Theoretical Investigations on the Structural Behavior of Biaxial Hollow Concrete Slabs | ||
| Journal of Engineering | ||
| Article 1, Volume 21, Issue 6, June 2015, Pages 108-130 | ||
| Authors | ||
| Hassan Hamoudi Yasseen; Nazar Kamel Ali Oukaili | ||
| Abstract | ||
| This paper presents a numerical analysis using ANSYS finite element program to simulate the reinforced concrete slabs with spherical voids. Six full-scale one way bubbled slabs of (3000mm) length with rectangular cross-sectional area of (460mm) width and (150mm) depth are tested as simply supported under two-concentrated load. The results of the finite element model are presented and compared with the experimental data of the tested slabs. Material nonlinearities due to cracking and crushing of concrete and yielding of reinforcement are considered. The general behavior of the finite element models represented by the load-deflection curves at midspan, crack pattern, ultimate load, load-concrete strain curves and failure modes shows good agreement with the experimental data. | ||
| Keywords | ||
| finite element analysis; One way Slabs; prestressed concrete slabs; bubbled slabs; spherical voids | ||
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