geotech.in_situ.spt.is_refusal

DataFrame.geotech.in_situ.spt.is_refusal()

Return whether or not each sample is a refusal.

A sample is considered a refusal when any of the following is true:

• a total of 50 blows or more have been applied during any of the three 150 mm increments;

• a total of 100 blows or more have been applied; and

• partial penetration, which signifies that the sampler can no longer penetrate through the strata, is present in any of the increments.

Requires:

blows_1

blows_2

blows_3

pen_1

pen_2

pen_3

Returns:

Series

is_refusal