Answered: Why must we use the Strictler equation…

Why must we use the Strictler equation to compute Manning's "n" for rip-rap? Couldn't we just look up "n" values like we do for other surfaces? What's different about rip-rap?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter15: Slope Stability

Section: Chapter Questions

Problem 15.14P

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Why must we use the Strictler equation to compute Manning's "n" for rip-rap? Couldn't we just look up "n" values like we do for other surfaces? What's different about rip-rap?

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