Vol 8, No 1 (2017) > Civil Engineering >

Wire Rope Flexural Bonded Strengthening System on RC-Beams: A Finite Element Simulation

Yanuar Haryanto, Buntara Sthenly Gan, Agus Maryoto

 

Abstract:

We conducted a finite element simulation by using a computer program, ATENA, to verify
the behavior of T-section reinforced concrete beams strengthened by bonded wire
ropes in the negative moment region with a pretensioned initial prestressing force; we compared this
behavior with that in experimental tests. The simulation was performed on five models consisting
of one unstrengthened beam and beams strengthened by wire ropes with initial prestressing forces of 0%, 10%, 20%,
and 30%. We found that the capacity of a flexural
load had the ratios to the experimental results close to 1 — that is, 1.25, 1.16, 1.12, 1.01, and 1.10, for UB, SB1, SB2,
SB3, and SB4, respectively. The ratios of effective stiffness, as the result of
the simulation, to the experimental results were 1.45, 1.08, 1.76, 2.13, and
2.46 for UB, SB1, SB2, SB3, and SB4, respectively. We also observed that crack propagation developed
in the finite element simulation indicated that all models
underwent flexural failure.

Keywords: ATENA; Finite element simulation; Reinforced concrete; Strengthened; Wire rope

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