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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1, Number 6, May 2009

Issue on Civil Engineering

Page(s): 81-85

Application of Optimization Techniques for yield line pattern Determination in Slabs

Solmaz Pourrezay Khaligh

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Abstract

The First step in the slab analysis with yield line method is to determine the yield line pattern. General pattern of yield line can be specified by experience in each case. Nevertheless, the correct pattern of the yield lines should be obtained for exact determination of slab ultimate load. Moreover, more than one yield line pattern for slab could be probable. One of the methods for proper yield line pattern determination is using optimized methods. In this paper, other than giving a summary of some the efforts made in this area up to now, a few slabs were modeled in ANSYS and a proper yield line pattern was obtained for each case study.

Index Terms

limit analysis, lower bound method, mechanism, concrete slab, yield line pattern

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