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The design of earth-retaining structures - Lecture 1
- 1. The Design of Earth-retaining Structures ENB485 Chris Bridges May 2016 Lecture 1 Types of Earth-retaining Structures
- 2. Outline of Presentation Types of earth-retaining structures Embedded retaining walls – Secant walls – Contiguous walls – Diaphragm walls – Deep soil mixing – Sheet pile walls / Combi walls – Soldier Piles Gravity walls – L-shaped reinforced concrete – Mass gravity – Crib walls – Masonry/boulder walls – Soil nailing – Reinforced soil Micropiles Wall selection 5 May 2016 QUT ENB485 2
- 3. References • “Guide to Retaining Wall Design”. Geoguide 1, Geotechnical Engineering Office, Hong Kong • “Embedded retaining walls – guidance for economic design”. CIRIA C580, 2003 • “Embedded retaining walls-theory, practice and understanding”. B. Simpson and W. Powrie. Proc. 15th Int. Conf. Soil Mechanics & Foundation Eng., Istanbul, Vol. 4. • “Earth Retaining Structures”. B.F. Tanyu, P.J. Sabatini, & R.R. Berg. FHWA-NHI-07-071. National Highway Institute, Federal Highway Administration. 5 May 2016 QUT ENB485 3
- 4. 01 Types of earth- retaining structure
- 5. 5 May 2016 QUT ENB485 5 Fill Walls RC Wall Mass Gravity Wall Crib Wall Gabions Reinforced Soil Wall Insitu Walls/ Cuts Soil Nailed Wall Embedded Wall
- 6. 5 May 2016 QUT ENB485 6 RSS – Reinforced soil structures Proprietary products
- 7. 5 May 2016 QUT ENB485 7
- 9. 5 May 2016 QUT ENB485 9
- 10. Secant Pile Wall 5 May 2016 QUT ENB485 10
- 11. Secant Pile Wall 5 May 2016 QUT ENB485 11
- 12. Secant Pile Wall 5 May 2016 QUT ENB485 12
- 13. Secant Pile Wall 5 May 2016 QUT ENB485 13
- 14. Secant Pile Wall 5 May 2016 QUT ENB485 14
- 15. Secant Pile Wall http://www.secantpile.com/sites/secantpiles/caststudies.aspx 5 May 2016 QUT ENB485 15
- 16. Contiguous Bored Pile Wall 5 May 2016 QUT ENB485 16
- 17. Contiguous Bored Pile Wall 5 May 2016 QUT ENB485 17
- 18. Contiguous Bored Pile Wall 5 May 2016 QUT ENB485 18
- 19. Contiguous Bored Pile Wall 5 May 2016 QUT ENB485 19
- 20. Contiguous Bored Pile Wall 5 May 2016 QUT ENB485 20
- 21. Contiguous Bored Pile Wall 5 May 2016 QUT ENB485 21
- 22. CFA Piling 5 May 2016 QUT ENB485 22
- 23. 5 May 2016 QUT ENB485 23 BG28 Piling Rig CFA Piling Rig
- 24. 5 May 2016 QUT ENB485 24
- 25. Diaphragm Wall 5 May 2016 QUT ENB485 25
- 26. Diaphragm Wall 5 May 2016 QUT ENB485 26
- 27. Diaphragm Wall 5 May 2016 QUT ENB485 27
- 28. Diaphragm Wall 5 May 2016 QUT ENB485 28
- 29. Diaphragm Wall 5 May 2016 QUT ENB485 29
- 30. Deep soil mixing 5 May 2016 QUT ENB485 30
- 31. Sheet Pile Wall 5 May 2016 QUT ENB485 31
- 32. Sheet Pile Wall 5 May 2016 QUT ENB485 32
- 33. Sheet Pile Wall 5 May 2016 QUT ENB485 33
- 34. Sheet Pile Wall 5 May 2016 QUT ENB485 34
- 35. Sheet Piles with tie-backs Cost effective height – 2m to 5m cantilevered 5m to 20m anchored 5 May 2016 QUT ENB485 35
- 36. Giken Silent Piling 5 May 2016 QUT ENB485 36
- 37. Combi walls 5 May 2016 QUT ENB485 37
- 38. Soldier Piles 5 May 2016 QUT ENB485 38 Typical detail – H-Pile placed into a pre-drilled borehole and backfilled with concrete
- 39. Soldier Piles 5 May 2016 QUT ENB485 39
- 40. 03 Gravity walls
- 41. 5 May 2016 QUT ENB485 41
- 42. L-Shaped Walls 5 May 2016 QUT ENB485 42
- 43. L-Shaped Walls 5 May 2016 QUT ENB485 43
- 44. Concrete Mass Gravity 5 May 2016 QUT ENB485 44
- 45. Concrete Mass Gravity 5 May 2016 QUT ENB485 45
- 46. Concrete Mass Gravity 5 May 2016 QUT ENB485 46
- 47. Crib Walling 5 May 2016 QUT ENB485 47
- 48. Crib Walling Usually manufacturers design Cost effective heights 2m to 11m 5 May 2016 QUT ENB485 48
- 49. Masonry Wall 5 May 2016 QUT ENB485 49
- 50. Boulder Wall 5 May 2016 QUT ENB485 50
- 51. Soil Nailing 5 May 2016 QUT ENB485 51
- 52. Soil Nailing 5 May 2016 QUT ENB485 52
- 53. Reinforced Soil Cost effective height 2m to 20m 5 May 2016 QUT ENB485 53
- 54. Shored Mechanically Stabilized Earth (SMSE) Wall Shored Mechanically Stabilized Earth (SMSE) Wall Systems Design Guidelines FHWA, 2006 5 May 2016 QUT ENB485 54
- 55. 04 Micropiles
- 56. Micropiles 5 May 2016 QUT ENB485 56 NOT A WALL!!
- 57. Micropiles 5 May 2016 QUT ENB485 57 Protects the road, but the slope beneath the road is not supported
- 58. Micropiles 5 May 2016 QUT ENB485 58
- 59. Micropiles 5 May 2016 QUT ENB485 59
- 60. Micropiles 5 May 2016 QUT ENB485 60
- 61. Micropiles 5 May 2016 QUT ENB485 61
- 62. Micropiles - alternatives 5 May 2016 QUT ENB485 62
- 64. 5 May 2016 QUT ENB485 64
- 65. 5 May 2016 QUT ENB485 65
- 66. 5 May 2016 QUT ENB485 66
- 67. Ref.: NAVFAC (1982) – “DM 7.1 Soil Mechanics”. US Dept of Navy, Naval Facilities Engineering Command, VA
- 68. 5 May 2016 QUT ENB485 68
- 69. 5 May 2016 QUT ENB485 69
- 70. 5 May 2016 QUT ENB485 70
- 71. 5 May 2016 QUT ENB485 71