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Journal : teknosia

ANALISIS GEOTEKNIK DAN DINAMIK STRUKTUR UNTUK PERKUATAN ABUTMEN JEMBATAN WAY PAGAR ALAM YANG LONGSOR Aminudin Syah; Fikri Alami; Ofik Taupik Purwadi; Endro Prasetyo Wahono
Teknosia Vol. 19 No. 02 (2025): Vol. 19 No. 02 (2025): December 2025
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/teknosia.v19i02.42772

Abstract

The Way Pagar Alam Bridge in Tanggamus Regency experienced failure at one of its widened abutments due to a combination of weak geotechnical conditions, rainfall infiltration, and riverbank erosion. This study aims to assess the structural and geotechnical conditions of the bridge and develop an effective reinforcement design. The methodology includes visual inspection, laboratory testing of soil, structural vibration monitoring, and slope stability analysis using limit equilibrium-based software. Vibration tests indicate that the bridge superstructure remains stiff, with vertical deflection well below the allowable limit. Subsurface investigations revealed the presence of expansive clay with low bearing capacity in shallow layers. Stability analysis shows that a combined reinforcement system—comprising a retaining wall, gabion protection, and mini piles—can enhance the slope safety factor to 1.99 (static) and 1.73 (dynamic), meeting applicable engineering standards. The proposed design is considered effective and applicable for bridge rehabilitation in tropical regions with soft subgrade conditions.
Co-Authors Abdul Fattah Maghribie Abdullah Aman Damai Abdullah Aman Damai Achmad Y T Panuju Achmad Yahya Teguh Panuju Adenan Yusuf Aditya, Robby Firza Agung Satria Kurniawan Agus Setiawan Agustina Iryani, Dewi Agustinus Purna Irawan Ahmad Herison Ahmad Zakaria Ahmad Zakaria ahmad zakaria Ahmad Zakaria Ahmad Zakaria Ahmad Zakaria Ahmad Zakaria Ahmad Zakaria Alami, Fikri Amanda, Tiara Maelta Amini, Rosidah Aminudin Syah Andandaningrum, Della Andika, Ivana Aprili Andius D. Putra Andius Dasa Putra Andius Dasa Putra Anggraini, Witta Putri anggraini, yeshe Angin, Geleng Perangin Anwar Arianti, Tanti Arief Andriansyah Ariska Warganegara Aristiani, Widya Asep Sukohar Ashruri Ashruri, Ashruri Aviati S., Yuniar Ayu Kurniasih Ayu Kurniasih, Ayu Bagus Sapto Mulyatno Bambang Supriono Bayu Anggileo Pramesona Bayu Anggileo Pramesona Budi Setiyawan Christine Wulandari Christine Wulandari Citra Dewi Decci Sandriyana Dedy Hermawan Dermiyati Dewi Agustina Iryani, Dewi Agustina Diah Indriana Kusumastuti dian pratiwi Dian Triyanto didit kuswadi kuswadi Diyan Ahmad Saputra Doni Widyasmoro Dwi Arnanda Putra, Novindio Dwi Joko Winarno Dwi Joko Winarno Dwi Jokowinarno Dyah Indriana Kusumastuti Dyah Indriana Kusumastuti Dyah Indriana Kusumastuti Dyah Wulan Sumekar Dyah Wulan Sumekar Dyah Wulan Sumekar Rengganis Wardani Dyah Wulan Sumekar Rengganis Wardani Dyah Wulan Sumekar Rengganis Wardani Dyah Wulan Sumekar Rengganis Wardani Eddy Purwanto Eddy Purwanto Eko Adi Saputra Fahri, Muhammad Yusrizal Faishal Muhammad Hanun Fakhrizal, Achmad Bagus Febrian Febrian Febrian, Febrian Febriyani, Febriyani Fikri Alami Fitria Saftarina Fridayanto, Syahlan Naufal Gatot Eko Susilo Geleng Perangin Angin Gunardi Winarno Gusri Akhyar Ibrahim Ha, Park Eun Hafizah Hafizah Hardito, Joni Hari Kaskoyo Hari Kaskoyo Hari Kaskoyo Helmi, Masdar Ika Kustiani Ikhfan Kurniyawan Irwan Sukri Banuwa Irwan Sukri Banuwa Irwan Sukri Banuwa Isneini, Mohd Isneini, Muhammad Ivana Aprili Andika Jalal, Muhammad Agung Wijdan Jhons Fatriyadi Suwandi Jimad, Habibullah Kristianto Usman kuncoro, wahyu hadi Kurniawan, Rizqi Kurniyawan, Ikhfan Kusanti, Nency Dwi Kusumastuti, Diah Indriana Kusumastuti, Dyah I. Lana Izzul Azkia, Lana Izzul Lidya Susanti Lusmeilia Afriani M. Dyan Susila Mariyanto Mariyanto Mariyanto Mariyanto Masdar Helmi Masdar Helmi Maulana Ramadhan Pratama Maulana Yusuf Maulana Yusuf Melly Nugraheni Melya Riniarti Mohd. Isneini Muhamad Angga Wicaksono Muhammad Amin Muhammad Isneini Muhammad Reza Muhammad Reza Fahlefi Muhammad Saipuddin Murhadi Mutia Sasra Olga Pandani Nababan, Otto Lambok Raya Nasution, Miftahul Jannah Nency Dwi Kusanti Niken, Chatarina Noorhidana, Vera Agustriana Nora Anggraini Nora Wilya Ovalia Noviani, Erina Nugraha, Aditya Wisnu Nur Arifaini Nur Efendi Nurhasanah Nurhasanah Ofik Taufik Purwadi Ofik Taufik Purwadi Ofik Taufik Purwadi, Ofik Taufik Ofik Taupik Purwadi Ofik Taupik Purwadi Ofik Taupik Purwadi Opik Taufik Purwadi Pandani, Mutia Sasra Olga Park Eun Ha Persada, Citra phohan lim Purwadi , Ofik Taupik Purwadi, Ofik Taupik Purwadi, Opik Taufik Putri, Septi Malidda Eka Rahmadani, Eria Zundi Rahmi Mulyasari Razki Alfatah Khairu Mahli Rian Alfian Rifki Ananda Saputro Riki Chandra Wijaya Riki Chandra Wijaya Rinawati Rinawati Rinawati Rio Aditomo Mahardika Putra Rizki Pratama Rizky J. Sianturi Rizqi Kurniawan Robby Firza Aditya Rosidah Amini Roslina Samsul Bakri Samsul Bakri Saputra, Eko Adi Saputro, Rifki Ananda Sari, Dwi Meyta Sasongko, Respati Anton Sefrinta Sasma Murdiagatma Sembiring, Silsila Jana Firdasa Septiana Widi Lestari Setia Prayitno Setiajaya, Arif Siti Mahardika Siti Mahmudah Siti Zulaicha, Annisaa Slamet Budi Yuwono Slamet Budi Yuwono Sri Ratna Sulistiyanti Subuh Tugiono Subuh Tugiono, Subuh Suharmanto Suharmanto Suharni Suharni Suharno Sulistiyanti, Sri R Suprayitno, Meli Suri, Yola Andara Pratami Susianti Susianti Sutarto Sutarto Sutarto Sutarto Sutarto Sutarto Syarifuddin Azis Syifaunnisa Karunia Masda Teguh Endaryanto Tiara Maelta Amanda Tommy Arisandy Trisna Praja, Tondano Triyanto Triyanto Tugiono Tugiyono Vera Agustriana Noorhidana Vera Agustriana Noorhidana wahyu hadi kuncoro Wardani, Dyah Wulan Wicaksono, Muhamad Angga Widya Aristiani Wijaya, Riki Chandra Wulan Sumekar Rengganis Wardani, Dyah Wulan, Anggraini Janar Yeddy Andriansyah Yola Andara Pratami Suri Yuda Romdania Yuda Romdania Zainal Abidin