Standard penetration test procedure
Standard penetration test
The test uses a thick-walled sample tube, with an outside 6 in. of penetration is termed the "standard penetration resistance" or the.
29 Nov The Standard Penetration Test (SPT) is most popular and economical test to determine the surface information, both on land and offshore.
Description:The metal hammer is successively lifted and dropped in order to provide the energy that drives the SPT sampler into the ground. This part of the drive-weight assembly is used to guide the fall of the hammer as it strikes the anvil. This is the portion of the drive-weight assembly which the hammer strikes and through which the hammer energy is passed into the drill rods. This is the part of the drive-weight assembly by which the operator lifts and drops the hammer. Two types of systems are commonly utilized, as follows: