https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/178046/concrete-slabDear sir, good day, I design the attached structure in two ways. when I design it without considering the concrete plate it gives very less utilization ratio? and when I design it without considering the concrete plates on the top of beam it is gettingen-USTelligent Community 12https://communities.bentley.com/thread/516352?ContentTypeID=1Thu, 11 Apr 2019 11:55:21 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:358d5d99-4bfe-469a-b976-e0257890bf98Modestas<p>If the slab is on the structure, I think it should be modeled in STAAD.Pro as well.</p><div style="clear:both;"></div>https://communities.bentley.com/thread/516344?ContentTypeID=1Thu, 11 Apr 2019 11:20:25 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:5baa63a5-d997-481c-9a30-f7cb6900699cwaqar fazi<p>Thank you sir for your reply.</p> <p>my structure having 200mm concrete slab on the top .should i consider the plates or not?with concrete plates my design is ok or not?kindly advice.</p><div style="clear:both;"></div>https://communities.bentley.com/thread/516332?ContentTypeID=1Thu, 11 Apr 2019 10:41:04 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:55a7ffb7-79d7-47c6-b42a-f5ca7d01a0cdModestas<p>Plates provide some additional stiffness to the structure so it is expected the that the deflection and utilization ratios are lower.</p><div style="clear:both;"></div>