Q36
Which type of boring is best suited for obtaining undisturbed samples?
A.
Wash boring
B.
Auger boring
C.
Rotary drilling with core barrel
AnswerD.
Percussion drilling
Answer: Option C
Solution
Answer: Option C
Solution:
Rotary drilling with a core barrel enables the retrieval of undisturbed samples of rock and sometimes stiff soils, ideal for strength tests.