Abstract
This work investigates the structural characteristics of Palm Kernel Shell-Sawdust concrete composite. The materials used in the laboratory experiments include, Ordinary Portland Cement, Sawdust, Palm Kernel shells and water. The physical and mechanical characterization tests were performed on the aggregates: sawdust and Palm kernel shells, where sawdust was used as fine aggregate and Palm kernel shell as coarse aggregate. The results obtained for the Sawdust were 734kg/m3, 0.35, 14%, 1.0, 2.8 for average bulk density, average specific gravity, water absorption, coefficient of curvature (Cc) and uniformity (Cu) respectively. For Palm kernel shell, the results obtained were 740kg/m3 and 2.74 for average bulk density and specific gravity respectively. Eighteen (18) cubes of size 150 x 150 x 150mm and nine (9) cylinders of size 150 x 300mm were produced from mix ratios 0.75:1:1:1, 0.75:1:2:2, and 0.75:1:3:3. The following tests were carried out to ascertain structural characteristics of the concrete composite: compressive strength, split tensile strength, density and Poisson ratio tests. The results showed that the average compressive strength for the three (3) mix ratios as 10.25MPa, 9.08MPa and 4.36MPa respectively. The average split tensile strength for the three (3) mix ratios were found as 1.950MPa, 1.666MPa and 1.558MPa respectively. The average static modulus of elasticity for the three mixes were found as 8.90GPa, 8.56GPa and 6.77GPa respectively. The average Poisson’s ratio ranges from 0.19-0.36, while the shear modulus of the composite ranges from 3.86MPa – 2.64MPa. The results obtained in this research showed that Palm Kernel-Sawdust concrete composite could be classified as a lightweight concrete
Keywords
Palm Kernel Shell, Sawdust, Compressive Strength, Poisson Ratio, Structural Characteristics.
Citations
IRE Journals:
Anyaogu, Lewechi , Ibearugbulem Owus Mathias , Irhiaebholo Victor
"Structural Characterization of Palm Kernel Shell-Sawdust Concrete Composite" Iconic Research And Engineering Journals Volume 9 Issue 3 2025 Page 503-513
IEEE:
Anyaogu, Lewechi , Ibearugbulem Owus Mathias , Irhiaebholo Victor
"Structural Characterization of Palm Kernel Shell-Sawdust Concrete Composite" Iconic Research And Engineering Journals, 9(3)
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