In this lecture consolidation is explained.

1. 1
CE-313 (2 Credit Hours)
Geotechnical Engineering-II
Consolidation
Instructor:
Dr Irshad Ahmad
Lecture on 10-9-13
Department of Civil Engineering
University of Engineering and Technology, Peshawar

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CONTENTS

3. 3
Consolidation

4. 4
One-Dimensional Consolidation

5. 5
1D Oedometer Test-Procedure

6. 6
1D Oedometer Test-Procedure

7. 7
Lab e- curve

8. 8
Over-Consolidation Ratio OCR

9. 9
Preconsolidation Pressure (p)
 Casagrande Method

10. 10
Insitu e-log() Curve for NCC
 Schmertmann (1955) Procedure

11. 11
Insitu e-log() Curve for NCC

12. 12
Insitu e-log() Curve for OCC
 Schmertmann Procedure

13. 13
Insitu e-log() Curve for OCC
 Schmertmann Procedure

14. 14
Compression and recompression indices (Cc, Cr)

15. 15
Cc, Cr, and Cs

16. 16
Cc and Cr

17. 17
Values of Cc, Cr, and Cs

18. 18
Coefficient of Volume Compressibility (mv)

19. 19
1D Oedometer Test
Void Ratio at the end of each increment (2 ways)

20. 20
EXAMPLE

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Solution

22. 22
EXAMPLE

23. 23
EXAMPLE

24. 24
EXAMPLE

25. 25
EXAMPLE

26. 26
Consolidation Settlement-NCC

27. 27
Consolidation Settlement-OCC

28. 28
Consolidation Settlement-OCC

29. 29
EXAMPLE

30. 30
EXAMPLE

31. 31
EXAMPLE

32. 32
Strain-effective stress-time relations

33. 33
Consolidation History
 Loading History
 Compression History