Page 26 - Handbook GEOTEKNIK_Final_Neat
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Empirical Value for Soil                                                                                                          Sample Recovery (R/r) %




                       Consistency       Very         Soft      Medium        Stiff     Very Stiff    Hard
                                         Soft

                      SPT (N)             ˂ 2        2 - 4        4 - 8      8 – 16      16 - 32       ˃ 32

                      Bulk Density      14 - 18      16 -19         -          -         18 – 22        -
                      (KN/M )
                            3
                      q u                0 - 24     24 - 48      48 - 96    96 - 192    192 - 385     ˃ 385
                            2
                      (KN/m )

                        Table 3: Empirical Value of Unconfined Compressive Strength & Consistency of Cohesive Soil                                                Soil sample                                          Split spoon sampler








                                                                                                                                                                   R= 300mm
                                                                                                                                                                                                                        R/r =(300/450)*100%
                                                                                                                                                                                                                              = 66.67%


                                                                                                                                                                           r= 450mm















       10  PUBLIC WORKS DEPARTMENT MALAYSIA                                                                                                                                                                                      GEOTECHNICAL ENGINEERING HANDBOOK  11
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