Sarah Larson's Activitieshttps://communities.bentley.com/members/ef3c6db1_2d00_b54c_2d00_4be1_2d00_a992_2d00_95c1a4fcc4a0Sarah Larson's recent activityen-USTelligent Community 12LEAP Bridge Concrete self-weight deflectionhttps://communities.bentley.com/products/bridge_design___engineering/f/bridgemaster-lars-leap-openbridge-rm-forum/234805/leap-bridge-concrete-self-weight-deflectionTue, 30 Aug 2022 16:41:20 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:cd85a265-26ae-45be-9297-c6754cb165afSarah Larson<p>I&#39;m using LEAP Bridge Concrete to design a prestressed box beam.&nbsp; In this design we are concerned about haunch heights.&nbsp; I was checking the beam self-weight deflection shown in LEAP vs. the AISC equation and another in-house structural analysis software.&nbsp; The AISC and in-house software deflection values match.&nbsp; LEAP deflection is more by about 7%.&nbsp; I have verified reactions and moment, so input weight is the same.&nbsp; I am using the same bearing to bearing span length and same E.&nbsp; How is LEAP calculating the Beam Self Weight at Release?&nbsp;&nbsp;</p> <p></p> <p>Thanks</p><div style="clear:both;"></div>Ask A Question Ihttps://communities.bentley.com/achievements/460ac7df-7ccc-4c42-a204-9e05eef3be09Tue, 30 Aug 2022 00:55:39 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:6812c49f-4cdc-41be-ba5a-e17e619ab4d5Ask a question in a forum.