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ABSTRACT

 I constructed manual gravel grading machine by following process. The design was done before started cutting the angle iron of from the frame as a support to the machine and welded, bearing and bearing housing was welded for rotation and pass the mild steel rod for turning the cylinder drum mum turning the handle, the cylinder drum is perforated holes of sieves for about Ø6mm, Ø68mm/ Ø10gm and constructed collection tray for grading particles the test rum was carried – out by tested gravel from I.M.T campus III, Ngwo, Aguobuow with result of sample from Ngwo smaller than samples from IMT campus III and Aguobuowa and particles less than 6mm, 8mm and 10mm pass through them but 7/10mm discharge through outlet.

 

 

TABLE OF CONTENTS

CHAPTER ONE

INTRODUCTION

1.1    Background of the Study

1.2    Statement of the Problem

1.3    Objective of the Study

1.4    Significance of the Study

CHAPTER TWO

LITERURE REVIEW

2.1    Definition of Gravel

2.2    Uses of Gravel

2.3.0 Gravel Grading Devices

2.3.1 Mechanical Method

2.3.2 Tradition Method

CHAPTER THREE

CONSTRUCTION METHODOLOGY AND MATERIALS.

3.1    The Shaft / Handle

3.2    The stand / Frame

3.3    The Bearings / Bearing Housing

3.4    The Sieved Cylinder

3.5    The Collection Tray

CHAPTER FOUR

USES AND TEST-RUN EVALUATION RESULTS

4.1    Uses of the Constructed Machine

4.2.0 Test Run Evaluation

4.2.1 With Gravel Samples form I.M.T Campus III

4.2.2 With Gravel Samples from Ngwo

4.2.3 With Gravel Samples from Eguobuow

4.2.4 With Gravel Sample from Nsukka

4.3.   Approval of Test-Run Result

CHAPTER FIVE

SUMMARY, CONCLUSION AND RECOMMENDATION

5.1    Summary

5.2    Conclusion

5.3    Recommendation

          References      

 

CHAPTER ONE

1. BACKGROUND OF THE STUDY

The machine was initially designed before fabricated purposely for gravel separation, it was frame with angle iron with measurement to 6inch which carry the machine,

Secondly construct the collection tray with apartment after welded.  

Thirdly, the bearing and bearing housing attached rotation of cylinder drum through help of shaft / handle. The shaft (mold started) used to guide cylinder drum before pass through baring and weld handle, the cylinder drum was perforated for serves diameter the 10mm, before finally assemblage the pars.

 

1. STATEMENT OF THE PROBLEM

The main problem is the cost and is considering to importing foreign machine increases foreign economy while our economy reducing at the same time, in respect to performance, early manual gravel grading machine is imperfectly to separate gravel aggregates before after successful research made through constructing it by mechanical services to affair a required separation. It usually manual operation which consume greatest energy and from the machine tear and minced with gavel as a result of irrelevance material used of fabricate. As a problem it has noisy obratian and breading of bigger particles on smaller services to prevent pass.

 

1. OBJECTIVE OF THE STUDY

The objection of the project is to acquire expertise in the construction of manual gravel grading machine and further having different size of gravel aggregates which hell builders in building construction in chosen the comet particle, it is also to remove unwanted coarse and pure from impunities, where the objective of this project is to provide an efficient of high work done.

 

1. SIGNIFICANT OF THE STUDY

Before, builder used mixed of different sizes of gravel to build but now, manual gravel grading machine is using to separate gravel aggregate according to sieves for specific used about diameters of 6mm, 10mm and /10mm and separate particles of impunities from gravel aggregate. It improves building technology and very cheap to maintain with the used of these machine it serves time and operates without used of any chemical energy which totally reduces labourers