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The sampler is driven through ____________ as seating drive.

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+1 vote
in Geotechnical Engineering II by (93.7k points)
The sampler is driven through ____________ as seating drive.

(a) 50 cm

(b) 15 cm

(c) 100 cm

(d) 150 cm

The question was posed to me in an international level competition.

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

1 Answer

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by (243k points)
Right choice is (b) 15 cm

The best explanation: The minimum open length of the sampler should be 60 cm. When the sampler is driven through depth of first 15 cm, it is known as seating drive. Then the sampler is further driven beyond the 15 cm or the seating drive for the test.

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