TABLE OF CONTENTS The following notation is used in this chapter:
| SYMBOL | DEFINITION | |
| a max | Peak ground acceleration | |
| c | Cohesion based on a total stress analysis | |
| c ? | Cohesion based on an effective stress analysis | |
| C b | Borehole diameter correction | |
| C N | Correction factor to account for the overburden pressure | |
| C r | Rod length correction | |
| D | Inside diameter of the SPT sampler | |
| D r | Relative density | |
| e | Void ratio of soil | |
| e max | Void ratio corresponding to loosest possible state of soil | |
| e min | Void ratio corresponding to densest possible state of soil | |
| E m | Hammer efficiency | |
| F | Outside diameter of the SPT sampler | |
| FS L | Factor of safety against liquefaction | |
| g | Acceleration of gravity | |
| h | Depth below ground surface | |
| N | Measured SPT blow count (that is, N value in blows per foot) | |
| N 60 | N value corrected for field testing procedures | |
| ( N 1) 60 | N value corrected for field testing procedures and overburden pressure | |
| q c | Cone resistance | |
| q c1 | Cone resistance corrected for overburden pressure | |
| r u | Pore water pressure ratio | |
| s u | Undrained shear strength of soil | |
| S t | Sensitivity of cohesive soil | |
| u | Pore water pressure | |
| Z | Seismic zone factor | |
 | Friction angle of sand (Sec. 5.4) | |
 | Friction angle based on a total stress analysis (Sec. 5.5) | |
 | Friction angle based on an effective stress analysis |
