Nf/N(j Dimensionless flow net factor 



P Bearing capacity force 



p Gage pressure in pore water beneath object (F|j/A) 



Q Rate of water flow into zone below object (per 



unit length) (length^/time/length) 



r, 6, Tq Parameters of log spiral in solution to Prandtl's 



equation 



S Undrained shear strength of soil (force/length^) 



S,, Vane shear strength of soil (assumed equal to S) 



(force/length ) 



Normalized breakout time 



Time required for breakout 



Ptb/B\2 

 d2 W 



t ime-force 

 length'' 



t,^ Waiting time after object placement and before 



application of Fgi^ or Fgjjj 



Vj Volume of soil displaced by object 



y^ Volume of water per unit length 



W[j Weight of object in water 



Wg Buoyant weight of soil displaced by object 



f( ), g( ), j( ) Functional relationships 



Ap Total pressure loss (force/length ) 



7 Unit weight of seawater 



7^ Buoyant unit weight of soil 



(p Friction angle of soil 



49 



