Hi,
I am trying to design prestressed concrete 78" Girder with 8.25" Slab thick. my Prestressing steel centroid is Ypg=9.88 in and total section height H=86.25"
so my dp=H- ypg=86.25-9.88=76.37". I have no mild reinforcement in the girder, so dp=de. The program is calculating de to be 83.03", and i would like to know why the reason for that?
Per AASHTO 9ed
Thank you
Ashvin
Please email me the file "Vinay.Mysore@Bentley.com" so that i can test this issue.
For more information related to Leap Bridge Concrete program please check the wiki articles in the below mentioned Bentley Communities link.
https://communities.bentley.com/products/bridge_design___engineering/w/bridge_design_and_engineering__wiki/2440/leap-conspan-precast-prestressed-girder
Thank you Vinay for your reply and explanation. I was considering Top strands in Ypg calculations.
You are welcome. I shall close the service request.