• Moment-curvature Relation for a Beam Using Shell Finite Element Model

    Small deformation Large deformation Moment-curvature Relation for a Beam Using Shell Finite Element Model In many practical applications it is advantageous to use a hierarchical modeling approach. In general, it involves using a higher…

  • How does RAM Compute the stiffness for deflection of a cantilevered beam?

    In Ram, I am designing a beam with a short cantilever per AISC 360. I am curious about how the program computes the deflection when I define the beam as composite, since the stiffness (Inertia) under live load varies depending on the span loaded. Does…

  • Irregular section beams are rotated in the RCDC output data

    Hi, I am modeling a house and created "L" section beams with the User Table Manager. It turns out that the model runs correctly, but when I go to RCDC, some of the beams are rotated 90°, as you can see in the following image: I cannot find the error…

  • MISSING BEAMS AND NODES IN MODEL WHEN REOPENING FILE OR EDITING IN STAAD EDITOR | STAAD.PRO CONNECT

    Hi! I have this problem with the STAAD File missing elements when I save the model and reopen it later. This shows up when I open the file, and clicking Yes shows the warnings about the "Beams #123 is not found in the structure, removed from…

  • Beams can be designed in groups if the Beam arrangement is similar at all Floors.

    ​ ​ Applies To Product(s): STAAD Advanced Concrete Design Version(s): Connect Edition Environment: Area: Concrete Design Subarea: Beam design Original…

  • Edge Beam Mesh Designation 2-Way Slab

    For edge beams on a 2-way slab, just along the N/S faces, would the "Standard" designation that's imported from RAM SS be the correct "Behavior" of the member (in the Mesh layer) or would "No-Torsion" be a better option? I understand that it's suggested…

  • Transfer of Loads - Slab

    What method in RAM Elements is used when transferring loads from slab to masonry wall? If I insert a beam on a cantilever parts of the model, does it transfer the loads to the wall supporting the beam? Why is that when I tried designing a beam, only its…

  • Can I/How to hide nodes, elements, beams in the GUI in STAAD

    Hello, There are times I want to hide, not delete, certain nodes, elements, members when building a model - I may determine I want to use these again therefore I do not want to delete. I know I can "comment" them out using an asterisk in the STAAD editor…

  • SURFACE LOAD FOR STEEL BEAM GRATING/GRID

    Hi, I am designing a steel beam grid (IPN240) and I want to apply a uniform surface load (10 kN / m2) to be taken by the beams. Is there any way to do this without creating a slab on which to apply the uniform surface load? As shown, no…

  • OpenSTAAD API function to merge beams

    Hi, I've have to delete a node between 2 beams. I need to merge the 2 connected beams into only one beam getting properties from the first one. I found the SplitBeam function but i cannot find a reverse merge function void OSGeometryUI…

  • Tributary Load on Slab Opening

    Hello, I am working on a school project, so I am not experienced, just to be clear. But I have a slab openings on my floors for stairwells and elevators in the RAM modeler. However, my understanding is that RAM won't apply floor loads where there…

  • RCDC-Slab

    Applies To Product(s): STAAD Advanced Concrete Design Version(s): Connect Edition Environment: Area: Concrete Design Subarea: Slab Design Original Author: Bentley Technical…

  • RE: WARNINGS DURING ANALYSIS.

    It's very hard to say without the model (or a least of view of the design strips). Consider the bottom bars in a beam. The program is going to determine the number of bars (based on the bar size specified in the design strip properties) required to meet…

  • Why DXF exported plans do not show studs on frame beams?

    When exporting framing plans to dxf frame beams do not show studs assigned to them. What is the philosophy behind that? Beams are designed in RAM Frame module, and after that their stud assignment is updated in the RAM Steel Beam Module. Can the stud…

  • RE: RAM Concept Stiffened Raft

    1. A lot of people use no-torsion beams. Program manual section "38.1 Beams" discusses why it's a good idea, especially for beams that are deeper than wide. 2. Beams are all meshed as part of the slab so it does not matter how they are modeled, segmented…

  • RAM Concept - Beam Torsion

    We are investigating some post-tensioned beams that are failing the torsion checks (due to ACI 318-11 Eqn 11-18). Under the torsion design options, there is 'Beam', 'As Shear', 'As Bending', and 'Wood Armer'. In the manual, you are clear on not using…

  • Featured LEARN Course: Modeling Beams, Columns, and Braces

    Users of Bentley’s STAAD.Pro software wanting to learn techniques for modeling beams, columns, and braces will want to take advantage of Bentley’s training course called “Modeling Beams, Columns, and Braces.” In this course, you will learn how to take…

  • Large model

    Greetings, I have a very large and complex machine to be modeled and to be analyzed in STAAD Pro. This machine is very huge made of plates and beams. Now since I am modelling most component as plate. I have few queries:- 1. Is it necessary to mesh…

  • STAAD - Box Frame - Error in design

    Dear fellow users, I am trying to design in STAAD a BOX FRAME for a structure. This box frame has an intermediate (smaller) restraint beam which helps for stability. When running the analysis with the necessary loads, it seems that this intermediate beam…

  • Connecting Beams

    Hello i am an engineering student, that was wondering if you should "merge" the beams togetther when you draw the structure in staad. I did not do this and is wondering if the stress calculation will be wrong if i don't. Should i merge every beam together…

  • RAM Concept - Torsion in Beam Members

    Hello. I have a 2-way flat slab with a banded/uniform PT layout. Around my elevator and stair openings, we have beams framing the openings. My question is in regards to failures resulting from higher than expected values of torsion in these beams …

  • RAMSS Composite beams being designed as non-composite members

    This problem is occurring on RAM Structural System v8 i 14.05.03.00 My problem is pretty straightforward. I have a model that was designing composite beams correctly. However, when I added a couple of cantilever beams and changed the deck/slab area…
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