Question

Consider the following statements:
1. Standard penetration test (SPT) is conducted by pushing a cone into soil at the rate of 2 cm/s.
2. Standard penetration test results are unreliable in deposits containing large number of boulders.
3. Dutch cone is a static penetrometer.
Which of these statements is/are correct:

• A. 1 only
• B. 1 and 2
• C. 2 and 3
• D. 3 only

Answer 1

The correct option is C 2 and 3

Standard Penetration Test (SPT) is conducted by pushing a split spoon sampler into the soil through a borehole 55 to 150mm in diameter at the desired depth.