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  1. jesosan

    local coordinate system orientation beta angle reference

    I have a model where columns are sligthly non paralell to global Y axis, and if fact each one has different angles between the x axis local and the X,Y and Z global axis; when you verify in the STAAD.Pro GUI to get a visual representation of the directions the local x and y axes point to they...
  2. jesosan

    LFD & LRFD

    [atom] [spin] Are you sure is not an ASD vz. LRFD comparison what you are looking for? ASD Allowable Stres Design = Old method LRFD Load and Resistence Factor Design = Most Recent Method
  3. jesosan

    TORSIONAL FREQUENCIES-ROTACIONAL MASS-MODE SHAPE

    [ATOM] [ATOM] In the simple structures i've modeled in STAAD i have tested the master/slave option to acomplish Guyan reduction or slab modeling with plate elements to simulate diafragm rigidity. In both cases results are the same: altough traslational...
  4. jesosan

    TORSIONAL FREQUENCIES-ROTACIONAL MASS-MODE SHAPE

    [atom] In the simple structures i've modeled in STAAD i have tested the master/slave option to acomplish Guyan reduction or slab modeling with plate elements to simulate diafragm rigidity. In both cases results are the same: altough traslational frequencies are close to that calculated by SAP or...
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