Question

The sample is driven by a weight of _____________ in sample in standard penetration test.

(a) 65 kg

(b) 14 kg

(c) 55 kg

(d) 100 kg

I have been asked this question in my homework.

This question is from Geophysical Methods in division Stabilisation of Soils, Site Investigation and Sub – Soil Exploration of Geotechnical Engineering II

Answer 1

The correct answer is (a) 65 kg

Easiest explanation: In standard penetration test, the thick wall split-tube sampler is driven into the undisturbed soil at the bottom of the hole under the blows of a 65 kg or 140 lb drive weight.