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Journal : Journal of the Civil Engineering Forum

Structural Health Assessment of Kretek II Bridge using Enhanced Frequency Domain Decomposition Astalis Ulul Absor, Didib; Aminullah, Akhmad; Supriyadi, Bambang
Journal of the Civil Engineering Forum Vol. 10 No. 2 (May 2024)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.9151

Abstract

The development of infrastructure is growing rapidly in Indonesia. Kretek II bridge is one of the infrastructures built in the country. Dynamics aspects are one of the very important aspects used to validate structural analysis model or being linked to Structural Health Monitoring (SHM) of the bridge. Dynamics properties such as natural frequency, damping ratio, and mode shape also referred as modal parameters. The objective of this research is to determine the modal parameters of Kretek II bridge using Enhanced Frequency Domain Decomposition (EFDD) which is commonly used to extract modal parameters from the acceleration data recorded. Compared to the conventional method, EFDD is very practical and robust in structural health assessment because of its user-friendly uses in the ARTeMIS Modal software. To make sure that the results from EFDD are accurate, numerical modeling is necessary to validate it. This research was conducted using dynamics load test results as data for the modal extraction with EFDD method assisted by ARTeMIS Modal software. Dynamics load test was performed by placing 8 accelerometers in the span and exciting it with impact load from dropped truck on ramp. Modal parameters from the EFDD results are then compared to the numerical modeling results. The first two modes of the EFDD and numerical modeling results consecutively are 3.09 Hz, 3.745 Hz and 3.06 Hz, 3.49 Hz. The EFDD and numerical modeling results are both in agreement with both results having similar mode shape on their first two mode and low error percentage with only 0.89% and 7.17% respectively.
Co-Authors Ahmad Muhajir, Ahmad Ali Awaludin Amalia Alifiani, Amalia Amalia, Alifiani, Amalia, Aminullah, Akhmad Andi Asrul Sani, Andi Asrul Andreas Triwiyono Anggono Ariebowo, Anggono Arief Fadhilah Astalis Ulul Absor, Didib Atiek Suprapti Atin Supriatin, Atin bambang adji Bambang Adji Murtomo Bambang Irawanto Bayu Sasongko Carera, Adela Darmajaya, Theo Alfaro Dida Diaz Priantara dimas Rachmaputra Djoko Sulistyo Eddy Prianto Edward Endriarto Pandelaki, Edward Endriarto Ergiyanti, Kharisma Erni Setyowati Faisal Nufus, Faisal Fajriyan Saiful, Fajriyan Fathurrahman Fathurrahman Fauzannur, Fauzannur Fitri Rachmawati Gagoek Hardiman H, I Gede Agung Shri Parta Hasanah Hasanah Hendro Trilistyo Hermin Werdiningsih Hermini Susiatiningsih indah dwi Jantu, Mochamad Athar Jefri Putri Nugraha Kurniadi, Adi Kustiandika, Salsabila Mahargyo, Dhady Pelita Making, Maria Yasinta Menge Muda, Johanes B Muhamad Farhan Muslikh Muslikh Nadia Farabi, Nadia Nugraha, Jefry Putri Pajrini, Ani Paradina, Novita Eka Prasetyo, Aulia Azis Pratama, Prandika Prayoto Prayoto Prayoto Priono, Bowo Purba, Luki Hariando Purbonuswanto, Welius R Siti Rukayah Rahardjo, R. Sugeng Rahardjo, Sugeng riska arrasy Safinta Rhosa Fajari, Safinta Rhosa Saputri, Rahayu Sasongko, Dimas Bayu Simanjuntak, Salomo Sri Wartini sukawi sukawi Suprapto Siswosukarto Surahmat, Djoko Suseno, Dewi Alima Nostalia Timur, Dya Ayu Cahya Titien Woro Murtini Umi Khoiroh, Umi Waluyo, Buyung Purnomo Widyastuti, Rida Wijayanti Wijayanti Wiku Adhiwicaksana Krasna Yushardi Yushardi, Yushardi