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Herwani .
JurusanTeknik Sipil Universitas Tanjungpura, Pontianak
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Journal : Journal of Engineering and Technological Sciences

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Strength Enhancement, Ductility, and Confinement Effectiveness Index of Fly Ash-based Geopolymer Concrete Square Columns Herwani Herwani; Iswandi Imran; Bambang Budiono; Ediansjah Zulkifli
Journal of Engineering and Technological Sciences Vol. 54 No. 4 (2022)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2022.54.4.11

Abstract

Geopolymer concrete is an environmentally friendly construction material that has the potential to be applied in building structures. It is important to understand the structural behavior of geopolymer concrete. This paper presents an experimental investigation into the performance of structural elements of geopolymer concrete under concentric axial loads. The specimens were twelve square columns with a size of 170 x 170 mm and a height of 480 mm. The study variables were the tie spacing and the compressive strength of unconfined geopolymer concrete (f’c). The test results showed that the increase in f'cc was not as significant as the increase in unconfined concrete compressive strength (f'c). The value of strength enhancement (K) tended to decrease. The column ductility (m) and confinement effectiveness index (Ic) had optimum values. The effect of increasing the tie spacing (s) decreased the K, Ic, and m values of the column. The proposed f’cc formulation for geopolymer concrete is compatible.
Co-Authors Ajmal Ramadhany Ali Akbar Andreas, Ricky Arfan ., Arfan Arisia Novita Aryanto Aryanto Asep Supriyadi B. Budiono Bambang Budiono Bambang Budiono Bayu Emilsyah Bin Ilias, Mohd. Faeez Cek Putra Handalan, Cek Putra Chrisna Djaya Mungok Crisna Djaya Mungok DWI SANTOSO Ediansjah Zulkifli Eka Priadi Elsa Tri Mukti Elvira . Elvira Elvira Elvira Elvira Faisal Faisal Faisal Faisal Gagas Bagus Pradewa Hermanus, Hermanus Insan Ari Maulana Iswadi Iswadi Iswandi Imran Ivindra Pane Jacob Hasiholan Hutajulu Kardianto, Arie Lucky Nur Syavanka Lusiana Lusiana Manah . MUHAMMAD YUSUF Naufal Fitrahaldi Nurhayati Nurhayati Odie Sulung, Odie Parabi, Ashraf Dhowian Rafie Rafie Randy Factsah Salsabila, Putri Najwa Samsul Sonny Franata Syahmil, Muhammad Tansetiadi Sutiono Ubabuddin, Ubabuddin Udi Wijayadi Usman Yasin Z, Yosafat