Q17
Which method is best suited for sampling granular soils without disturbance?
A.
Shelby tube
B.
Split-spoon sampler
C.
Piston sampler
AnswerD.
Vane shear tool
Answer: Option C
Solution
Answer: Option C
Solution:
A piston sampler allows sampling with minimal disturbance, especially in granular and saturated soils, by controlling suction and avoiding soil fall.