LIST OF SYMBOLS 



A Projected fluke area 



A„ Penetrator frontal area 



A Penetrator side area 



s 



B Fluke width or diameter 



c Soil cohesion intercept 



c' Soil cohesion to be used for 



loose cohesive soils 



C„ Inertial drag coefficient 



Empirical soil strain rate 

 factor 



D Depth of embedment of fluke 



D Penetration depth 



f Correction factor to account 



for soil disturbance 



f Number of impulses in a 



specified time frame 



F T Impulse loading holding 

 capacity 



Long-term static holding 

 capacity 



Short-term static holding 

 capacity 



F, Inertial drag force 



F~ Bearing component force 



F„ Side adhesion force 



h Depth of earthquake epicenter 



i Subscript for the i 



increment 



1 Influence factor for adjusting 

 soil strength 



I f Inertial factor to use for 

 capacity increase for very 

 rapid loading 



L Fluke length or diameter 



M Penetrator mass 



M' Penetrator effective mass 



n.-, Number of loading cycles 



at 



St 



ql 



n T Total number of loading cycles 

 in an anchor's lifetime 



N Short-term holding capacity 



factor in cohesive soil 



N' Long-term holding capacity 

 factor in cohesive soil 



N Holding capacity factors for 



^ drained or frictional condition 



N_ T Cohesionless soil holding 



capacity factor adjusted for 

 impulse loading 



Reduction factor to use for 

 determining cyclic loading 

 holding capacity 



Reduction factor to use for 

 repeated impulses 



Soil undrained shear strength 



Empirical maximum soil strain 

 rate 



Soil sensitivity 



Penetrator thickness 



Time required for dissipation/ 

 redistribution of most excess 

 pore water pressure in anchor 

 fluke vicinity 



v Penetrator velocity 



V Penetrator volume 



W Penetrator weight 



W, Penetrator buoyant weight 



z Depth in soil 



a Half- angle of the penetrator 



tip 



y Soil total unit weight 



-y. Soil buoyant unit weight 



6* Side adhesion factor 



p Soil mass density 



$ Soil internal friction angle 



4> T Soil impulse adjusted internal 

 friction angle 



u 



S * 

 e 



S t 

 t 



^d 



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