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  • 1.  Floor diaphragm error in Staad Pro

    Posted 07-02-2018 05:20 PM
    Edited by Tirza Austin 07-02-2018 05:19 PM
    Can anyone help me solve the error in STAAD PRO?
    I'm facing these whenever I apply both seismic and wind load simultaneously. 
    Floor diaphragm error. I have attached my STAAD file here. I need the reason for the error and steps to solve the error. 
    Thanks in advance to all ASCE members. 

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    Praveen Anand S.M.ASCE
    Chennai TN
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  • 2.  RE: Floor diaphragm error in Staad Pro

    Posted 07-03-2018 09:58 AM
    Edited by Tirza Austin 07-03-2018 09:58 AM
    you are giving load without applying slab thickness.
    go to
    General - properties - thicknes

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    Rohit Gupta S.M.ASCE
    New Delhi ND

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    Original Message


  • 3.  RE: Floor diaphragm error in Staad Pro

    Posted 07-03-2018 10:01 AM
    Seismic load cases need to be defined first in the list of load cases.

    ​Corrected file attached for your reference.

    br
    Nikesh Ranjan

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    Nikesh Ranjan Ph.D., M.ASCE
    Nikesh Ranjan
    Delhi ND
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    Original Message


  • 4.  RE: Floor diaphragm error in Staad Pro

    Posted 07-05-2018 10:35 AM
    Edited by Tirza Austin 07-05-2018 10:35 AM

    Most likely you do not have a PERFORM ANALYSIS command after the load cases or combinations and before the FINISH as shown below....

    LOADING 2 WIND FROM LEFT

    MEMBER LOAD

    1 2 UNI GX 0.6 ; 8 TO 10 UNI Y -1.

    LOAD COMB 3 75 PERCENT DL LL WL

    1 0.75 2 0.75

    PERFORM ANALYSIS

    FINISH

    You may use the command editor to add the command before finish. You may add it using the GUI as well as explained next 

    In STAAD.Pro Connect Edition : Use the menu option Analysis and Design > Analysis Commands

    In STAAD.Pro v8i : Use the Analysis/Print page on the left inside the Modeling mode.



    ------------------------------
    Abdulkareem Jamiu S.M.ASCE
    Project Manager
    TOTALMARK GLOBAL LIMITED
    Ilorin
    234234 8169182403
    ------------------------------

    Original Message


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