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Optimization of flexural strength of palm nut fibre concrete using Scheffe’s theory
This research work is aimed at developing an improved Scheffe’s Second Degree Polynomial based model that can be used to optimize the flexural strength of Palm nut Fibre Reinforced Concrete (PFRC). Using Scheffe’s Simplex method, the compressive strength of PFRC was determined for different ratios. Control experiments were also carried out and the flexural strength determined. After the test has been conducted, the adequacy of the model was tested using student’s t-test and Fisher’s test (ANOVA); the result of the test shows a good correlation between the model and control results. An optimum compressive strength of 11.40 Nmm2 corresponding to mix ratio of 0.525:1.0:1.45:1.75:0.6 and the minimum strength was found to be 5.35Nmm2 corresponding to mix ratio of 0.6:1.0:2.0:2.8:1.1. For water, cement, fine and coarse aggregate and palm nut fibre respectively. The maximum strength value was greater than the minimum value specified by the American Concrete Institute for the compressive strength of good concrete. Using the model, flexural strength of all points in the simplex can be derived.
Optimization of flexural strength of palm nut fibre concrete using Scheffe’s theory
This research work is aimed at developing an improved Scheffe’s Second Degree Polynomial based model that can be used to optimize the flexural strength of Palm nut Fibre Reinforced Concrete (PFRC). Using Scheffe’s Simplex method, the compressive strength of PFRC was determined for different ratios. Control experiments were also carried out and the flexural strength determined. After the test has been conducted, the adequacy of the model was tested using student’s t-test and Fisher’s test (ANOVA); the result of the test shows a good correlation between the model and control results. An optimum compressive strength of 11.40 Nmm2 corresponding to mix ratio of 0.525:1.0:1.45:1.75:0.6 and the minimum strength was found to be 5.35Nmm2 corresponding to mix ratio of 0.6:1.0:2.0:2.8:1.1. For water, cement, fine and coarse aggregate and palm nut fibre respectively. The maximum strength value was greater than the minimum value specified by the American Concrete Institute for the compressive strength of good concrete. Using the model, flexural strength of all points in the simplex can be derived.
Optimization of flexural strength of palm nut fibre concrete using Scheffe’s theory
U. Alaneme George (author) / M. Mbadike Elvis (author)
2019
Article (Journal)
Electronic Resource
Unknown
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