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Journal : TEKNIK

Concrete Jacketing for Strength Enhancement of Square Columns in Corroded Reinforced Concrete Structures Amalia, Zahra; Mahlil, Mahlil; Ulza, Adrian; Saidi, Taufiq; Aulia, Teuku Budi; Asyifa, Cut Nella
TEKNIK Vol 46, No 3 (2025): Juli 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i3.70449

Abstract

Buildings submerged during the 2004 Aceh tsunami have shown signs of structural degradation, particularly due to corrosion in column reinforcement, raising concerns about reduced seismic performance. This study aims to evaluate the effectiveness of the concrete jacketing method in retrofitting corroded square reinforced concrete columns. Specimens measuring 200 × 200 mm² in cross-section and 580 mm in height were subjected to accelerated corrosion targeting 20% mass loss, followed by axial and lateral loading tests. The results showed that corrosion reduced shear strength by 23.93% compared to non-corroded specimens. However, retrofitted corroded square reinforced concrete column demonstrated a 15.65% increase in strength when the stirrup reinforcement yielded. However, the shear capacity showed a slight decrease compared to the corroded columns without jacketing. This unexpected reduction is attributed to the absence of joint strengthening in the retrofit, which governed the overall shear resistance. These findings highlight the importance of including joint enhancement when applying concrete jacketing for comprehensive structural recovery.
Co-Authors Abdullah Abdullah Al-Bakri, Nazira Suha Aldri Frinaldi Ardiyanti, Dwi Ariston Asyifa, Cut Nella Chairany amsi Chairun Nisa Dewi Seftiana A Dewi, Rahma Rosita Didi Dinda Nur Salsabilah Erna Zakiyah Erni Yuningsih Erwin, Intan Nabillah Fadlia, Faradilla Faradilla Fadlia Fatonah, Sabrina Putri Fitria Herliana Fu, Li Hambani, Susy Harahap, Khairunnisa Hasan, Muttaqin Herliana, Fitria Hulmun, Nai Wise Ibrahim, Adrian Icha Widya Putri Idris, Yunita Ikhwan, Firas Rafiqul Indra Cahya Kusuma Iskandar Hasanuddin Izzaty, Nur Jannah, Maharani Qonita Kana Puspita karmila karmila Lubis, Jihan Syahirah Mahlil, Mahlil Mahmud, Intan Silmi Alya Marsinah, Siti Maulani Al umi Maulida, Utami Megan Asri Humaira Mochammad Afifuddin Muhammad Azwar Muhammad Iqbal Muhammad Lie Kelvin Aidy Muhammad Nazar Munawir Munawir Muttaqin Hasan Muttaqin Hasan Muttaqin Hasan Nella Asyifa, Cut Nita Hestiyana Nugraheni, Sri Wahyuningsih Nur Izzaty Oktovi, Rama Pasha, Davina Aslamy Patrisa, Indira Cahya Purwaningtyas, Restu Puspita, Kana Putri Ramadhani Putri, Cindy Dinda Putri, Nanda Pratama Putri, Nurhaida Fahrisma Putri, Shinta Febryana Fambudi Rabia Wahdah Radianto, Syifa Auladina Rahmad Effendi Ramadhan, Rayhan RAMADHAN, WAHYUDI Rudiansyah Putra Sabilla, Siti Inayatun Saeful Anwar, Saeful Salsabila, Lesya Adinda Siti Solehah, Siti Sofi Mubarok Sopiana Halizahra, Yusti Taufiq Saidi Taufiq Saidi Teuku Budi Aulia Teuku Budi Aulia Thamrin, Suyono Uswatun Hasanah Varadila Wahdah, Rabia Warizal Winda Maolinda Wirahman Salvana Yantie, Lisdha YANTO, SRI Yusria Darma Yusuf Matunry Zakirah, Rana