SITE INVESTIGATION

SITE INVESTIGATION

1. WHY

2. PROCESS

   • FEASIBILITY STUDY
   • PRELIMINARY INFORMATION
   • SITE VISIT
   • SITE EXPLORATION

3. SAMPLING

   • DISTURBED
   • UNDISTURBED

4. TYPES

   • EXTENDED
   • COMPACT

5. 2 + 3 PHASE SOILS

   • SOLID
   • LIQUID
   • GAS
   • w = Mw/Ms x 100

6. SOIL CLASSIFICATION

   • COARSE
     • WELL GRADED
     • UNIFORMALLY GRADED
     • POORLY GRADED
     • GAP GRADED
   • FINE
     • PLASITICITY CHART
       • HIGH PLASTICITY
       • LOW PLASTICITY
       • A LINE
     • PLASTIC INDEX VS LIQUID LIMIT
   • ORGANIC

7. CONSISTENCY

   • SOIL CONSISTENCY
     • LIQUID STATE
     • PLASTIC STATE
     • SEMI-SOLID STATE
     • SOLID STATE
   • CONSISTENCY LIMITS
     • LIQUID LIMIT (LL)
     • PLASTIC LIMIT (PL)
     • SHRINKAGE LIMIT
   • TESTS
     • LIQUID LIMIT
       • CASAGRANDE TEST
       • CONE PENETROMETER
     • PLASTIC LIMIT
       • ROLL
   • PLASTICITY INDEX
     • HIGH
     • LOW

8. SOIL STRENGTH

   • TESTS
     • INSITU
       • SHEAR VANE
     • UNCONFINED
       • STRESS
       • STRAIN

9. SOIL COMPACTION

   • OPTIMUM WATER CONTENT
   • TESTING
     • NZ STANDARD COMPACTION TEST
     • NZ HEAVY COMPACTION TEST
   • COMPACTION CURVE
   • AIR VOIDS
   • CONTROL
     • NUCLEAR DENSOMETER

10. CALIFORNIA BEARING RATIO (CBR)

    • TEST PROCEDURE

11. GEOLOGICAL MAPPING AND STRUCTURE

    • STRUCTURE
      • FOLDS
        • ANTICLINE
        • SYNCLINE
      • FRACTURES
        • FAULTS
        • JOINTS
    • MAPPING
      • • SYNCHLINE
        • ANTICLINE
      • LANDSLIDES

12. PENETRATION

    • STATIC
      • CONE PENETROMETER TEST
    • DYNAMIC
      • STANDARD PENETROMETER TEST

13. DRILLING

    • PERCUSSION
      • CABLE TOOL DRILLING
      • DOWN THE HAMMER DRILLING
    • ROTARY
      • CONTINUOUS FLIGHT AUGERS
      • HOLLOW STEM AUGERS

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