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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 4    
Website: http://www.ijser.org
scirp IJSER >> Volume 3,Issue 4,April 2012
An Investigation on The Strength and Workability of Concrete Using Palm Kernel Shell and Palm Kernel Fibre As A Coarse Aggregate
Full Text(PDF, )  PP.150-154  
Author(s)
Emiero. C, Oyedepo O.J
KEYWORDS
Light Weight Concrete, Compressive Strength, Workability, Palm Kernel Shell, and Palm Kernel Fibre
ABSTRACT
The study examined the compressive strength and workability of concrete using palm kernel shell and palm kernel fibre as a partial replacement for coarse aggregate. Lightweight aggregate obtained using, Palm Kernel Shell (PKS) and Palm kernel Fibre (PKF) respectively as partial replacement for coarse aggregate. Batching was done by volume using a water cement ratio of 1.11/2 :3 and 1:2:4. The concrete obtained of size 150 x 150 x 150mm3 was crushed using manual compression testing machine at 7, 14, 21, and 28 days respectively. The result of the specific gravity test using water displacement method and the sieve analysis for palm kernel shell are 2.59 and it has an S-shape curve; while 4.70 and 0.265 obtained for the coefficient of uniformity (Cu) and coefficient of curvature (Cc) respectively indicate that the aggregate is uniformly graded and can be used for the production of light weight concrete. Also the values of the slump obtained for mix 1:1½:3 and Mix 1:2:4 for concrete produced with (PKS) and (PKF) are 30mm and 38mm which indicate true slump. The concrete mix ratio PKS:PKF of 50:50 for 1:1½:3 and 1:2:4 has compressive strength of 12.29N/mm² and I0.38N/mm² after 28 days, which confirms light weight concrete. 
References
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