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INVESTIGATION OF CRUSHABILITY OF CONCRETE OF DIFFERENT GRANITE AGGREGATE SIZES USING IMPACT TEST

  • Type:Project
  • Pages:56
  • Format:Microsoft Word
(Civil Engineering Project Topics & Materials)

TABLE OF CONTENT

TITLE                                                                                                                        PAGE

CERTIFICATION                                                                                                     ii

DEDICATION                                                                                                        eiii

ACKNOWLEDGEMENT                                                                                         iv

TABLE OF CONTENT                                                                                             v

LIST OF TABLES                                                                                                     viii

LIST OF FIGURES                                                                                                   ix

LIST OF PLATES                                                                                                      x

ABSTRACT                                                                                                               xi

CHAPTER ONE

INTRODUCTION                                                                                                    1

1.1              Scope of the Project                                                                                                  2

1.1.1         Aim                                                                                                     2

1.1.2         Objectives of the Project                                                                    2

1.1.3         Justification                                                                                        3

CHAPTER TW0

LITERATURE REVIEW                                                                                       4

2.1       Introduction                                                                                                    4

2.2       Origin and Geological Properties of Granite Rock                                         4

2.2.1    Mineral Composition                                                                          5    

                  2.2.2    Chemical Composition                                                     5

2.3       Physical Properties of Rock (Granite)                                                            6

2.3.1    Density                                                                                                6

2.3.2    Porosity                                                                                               7

2.3.3    Permeability                                                                                        7

2.3.4    Texture                                                                                                8

2.4       Mechanical properties of Granite Rock                                                          8

2.4.1    Strength                                                                                              8

2.4.1.1 Compressive Strength                                                             9

2.4.1.2 Hardness                                                                                 10

2.4.2    Crushing Strength                                                                               12

2.4.2.1 Aggregate crushing value                                                       12

2.4.2.2 Aggregate impact value                                                          12

2.4.3    Abrasion Resistance Test                                                        13

2.4.4    Impact drop weight test                                                                      14

2.4.5    Hardness Test                                                                                     15

2.4.5.1 DESCRIPTION                                                             16

CHAPTER THREE

RESEARCH AND METHODS                                                                              17

3.1       Sample Collection and Preparation                                                                 17

3.2       Laboratory Investigations                                                                               17

3.2.1    Impact test                                                                                          18

3.2.2    Crushing                                                                                              19

CHAPTER FOUR

RESULTS AND DISCUSSION                                                                              20

4.1       Results                                                                                                           20

4.1.1    Sieve Analysis of Aggregates after Impact Loading Test                  20

4.1.2    Graph of 50% passing from impact loading against sieve sizes         24

4.1.3    Graph of 50% passing from milling against aggregate sizes               25

4.2       DISCUSSION                                                                                                  25

CHAPTER FIVE

5.1       CONCLUSION                                                                                             28

5.2       RECOMMENDATION                                                                               28

REFERENCES                                                                                                        30

APPENDIX                                                                                                               32

 

 

 

 

 

 

 

LIST OF TABLES

Table 2.1:       Percentage Composition of Mineral Constituent of Granite Rock     6

Table 2.2:       Classification of uniaxial compressive strength                                  10

Table 2.3:       Mohr’s Hardness Scale                                                                       11

Table 4.1:       Table of impact loading test on concrete cubes                                  35

Table 4.1a:     Table of sieve analysis obtained from 12.50mm aggregate size         36

Table 4.1b:     Table of sieve analysis obtained from 10.00mm aggregate size         37       

Table 4.1c:      Table of sieve analysis obtained from 5.00mm aggregate size           38

Table 4.1d:     Table of sieve analysis obtained from 4.00mm aggregate size           39

Table 4.1e:      Table of sieve analysis obtained from 3.00mm aggregate size           40

Table 4.1f:      Table of sieve analysis obtained from 2.36mm aggregate size           41

Table 4.1g:     Table of sieve analysis obtained from 1.12mm aggregate size           42

Table 4.1h:     Table of sieve analysis obtained from 0.60mm aggregate size           43

Table 4.1i:      Table of 50% passing of aggregate from Impact loading                   44

Table 4.1j:      Table of different aggregate sizes with 50% passing

from milling                                                                                        45

 

 

 

 

 

 

 

LIST OF FIGURES

Fig.3.1:       Particle sizes                                                                                            17

Fig.4.1a:     Graph of % passing against sieve size for 12.50 mm aggregate size       20

Fig.4.1b:     Graph of % passing against sieve size for 10.00 mm aggregate size       21

Fig.4.1c:     Graph of % passing against sieve size for 5.00 mm aggregate size         21

Fig.4.1d:     Graph of % passing against sieve size for 4.00 mm aggregate size         22

Fig.4.1e:     Graph of % passing against sieve size for 3.00 mm aggregate size         22

Fig.4.1f:      Graph of % passing against sieve size for 2.36 mm aggregate size         23

Fig.4.1g:     Graph of % passing against sieve size for 1.12 mm aggregate size         23

Fig.4.1h:     Graph of % passing against sieve size for 0.60 mm aggregate size         24

Fig.4.1i:      Graph of 50%Passing from Impact Loading against Sieve Sizes           24

Fig.4.1r:     Graph of 50%Passing from Milling against Aggregate Sizes                 25

 

 

 

 

 

 

 

 

 

LIST OF PLATES

Plate 1.0:         Curing tank                                                                                         32

Plate 2.0:        Picture of concrete cubes after curing                                                            32

Plate 3.0          Impact loading test                                                                             33

Plate 4.0:         Sieve Shaker                                                                                       33

Plate 5.0:        Ball milling Machine                                                                           34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ABSTRACT

The effect of crushed granite aggregate sizes for concrete work is investigated in this paper. Normal concrete is being produced from different aggregate sizes and this produce different property to the resulting concrete. For the purpose of this work, eight aggregate sizes of 12.5 mm, 10.0 mm, 5.0 mm, 4.0 mm, 3.0 mm, 2.36 mm, 1.12 mm and 0.6 mm from crushed granite were used. The fine aggregate is normal sand obtained from a borrow pit. Test conducted include sieve analysis. Nominal mix (1:2:4) was adopted for this work and mix composition were calculated by absolute volume method. For each of the crushed aggregate sizes, 8 cubes (100x100mm) were cast and cure for 28day. Thereafter, some laboratory tests such as Aggregate Crushing Value test (ACV), Aggregate Impact Value test (AIV), Uniaxial Compressive Strength (UCS) test, Abrasive test, Hardness test and Drilling test were conducted on atleast (1) cube from each aggregate sizes to determine their mechanical properties, Impact test were conducted on them to determine their effect on crushability. It is observed from the analysis of available data in this work that strength of concrete cubes increased with increase in aggregate sizes while crushability of concrete cubes increase with decrease in aggregate sizes.

INVESTIGATION OF CRUSHABILITY OF CONCRETE OF DIFFERENT GRANITE AGGREGATE SIZES USING IMPACT TEST

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Details

Type Project
Department Civil Engineering
Project ID CVE0118
Price ₦3,000 ($9)
No of Pages 56 Pages
Format Microsoft Word

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    Details

    Type Project
    Department Civil Engineering
    Project ID CVE0118
    Price ₦3,000 ($9)
    No of Pages 56 Pages
    Format Microsoft Word

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