Lectures of Earth Retaining Structures as a Compulsory Course for M. Engg Program at NEDUET, Karachi. Author: Engr. Shoaib Yaqub Asssitant Professor Department of Urban & Infrastructure Engineering NEDUET, Karachi. Note: Lectures have no copyrights and shared here as the gestures to share knowledge among the students and Engineering fraternity.

1. EARTH RETAINING STRUCTURES
C V - 5 4 0
Engr. Shoaib Yaqub
B.S (Civil), M.Engg (Geotech.)
Assistant Professor
N E D U n i v e r s i t y o f E n g i n e e r i n g & T e c h n o l o g y , K a r a c h i .
L e c t u r e – 0 1 & 0 2

2. IN THIS LECTURE YOU WILL FIND
• Types of Retaining Structure
1. Gravity Wall
2. Embedded Wall
3. Micropiles
4. Reinforced and Anchored Earth Wall

3. Types of Retaining Structures
TYPES OF RETAINING STRUCTURES

4. Introduction
• Retaining structures such as retaining walls, bulkheads,
basement walls, and bulkheads are commonly used to retain
soil mass and water.
• Some common Retaining Structures are discussed below for the
understanding.

5. 1. Gravity Wall
2. Embedded Wall
3. Micropiles
4. Reinforced and Anchored Earth Wall
Types of Earth Retaining Structures

6. Types of Retaining Structures
1- GRAVITY WALLS

7. Unreinforced Masonry Wall
1- GRAVITY WALLS – Masonry Wall

8. Unreinforced Masonry Wall
1- GRAVITY WALLS – Masonry Wall

9. Gabion wall
1- GRAVITY WALLS – Gabion Wall

10. Crib Wall
1- GRAVITY WALLS – Crib Wall

11. Crib Wall
1- GRAVITY WALLS – Crib Wall

12. Crib Wall
1- GRAVITY WALLS – Crib Wall

13. Types of RC Gravity Walls
1- GRAVITY WALLS – Concrete Walls

14. Types of RC Gravity Walls
1- GRAVITY WALLS – Concrete Walls

15. Types of RC Gravity Walls
1- GRAVITY WALLS – Concrete Walls

16. Types of RC Gravity Walls
1- GRAVITY WALLS – Concrete Walls

17. Types of Retaining Structures
2- EMBEDDED WALLS

18. 2- EMBEDDED WALLS – Secant Pile Wall

19. Natural Ground
WATER
2- EMBEDDED WALLS – Secant Pile Wall

20. Natural Ground
Natural Ground
2- EMBEDDED WALLS – Secant Pile Wall

21. Natural Ground
Natural Ground
2- EMBEDDED WALLS – Secant Pile Wall
Reinforced

22. 2- EMBEDDED WALLS – Secant Pile Wall
A BC

23. 2- EMBEDDED WALLS – Secant Pile Wall
A BC
PRIMARY
SECONDARY

24. 2- EMBEDDED WALLS – Secant Pile Wall
1. Guide wall Construction 2. Casing Installation

25. 2- EMBEDDED WALLS – Secant Pile Wall
3. Bore for Primary Pile 4. Pouring of Primary Pile

26. 2- EMBEDDED WALLS – Secant Pile Wall
5. Augering for Secondary Pile 6. Steel Cage placement

27. 2- EMBEDDED WALLS – Secant Pile Wall
7. Pouring of Secondary Pile 8. Repetition of Process

28. 2- EMBEDDED WALLS – Secant Pile Wall

29. 2- EMBEDDED WALLS – Secant Pile Wall
Bahria Icon Tower Site - Karachi

30. 2- EMBEDDED WALLS – Secant Pile Wall
Bahria Icon Tower Site - Karachi

31. 2- EMBEDDED WALLS – Contiguous Bored Pile

32. 2- EMBEDDED WALLS – Contiguous Bored Pile
• Construction Process is same as Secant Pile Wall.
• Steel is provided in each pile.
• No Primary or Secondary Pile.

33. 2- EMBEDDED WALLS – Diaphragm Wall

34. 2- EMBEDDED WALLS – Diaphragm Wall

35. 2- EMBEDDED WALLS – Diaphragm Wall

36. 2- EMBEDDED WALLS – Sheet Pile Wall

37. 2- EMBEDDED WALLS – Sheet Pile Wall

38. Types of Retaining Structures
3- MICRO PILES

39. 3- MICRO PILES

40. 3- MICRO PILES

41. 3- MICRO PILES
Piles

42. 3- MICRO PILES
Piles

43. Types of Retaining Structures
4- REINFORCED & ANCHORED WALL

44. Reinforced Soil

45. Reinforced Soil

46. Reinforced Soil

47. Reinforced Soil

48. Reinforced Soil

49. Types of RC Gravity Walls
SOIL NAILING

50. Types of RC Gravity Walls
SOIL NAILING

51. SOIL NAILING

52. SOIL NAILING

53. SOIL NAILING

54. SOIL NAILING

55. SOIL NAILING

56. SOIL NAILING

57. SOIL NAILING

58. 1. Gravity Wall
2. Embedded Wall
3. Micropiles
4. Reinforced and Anchored Earth Wall
LECTURE SUMMARY

59. Gravity Wall
Embedded Wall
Micropiles
Reinforced and Anchored Earth Wall
LECTURE SUMMARY