A wide, shallow sand-bed channel has a slope of 0.00105 (assume smooth channel banks). The average grain size = 0.36 mm at isb = 40.2%. The flow depth of the channel is equal to 3.3 ft at flowrate and cross area of 5380 ft^3/s and 640 ft^2, respectively. Based on Einstein (1950) for total bed-load material transport model using size fraction, Find the following by choosing the correct answer of the following: 1- The friction velocity (u*') is equal to: 0.12 ft/s 0.40 ft/s 0.45 ft/s Non of them 2- The hydraulic radius (Rh') is equal to (if u*'= 0.323 fps): 4.28 ft 3.08 ft 2.87 ft Non of them

A wide, shallow sand-bed channel has a slope of 0.00105 (assume smooth channel banks). The average grain size = 0.36 mm at isb = 40.2%. The flow depth of the channel is equal to 3.3 ft at flowrate and cross area of 5380 ft^3/s and 640 ft^2, respectively. Based on Einstein (1950) for total bed-load material transport model using size fraction, Find the following by choosing the correct answer of the following: 1- The friction velocity (u') is equal to: 0.12 ft/s 0.40 ft/s 0.45 ft/s Non of them 2- The hydraulic radius (Rh') is equal to (if u'= 0.323 fps): 4.28 ft 3.08 ft 2.87 ft Non of them

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter3: Weight–volume Relationships

Section: Chapter Questions

Problem 3.24P

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