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  • RE: Modeling Roof and Floor Diaphragms in Staad Pro V 8i

    Here are the answers to the questions 1. A steel roof deck without concrete filling or a checkered plate floor are usually not considered as rigid diaphragm and so using master slave ZX will not be appropriate. If you would just want the loading on…

  • RE: Senior Design Project using RAM Structural System

  • RE: RAM SS - Check Self Weight of Deck

    Take a look at RAM Manager manual, section 7.2 Metal Deck Table File Format. There is a property called AcRib which is "the area of concrete in the rib per foot or per meter of deck width (in.2/ft. or cm2/m)." This value is used for the calculation…

  • RE: Sloped Roof with Ridge

    Only model one outer slab edge. Inside this all-encompassing slab edge, model 2 deck areas, one for each slope. Snap the deck areas to the beam line along the ridge (and along the perimeter beams). If you see the deck shooting out into space in 3D, it…

  • Effects of Changing Deck Type

    Product(s): RAM Structural System; Ram Steel Version(s): Any Area: Analysis; Design Problem Loads on beams from one-way deck are not calculated as expected when the deck changes along the length of the beam or between…

  • Timber causing Material error in STAAD Output?

    I'm modeling a 3 stringer short span timber bridge in staad. The model consists of the three beams and deck planks (which are modeled as Plates). All geometry, material properties, supporting, and loading have been assigned. There is only one error in…

  • Problem caused by beam offset?

    I modeled a 3 stringer bridge with plates. I created offsets for the beams, but immediately after doing that dashed lines extending out appeared. Could anyone explain what's going on here?

  • Changing plate properties

    I'm modeling a short span timber bridge in STAAD, and using plates to model the deck planks. How do I assign either timber or user defined material properties? Also, should I insert nodes at all places I want a deck plane and define a plate there? …

  • Undergraduate student question on STAAD

    I'm an undergraduate taking a structural analysis class. Our lab section teaches STAAD, and I know I want to build a bridge deck like the one below. The bridge deck being modeled is a width-wise plank system for a short span timber bridge. I understand…

  • RAM Table Editing [FAQ]

    Product(s): RAM Structural System Version(s): 10.00.00.00 or later Area: Tables How can sections be added to the RAM Structural System tables? For a detailed explanation of table editing please refer to the RAM Manager…

  • RAMSS Two Way Decks [TN]

    Product(s): RAM Structural System; Ram Frame; Ram Concrete Version(s): 14.00.00.00 or later Area: Analysis Use of Two way decks in RAM Structural System The table below clarifies how One way and Two way decks can…

  • Steel Deck with stiffeners

    I have a query regarding how to model a steel deck plate (6mm thick) supported on 100x65x7thk angles which are fully welded to the underside. The floor is made up of 533 deep UB sections spaced at 4m centres. The angle stiffeners span 4m between the beams…
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