• RAM Frame AISC 360 Direct Analysis Method Cannot obtain T from Applied Forces Report

    Looking at ASCE 7 AISC 360 Direct Analysis Method guide, It states to get the period T with unreduced stiffness from Loads and Applied Forces report but mine does not show T. Can you help me obtain this T?

  • there is a bug in calculating CV for beam at MEP Knee Connection

    Hi, during reviewing the equations used to calculate the cv in the panel web shear for the beam in the connection type (MEP Knee Horizontal) I find the following: if the cv will be calculated based on the G2-4 equation in AISC 360 then the root…

  • Channel Section LTB design with AISC 360

    In designing Channel Sections with AISC 360, I could not derived/verify how STAAD Pro is calculating the following variables for Lateral Torsional Buckling. (1) Fcr (2) rts (3) Lr. Could you provide the formulas used? I am using STAAD.Pro CONNECT Edition…

  • Ram Connection CVR modification

    Hi, I am wondering if modification on CVR type can be done by adding vertical brace between upper right and left brace in standard module? Or maybe there is other way to use Ram Connection for this kind of connection?

  • RE: Member truss Element fails in combined check- Select Series 5

    If I am remembering correctly the design routine in SS5 is calculating the moment due to eccentricity of the axial force, resulting in such moments/interaction checks even though the member is specified as TRUSS and does not have moments based on the…

  • RE: AISC 360 code check-strength and serviceability

    In recent versions of the software, there has been a change in the way the design is carried out for strength and serviceability as per the AISC 360 code. It requires definition of strength and serviceability load envelopes. The following wiki outlines…

  • RE: Code Checks for Dutch Flats

    As of now, flats cannot be designed in STAAD.Pro as per the AISC 360 code. If you use latest versions like 20.07.11.82, you will get a message like the one below

  • RE: One issue when torsion check using AISC 360-10

    Hi Structural Fans, As per Section 2.3.3.6 of the Technical Reference manual, only member loads of the types listed are considered for torsion. The joint load does induce a torsion but is not considered in the DG9 check. Please apply a concentrated…

  • RAM Connection - Column Splice Moment Connection (Flange-plated) & Single Shear Plate

    I am designing a column splice in RAM Connection. Both columns are W10x49 A992 Gr50. Shear = 50 kips, Axial = -300 kips, M33 = 150 kip*ft. After designing the problem, I obtain results with demand values I do not know. How did RAM Connection calculate…

  • STAAD.Pro Interactive LEARN Session: Direct Analysis and AISC 360 Specifications – April 23

    Are you running into problems while carrying out Direct Analysis for AISC 360 using STAAD.Pro? Don’t worry, I’m here to help! Join me LIVE for an Interactive LEARN Session on April 23 from 2 :00 p.m.-6:00 p.m. ET in the Structural Analysis and Design…

  • STAAD V8i series 4 (20.07.09.31) ( slenderness check)

    Hi, Currently I am using AISC 360-10, I assigned slenderness value 200 ( main 200) to members. some of the members are fail in slenderness but STAAD result shows "pass" could you please tell me why it happens ? please see attached snap below. …

  • RE: How are MpM and MpN calculated in RAM connection?

    This is how we calculate the bearing moments when the bearing length is smaller than the bearing distance (this case isn’t in Design Guide 1, but we are just using basic forces equilibrium): σ= Concrete stress= 0.3541 ksi B= 16 in N= 22 in H= Bearing…

  • mast tower staad.pro v8i

    pl lead me to STAAD PROBLEM EXAMPLE for a mast. Been to a STAAD training & seen an example problem in the handout, but no leads to it. i WOULIKE LIKE TO RUN THAT MODEL & LEARN ITS STRUCTURAL ANALY. & steel DESIGN TO Eurocode checks
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