Hydraulic structure for Box culvert transition 2

[nick269]

Hello All

I am working on a drainage project in Ho Chi Minh City in Vietnam.

I have inherited a design for the transformation of an open channel drainage canal into a 4 kilometer-long box culvert that increases in size (in both dimensions) as well as in the number of barrels, starting with 2 barrels and ending up with 4. However, no drawing, not even a conceptual one, has been made for the structures to handle these transitions. In addition, we have numerous bends, including at least two 90 degree turns. A local consultant has been assigned to design the box culverts, but I am sure this is the first time he has done this. I have yet to see what ideas he has. (the language barrier is a factor here). I assume that these structures will be cast-in-place.

Any advice or where I can get more on this topic?

Nick

 

[LHA]

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[desertfoxx]

Nick,

Information that your looking for might be covered in the Design of Small Canal Structures Manual published by the Bureau of Reclamation. A PDF version can be downloaded at

http://www.usbr.gov/pmts/hydraulics_lab/pubs/manuals/SmallCanals.pdf

.

Another on-line source is the Army Corps of Engineers CoE. Links to their manuals are at the following address:

http://www.usace.army.mil/inet/usace-docs/eng-manuals/em.htm

Hope this helps.
Dave