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Geological Engineering · Q113

Site Investigation and Geotechnical Exploration

Engineering and GATE · Geological Engineering · question 113

Q113

In SPT, how much is the hammer weight and drop height?

A.
50 kg, 75 cm
B.
63.5 kg, 76 cm
Answer
C.
45 kg, 50 cm
D.
60 kg, 1 m

Answer: Option B

Solution

Answer: Option B
Solution:
Standard SPT equipment uses a 63.5 kg hammer dropped from 76 cm height to drive the sampler, ensuring standardized results.