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Design of earth-retaining structures - Lecture 8
- 1. The Design of Earth-retaining Structures ENB485 Chris Bridges May 2016 The Design of Earth-retaining Structures ENB485 Chris Bridges The Design of Earth-retaining Structures ENB485 Chris Bridges The Design of Earth-retaining Structures ENB485 Chris Bridges May 2016 Lecture 8 Design of Earth-retaining Structures Design and Construction Failures
- 3. Reinforced soil structures May 2016 ENB 485 3
- 4. Reinforced soil structures May 2016 ENB 485 4
- 5. Reinforced soil structures May 2016 ENB 485 5
- 6. Reinforced soil structures May 2016 ENB 485 6
- 7. Reinforced soil structures May 2016 ENB 485 7
- 8. Reinforced soil structures What happened? May 2016 ENB 485 8
- 9. Other Examples Geogrid should overlap Connection details are important May 2016 ENB 485 9
- 10. Extreme flood event – Bundaberg 2013 May 2016 ENB 485 10
- 11. Guangxi, China
- 12. Guangxi, China
- 16. What Happened? Ref.: New Civil Engineer International, May 2005, pp4-7
- 17. Conclusions Inadequate design and design review Poor construction supervision & sequencing Ignoring monitoring data May 2016 ENB 485 17
- 19. Year: 1994 Location/Incident: Kwun Lung Lau Landslide Size: 1,000 m3 Casualties: 5 fatalities 11SW-A/R309 May 2016 ENB 485 19
- 21. What Happened? May 2016 ENB 485 21
- 27. 0.75 m May 2016 ENB 485 27
- 28. Consequences Review of masonry walls where evidence of stability relied solely on as-built records Bus shelters and any form of shelter from the rain considered at high risk Water bearing services in or at the crest of slopes to be inspected – Drainage Orders May 2016 ENB 485 28
- 30. Don’t design in isolation May 2016ENB 485 30
- 31. Don’t design in isolation May 2016ENB 485 31
- 32. References Bowles J E (1997) – “Foundation Analysis and Design”. 5th edition, McGraw- Hill NAVFAC (1982) – “DM 7.1 Soil Mechanics”. US Dept of Navy, Naval Facilities Engineering Command, VA. Terzaghi K and Peck R B (1967) – “Soil Mechanics in Engineering Practice, 2nd Ed., John Wiley & Sons Craig RF (1997) – Soil Mechanics – 6th Ed., Spon Press Clayton, C R I, Milititsky, J, & Woods, R I (1993) - Earth Pressure and Earth- retaining Structures – 2nd Ed., Blackie Academic & Professional, Glasgow Oliphant, J (1997) – The outline design of earth retaining walls – Ground Engineering, Sept. 1997, pp53-58 Gaba, A R, Simpson, B, Powrie, W, & Beadman, D R (2003) – “Embedded retaining walls – guidance for economic design” – CIRIA Report C580, CIRIA, London May 2016 ENB 485 32
- 33. Web References Geotechnical Publications Hong Kong Government Webpage for Geoguides, Geospecs and other publications: http://www.cedd.gov.hk/eng/downloading/index.htm Federal Highways Administration Geotechnical Publications: http://www.fhwa.dot.gov/bridge/geopub.htm Civil Engineering Publications US Department of Defense Whole Building Design Guides: http://www.wbdg.org/references/pa_dod.php US Government Construction Criteria Base: http://www.ccb.org/online/browse.py?cache=_ US Army Corp of Engineers, publications: http://www.usace.army.mil/publications/ May 2016 ENB 485 33
- 45. Yeager Airport 2016 May 2016 ENB 485 45