B.Thomas
Department Of Civil Engineering, Federal Polytechnic Auchi, Nigeria
Natural Frequency Analysis Of A Box-type Structure Using Ritz Method With Polynomial Shape Functions
This research work is aimed at analyzing the vibration associated with a box-type structure using Ritz Method with polynomial shape function. The purpose is to determine the fundamental frequency. The study assumed the same boundary conditions used by Onwuka and Nwachukwu (2012) and formulated a handy expression, for determining the natural frequency of a box structure. The results of the

B.Thomas
Department Of Civil Engineering, Federal Polytechnic Auchi, Nigeria
Formulation Of The Total Potential Energy Functional For A Thin- Walled Box Column Applicable To Raleigh- Ritz Method
This work is concerned with the formulation of the Total Potential Energy Functional for a Thin -walled Box Column. Specifically, the formulated Energy functional supports the use of Raleigh - Ritz Method – RRM (with polynomial shape functions) in the stability analysis of thin-walled box (closed) columns. The formulated energy functional took its derivative origin from the basic elasticity theories,

B.Thomas
Department Of Civil Engineering, Federal Polytechnic, Auchi, Nigeria
An Improved Model For The Optimization Of The Compressive Strength Of Glass Fibre Reinforced Concrete (g.f.r.c.) Using Scheffe’s Second Degree Polynomials
This research work is aimed at developing an improved mathematical model which would be used to optimize the compressive strength of Glass Fibre Reinforced Concrete (GFRC) using Scheffe’s Second Degree Polynomial. From Scheffe’s Simplex method the compressive strength of GFRC was determined for different ratios. Control experiments were also carried out and the compressive strength determined. After the test

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