Pipe Network - with Open Drains targeting ground profile

Anonymous

Pipe Network - with Open Drains targeting ground profile

Anonymous
Not applicable

I have a case where the majority of a drainage network is Open Drains. The drains vary in height along their length as they follow the ground profile. I would like the ability to model these drains as a Pipe Network which will include the Open Drains along with piped culvert sections in the same alignment: imagine an open drain section which transitions into a box culvert (for a vehicle crossing) then back to an open drain.

 

Currently I am having to model the open drains as 'corridors'. This does not provide the same type of speed and flexibility in design iteration that modelling them as a Pipe Network would provide (where the nodes and drain segments talk to each other and are easily moved around and shifted to resolve clashes etc and has a corresponding long section which simultaneously updates accordingly). 

 

Additionally I would like to have the model be able to confirm the capacity of each open drain section as well as the piped culverts similar to what can be achieved for the pipe sections of a Pipe Network.

 

Anyone have experience with this?

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MMcCall402
Mentor
Mentor

What if you did each open section as a feature line defining the center and then grading objects to define the shape and grade back to the existing surface?

Mark Mccall 
CAD Mangler



Hammer Land Engineering


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cwr-pae
Mentor
Mentor

I think I would model all of it with a corridor. The hardest part being the assembly for the box culvert sections. With SAC it probably wouldn't be to bad. By using a nonplotting code  and surface across the top you can extract volumes for capacity. This won't be usable with SSA.

Or you could modify a square pipe part to have "0" top thickness and pretend it was an open channel. Might not look very good in section views, but would serve the design and calculation purposes.

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Anonymous
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Hi Mark - thank you for the feedback. I take that idea forward with the team and give it a go. Thank you.

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Anonymous
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Hi CWR, thanks for the feedback. Good ideas there for the section views. Will try out those ideas aswell . Thank you.

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