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EFFECT OF QUARRY DUST ON THE ENGINEERING PROPERTIES OF LATERITIC SOILS
ABSTRACT
This research work involves the improvement of the engineering properties of laterite soil by stabilization with quarry dust on fines. The laterite used for this research work will be collected at Osogbo. The sample will be subjected to laboratory tests at the Civil Engineering Department Laboratory Futa, Akura and Osun State Ministry of Works and Transport, Osogbo. The tests will be carried out on both the natural sample and the improved sample and will include: moisture content, specific gravity, grain size distribution, Atterberg’s limits, compaction and California Bearing Ration (CBR) tests both before adding quarry dust and after adding a varying percentage and proportion of quarrying dust. The result of natural sample and improve sample indicate that it could be used to alter and make up for the deficiencies in the particles sizes. If the laterite thereby increasing the potential for use as base material. The result of moisture content is a decrease on the optimum moisture content for laterite cement mixture as the quarry dust content increases. This because the quantity of laterite that contains clayey particles, which requires water for the bonding action is reducing thereby needing less water for hardening . the result on consistency limits decrease in the consisting properties, quarry dust alter, the graduation of the laterite while cement is used to bind the mixture together, which in turn reduces the liquid limit, plastic limit, linear shrinkage of the resulting mixture. The result (CBR) is the clay fraction in the mixture is decreased due to increase in quarry which earlier on was done by the clay fraction at lower percentage of quarry dust on the laterite quarry dust mixtures. The granite in the quarry dust adds strength and rigidity to the mixtures the quantity of the quarry dust increases.
TABLE OF CONTENTS
Contents Page
Title page i
Dedication ii
Abstract iii
Acknowledgement iv
Certification v
Table of Content vi
List of Tables ix
CHAPTER ONE
INTRODUCTION
1.1 Background of the Study
1.2 Statement of the Problem
1.3 Aim and Objectives
1.4 Significance of the Study
1.5 Scope of the Study
CHAPTER TWO
LITERATURE REVIEW
- Preamble
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Soil improvement techniques or stabilization
- Types of improvement techniques or stabilization
- Types of chemical stabilizers
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Quarry fines or dust
- Components of quarry dust
- Uses of quarry dust
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Clay
- Groups of clay
- Uses of clay
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Soil
- Soil profile
- Clay and quarry fines stabilization
2.6 Review of literature
CHAPTER THREE
PROJECT METHODOLOGY
- Method of study
- Collection of sample
- Preparation of soil sample
- Laboratory test on soil sample
- Sieve analysis (BS1377: Part 2, 1990)
- Natural moisture cement test
- Specific gravity test
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Atterberg’s limit (Bs1377:Part2, 1990) WAS
- Liquid limit test (BS1377:Part2, 1990)
- Plastic limit test (BS1377: Part2, 1990)
- Shrinkage limit test (BS1377:part2, 1990)
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Composition test (BS1377:Part 4, 1990)
- British standard method of compaction
- California Bearing ratio (CBR) Test (BS1377:Part 4, 1990)
- Laboratory tests on the stabilized soil samples
CHAPTER FOUR
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Identification of sample
- Oxide composition analysis
- Additive on consistency limits of cement stabilized
- Additive on optimum moisture content and maximum dry density of cement stabilized
- Unconfirmed compressive strength of cement stabilized
- Additive on durability of cement stabilized
- Additive on the California bearing ratio of cement stabilized
CHAPTER FIVE
- Conclusion and recommendation
5.1 Conclusion
5.2 Recommendation
References
