on-pile foundation was selected to address high settlement risks. This study evaluates and compares the performance of both foundation types using one-dimensional analysis and two-dimensional finite element analysis (FEA). The results show that the slab-on-pile system experienced settlements of 0.519 m (one-dimensional analysis) and 0.775 m (FEA), while the embankment with PVD resulted in significantly higher settlements of 2.533 m (one-dimensional analysis) and 1.038 m (FEA). The slab-on-pile foundation also achieved a shorter consolidation period and a higher safety factor. These findings confirm the effectiveness of the slab-on-pile system in minimising settlement and improving long-term performance under challenging soil conditions. The study underscores the importance of selecting appropriate foundation strategies in subsidence-prone coastal areas and provides practical insights for infrastructure planning and geotechnical design in similar environments.
Earthquake Hazard Preparedness in Special Education: Case Studies of Special Needs Schools in Bantul, Indonesia Hadyyuwono, Lathief Viana Saryhaque; Fathani, Teuku Faisal; Ruslanjari , Dina
Contemporary Education and Community Engagement (CECE) Vol. 2 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/cece.v2i2.1470

Abstract

Special needs school (Sekolah Luar Biasa or SLB) has a higher level of vulnerability compared to a regular school, due to the condition of their students, who are children with special needs. This study analyzes the physical condition and disaster management efforts of SLB Dharma Bhakti Piyungan and SLB Negeri 1 Bantul, Indonesia. Besides, this study also analyzes education, prevention, and disaster risk reduction efforts at those special schools. The mixed methods used in this study are the quantitative and qualitative approaches. Quantitative primary data related to the physical condition of school buildings was obtained from field survey results. In contrast, primary data on disaster management and education, prevention, and disaster risk reduction efforts were obtained from in-depth interviews with triangulation of sources. The data analysis technique used for quantitative data is analysis using rapid visual screening sheets (RVS), FEMA P-154 Level 1 SLB Building. The vulnerability value of buildings in SLB Dharma Bhakti Piyungan was calculated to be 42.85%, falling into the medium-high category and having a high likelihood of suffering earthquake-related damage. In contrast, the vulnerability value of buildings in SLB Negeri 1 Bantul was calculated to be 30.27%, falling into the moderate category and having a low likelihood of suffering earthquake-related damage. Then, SLB Dharma Bhakti Piyungan meets 6 of the 21 indicators for achieving the disaster management pillars, whereas SLB Negeri 1 Bantul meets 16. SLB Dharma Bhakti Piyungan meets four indicators in the disaster risk reduction and prevention education pillar, while SLB Negeri 1 Bantul meets 22.
Analisis Tingkat Potensi Likuifaksi Di Kawasan Underpass Yogyakarta International Airport Rahman, Muhamad Agung; Fathani, Teuku Faisal; Rifa'i, Ahmad; Hidayat, Mochammad Syidik
Jurnal Rekayasa Sipil (JRS-Unand) Vol. 16 No. 2 (2020)
Publisher : Civil Engineering Departement, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrs.16.2.91-104.2020

Abstract

Fenomena likuifaksi akibat gempa merupakan berkurangnya daya dukung tanah karena hilangnya inter-granular stress antar butir-butir tanah untuk menahan beban getaran gempa akibat naiknya tegangan air pori. Dampak likuifaksi dapat menimbulkan kerugian dan kerusakan yang besar pada infrastruktur. Analisis potensi likuifaksi dilakukan di kawasan Underpass Yogyakarta International Airport (YIA) yang termasuk kedalam  formasi endapan alluvial dengan menggunakan data N-SPT pada lima data bor. Analisis potensi likuifaksi bertujuan untuk mengetahui nilai safety factor (SF) yaitu perbandingan nilai Cyclic Resistance Ratio (CRR) yang merupakan tahanan tanah terhadap likuifaksi dan Cyclic Stress Ratio (CSR)  yang merupakan tegangan geser yang timbul akibat gempa di kawasan tersebut. Peristiwa likuifaksi akan terjadi jika nilai SF kurang dari satu. Analisis tingkat potensi likuifaksi menggunakan metode Liquefaction Potential Index (LPI). Hasil analisis potensi likuifaksi di kawasan Underpass YIA menunjukan bahwa lapisan tanah pasir berpotensi mengalami likuifaksi pada kedalaman 1 m hingga 6 m dari permukaan tanah pada sisi timur (titik bor BH01, BH02) dan mulut underpass sisi barat (BH05). Pada sisi barat (titik bor BH03 dan BH04), lapisan tanah pasir di lokasi Underpass YIA tidak berpotensi likuifaksi. Berdasarkan analisis LPI menunjukkan seluruh kawasan Underpass YIA rentan terhadap ancaman likuifaksi (LPI > 5) jika terjadi gempa bumi dengan nilai percepatan muka tanah maksimum (amax) lebih dari 0,44g.
Co-Authors Agus Darmawan Adi Agus Darmawan Adi Ahmad Rifa’I Amalina, Anisa Nur Anh Bui, Tuan Arifin, Muhammad Luqman Nur Rouf Budi Nugroho, Arief Setiawan Danang Kurniawan, Danang Doni Prakasa Eka Putra Dwikorita Karnawati Erzagian, Egy Farma Dyva Ferardi Ferardi, Farma Dyva Fikri Faris, Fikri Galeh Nur Indriatno Putra Pratama Galuh Chrismaningwang Hadyyuwono, Lathief Viana Saryhaque Hary Christady H. Hary Christady Hardiyatmo, Hary Christady Henricus Priyosulistyo, Henricus Hidayat, Mochammad Syidik Himawan Wibisono Ign. Sudarno Kiyono, Junji Kuswari, Sari Kyaw, Zaw Lin Lindung Zalbuin Mase, Lindung Zalbuin Luthfi Effendi Maris Setyo Nugroho Minmahddun, Anafi Mochammad Syidik Hidayat Muflih, Ghufron Zaida Muhamad Agung Rahman Muhammad Farid Nicholas Hartono Octaviarini, Ika Sakti Pratama, Gumbert Maylda Prianugroho, Naseem Agung Rahman, Muhamad Agung Ranto Parlindungan R. Rifa'i, Ahmad Ruslanjari , Dina Salaamah, Ainul Fatayaatis Salahuddin Husein Slamet Widodo Subagyo Pramumijoyo, Subagyo Teuku Mukhlis umi barokah Veithzal Rivai Zainal Wahyu Wilopo Wisnu Rachmad Prihadi Yoga Setiawan, Yoga Yogha Caniggia Yudhistira, Angga Trisna Zuhdi, Rasyid