CD Skripsi
Analisis perilaku balok beton bertulang tanpa tulangan geser melalui studi eksperimental dan pemodelan elemen hingga
The Beam is a structural element that has the function of bearing the load
perpendicular to the longitudinal axis. The collapse of reinforced concrete beams
without shear reinforcement can be caused by the collapse of one of the shear force
transfer components. Beams without shear reinforcement will experience changes
in behavior both in terms of strength and collapse patterns. Crack patterns that
occur in the test specimen due to loading can change due to changes in the shear
strength of the concrete. The purpose of this study was to analyze the shear behavior
of reinforced concrete beams without shear reinforcement to obtain crack patterns
maximum load, and maximum deflection values through experimental studies and
finite element model. The crack pattern of the specimens through experiments and
the finite element program is relatively the same, which is marked by the initial
cracks that initially occur in the tensile region in the form of flexural cracks, then
cracks turn into diagonal cracks towards the compressive part of the beam near the
load bearing which cause a failure in the form of shear failure. The results of finite
element modeling show the maximum load obtained by reinforced concrete beams
without shear reinforcement is 31.493 kN with a deflection of 8.054 mm. While the
maximum load of reinforced concrete beams without shear reinforcement through
the experiment is 27 kN with deflection of 12.53 mm. The difference in the maximum
load value of the finite element analysis results with the experimental results is
14.267%. Even though the percentage of the maximum load difference in the finite
element program results is smaller, there is a greater deflection difference.
Keywords: beam without shear reinforcement, FEM, shear behavior, crack pattern
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