Standard penetration blows
The standard penetration test (SPT) is an in-situ dynamic penetration test designed to provide Standard Penetration Test blow counts do not represent a simple physical property of the soil, and thus must be correlated to soil properties of.
7 Feb Standard Penetration Test, SPT, involves driving a standard thick-walled sample tube into the ground at the bottom of a borehole by blows from.
2 Feb A very Good Presentation on Standard Penetration Test of Soil Mechanics. Record the number of blows for each m of the penetration.
Pros and Cons
Description:The test is extremely useful for determining the relative density and the angle of shearing resistance of cohesionless soils. It can also be used to determine the unconfined compressive strength of cohesive soils. The standard penetration test is conducted in a bore hole using a standard split spoon sampler. When the bore hole has been drilled to the desired depth, the drilling tools are removed and the sampler is lowered to the bottom of the hole. The sampler is driven into the soil by a drop hammer of