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Attic truss analysis

thread801-152264

Attic truss analysis

Attic truss analysis

(OP)
I am currently analysing an attic truss rafter as a single 2-D frame frist in SAP2000 step 2 is to replicate as a roof structure. my problem lies with applying end releases to the members. When i release major; minor moments and torsion to simulate a pin the frame fails the sap analysis. What am i doing wrong
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RE: Attic truss analysis

You have to adjust the DOFs in the Analysis-Options according to the releases made to your joints.

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