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Richard Evans, P.E., M.ASCE


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RE: Scour- Thoughts on Lacey, Blench, and Neill equations?

Posted By Richard Evans 12-16-2019 11:36 AM
Found In Egroup: Environment, Coasts, Oceans, & Infrastructure \ view thread
James- It's interesting that the Lacey scour predictions came out similar to observations after Hurricane Irene. Was this based on your internal work or was there a study done? As you probably know, the post-flood scour that you see is usually less than the peak scour that occurs during the peak ...

Scour- Thoughts on Lacey, Blench, and Neill equations?

Posted By Richard Evans 12-05-2019 03:35 PM
Found In Egroup: Environment, Coasts, Oceans, & Infrastructure \ view thread
A recent paper (see reference below and attachment) assessed the differences between the Neill, Blench, and Lacey regime equations for predicting scour. The paper looked at the differences between the equations as reported in USBR and NRCS design manuals and the equations as originally documented. ...

Scour- Thoughts on Lacey, Blench, and Neill equations?

Posted By Richard Evans 12-05-2019 02:34 PM
Found In Library: Environment, Coasts, Oceans, & Infrastructure

RE: Sand Filter Box Forebay Design

Posted By Richard Evans 12-21-2018 09:52 AM
Found In Egroup: Environment, Coasts, Oceans, & Infrastructure \ view thread
I like the Hydro Dryscreen by Hydro-International. ------------------------------ Richard Evans P.E., M.ASCE Project Engineer Bradford VT (802)4393559 ------------------------------