3.FUNDAMENTAL RELATIONSHIPS

FUNDAMENTAL RELATIONSHIPS & INTER-RELATIONSHIP:

        1. Decreasing Order of Unit Weight of Soil

                                     

       2. Important Relationship between  Voids ratio (e) , Specific Gravity (G) , Dry     Unit weight  , Water content (w) , Saturated unit weight , Volume of soil.

         3.Quick sand condition occurs at Critical Hydraulic gradient 

        4.Determination Of soil Properties and determining methods are given below

                   Determination                            Method

         Bulk density of coarse grained soil  -  Sand replacement method

         Unit weight of non-cohesive soil     -  Core cutter method

         Water content                                   -  Oven drying method

         Specific gravity & water content     - Pycnometer  method

       5.Terminal/ settling velocity:                                                                                                                                                                 

                                                                                  

     
 See Example problem in this Topic 

Example Problem-1

Example Problem-2

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