Geotechnical Investigation Result on Port Harcourt-Aba Road

Point

Atterberg Limit

Moisture Content %

Specific Gravity.

Standard Compaction

California Bearing Ratio (CBR) (%)

SEC. DIV.

Plastic Limit (%)

Liquidity Limit (%)

Plasticity Index

Maximum Dry Density (g/cm³)

Optimum Moisture Content (OMC) %

CBR Soaked

Av. Moisture Content (%)

CBR Value (%)

1

A

27

55

28

34.20

2.53

1.8

12.00

13.0

9.2

2

30

54

24

37.10

2.55

1.77

11.20

3

26

43

17

32.70

2.51

1.82

13.10

4

26

44

18

32.50

2.45

1.73

15.20

5

B

19

38

19

30.80

2.49

1.74

14.30

15.0

5.0

6

32

56

24

34.10

2.49

1.76

13.40

7

33

53

20

36.20

2.42

1.83

15.30

8

23

45

22

36.90

2.37

1.67

17.20

9

C

26

52

26

30.90

2.55

1.72

11.50

13

3.5

10

28

54

26

30.80

2.54

1.71

11.30

11

31

51

20

31.00

2.5

1.80

13.20

12

30

49

19

33.30

2.41

1.62

15.30

13

D

25

46

21

31.20

2.43

1.70

15.30

15.0

8.9

14

27

46

19

33.30

2.41

1.71

13.30

15

28

53

25

40.40

2.46

1.85

15.10

16

29

55

26

32.60

2.38

1.66

17.10

17

E

31

64

33

33.70

2.41

1.76

15.70

16

4.5

18

31

52

21

30.00

2.47

1.66

14.20

19

39

64

25

33.50

2.4

1.83

16.10

20

29

61

32

38.10

2.35

1.62

18.20