Page 40 - Handbook GEOTEKNIK_Final_Neat
P. 40

Laboratory Testing                                                                                                                Types of Lab Tests
                             41

                                                                                                                                                        Lab test           Description/                                  Photos
                                                                                                                                                                      Purpose/ Advantages
                                                                 Soil Properties
                                                                                                                                                   1. Sieve Analysis    to determine the
                                                                                                                                                                        percentage of
                                                                                                                                                                        various grain sizes
                                          Physical
                                    (Soil Characteristics)                                      Mechanical
                                                                                                                                                                        to obtain particle
                                                                                                                                                                        size distribution




                       Moisture     Specific              Atterberg                                        Strength
                       Content      Gravity   Gradation     Limits    Permeability     Compressibility     (Shear)
                     Unit Weight
                                                                                                                                                                                                                      Figure 24: Sieves
                                             (Soil Classification)
                                                                                                                                                   2. Hydrometer        to determine the
                                                                                                                                                   Analysis             distribution of
                                    For usage:                                              For usage:                                                                  particles smaller
                                    a. Geotechnical engineering                             a. Geotechnical engineering                                                 than No. 200 sieve
                                    b. Pavement engineering                                 b. Pavement engineering                                                     (fine grain)
                                    c. Environmental engineering

                                                                                                                                                                        to identify silt, clay
                                                            Figure 23: Types of Soil Tests                                                                              and colloids
                                                                                                                                                                        percentages


                                                                                                                                                                                                           Figure 25: Hydrometer


       24  PUBLIC WORKS DEPARTMENT MALAYSIA                                                                                                                                                                                      GEOTECHNICAL ENGINEERING HANDBOOK  25
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