Civil Engineering and Architecture Vol. 9(6), pp. 1955 - 1969
DOI: 10.13189/cea.2021.090625
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Seismic Performance of Hybrid and Non-Hybrid Fiber-Reinforced Concrete Based Beam-Column Joint

Pallab Das ^*, Satyabrata Choudhury
Department of Civil Engineering, National Institute of Technology Silchar, Assam, India

ABSTRACT

Beam-column (BC) joints are the most crucial zones of structures wherein that region, the bond, and normal stresses are comparatively higher. In the present study, the seismic performance of the joint region has been improved with reinforcement with various fibers (polypropylene fiber and steel fiber). Tests are performed with various fiber types in the BC joints under a 100 kN capacity cyclic actuator. The output attributes considered are load, displacement, degradation in the stiffness, drift angle, and dissipation of energy in the BC joint. The specimens have also been computationally modeled and analyzed for static cases using ANSYS-v14 software. Static analysis procedure has been used to determine the key parameters like displacement, stress, strain, and forces in structural components due to the loads. Percentages of polypropylene fiber are varied between 0.15 - 0.50% and the steel fiber is kept constant at 0.75%, while the control specimen (CS) prepared with only normal concrete of mix M25 grade of concrete with characteristic cube compressive strength of 25 MPa without any fibers. Results indicate that the specimen having 0.25% polypropylene and 0.75% steel fiber exhibits better performance under reversed cyclic loading. Further, improvement in BC joints in terms of strength and ductility has been observed in presence of hybrid fibers.

KEYWORDS
Beam-Column Joint, Hybrid Fibre, Stiffness, Strength, Displacement

Cite This Paper in IEEE or APA Citation Styles
(a). IEEE Format:
[1] Pallab Das , Satyabrata Choudhury , "Seismic Performance of Hybrid and Non-Hybrid Fiber-Reinforced Concrete Based Beam-Column Joint," Civil Engineering and Architecture, Vol. 9, No. 6, pp. 1955 - 1969, 2021. DOI: 10.13189/cea.2021.090625.

(b). APA Format:
Pallab Das , Satyabrata Choudhury (2021). Seismic Performance of Hybrid and Non-Hybrid Fiber-Reinforced Concrete Based Beam-Column Joint. Civil Engineering and Architecture, 9(6), 1955 - 1969. DOI: 10.13189/cea.2021.090625.