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All Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Pertiwi, Ziza Ayu
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Civil Engineering, Building, Construction & Architecture Transportation

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Pengaruh Pengekangan CFRP Pada Kolom Beton Mutu Normal dan Mutu Tinggi Bertulangan Bambu Terhadap Kapasitas Beban Aksial dan Deformasi Kolom Pertiwi, Ziza Ayu; Umniati, B. Sri; Risdanareni, Puput
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 2 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i2.10923

Abstract

In the midst of the growing construction projects, the use of composite materials is widely applied, one of which is CFRP (Carbon Reinforced Polymer) which has high tensile strength with low density. The selection of bamboo reinforcement as an alternative material to replace steel is because bamboo has a tensile strength value that is close to the tensile strength of steel. However, bamboo has a weakness in its compressive strength. Therefore, this CFRP restraint is expected to be able to overcome these limitations with the aim of analyzing the effect of CFRP restraint on bamboo reinforced concrete columns with normal concrete quality (25 MPa) and high concrete quality (50 MPa), using CFRP layers of 0 and 2 layers. The experiment was conducted by making 4 square-section concrete columns, using Apus bamboo as the main reinforcement and spiral steel as a binder. After the casting and drying process, the columns were given a CFRP layer according to the variation. The results of the study showed that CFRP restraint could increase the axial load capacity by 6.07% for normal quality concrete columns and 5.58% for high quality concrete columns. In addition, normal quality concrete columns with CFRP restraints also reduce the maximum deformation value by 47.6% and for high quality concrete columns it reduces the maximum deformation value by 87.3%.
Co-Authors B. Sri Umniati Puput Risdanareni