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Development Of Finite Element Code For Analysis Of Reinforced Concrete Slabs

Submitted2008-08-26
Last Update2008-08-31
TitleDevelopment Of Finite Element Code For Analysis Of Reinforced Concrete Slabs
Author(s)Author #1
Author title:
Name: M. M. Smadi
Org: Associate Professor, Department of Civil Engineering, Faculty of Engineering, Jordan University of Science and Technology, Irbid, Jordan.
Country: Jordan
Email: msmadi@just.edu.jo

Author #2
Author title:
Name: K. A. Belakhdar
Org: Former Graduate Student, Department of Civil Engineering, Faculty of Engineering, Jordan University of Science and Technology, Irbid, Jordan.
Country: Jordan
Email:

Other Author(s)
Contact AuthorAuthor #1
Alt Email: msmadi@just.edu.jo
Telephone:
KeywordsNonlinearity, Finite Element Analysis, Material Modeling, Concrete Slabs, NLFEAS Code, Preprocessor Layer, Postprocessor Layer.
AbstractA nonlinear finite element code has been developed to suite the analysis of normal and high strength concrete slabs. The computer program was built up using two computer languages, where the program interface part was coded in Visual-Basic language, while the main part was coded using FORTRAN language. A software called NLFEAS (Non-Linear Finite Element Analysis of Slabs) was developed to predicate and study the three dimensional response of reinforced concrete slabs of different grades, variables and boundary conditions under monotonically increasing loads. Using symmetry, a segment representing one quarter of the slab was considered in the analysis which was modeled using 20-node isoparametric brick elements and a 27-integration rule (3*3*3). Proper numerical material models for cracked concrete were incorporated in the analysis. The efficiency and accuracy of the developed code was verified through comparison with available test data, which showed good agreement. The effects of some finite element parameters such as mesh refinement and integral rule were also investigated.
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