Analysis of Uniformly Loaded Simply Supported Rectangular Plates with Lifting Corners Using Strip Moment Ratio (SMR) method.

Ephraim M.E., Orumu S.T.


The application of the SMR to rectangular plates with corners allowed to lift is presented in this paper. The classical plate bi-harmonic equation for rectangular plates was adapted to the problem. It is assumed that the load on the plate is supported by the joint effort of transverse x-x strips and the longitudinal y–y strips only. The effect of the two diagonal x–y strips required for holding down is neglected. The effect of Poisson ratio on the span moments and plate’s deflection is also presented. The indication is that an increase in Poisson ratio brings about an increase in the longer span moments of the plate and has got no significant effect on the shorter span moment and deflection of the plate. The results of practical application show close agreement with the exact classical results.

Keywords: Plate, strip moment ratio, SMR, plate deflection and Plate moments, Lifting Corners.

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ISSN (Paper)2224-5790 ISSN (Online)2225-0514

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