39

APPENDIX – A: TABLES

40

Table 4.1: Index Properties of Black Cotton Soil

S. No. Property Description

1. Shape Triangular

2. Cut length 6mm, 12mm

3. Effective Diameter 25-40µm

4. Specific Gravity 0.90-0.91

5. Melting Point 160-165oC

6. Tensile Strength 320-490 MPa

7. Young’s Modulus > 4000 MPa

Table 4.2: Properties of Polypropylene Fibre

PHYSICAL

PROPERTIES

VALUE

GRAIN SIZE

DISTRIBUTION DATA

GRAVEL (%) 0

SAND (%) 0

CLAY+SILT (%) 100

SPECIFIC GRAVITY 2.56

LIQUID LIMIT 63

PLASTIC LIMIT 25

PLASTICITY INDEX 38

IS CLASSIFICATION CH

OMC (%) 24

MDD (g/cc) 1.588

41

SAMPLE

DESCRIPTION

COMPACTION

PROPERTIES

PERCENTAGE OF ADDITIVE

0% 0.05% 0.10% 0.15% 0.20% 0.25%

PARENT SOIL

+

POLYPROPYLENE

FIBRE (6mm)

OMC

(%) 24 25 25.68 24.34 22.68 25

MDD

(g/cc) 1.588 1.566 1.552 1.588 1.589 1.579

PARENT SOIL

+

POLYPROPYLENE

FIBRE (12mm)

OMC

(%) 24 23 23.85 23.5 23 22.17

MDD

(g/cc) 1.588 1.591 1.595 1.582 1.578 1.605

Table 4.3: Compaction Characteristics of Soil Stabilized With Polypropylene Fibre

42

Variation of specimen heave with time (Table 4.4 to 4.14)

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 10.95 10.95 0

0.5 10.95 11.15 0.2

1 11.15 11.3 0.35

2 11.3 11.38 0.43

4 11.38 11.57 0.62

8 11.57 11.715 0.765

20 11.715 11.735 0.785

24 11.735 11.79 0.84

32 11.79 11.8 0.85

44 11.8 11.8 0.85

56 11.8 11.82 0.87

68 11.82 11.82 0.87

Table 4.4: Sample 1 (PARENT SOIL)

43

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 12.43 12.43 0

0.5 12.43 12.43 0

1 12.43 12.47 0.04

2 12.47 12.5 0.07

4 12.5 12.54 0.11

8 12.54 12.55 0.12

20 12.55 12.63 0.2

24 12.63 12.66 0.23

32 12.66 12.68 0.25

44 12.68 12.71 0.28

56 12.71 12.72 0.29

68 12.72 12.72 0.29

Table 4.5: Sample 2 (BCS + 0.05%PPF (6mm))

44

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 12.87 12.87 0

0.5 12.87 13.05 0.18

1 13.05 13.125 0.255

2 13.125 13.14 0.27

4 13.14 13.17 0.3

8 13.17 13.195 0.325

20 13.195 13.2 0.33

24 13.2 13.215 0.345

32 13.215 13.225 0.355

44 13.225 13.23 0.36

56 13.23 13.23 0.36

68 13.23 13.23 0.36

Table 4.6: Sample 3 (BCS + 0.1% PPF (6mm))

45

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 13.37 13.37 0

0.5 13.37 13.48 0.11

1 13.48 13.565 0.195

2 13.565 13.66 0.29

4 13.66 13.79 0.42

8 13.79 13.82 0.45

20 13.82 13.91 0.54

24 13.91 13.91 0.54

32 13.91 13.97 0.6

44 13.97 13.99 0.62

56 13.99 13.99 0.62

68 13.99 13.99 0.62

Table 4.7: Sample 4 (BCS + 0.15%PPF (6mm))

46

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 19.46 19.46 0

0.5 19.46 19.6 0.14

1 19.6 19.69 0.23

2 19.69 19.8 0.34

4 19.8 19.97 0.51

8 19.97 20.06 0.6

20 20.06 20.13 0.67

24 20.13 20.21 0.75

32 20.21 20.23 0.77

44 20.23 20.3 0.84

56 20.3 20.39 0.93

68 20.39 20.47 1.01

Table 4.8: Sample 5 (BCS + 0.2% PPF (6mm))

47

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 12.58 12.58 0

0.5 12.58 12.85 0.27

1 12.85 12.9 0.32

2 12.9 12.94 0.36

4 12.94 12.96 0.38

8 12.96 12.98 0.4

20 12.98 13.04 0.46

24 13.04 13.04 0.46

32 13.04 13.04 0.46

44 13.04 13.04 0.46

56 13.04 13.04 0.46

68 13.04 13.04 0.46

Table 4.9: Sample 6 (BCS + 0.25% PPF (6mm))

48

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 12.55 12.55 0

0.5 12.55 12.6 0.05

1 12.6 12.65 0.1

2 12.65 12.73 0.18

4 12.73 12.76 0.21

8 12.76 12.83 0.28

20 12.83 12.9 0.35

24 12.9 12.9 0.35

32 12.9 12.94 0.39

44 12.94 12.95 0.4

56 12.95 12.95 0.4

68 12.95 12.95 0.4

Table 4.10: Sample 7 (BCS + 0.05% PPF (12mm))

49

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 14.44 14.44 0

0.5 14.44 14.58 0.14

1 14.58 14.68 0.24

2 14.68 14.77 0.33

4 14.77 14.8 0.36

8 14.8 14.9 0.46

20 14.9 15.01 0.57

24 15.01 15.05 0.61

32 15.05 15.06 0.62

44 15.06 15.09 0.65

56 15.09 15.09 0.65

68 15.09 15.09 0.65

Table 4.11: Sample 8 (BCS + 0.1%PPF (12mm))

50

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 11.78 11.78 0

0.5 11.78 11.93 0.15

1 11.93 11.98 0.2

2 11.98 12.04 0.26

4 12.04 12.11 0.33

8 12.11 12.16 0.38

20 12.16 12.34 0.56

24 12.34 12.375 0.595

32 12.375 12.39 0.61

44 12.39 12.41 0.63

56 12.41 12.41 0.63

68 12.41 12.41 0.63

Table 4.12: Sample 9 (BCS + 0.15% PPF (12mm))

51

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 13.45 13.45 0

0.5 13.45 13.53 0.08

1 13.53 13.53 0.08

2 13.53 13.53 0.08

4 13.53 13.6 0.15

8 13.6 13.69 0.24

20 13.69 13.74 0.29

24 13.74 13.74 0.29

32 13.74 13.75 0.3

44 13.75 13.75 0.3

56 13.75 13.79 0.34

68 13.79 13.79 0.34

Table 4.13: Sample 10 (BCS + 0.2% PPF (12mm))

52

Time (hrs) Initial dial gauge

reading (mm)

Final dial gauge

reading (mm) Expansion (mm)

0 9.99 9.99 0

0.5 9.99 10.31 0.32

1 10.31 10.49 0.5

2 10.49 10.69 0.7

4 10.69 10.92 0.93

8 10.92 11.07 1.08

20 11.07 11.17 1.18

24 11.17 11.18 1.19

32 11.18 11.2 1.21

44 11.2 11.23 1.24

56 11.23 11.24 1.25

68 11.24 11.24 1.25

Table 4.14: Sample 11 (BCS + 0.25% PPF (12mm))

53

Compression of expanded specimen w.r.t. load intensity (Table 4.15 - 4.25)

Load intensity (kg/cm2) Compression (mm)

0.06 0.87

0.11 0.87

0.26 0.84

0.51 0.68

1.02 0.29

2.015 -0.66

Table-4.15: Sample-1 (Parent Soil)

Load intensity (kg/cm2) Compression (mm)

0.06 0.29

0.11 0.29

0.26 0.2

0.51 -0.01

Table-4.16: Sample-2 (BCS+ 0.05% PPF (6mm)

Load intensity (kg/cm2) Compression (mm)

0.06 0.36

0.11 0.36

0.26 0.23

0.51 -0.04

Table-4.17: Sample-3 (BCS+ 0.1% PPF (6mm))

Load intensity (kg/cm2) Compression (mm)

0.06 0.62

0.11 0.62

0.26 0.6

0.51 0.355

1.02 -0.63

Table-4.18: Sample-4 (BCS+ 0.15 % PPF (6mm))

54

Load intensity (kg/cm2) Compression (mm)

0.06 1.01

0.11 1.01

0.26 1.01

0.51 0.8

1.02 0.48

2.015 0.04

4.002 -0.71

Table-4.19: Sample-5 (BCS+ 0.20% PPF (6mm))

Load intensity (kg/cm2) Compression (mm)

0.06 0.46

0.11 0.46

0.26 0.37

0.51 0.175

1.02 -0.12

Table-4.20: Sample-6 (BCS+ 0.25% PPF (6mm))

Load intensity (kg/cm2) Compression (mm)

0.06 0.4

0.11 0.38

0.26 0.28

0.51 0.2

1.02 -0.07

Table-4.21: Sample-7 (BCS+ 0.05% PPF (12mm))

55

Load intensity (kg/cm2) Compression (mm)

0.06 0.65

0.11 0.65

0.26 0.61

0.51 0.44

1.02 0.32

2.015 -0.09

Table-4.22: Sample-8 (BCS+ 0.1% PPF (12mm))

Load intensity (kg/cm2) Compression (mm)

0.06 0.63

0.11 0.63

0.26 0.61

0.51 0.39

1.02 -0.04

Table-4.23: Sample-9 (BCS+ 0.15% PPF (12mm))

Load intensity (kg/cm2) Compression (mm)

0.06 0.34

0.11 0.34

0.26 0.34

0.51 0.24

1.02 0.01

2.015 -0.43

Table-4.24: Sample-10 (BCS+ 0.2% PPF (12mm))

56

Load intensity (kg/cm2) Compression (mm)

0.06 1.25

0.11 1.25

0.26 1.12

0.51 0.91

1.02 0.81

2.015 0.38

4.002 -0.87

Table-4.25: Sample-11 (BCS+ 0.25 % PPF (12mm))

PERCENTAGE OF

POLYPROPYLENE

FIBRE

SAMPLE DESCRIPTION

PARENT SOIL

+

PPF (6mm)

PARENT SOIL

+

PPF (12mm)

0% 0.87 0.87

0.05% 0.29 0.4

0.1% 0.36 0.65

0.15% 0.62 0.63

0.2% 1.01 0.34

0.25% 0.46 1.25

Table 5.1: ∆H (Change in thickness) of Fibre Reinforced Soil (mm)

57

PERCENTAGE OF

POLYPROPYLENE

FIBRE

SAMPLE DESCRIPTION

PARENT SOIL

+

PPF (6mm)

PARENT SOIL

+

PPF (12mm)

0% 3.48% 3.48%

0.05% 1.16% 1.6%

0.1% 1.44% 2.6%

0.15% 2.48% 2.52%

0.2% 4.04% 1.36%

0.25% 1.84% 5%

Table 5.2: Swell Potential (%) of Fibre Reinforced Soil

PERCENTAGE OF

POLYPROPYLENE

FIBRE

SAMPLE DESCRIPTION

PARENT SOIL

+

PPF(6mm)

PARENT SOIL

+

PPF(12mm)

0% 1.3162 1.3162

0.05% 0.4902 0.8868

0.1% 0.4478 1.8586

0.15% 0.7256 0.9111

0.2% 2.0776 1.0333

0.25% 0.7233 2.9044

Table 5.3: Swell Pressure (kg/cm2) of Fibre Reinforced Soil