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Topic Closedsurface construction thickness?

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Solway View Drop Down
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Joined: 28.Jun.2009
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Direct Link To This Post Topic: surface construction thickness?
    Posted: 17.Jan.2014 at 10:36
Hi guys

im learning civil 3d, (and comparing it to my other older software) im needing to create a cut and fill report for a huge 1200+ housing and roads development which is on a steep hill site.

ive created a surface for the existing ground (EG) and also the surface for the proposed finish levels (FG)
now i can create a tin volume between EG and FG to get a rough idea on the cut and fill volume. However i need to get it more accurate, because its such a huge site even 50mm makes a 20,000m3 difference lol.

i have some questions:

first off i need to strip the toposil off the site, it varies from 300mm to 400mm in depth - i guessed at just lowering the EG surface by -350 on average, unless that is any other ways?

secondly, and most importantly, i need to account for the volume to calculate to the underside of the surface formation / construction build up of the FG
i.e. for a road it could be 600mm thick in hardcore/tarmac. Is there a way in civils 3d to specifiy certain areas of the site to have difference construction thickness?? for example, roads 600mm, gardens 200mm, buildings 300mm?

for example im looking for a volume, from the existing ground surface (-350mm in topsoil) to the underside of the construction depth of the proposed surface


hope that makes sense??





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Solway View Drop Down
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Direct Link To This Post Posted: 20.Jan.2014 at 11:39
anyone?
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John Connor View Drop Down
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Direct Link To This Post Posted: 20.Jan.2014 at 12:26
You might try asking over at the Civil 3D forum of the AutoDesk Discussion Groups.
"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

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