FINITE ELEMENT ANALYSIS OF T-SECTION RC BEAMS STRENGTHENED BY WIRE ROPE IN THE NEGATIVE MOMENT REGION WITH AN ADDITION OF STEEL REBAR AT THE COMPRESSION BLOCK

Authors

  • Yanuar Haryanto Department of Civil Engineering, Faculty of Engineering, Jenderal Soedirman University, Purwokerto, Indonesia Department of Civil Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
  • Hsuan-Teh Hu Department of Civil Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
  • Han Ay Lie Department of Civil Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia
  • Anggun Tri Atmajayanti Department of Civil Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan Department of Civil Engineering, Faculty of Engineering, Atma Jaya Yogyakarta University, Yogyakarta, Indonesia
  • Dimas Langga Chandra Galuh Department of Civil Engineering, Faculty of Engineering, Sarjanawiyata Tamansiswa University, Yogyakarta, Indonesia
  • Banu Ardi Hidayat Department of Civil Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan

DOI:

https://doi.org/10.11113/jt.v81.12974

Keywords:

Finite element analysis, ATENA, reinforced concrete beam, strengthening, wire rope

Abstract

A building whose functions are converted in which their volumes are improved, for example, a four-story building transformed into a five-story building, resulting in a dead load improvement of its structural self-weight, obviously requires strengthening in order to avoid the possibility of structural failures. This paper focuses on a nonlinear finite element analysis conducted using the ATENA program on T-section reinforced concrete beams strengthened in the negative moment region with wire ropes and an addition of steel rebars at the compression block. The results are then compared with the results of the previously conducted experiments. The specimen models consist of control beams (BK), strengthened beams with wire ropes at the tension block (BP1), and strengthened beams with wire ropes at the tension block and steel rebars at the compression block (BP2). The results show that the ratios of the load-carrying capacity against those of the experimental results are 1.25, 1.23, and 0.89 respectively for BK, BP1 and BP2. The effective stiffness ratios to those of the experimental results are 1.45, 1.15, and 1.86, while the ductility index ratios against the experimental results are 1.11, 0.63, and 1.01 respectively for BK, BP1, and BP2. The crack patterns of the nonlinear finite element analytical results revealed that all specimen models experience flexural failure.

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Published

2019-06-25

Issue

Vol. 81 No. 4: July 2019

Section

Science and Engineering

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How to Cite

FINITE ELEMENT ANALYSIS OF T-SECTION RC BEAMS STRENGTHENED BY WIRE ROPE IN THE NEGATIVE MOMENT REGION WITH AN ADDITION OF STEEL REBAR AT THE COMPRESSION BLOCK. (2019). Jurnal Teknologi, 81(4). https://doi.org/10.11113/jt.v81.12974