A STUDY OF STRESS DISTRIBUTION IN ORTHOTROPIC BEAM BY BOUlIo'DARY ELEMENT TECHNIQUE

Suhaimi Abu Bakar

Abstract


Boundary clement technique is applied to predict the stress distribution in orthotropic beam. The length-depth ralios (UD) of the beam are chosen within the range of 1.5 and 4.5. The result from orthotropic analysis is compared with isotropic analysis. It shows that the stress distribution predicted by orthotropic analysis is significantly different from isotropic analysis when the 'UD' ratios less than 4.5.

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The distribution of stress predicted from orthotropic and isotropic

analysis is different. This distribution is different if 'lJD' ratio less than 4.5.

Maximum stress in bending predicted from orthotropic analysis is

greater than that from isotropic prediction. However, maximum stress in shear is less than from isotropic prediction.

Orthotropic properties do not gives significantly influence for

transverse stress in the beam compared with isotropic prediction.




DOI: https://doi.org/10.11113/mjce.v9.19

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