Finite Element Modeling of Bending Failure at HPFRC Plates using 2-Dimensional Isoparametric Element
This paper presents finite element modeling of the bending failure on High-Performance Fiber-Reinforced
Concrete (HPFRC) plate subjected to monotonic loading. Plate analysis is commonly used approach to plate bending
theory. The results are sometimes less in accordance with laboratory tests. The aim of this study is to analyze the
behavior of bending until failure which occurred at HPFRC plate, and load-displacement relation caused by variations of
plate depth. Analysis carried out by 2-D isoparametric finite element method, with the approach of plane strain condition.
The analysis was done by decreasing the stiffness of plate elements layer gradually in accordance with the development
of maximum stress in the element due to workload. The rigidity of plate elements layer will be close to zero when
maximum stress reaches a maximum tensile strength of HPFRC. Validation testing program conducted on plate specimen
with a span length of 600 mm, width 300 mm and thickness variation of 40 mm, 50 mm and 60 mm. HPFRC
compressive strength is 93.045 MPa, and splitting tensile strength is 6.018 MPa. Test performed with four points bending
pattern at a distance of 1/3 span length. Comparison between the calculation by the finite element method and laboratory
testing showed very consistent results.