Further thoughts on driving piles into granular soils....
Quite often driving piles to "set" in granular soils can lead to longer than necessary piles. Rather than just keep driving piles deeper and deeper chasing a "set" why not stop at the design depth and record the blow...
Dynamic load testing of piles is and has been for many years an extremely useful tool for engineers. The dynamic load test needs to be designed. So once you know the ground conditions, the pile type and size and the test load either use experiance or GRLWEAP to check the hammer size required...
Driven piles or bored piles? Suspect driven. Do you want papers for info or to know what is going on. If you want to know whats going on get some dynamic pile testing carried out for pile capacity and hammer performance .
