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In Jodhpur mini compaction test, a 2.5 kg DRT is used which falls freely from a height of ______ cm.

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in Geotechnical Engineering I by (102k points)
In Jodhpur mini compaction test, a 2.5 kg DRT is used which falls freely from a height of ______ cm.

(a) 35

(b) 31

(c) 45.72

(d) 25

The question was posed to me in an interview for internship.

The doubt is from The Dietert, Abbot Compaction Test and Jodhpur Mini Compactor Test in portion Compaction of Geotechnical Engineering I

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Best answer
Right option is (a) 35

The best I can explain: In Jodhpur mini compaction test, a 2.5 kg DRT is used which falls freely from a height of 25 cm. The height of free fall in Abbot compaction test is 35 cm above the base. For the Standard Proctor test, the height of free fall is 31 cm and for Modified Proctor test, the height of free fall is 45.72 cm.

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