Advanced Study of Columns Confined by Ultra-High-Performance Concrete and Ultra-High-Performance Fiber Reinforced Concrete Confinements

Susilorini, Rr. M. I. Retno Susilorini and Kusumawardaningsih, Yuliarti (2023) Advanced Study of Columns Confined by Ultra-High-Performance Concrete and Ultra-High-Performance Fiber Reinforced Concrete Confinements. Fibers, 11 (5). ISSN 20796439

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Abstract

The need for concrete with ‘super’ strength performance but also ‘super’ ductile to become more sustainable has been answered by the existence of Ultra-High-Performance Concrete (UHPC) and Ultra-High-Performance Fiber Reinforced Concrete (UHPFRC). The innovation on UHPC and UHPFRC is still needed by the construction field nowadays. This research aims to contribute to the innovation of UHPC and UHPFRC performance that become an advanced study of previous re-search of authors on UHPC and UHPFRC characteristics and also column confined by UHPC and UHPFRC. This research was conducted by experiment activity and analytical calculation. The experimental results will be compared to analytical calculation as validation. This research pro-duced 12 (twelve) short column specimens confined by UHPC and UHPFRC (containing fiber of 0%, 1%, and 2%) that were tested for axial loading and various eccentricities (e = 0, 35, 70 mm). The results found that the NSC columns confined by UHPC and UHPFRC could sustain higher maximum load and stress and also sustain larger vertical deformation and strain compared to control specimens. It was noted that CF2-35 has the highest load capacity, vertical deformation, maximum stress, and also maximum vertical strain, compared to C-0. The specimen CF2-35 also performed a ductile failure mode and very minor cracks. It was also proven that the addition of 2% fiber volume to the UHPFRC has prevented the confinement spalling from the column. The research meets the conclusions that the UHPC and UHPFRC confinements will increase the strength and ductility of the column.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Fakultas Teknik dan Ilmu Komputer > Teknik Sipil
Depositing User: Retno Susilorini
Date Deposited: 17 May 2023 06:30
Last Modified: 17 May 2023 06:30
URI: http://repository.upstegal.ac.id/id/eprint/6831

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