BS 1377 Part 6 1990          
Hydraulic cell consolidation test : calculations
Location Job Ref:
BH No.
Soil Description Sample No.
Depth
Test method  BS1377: Part 6:  1990 : 3.5,3.6,3.7,3.8* Date
     
Drainage conditions Pore pressure measurement location Cell no.
Loading conditions Pressure system no.
Specimen diameter    Dmm     mv calculated from change in height/volume*          
Initial height Ho mm   cv calculated from pore pressure dissipation Factor for coeffient
              of consolidation
Initial Voids ratio eo       Initial time plot      *  
        square root time plot  
            spcial power curve plot      
Stage  Effective Cumulative Consolidation Voids ratio Voids  Incremental Coef- Time Time Consolidation
no. stress kPa compression height change ratio change ficient   height  
  Value  Incre-ment     cumu-lative  Incre-ment   height volume        
  s' ds' DH H DV de e dH dV mv t50/t90 H cv
      mm mm cm3     mm mm3 m2/MN min mm m2/year
                           
                           
                           
                           
                           
                           
                           
                           
                           
 

 
  Operator Checked Approved

                                                                                                                                        Form 6D