Slope Analysis 18 Hay St

7.0      BORE LOGS

                                                           Borehole No. 1




                                                                                               Density Index
                                                                                               Consistency/




                                                                                                               DCP (blows/




                                                                                                                                        Water Table
                                                                                Depth (m)




                                                                                                                100mm)

                                                                                                                             PP (kPa)
                             Material Description



 Clayey silty SAND/ Clayey sandy SILT, fine grained, moist to wet,             0.10            Loose              1
 dark brown                                                                    0.20                               1
                                                                               0.30                               1
                                                                               0.40                               1
                                                                               0.50                               2
 CLAY, high plasticity, moist to wet, dark grey/ black                         0.60         Soft to Firm          1
 Est. Iss- 6-8                                                                 0.70                               2          50
 (VERY REACTIVE CLAY)                                                          0.80                               1
                                                                               0.90                               2
                                                                               1.00                               2
                                                                               1.10                               3
                                                                               1.20                               3
                                                                               1.30                               2          50
                                                                               1.40                               2
                                                                               1.50
                                                                               1.60
 Clayey SAND, fine to medium grained, wet, pale grey/ off white                1.70            Loose
                                                                               1.80
                                                                               1.90
                                                                               2.00
 Sandy silty CLAY, medium to high plasticity, moist, pale grey/ off white      2.10          Very Stiff                      300
 Est Iss- 2-3                                                                  2.20
                                                                               2.30
                                                                               2.40
                                                                               2.50
 Borehole 1 – [email protected] metres                                          2.60
                                                                               2.70
                                                                               2.80
                                                                               2.90
                                                                               3.00
                    Undrained Shear                                 Density
 Consistency                                     Density                                     Minor Components
                     Strength (kPa)                                Index (%)
  Very Soft          0 - 12            Very Loose           < 15    Trace    Coarse Grained soils <5%.
     Soft            12 - 25              Loose            15 - 35           Fine grained soils <15%.
    Firm             25 - 50         Medium Dense          35 - 65
     Stiff          50 - 100              Dense            65 - 85  Some     Coarse Grained soils 5-12%.
  Very Stiff        100 - 200          Very Dense           > 85             Fine grained soils 15-30%.
    Hard              > 200
  PP – Pocket Penetrometer test (unconfined compressive strength) DCP – Dynamic Cone Penetrometer


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Site Address: 18 Hay Street, Tewan n I   Report No. 2487