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المؤلفAbushanab, Abdelrahman
المؤلفAlnahhal, Wael
المؤلفFarraj, Murad
تاريخ الإتاحة2023-12-07T07:32:04Z
تاريخ النشر2021
اسم المنشورEngineering Structures
المصدرScopus
الرقم المعياري الدولي للكتاب1410296
معرّف المصادر الموحدhttp://dx.doi.org/10.1016/j.engstruct.2021.112390
معرّف المصادر الموحدhttp://hdl.handle.net/10576/50252
الملخصThis study investigated the structural performance and moment redistribution of basalt fiber reinforced concrete (BFRC) continuous beams reinforced with basalt fiber reinforced polymers (BFRP) bars. A total of 10 reinforced concrete (RC) continuous beams over two equal spans of 1800 mm were tested under five-point loading until failure. The test variables were the type of main bars, sagging-to-hogging reinforcement ratio, volume fractions (Vf) of basalt macro fibers (BMF), and stirrups spacing. Seven beams were longitudinally reinforced with BFRP bars, while the remaining three beams were reinforced with conventional steel bars and served as a control. Test results showed that BFRC-RC beams had higher crack widths, mid-span deflections, and strains than steel-RC beams. Furthermore, the ductility index, load-carrying capacities and moment redistribution of the tested beams considerably improved by increasing the Vf of BMF and sagging-to-hogging reinforcement ratio, and decreasing stirrups spacing. However, increasing the reinforcement ratio and Vf of BMF was more effective in improving the moment redistribution than reducing the stirrups spacing. Analytically, the experimental sagging and hogging moments were compared to the available existing models and codes equations. A modified equation incorporating ACI 440.1R-15 provisions and a model suggested by Rjoub provided the most accurate predictions of the tested beams' moment capacities.
راعي المشروعThis publication was made possible by GSRA grant GSRA6-1-0509-19022 from the Qatar National Research Fund (QNRF, a member of Qatar Foundation). Also, the financial support from Qatar University through grant no. QUST-1-CENG-2020-17 is acknowledged. The findings achieved herein are solely the responsibility of the authors.
اللغةen
الناشرElsevier
الموضوعBasalt fiber reinforced concrete
BFRP bars
Continuous beams
Ductility
Moment redistribution
العنوانStructural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars
النوعArticle
رقم المجلد240
dc.accessType Abstract Only


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