DYNAMIC MAGNIFICATION FACTOR FOR CONCRETE WIDE BEAM UNDER FREE FALL LOADING

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International Journal of Engineering and Applied Sciences
Volume:6 Issue:2
DYNAMIC MAGNIFICATION FACTOR FOR CONCRETE WIDE BEAM UNDER FREE FALL LOADING

DYNAMIC MAGNIFICATION FACTOR FOR CONCRETE WIDE BEAM UNDER FREE FALL LOADING

Pages : 1-12

View : 20 | Download : 7

Publication Date : 2014-06-01

Article Type : Research Paper

Abstract :Present endeavor is devoted to investigate the dynamic magnification factor of concrete wide beams contain different sizes of steel fibers under the effect of impact forces. Many parameters were considered in the current work namely central wide beam deformation, length of the used steel fibers and failure modes of the wide beams. Twenty two wide beams have been used to perform current impact test. A finite element model has been constructed with considering 3D solid elements to simulate the performance of the wide beam. It is observed that the computed dynamic magnification factor of the beam is decreased with introducing long steel fibers in the concrete wide beam member. Good matching with correlation more than 80% has been found between present finite element modeling results and the experimental outcomes with using four-noded solid elements in the analysis
Keywords : dynamic magnification factor, free fall objects, concrete wide beam, three dimensional finite element

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