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The Effects Of Sugar Cane Bagasse Ash As Suplementary Cementitious Material In Production Of Concrete
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3.2.4.3 Moisture content
The water to cement ratio of a concrete affects the strength and the workability of the concrete. The increase of the water to cement ratio results in a decrease of the strength of the concrete and an increase of workability. The aggregates in concrete are assumed to be inert materials. But most of the aggregates dont meet this assumption by either absorbing water (dry aggregates) or by releasing it (wet aggregates) to the mix. As a result of this property of aggregates the design water to cement ratio of the mix changes. Therefore it is important to determine both the absorption capacity and the moisture content of the aggregate. The moisture content of fine aggregates was determined by oven drying a sample of fine aggregate (500gm) in an oven at a temperature of 110 0c for 24 hrs and dividing the weight difference by the oven dry weight.
Apparatus: Weighing balance, pan for drying, soft towel, Electric oven.
Procedure:
1. 500g and 1000g of sample of fine and coarse aggregate was measured.
2. Both sample measured was immersed in water for 24hours
3. After 24hours the water was drain off from the sample
4. Towel was then used to towel-clean the samples.
5. The weight of oven dry sample was determined.
6. The ratio of increase in weight of aggregate due to water absorbtion was expressed in percentage.
3.2.5 Preparation of Concrete Specimens and Mixing Procedure
The Weight measurement was carried out for the preparation of the constituent. After determining the relative amount of materials to be used for the specimens, the aggregates, the cements and bagasse ash were mixed dry for one minute. After the addition of water, all the materials were mixed for another two minutes. Immediately after mixing the concrete, the workability is measured by using a slump cone. The specimens were then placed on a firm and level surface of prepared moulds (150mm x 150mm x 150mm) by compacting in two layers using Iron rod. After vibration the top surface is finished using a trowel. After 24 hours the specimens were demolded from the mold and were cured in a curing pond for 7,14,21 and 28 days.
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ABSRACT - [ Total Page(s): 1 ]ABSTRACTSugarcane Bagasse is the fibrous residue leftover when sugarcane is squeezed for its juice. Bagasse ash is obtained by subjecting Bagasse to calcinations using furnace. This work is aimed tat using Bagasse Ash as a replacement in the production of concrete.The bagasse was collected from dumped in a market in Kano and thereafter sun-drie to eliminate any trace of moisture. It was then taken to the blast furnace for calcinations(controlled burning) at a temperature of 1250OC for 25minutes. ... Continue reading---
LIST OF TABLES - [ Total Page(s): 1 ]LIST OF TABLETable 2.1 Typical composition of ordinary Portland cement Table 2.2 Chemical Requirement for pozzolan Table 3.2 Mix proportion for the concrete work Table 4.1 Physical properties of cement and Bagasse ash Table 4.2 Chemical composition of cement and SBA Table 4.3 Grain Size distribution for bagasse ash and OPC Cement Table 4.4 Sieve analysis results for fine aggregate Table 4.5 Sieve analysis results for coarse aggregate Table 4.6 Concrete Slum ... Continue reading---
LIST OF FIGURES - [ Total Page(s): 1 ]LIST OF FIGUREFigure 3.1 Diagram of sugarcane Bagasse ash Figure 4.1 Graph for gradation of Bagasse ash and cement Figure 4.2 Graph for sieve analysis of fine aggregate Figure 4.3 Graph for sieve analysis of coarse aggregate Figure 4.4 Concrete Slump Test Figure 4.4.1 Average Compressive Strength ... Continue reading---
TABLE OF CONTENTS - [ Total Page(s): 1 ]TABLE OF CONTENTTitled page Certification Dedication Acknowledgment Abstract Table of content List of Table List of Figure CHAPTER ONE: PREAMBLE 1.1 Preamble 1.2 Statement of problem 1.3 Aims and Objective 1.4 Justification 1.5 Scope of the study CHAPTER TWO: LITERATURE REVIEW2.1 Concrete 2.2 Properties of Concrete 2.2.1 Fresh properties 2.2.2 Hardened prope ... Continue reading---
CHAPTER ONE - [ Total Page(s): 2 ]CHAPTER ONEINTRODUCTION1.1 Preamble Concrete is the most commonly used construction material in the world. It is basically composed of two components: paste and aggregates. The paste which acts as binder contains cement, water and occasionally admixtures; the aggregate contains sand and gravel or crushed stone (Naik and Moriconi, 2003). The aggregate are relatively inert filler materials which occupy 70% to 80% of concrete and can therefore be expected to have influence on its prope ... Continue reading---
CHAPTER TWO - [ Total Page(s): 6 ]The most common classification of Portland cement is that of ASTM. It classifies Portland cement mainly into five groups (non-air entrained) differing only on the relative amount of the compounds and the degree of fineness. • ASTM type I cement is a general purpose Portland cement used when there is no special property required by the concrete. • ASTM type II cement is Moderate Portland cement. It is also a general-purpose cement to be used when moderate sulphate resistan ... Continue reading---
CHAPTER FOUR - [ Total Page(s): 7 ]Table 4.2.3 Sieve analysis results for coarse aggregate4.2.2 Results For Sieve Analysis Of Coarse AggregateThe Fine Modulus for Coarse Aggregate is 7.07 which falls within the range (6.5 to 8.00) as specified by ASTM C 33. Hence the soil is classified as Coarse Aggregate. ... Continue reading---
CHAPTER FIVE - [ Total Page(s): 1 ]CHAPTER FIVE5.0 CONCLUSION AND RECOMMENDATION 5.1 CONCLUSIONThe effects of sugar cane bagasse ash as supplementary cementations material in production of concrete was studied and after the research work was carried out, the following conclusions1. The chemical composition test reveals that the bagasse ash can be classified as pozzolana.2. The workability of concrete containing bagasse ash decreases slightly as the bagasse ash content increases w ... Continue reading---
REFRENCES - [ Total Page(s): 1 ]REFERENCESAbebe Dinku, The need for standardization of aggregates for concrete production in Ethiopian construction industry, Addis Ababa University department of civil engineering, may 2005.ACI Committee 232, “Use of Fly Ash in Concrete,†ACI Document 232.2R, Farmington Hills, MI, 1996. Abdolkarim Abbasi and Amin Zargar,†Using Baggase Ash in Concrete as Pozzolanâ€, Middle-East Journalof Scientific Research 13 (6):2013 pp716-719.ce Aderinola, O.S., Olofinsae, T.O ... Continue reading---
