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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur IJOG : Indonesian Journal on Geoscience GRADIEN Jurnal Fisika Unand Jurnal Fisika FLUX Jurnal Geocelebes Wikrama Parahita : Jurnal Pengabdian Masyarakat Jurnal Penelitian Pendidikan IPA (JPPIPA) Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Spektra: Jurnal Fisika dan Aplikasinya Jurnal Meteorologi Klimatologi dan Geofisika Jurnal Ilmu Fisika Jurnal Pendidikan Fisika dan Teknologi Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Indonesian Physical Review Journal Innovation of Civil Engineering (JICE) Journal of Technomaterial Physics Aceh International Journal of Science and Technology Jurnal Geosaintek
Refrizon Refrizon
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Journal : Inersia : Jurnal Teknik Sipil dan Arsitektur

 1 
Spatial Distribution Analysis of Geotechnical Properties (Elastic Modulus, Cohesion, and Internal Friction Angle) in Soil Layers of Bengkulu City Hanipa, Rerisa Al; Kamal, Thomas Mustafa; Fikri, Muhammad Haikal; Mase, Lindung Zalbuin; Misliniyati, Rena; Supriani, Fepy; Refrizon, Refrizon
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 21 No. 1 (2025): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v21i1.78611

Abstract

This study investigates the spatial distribution of key geotechnical parameters—namely modulus of elasticity, cohesion, and internal friction angle—in the dominant soil types of Bengkulu City, Indonesia. Given the region’s complex geological structure and vulnerability to seismic activity, accurate assessment of soil characteristics is essential to support infrastructure development and mitigate geotechnical risks. Bengkulu lies between two active tectonic faults, making soil behavior analysis a crucial component of earthquake-resistant design. A total of 215 geotechnical data points were compiled from previous field investigations, covering a wide range of lithologies, including sandy soils, clay deposits, and various rock layers. The geotechnical parameters were spatially interpolated using the Inverse Distance Weighting (IDW) method to generate distribution maps that visualize the variation across different soil layers. This method was selected for its simplicity, effectiveness, and ability to provide weighted estimates based on spatial proximity. The analysis reveals that soils in the southern coastal region generally exhibit lower values of modulus of elasticity and cohesion, indicating a higher potential for deformation and shear failure. In contrast, central and northern areas tend to show higher geotechnical strength parameters, suggesting relatively stable ground conditions. The internal friction angle also increases with depth and material density, with hard rock zones showing the highest values. These findings contribute to the understanding of soil behavior in Bengkulu City and offer valuable insights for geotechnical engineers, urban planners, and disaster mitigation authorities. The spatial analysis of soil strength parameters provides a foundation for more resilient infrastructure planning and can be used as a reference for similar studies in other high-risk seismic regions.
Co-Authors Abimayu, Dadin Mars Agung Satria, Lori Agustina, Tari Al Ansory, Andre Rahmat Al Rafly, Tegar Al-Ansory, Andre Rahmat Amalia, Isra Anggria, Della Cici Ansory, Andre Rahmat Al Apriana, Agnes Apriana, Yelda Apriyanti, Nurul Arif Ismul Hadi Arif Ismul Hadi Arsi, Sefti Dini Arya J Akbar Arya Putra Anggi Awaliyah, Isfardian Agustin Azzahra, Gusti Ayu Zahwa Bernard, Admo Daniel, Adrian Darmawan Ikhlas Fadli Fachri Faisal Fadli, Darmawan Ikhlas Falenia, Felly Farid*, Muchammad Farid, Muchammad Fauzi, M. Wilzam Febriansyah, Gian Ori Fikri, Muhammad Haikal Gayatriani, Intan Gumanty, Usman Halauddin Halauddin Halauddin Hanifah Maulani, Siti Hanipa, Rerisa Al Hardiansyah Hardiansyah Hardiansyah, Debi Harlianto, Budi Helinnes, Putri Henny Johan Herno Yudiansyah Hutasoit, Tegar Ashary Idris, Beni Syakban Ikhlas Fadli, Darmawan Irkhos Irkhos Isfardian Agustin Awaliyah Jaya, Shara Ashari Prana Jaya Kamal, Thomas Mustafa Kamila, Nur Husniatin Kausari, Alfata Khairul Amri Kusuma, Budi Praba Larang, Miranda Puspa Lindung Zalbuin Mase, Lindung Zalbuin M Farid Maesaroh, Rina Maesaroh Maghribi, Faritz Bagda Manurung, Yeni Sartika Misliniyati, Rena Muammar, Zaky Muhammad Dani Muhammad Farid Naldo, Asrol Nanang Sugianto Natasya, Indah Dwi Nazli, Khairun Novtrisa, Indri Nurhayati, Ratna Dewi Putri, Aisyah Cindy Phylia Putri, Elona Gita Gatra Putri, Melly Zuhadjar Putriani, Eli Rabbani, M Rifqi Rafly, Tegar Al Rahmat Al-Ansory, Andre Rahmat, Andre Rahmawati, Nurul 'Ilmi Rahmawati, Nurul Ilmi Raihana, Hana Rida Samdara Sahputra, Rio Sapanur, Destika Meisy Saputri, Winda Saragih, Ronni Samuel Sholeha, Della Zakia Suaidi Ahadi Suhendra Suhendra Sumajaya, Erlan Sumanjaya, Erlan - Supriani, Fepy Suwarsono Suwarsono Syah, M. Taufiqqurahman Syaputra, Edo Win Sya’adah, Isni Taufiqurrahman Syah, Muhammad Tri Utami, Olga Triutami, Olga Verentina, Sendiya Yuni Setyowati Zakariya, Hilmi