Intro geo sivakugan (Complete Soil Mech. Undestanding Pakage: ABHAY)
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Intro geo sivakugan (Complete Soil Mech. Undestanding Pakage: ABHAY)
- 1. 1 Introduction to Geotechnical Engineering SIVA N. Sivakugan ground Duration: 11 min 56 s
- 2. Typical Geotechnical Project Geo-Laboratory ~ for testing construction site 2 SIVA Copyright ã 2001 Design Office ~ for design & analysis soil samples soil properties design details
- 4. Shallow Foundations ~ for transferring building loads to underlying ground ~ mostly for firm soils or light loads firm ground 4 SIVA Copyright ã 2001 bed rock
- 5. SIVA Copyright ã 2001 Shallow Foundations
- 6. Deep Foundations ~ for transferring building loads to underlying ground ~ mostly for weak soils or heavy loads bed rock weak soil 6 SIVA Copyright ã 2001 PILE
- 7. Deep Foundations Driven timber piles, Pacific Highway 7 SIVA Copyright ã 2001
- 8. Retaining Walls ~ for retaining soils from spreading laterally Road Train retaining wall 8 SIVA Copyright ã 2001
- 9. Earth Dams ~ for impounding water clay core shell soil reservoir 9 SIVA Copyright ã 2001
- 10. Concrete Dams reservoir concrete dam soil 10 SIVA Copyright ã 2001
- 11. Concrete Dams Three Gorges Dam, Hong Kong 11 SIVA Copyright ã 2001
- 12. Concrete Dams 12 SIVA Copyright ã 2001
- 13. Earthworks ~ preparing the ground prior to construction Roadwork, Pacific Highway 13 SIVA Copyright ã 2001
- 14. Construction hazard ~ an unwelcome visitor at an earthwork site. A dead Anaconda python (courtesy: J. Brunskill) What does it have to do with Geo?#! 14 SIVA Copyright ã 2001
- 15. Geofabrics ~ used for reinforcement, separation, filtration and drainage in roads, retaining walls, embankments… 15 SIVA Copyright ã 2001 Geofabrics used on Pacific Highway
- 16. Reinforced Earth Walls ~ using geofabrics to strengthen the soil 16 SIVA Copyright ã 2001
- 17. Soil Nailing ~ steel rods placed into holes drilled into the walls and grouted 17 SIVA Copyright ã 2001
- 18. Sheet Piles ~ sheets of interlockingsteel or timber driven into the ground, forming a continuous sheet ship warehouse sheet pile 18 SIVA Copyright ã 2001
- 19. Sheet Piles ~ resist lateral earth pressures ~ used in excavations, waterfront structures, .. 19 SIVA Copyright ã 2001
- 20. Sheet Piles ~ used in temporary works 20 SIVA Copyright ã 2001
- 21. Sheet Piles ~ interlocking sections 21 SIVA Copyright ã 2001
- 22. Cofferdam ~ sheet pile walls enclosing an area, to prevent water seeping in 22 SIVA Copyright ã 2001
- 23. Landslides 23 SIVA Copyright ã 2001
- 24. Shoring propping and supporting the exposed walls to resist lateral earth pressures 24 SIVA Copyright ã 2001
- 25. Tunneling 25 SIVA Copyright ã 2001
- 26. Blasting For ore recovery in mines 26 SIVA Copyright ã 2001
- 27. Ground Improvement Impact Roller to Compact the Ground 27 SIVA Copyright ã 2001
- 28. Ground Improvement Sheepsfoot Roller to Compact Clay Soils 28 SIVA Copyright ã 2001
- 29. Ground Improvement Smooth-wheeled Roller 29 SIVA Copyright ã 2001
- 30. Ground Improvement Big weights dropped from 25 m, compacting the ground. Craters formed in compaction 30 SIVA Copyright ã 2001
- 31. Environmental Geomechanics Waste Disposal in Landfills 31 SIVA Copyright ã 2001
- 32. Instrumentation ~ to monitor the performances of earth and earth supported structures ~ to measure loads, pressures, deformations, strains,… 32 SIVA Copyright ã 2001
- 33. SIVA Copyright ã 2001 Soil Testing Cone Penetration Test Truck – Lavarach Barracks, Townsville
- 34. SIVA Copyright ã 2001 Soil Testing Standard Vane Shear Test Penetration Test More Field Tests
- 35. Soil Testing Triaxial Test on Soil Sample in Laboratory 35 SIVA Copyright ã 2001
- 36. Soil Testing Variety of Field Testing Devices 36 SIVA Copyright ã 2001
- 37. Soil Testing Purdue University, USA Being Pushed around by my Supervisors 37 SIVA Copyright ã 2001
- 38. Typical Safety Factors Type of Design Safety Factor Probability of Failure Earthworks 1.3-1.5 1/500 Retaining structures 1.5-2.0 1/1500 Foundations 2.0-3.0 1/5000 38 SIVA Copyright ã 2001
- 39. Some unsung heroes of Civil Engineering… foundations soil exploration tunneling … buried right under your feet. 39 SIVA Copyright ã 2001
- 40. Great Contributors to the Developments in Geotechnical Engineering
- 41. Karl Terzaghi 1883-1963 C.A.Coulomb 1736-1806 WJM Rankine 1820-1872 A.Casagrande 1902-1981 L. Bjerrum 1918-1973 A.W.Skempton 1914- Siva’s teacher in USA – deserves gold frame G.F.Sowers 1921-1996 G.A. Leonards 1921-1997 Siva’s teacher in USA – deserves gold frame
- 43. Leaning Tower of Pisa Our blunders become monuments! 43 SIVA Copyright ã 2001
- 44. Hoover Dam, USA Tallest (221 m) concrete dam 44 SIVA Copyright ã 2001
- 45. Petronas Tower, Malaysia Tallest building in the world 45 SIVA Copyright ã 2001
- 46. and…. Monuments 46 SIVA Copyright ã 2001
- 48. Geo-engineering at JCU CS2005 Geo-engineering I CS3002 Geo-engineering I CS4001 Geo-engineering I Postgrad MEngSc/PhD 48 SIVA Copyright ã 2001
- 49. Practicals ~ five practical sessions ~ closed footwear must be worn in the lab 49 SIVA Copyright ã 2001
- 50. Laboratory Staff Neville Hines & Rudd Rankine 50 SIVA Copyright ã 2001
- 51. Quizzes about 4-6, 50 minutes each open book How? Why? to reinforce main points provides a wake up call form of assessment 51 SIVA Copyright ã 2001
- 52. Past CS2005 Grades 1996 1997 1998 1999 2000 2001 2002 HD 5 1 1 3 3 0 52 SIVA Copyright ã 2001 ? D 4 2 3 2 9 6 C 15 12 6 7 7 2 P 12 8 8 6 10 8 P- 6 0 2 4 1 5 N 12 10 12 14 9 13 X 0 0 3 3 3 1 Total 54 33 35 39 42 35
- 53. Some Suggestions Attend the lectures. It takes longer to understand from the lecture notes Develop a good feel for the subject. It is practical, interesting and makes lot of sense. 53 SIVA Copyright ã 2001
- 54. Some Suggestions Work in groups. 54 SIVA Copyright ã 2001
- 55. Some Suggestions Thou shall not wait till the last minute. 55 SIVA Copyright ã 2001
- 56. Exams My mama always said, “Exam is like a box of chocolates; you never know what you are gonna get” 56 SIVA Copyright ã 2001
Editor's Notes
- Cofferdams are often used in temporary works, to enclose the construction area within a continuous sheet pile wall around and protect it from water entering from outside.
- Finally, proof of the pudding is in the eating. Very often we monitor the performances of foundations, tie backs, embankments etc. for a long time after construction, to verify that it is performing to our expectations. Geotechnical engineering involves lots of uncertainty in the soil properties used in the designs and the theories. Instrumentation is a popular method to verify the theories, assumptions, construction methods etc.
- All structures need proper foundations. To design good foundations, it is essential to know the geotechnical characteristics of the underlying ground. The only way to know them is to test the soil.