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Recent content by civilita

  1. civilita

    Torsional Mode in Symmetrical Building

    Dear all, I am designing a symmetrical building with core braced frame with SAP 18. The problem is, my building has pure torsion as the first mode. Mode 1 - T=1.318s UX=0 UY=0 RZ=77.7% Mode 2 - T=1.168s UX=0 UY=69.3% RZ=0 Mode 3 - T=1.132s UX=70.2% UY=0 RZ=0 1. Is it...

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