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Title: Experimental investigation of impact behaviour of shear deficient RC beam to column connection
Authors: Aras, M.
Yılmaz, T.
Çalışkan, Ö.
Anıl, Ö.
Erdem, R.T.
Kaya, T.
Keywords: FEM
free drop test
impact load
RC beam-column connection
Compressive strength
Concrete beams and girders
Reinforced concrete
Rock bursts
Beam - column connection
Beam connections
Dynamic impact load
Free drop tests
Impact behavior
Impact loads
Reinforced concrete beam-column connection
Reinforced concrete beams
Reinforced concrete column
Finite element method
Issue Date: 2022
Publisher: Techno-Press
Abstract: Reinforced concrete (RC) structures may be subjected to sudden dynamic impact loads such as explosions occurring for different reasons, the collision of masses driven by rockfall, flood, landslide, and avalanche effect structural members, the crash of vehicles to the highway and seaway structures. Many analytical, numerical, and experimental studies focused on the behavior of RC structural elements such as columns, beams, and slabs under sudden dynamic impact loads. However, there is no comprehensive study on the behavior of the RC column-beam connections under the effect of sudden dynamic impact loads. For this purpose, an experimental study was performed to investigate the behavior of RC column-beam connections under the effect of low-velocity impact loads. Sixteen RC beam-column connections with a scale of 1/3 were manufactured and tested under impact load using the drop-weight test setup. The concrete compressive strength, shear reinforcement spacing in the beam, and input impact energy applied to test specimens were taken as experimental variables. The time histories of impact load acting on test specimens, accelerations, and displacements measured from the test specimens were recorded in experiments. Besides, shear and bending crack widths were measured. The effect of experimental variables on the impact behavior of RC beam-column connections has been determined and interpreted in detail. Besides, a finite element model has been established for verification and comparison of the experimental results by using ABAQUS software. It has been demonstrated that concrete strength, shear reinforcement ratio, and impact energy significantly affect the impact behavior of RC column-beam connections. Copyright © 2022 Techno-Press, Ltd.
ISSN: 1225-4568
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections

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