A 4-yard dragline is being used to excavate a canal in wet. sticky clay. The average swing angle is 75 degrees, the average depth of cut is 11 ft. and job efficiency is 44 minutes per hour. If the dragline, must excavate 1.578 BCY of material, how long

A 4-yard dragline is being used to excavate a canal in wet. sticky clay. The average swing angle is 75 degrees, the average depth of cut is 11 ft. and job efficiency is 44 minutes per hour. If the dragline, must excavate 1.578 BCY of material, how long

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Pile Foundation

Section: Chapter Questions

Problem 18.13P

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Question

A 4-yard dragline is being used to excavate
a canal in wet. sticky clay. The average
swing angle is 75 degrees, the average
depth of cut is 11 ft. and job efficiency is 44
minutes per hour. If the dragline, must
excavate 1.578 BCY of material, how long
will it take to complete the job HRS)?

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