• Why is the Plate and beam moment sign does not change with pressure load direction?

    Good Day, I am just new to Staad Pro so Kindly explain to me in very preliminary way, This is simple Slab of 350mm thickness Supported by beam of 350x350mm on four sides supported by pinned supports an uniform pressure load of 100kN/m2 is applied…

  • RAM Concrete vs Frame Forces for Columns not matching

    I'm analyzing a one way concrete slab and beam structure with moment frames in both directions, and I'm getting significantly larger design moments in RAM Concrete Column than I am calculating from the loads output from RAM frame. I have RAM Concrete…

  • Very high Moment values at walls

    Hi, I am analyzing a two way RC Podium slab, 16" thick with walls and columns as support. The walls (all the walls) have extremely high in plane moment values under All Dead Loading and under Live Loading. The way the walls and columns are oriented…

  • max moments and deflection

    Good day, I am new in staad, can someone help me with my question? my question is how to get the maximum moments and deflection of each beams in staad? what load cases to be consider? I am planning to design beams manually and I am planning to get the…

  • STAAD showing 2 different unity check values.

    Hello, I have a STAAD code which is a simple beam design with loads and I was doing steel design. On performing design I got the results of beam unity check to be 0.74 (Actual Ratio). But on double clicking the beam and then going to Steel Design Section…

  • Revit Beam tag

    Does anyone know of a beam tag that can access the information that imports from RAM Structural System? I would like to access the following in order to tag on plans: Beam Size, Top of Steel Elevation, Camber Size, Number of Studs, Start Reaction, Start…

  • Moment diagram varies for typical section

    For typical section, moment value varies.. why difference in moment ... plz anyone help me on this issue

  • RC Designer - Concrete Slab - Change of range of design moment

    Hello there, I am using RC designer under concrete design in STAAD Pro connect edition. While, I am plotting design bending moment in it, I am not able to modify color and limits for different color. In other word, I would like to modify contours of…

  • Torsion Fails

    Hi! I have a fail when designing beams with torsor. On the attached file, please could you check beams: 94, 95, 96, 194, 195, 200, 201, 206, 207?? It should be oversized, but appliying EuroCode, the ratio is up to 13! I supose I should consider some…

  • BEAM DESIGN RESULTS

    I am new in staad pro so please answer this question in very easy language....! IN Beam design results... i can't understand this details.. Can any one help me to understand this.... screen shot is attached.......

  • SOLID GEOMETRY

    I am new in staad pro so please answer this question in very easy language....! What is use of solid Geometry In Staad Pro.?

  • Moment Diagrams + to - rather than - to -

    Is there anything I can do to change the moments at each ends of the beam to (- to -) without eliminating the column or making the span longer? Any help with this would be greatly appreciated. Thanks, Chris

  • Warning : length to depth ratio for members is less than 2.5 and ENSH (1 )parameter doesnot able to remove the warnings

    Hi, i am Hitesh, i am designing a Rest house, since i have provided large number of conceal beams which resulted in subdivision of main beam between columns into small span sub beams. therfore i am getting which warning L/D ratio is less than 2.5. i have…

  • Plate Global Moments and Wood Armer

    Hi, I think this has been covered in other questions but I just wanted to obtain some clarification... when undertaking plate analysis, does the global X and Y moments take into account the XY local component? I am undertaking the design of a large…

  • I am designing rectangular tank for water storage and the value which i am getting from staad. pro is not digestible because of the location of maximum horizontal stresses in wall.

    I am attaching file please help me with value of horizontal stresses at corner I am not able to attach the file so i have uploaded it in dropbox please download and help me with this tank design www.dropbox.com/.../tank for sample without soil pressure…

  • Local Web Crippling and Yielding

    Section 3.3.3 of RAM Frame's Steel Standard Provision Technical Notes states the following regarding Local Web Yielding and Web Crippling: "To calculate the column capacity at these locations RAM Frame uses the maximum of the framing beams flange thickness…

  • RAM Structural System Joint Code Check

    PDF I am having trouble calculating the exact same value of the "Controlling Shear Force" in the Panel Zone as shown in the file below. By my calculations V = Mcap/(Beam Depth - flange thickness), for a W18x46 the RAM SS "Capacity" is 377.92 k-ft, Beam…

  • I am confused between the design paramenters to be used in th following file please check if I am right and what else is missing?

    STAAD SPACE START JOB INFORMATION ENGINEER DATE 08-Jul-17 END JOB INFORMATION INPUT WIDTH 79 UNIT METER KN JOINT COORDINATES 1 0 0 0; 2 0 5.75 0; 3 3.9 5.75 0; 4 3.9 0 0; 5 0 0 -7.5; 6 0 5.75 -7.5; 7 3.9 5.75 -7.5; 8 3.9 0 -7.5; 9 -2.1 0 -7.5; 10 -2.1…

  • STAAD Compression-Only Member With Moment Fixed

    Good day, I don't know if this is possible, but I am trying to assign a member with compression-only specification while still retaining the moment fixity of the member. As soon as I assign a member as compression-only, it treats the member like a compression…

  • Plate Girder Bridge - Neutral Axis to Calculate Moment at Midspan

    Please see the attached STAAD model as a reference. I am modeling a bridge with four 72" deep plate girders + 10" thick concrete deck on top. I have modeled everything using plate elements and I'm in the process of calculating the midspan moments due…

  • RE: Static check result

    Here are a couple of pointers. If you are carrying out a first order analysis ( PERFORM ANALYSIS ) the moments should balance. If there are differences, see how much that is in %. If the difference in % is insignificant, it may be due to rounding off…

  • Concrete Column Minimum Eccentric Moment

    Product(s): RAM Structural System; Concrete Column Version(s): Any Area: Design Why is the reported moment larger than the reported member forces? The concrete column design report indicates the ultimate factored…

  • Does STAAD show maximum shear & moments in the DECK or in the GIRDERS?

    We have modeled a two-span continuous bridge (50' spans), 6 girders in the cross section (60' bridge width). We are loading with truck & tandem loadings per AASHTO bridge design specifications. When analyzing for maximum positive & negative shears and…

  • Re: Offset Column

    I have attached another modelling Structure 3 . It's same as structure 2 (from General option) but I don't use offset. I think if I use offset it will be incorrect because without offset the column has already connect to the beam even the extrude…

  • Offset Column

    Hi SIr, I have made 2 modelling compare the offset function of column L-shaped. The column at modelling 1 is made from Angle at Create User Table. The column at modelling 2 is made from General at Create User Table. The resulted moment…
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