International Journal of Engineering Technology and Scientific Innovation
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Title:
EXPERIMENTAL AND THEORETICAL STUDY FOR SOLID AND BOXSECTION CONCRETE BEAMS STRENGTHENED WITH CFRP LAMINATES UNDER PURE TORSIONAL LOADS

Authors:
Dr. Ali Hadi Adheem

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Civil Techniques Department, Karbala Technical Institute, Al-Furat Al-Awsat Technical University, Iraq

MLA 8
Adheem, Dr. Ali H. "EXPERIMENTAL AND THEORETICAL STUDY FOR SOLID AND BOXSECTION CONCRETE BEAMS STRENGTHENED WITH CFRP LAMINATES UNDER PURE TORSIONAL LOADS." IJETSI, vol. 2, no. 2, 2017, pp. 604-618, ijetsi.org/more2017.php?id=51.
APA
Adheem, D. H. (2017). EXPERIMENTAL AND THEORETICAL STUDY FOR SOLID AND BOXSECTION CONCRETE BEAMS STRENGTHENED WITH CFRP LAMINATES UNDER PURE TORSIONAL LOADS. IJETSI, 2(2), 604-618. Retrieved from http://ijetsi.org/more2017.php?id=51
Chicago
Adheem, Dr. Ali H. "EXPERIMENTAL AND THEORETICAL STUDY FOR SOLID AND BOXSECTION CONCRETE BEAMS STRENGTHENED WITH CFRP LAMINATES UNDER PURE TORSIONAL LOADS." IJETSI 2, no. 2 (2017), 604-618. http://ijetsi.org/more2017.php?id=51.

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Abstract:
The present experimental and theoretical investigation deals with the torsional strengthening of solid and box section plain concrete beams using epoxy-bonded CFRP strips. Also, compares the effectiveness and efficiency of two strengthening techniques viz. FRP bars as NSM reinforcement and CFRP strips as external reinforcement. Plain concrete beam strengthened with CFRP strips as transverse and longitudinal reinforcement were tested under pure torsion. For this analysis, a system of computer program (ANSYS V.14.5) is used for this study. The concrete beam was modeled by 8-node isoparametric brick elements. The CFRP strips were modeled by shell elements. The interface elements were modeled by contact element to represent slip and uplift separation between the concrete beams and CFRP-reinforcement. The results showed that the torsional capacity of the strengthened beams can be increased by either decreasing the spacing of the CFRP, or replacing of CFRP strips by NSM FRP.