Structural Engineering and Mechanics

  • 제84권5호
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  • Pages.619-632
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  • 2022
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Experimental investigation of impact behaviour of shear deficient RC beam to column connection

  • Murat, Aras (Civil Engineering Department, Bilecik Seyh Edebali University) ;
  • Tolga, Yilmaz (Civil Engineering Department, Konya Technical University) ;
  • Ozlem, Caliskan (Civil Engineering Department, Bilecik Seyh Edebali University) ;
  • Ozgur, Anil (Civil Engineering Department, Gazi University) ;
  • R. Tugrul, Erdem (Civil Engineering Department, Manisa Celal Bayar University) ;
  • Turgut, Kaya (Civil Engineering Department, Batman University)
  • 투고 : 2020.11.28
  • 심사 : 2022.11.09
  • 발행 : 2022.12.10
⟨ 이전 논문 다음 논문 ⟩

초록

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.

키워드

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