Nonlinear analysis of reinforced concrete slab

Tiew, GeeCheong (2015) Nonlinear analysis of reinforced concrete slab. BEng dissertation, University of Portsmouth.

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    In engineering industry, Finite Element Method have always been used by engineers to solve various type of complex engineering problem. Almost half a century ago in engineering history, finite element method had been implemented to check the performance of the design of reinforced concrete structural element. In this project, a finite element study was carried out to investigate the nonlinear behaviour of reinforced concrete slab with variables of geometry and loading type. Finite Element System of LUSAS (London University Stress Analysis System) was chosen to model and analyse these reinforced concrete slabs.
    To have good correlation with Dr. Kabir’s experimental results, material and geometry properties of finite element slab models were assigned similarly to the properties of Dr. Kabir’s experimental slabs. By using LUSAS software, reinforced concrete slabs were modelled with isotropic nonlinear material models and nonlinear analysis were carried out by using automatic load incremental solution with iterative correction. With LUSAS’s utilities function, various results were obtained to study the nonlinearities of the slabs. In this project, the cracking load and ultimate load of the finite element slab models were determined based on the assumption of maximum vertical deflection of midpoint of the slabs. After the analytical results were computed, they were brought to compare and verified with Dr.Kabir’s experimental results.

    Item Type: Dissertation
    Departments/Research Groups: Faculty of Technology > School of Civil Engineering and Surveying
    Depositing User: Jane Polwin
    Date Deposited: 21 Oct 2015 16:20
    Last Modified: 21 Oct 2015 16:20

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