1 / 31

TOPIC 7 SLOPE STABILITY

TOPIC 7 SLOPE STABILITY. Course : S0705 – Soil Mechanic Year : 2008. CONTENT. SLOPE FAILURE AND SLOPE STABILITY (SESSION 25-26 : F2F) BISHOP METHOD (SESSION 25-26 : F2F). SLOPE FAILURE. CAUSAL FACTOR OF FAILURE THE SLOPE IS TOO STEEP UNSUITABLE OF SOIL PROPERTIES LESS COMPACTION

kura
Télécharger la présentation

TOPIC 7 SLOPE STABILITY

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. TOPIC 7 SLOPE STABILITY Course : S0705 – Soil Mechanic Year : 2008

  2. CONTENT • SLOPE FAILURE AND SLOPE STABILITY (SESSION 25-26 : F2F) • BISHOP METHOD (SESSION 25-26 : F2F)

  3. SLOPE FAILURE • CAUSAL FACTOR OF FAILURE • THE SLOPE IS TOO STEEP • UNSUITABLE OF SOIL PROPERTIES • LESS COMPACTION • INFLUENCE OF PORE WATER AND OR RAIN • EARTHQUAKE • LIQUIFACTION • HUMAN MANNER

  4. SLOPE FAILURE

  5. FAILURE TYPE • ROTATIONAL

  6. FAILURE TYPE • TRANSLATIONAL

  7. FAILURE TYPE • FALLING

  8. FAILURE TYPE • BLOCK SLIDE

  9. FAILURE TYPE • TOPPLE

  10. FAILURE TYPE • FLOW

  11. SLOPE FAILURE

  12. SLOPE FAILURE

  13. SLOPE FAILURE

  14. SLOPE FAILURE

  15. SLOPE FAILURE

  16. SLOPE STABILITY • PURPOSE • SLOPE STABILITY ANALYSIS AGAINST LANDSLIDE • SELECTION OF THE SUITABLE SOIL PARAMETER • THE USE OF APPROPRIATE CALCULATION METHOD INCLUDE USING COMPUTER SOFTWARE • EFFICIENCY AND EFFECTIVENESS SOLUTION METHODS

  17. PARAMETER AND ANALYSIS • PARAMETER • TOTAL (, c, ) • EFFECTIVE (’, c’, ’) • ANALISIS • LIMIT EQUILIBRIUM THEORY (MOHR COULOMB FAILURE CRITERIA) • FORCE EQUILIBRIUM • FORCE AND MOMENT EQUILIBRIUM

  18. CALCULATION METHOD • FORCE EQUILIBRIUM • ORDINARY METHOD OF SLICES (OMS) • SIMPLIFIED BISHOP • SIMPLIFIED JANBU • CORPS OF ENGINEER • LOWE AND KARAFIATH • GENERALIZED JANBU • FORCE AND MOMENT EQUILIBRIUM • BISHOP’S RIGOROUS • SPENCER • SARMA • MORGENSTERN-PRICE

  19. TRANSLATIONAL LANDSLIDE • INFINITE SLOPE • COHESIVE SOIL • COHESIONLESS SOIL • FINITE SLOPE • PLANE FAILURE SURFACE • BLOCK SLIDE ANALYSIS

  20. ROTATIONAL LANDSLIDE • CIRCULAR SURFACE ANALYSIS • CIRCULAR ARC (U = 0) METHOD • FRICTION CIRCLE METHOD • METHOD OF SLICE • ORDINARY METHOD OF SLICES (OMS) • JANBU’S SIMPLIFIED METHOD • BISHOP’S SIMPLIFIED METHOD • MORGENSTERN – PRICE METHOD • ETC

  21. ROTATIONAL LANDSLIDE • METHOD OF SLICES

  22. ROTATIONAL LANDSLIDE • ORDINARY METHOD OF SLICES (OMS)

  23. ROTATIONAL LANDSLIDE • SIMPLIFIED BISHOP METHOD

  24. (35,1;55) 38,1 m •  = 16 kN/m3 • = 20 o c = 20 kN/m2 (20;20) ROTATIONAL LANDSLIDE • A Slope of 20 m height and angle 2H:1V had been landslide as shown in following figure. The center of failure circle is at (35.1;55) and the failure circle radius is 38.1 m • Determine the safety factor of slope base on : • Ordinary Method of Slices • Bishop’s Method

  25. ROTATIONAL LANDSLIDE

  26. ROTATIONAL LANDSLIDE

  27. ROTATIONAL LANDSLIDE

  28. SOLUTION • GRAVITY WALL

  29. SOLUTION • SOIL NAILING (TIE BACK)

  30. SOLUTION • SHEET PILE, PILE

  31. SOLUTION • REINFORCEMENT (STEEL, GEOSYNTHETIC)

More Related