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Plastic hinge in SAP2000 (NSP)

Plastic hinge in SAP2000 (NSP)

Plastic hinge in SAP2000 (NSP)

(OP)
Hi guys,
   I am analyzing a dual reinforced concrete shear wall/ moment frame system in sap2000 using a nonlinear static procedure.  I assigned a shear wall as a column and offset the ends to stiffen the beams.  I assigned hinges to my beams and columns by defining a moment-curvature (according to FEMA) diagram and a interaction diagram (ACI 318-99 given in SAP2000).  Now my problem is that when I try to assign the interaction diagram for the shear wall (ACI 318-99) I get an Error that hinge property cannot be assigned to the shear  wall.  I believe it is error 17.  How can I assign an interaction diagram for the shear wall.  If anyone has done a  hinge for a shear wall, your input would be greatly appreciated because I am not sure if my moment curvature   is accurate.        

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