BS 1377 Part 8 1990          
Consolidation undrained triaxial compression test with measurement of pore pressure
Location Job Ref:
BH No.
Soil Description Sample No.
Test method    BS1377: Part 8:  1990 Clause 7 Date
Pressure system no.     Membrane Start compression   Failure Max.deviator stress Nominal  s3'         kPa
Cell no.       Thickness     mm Lc     mm Criterion* Max.stress ratio Cell pressure         kPa
Machine no.       With/without*   Ac     mm2   Critical state Machine speed         mm/min
Force device no.     side drains   Vc     cm2   Axial strain of     % Rate of strain         % per h
Date Time Axial strain   Area Axial force     Pore   Deviator stress   Principal stresses     A Stress Path*
              Pressure               Coeff.    
    Reading DL e As Reading Diff- Cr P u u - uo (s1 - s3)m smb + sdr (s1 - s3) s1 s1' s3' Ratio u - uo s' t'
              erence                     s1' / s3' s1 - s3    
      mm   mm2 R R-Ro N/div N kPa kPa kPa kPa kPa kPa kPa kPa     kPa kPa
      0 0     0   0   0     0       1     0
*Delete as appropriate                                      
  Operator Checked Approved

                                                                                                                                        Form 8D