• Similar models showing very different results (Beam end forces, displacements, base pressure...)

    Hello, I´m designing two small guardhouses in STAAD.Pro V8i SS5, both are RC structures with slab foundations, they are almost equal in principal geometry, loading and sections, the only thing that changes considerably from one model to the other is the…
  • Problem modelling plates on top of beams for elevated steel water tank

    I am trying to model a Elevated steel water tank with bracing for analysis in STAAD.Pro. While modelling the structure I've encountered a problem and would like your help. The problem is: While the beam offset works perfectly for modelling a beam…
  • Problem with the tool "RESULT ALONG LINE" after update V22.02

    Comparing the solicitations obtained from the Result along line command, before and after installing the update from the V22 update 1 version to the update 2 version, the results are different. With the previous version, I calculated plausible values…
  • How to draw cross build up column

    1. how to draw cross build up column (like "+" ) 2. how to add in user Table for regular purpose. 3. how to determine the section property for buildup column. I need to assign Build up column like this. with size D -600 B- 300 Tf- 25 Tw…
  • Suspension Cable Bridge (Error)

    I tried to model a cable suspension bridge for pipes to cross a river. I tried all the possible solutions but still errors are present. I also wanted to know if the cables i used are capable of carrying the loads i applied.. Please I need help! :(
  • UC Ratio problem

    warehouse.zip wind calculation also in that folder.... try to fix this probem guys
  • COMPOSITE DECK

    Dear sir, I designed a structure by using both method.in first method i deaigned it by composite beam method.and in second method i do it with composite deck.but by using composite beams giving lower utilization ratio than composite deck method.can…
  • Error while importing dxf to section wizard in Staad Pro from AutoCAD

    I am analysing an RCC box girder for which some peculiar tapered sections have to be created. I created a tapered rectangular section in AutoCAD 2014. I used polyline to create the 2D and then extruded it to make it a solid 3D section. Now when I import…
  • tension & compression flange utility ratio for built-up i-section

    Is there any option to get report for the tension & compression flange stress ratio of built-up I-section for the critical load cases.
  • vibration check

    Dear sir , Kindly give me direction how I can check the deflection for the specific beams.stad file and drawing is attached.consultant want vibration check for specific beam.thanks. PDF STORE.std2.std
  • IX MISSING or SMALL

    HI i created a built up section using Section wizard. while analyzing my model, i receive a error message that, ***ERROR*** IX MISSING or SMALL FOR MEMBER 1 How to rectify this issue.
  • how to get the loadings details in report????

    I have got my report, but there is no loading details like dead load, Wind loads and all... In report settings i have added Loadings, but its not showing.... Wt to do???? i want to see other load details. How to get that details?
  • UC Ratio problem

    Actually i need all members UC Ratio values. How to get all values???? Please guys guide me New folder (2).rar
  • how to reduce deflection????

  • Need to understand Staad Design Parameters for IS800 and IS456

    Is there any sample problem of STAAD or any documents which can help to understand how and in which conditions STAAD Design parameters can be used for IS 800 and IS 456. Basic parameters like FYLD ,Fck , CLEAR ,TRACK,TAKE OFF are easy to understand,as…
  • difference in steel design results

    please check the code attached. I'm trying to design a purlin section on staad pro using various indian codes. in steed design result is800 and is800 2007 WSD failed the section BUT IS800 2007 LSD passed the section. should I consider this section passed…
  • torsion

    Dear sir, when I select torsion perimeter in design, I am getting warnings.I also submit this file and got consultant comments which are given below. 1 For lateral torsional buckling check of cantilever beams UNB and UNT parameters to be assigned…
  • NOTIONAL LOAD

    SOME CLARIFICATION REQUIRED IN THE USE OF NOTIONAL LOAD *PRIMARY LOAD CASES LOAD 1 DEAD LOAD (DL) JOINT LOAD 13 TO 16 29 TO 32 45 TO 48 61 TO 64 FY -100 LOAD 300: DEAD NOTIONAL LOAD NOTIONAL LOAD 1 X .002 THE ABOVE NOTIONAL LOAD IS APPLIED…
  • LRFD LOAD COMBINATION WITH NOTIONAL LOAD

    I AM TRYING TO USE NOTIONAL LOAD IN THE LRFD DESIGN. CAN ANYBODY CONFIRM IF I HAVE FORMED THE COMBINATION CORRECTLY? PLEASE ALSO CLARIFY IF I HAVE TO DO P DELTA ANALYSIS THEN THE COMMAND FOR THE SAME IS PERFORM PDELTA ANALYSIS AND NOTHING ELSE REQUIRED…
  • I want to insert CFS section to my staad pro model

    THIS PROPERTY ONLY.... I WANT TO USE IN MY STAAD MODEL.... HOW TO USE THIS AS A COLDFORMED STEEL (AMERICAN)
  • Tank Foundation

    Hello, I have one concern with regard to SFA capability to design mechanically anchored tank foundation. As shown above, technical reference manual is saying not covered while on the software itself showing mechanically anchored option. Now…
  • Retrieving assigned steel design parameter via OpenSTAAD

    Similar to the "Command.CreateSteelDesignCommand", is it possible to retrieve assigned steel design parameter information for beams? In particular, I am interested in material grade data (fyld and fu) assigned to members for design.
  • Beam Failing

    Hi STAAD community, I'm currently designing a curve stair and there's one beam that's failing. Please help me on why this is happening since I tried to do it on a new STAAD file and now it's not failing which makes me doubt I've done something wrong…
  • Concrete Column ACI 2011, Strength reduction factor for Column Interaction

    during review design of concrete column, it's noticed that strength reduction factor considered as 0.65, it's understood that strength reduction factor varies between 0.65 (compression control section) to 0.9 (tension control section), by reviewing…
  • Property Reduction Factor

    Can you please tell me while using the property modification factor for Beams and Columns (0.35 and 0.7) why does STAAD give us less Steel rather than providing more?