The Effect of Oil Palm Fiber and Oil Palm Fiber Ash On The Strength of Concrete (PDF)
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– The Effect of Oil Palm Fiber and Oil Palm Fiber Ash On The Strength of Concrete (PDF) –
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Oil palm fibre (OPF) and oil palm fibre ash (OPFA) is a by-product from the oil industry. They are waste in landfills. The oil palm fibre was well dried until it was spontaneous and oil palm fibre ash was sieved through 200 mesh (75μm).
The oil palm fibre (OPF) and oil palm fibre ash (OPA) were differently added to concrete composition mixture of 0.25% and 0.5% by weight of concrete sample Pf1 contained OPF while sample PF2% OPFA while sample PA2 contained 0.5% OPFA.
The properties of sample were compared with ordinary portland cement concrete (OPCC) as controlled sample (CS), Po. A total 30 cubes with 150mm x150mmx150mm dimension were prepared in fire groups according to a particular mix proportions.
The composition mixture rate for water cement (w/c) ratio is 0.5, sand-cement (S/C) ratio is 2.24, aggregate-cement (A/C) ratio is 3.82 and target density is 2556kg1m3. Then, the samples were cured under water curing condition for the periods of 7, 14 and 28 days before testing.
The result on samples P0 , PF1 , PF2 , PA1 , and PA2 on slump test were obtained 80,70,62,78,70,78 respectively, on density were 8565, 8565, 7795, 8670,8475, respectively and on compressive strength were 28.50, 29.03,22.58,29.20,29.82 respectively.
The result obtained showed that the sample PF2 had the lowest compressive strength and density. Through the observation, PF1, PF2 , PA1 and PA2 showed lower early strength gain but is satisfying improvement of strength as the study increased. PA2 had the highest compressive strength.
The study demonstrated that pozzolanic material (OPA) increases strength in concrete in a long run and oil palm fibre is good for the production of high-weight concrete.
1.1 Background of the Study
Concrete is probably the most extensively used construction material in the world. Its usage is around 10 billion tons per year, which is equivalent to 1 ton per every living person.
Even though this material in being used as a modern material concrete has been in use for hundreds of years, Concrete is a tremendously popular structural material due to its low cost and carries off fabrication of construction. (Mannan M. A, 2004).
Concrete is a relatively durable and tough building material, but it can be severely weakened by poor manufacture or a very aggressive environment. A member of historic concrete structure exhibits problem that are related to their date of origin. Their problem can be solved by application of polymer in concrete constructions, (Lee, 2007).
As the constituents of concrete come from stone, people have always thought that concrete has the same quality and will last forever. However, concrete must be thought of as a distinct material to stone. It has its own characteristics in terms of durability, weathering and repair (Neville, et al, 1987).
According to Amla K. S and Devdas M. (2000), concrete is defined as a composite material that consisted essentially of a binding medium, such as a mixture of port land cement and water, within which were embedded particles or fragments of aggregate, usually a combination of fine and coarse aggregate.
Concrete is by far the most versatile and most widely used for construction material worldwide. It could be engineered to satisfy a wide range of performance specification, unlike other building materials such as natural stone or steel, which generally had been used in construction.
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