The Structural Engineer > Archive > Volume 40 (1962) > Issues > Issue 7 > The Plastic Design of Latticed Portal Frames Discussion on the Paper by B. H. Fisher, B.Sc., A.M.I.S
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The Plastic Design of Latticed Portal Frames Discussion on the Paper by B. H. Fisher, B.Sc., A.M.I.Struct.E., A.M.I.C.E., Jacques Heyman, M.A., Ph.D., A.M.I.C.E., and L. G. Jaeger, M.A., Ph.D., A.M.I.C.E.

PROFESSOR B. G. NEAL (Associate-Member) said the authors had successfully extended the application of the well known method of plastic design to a range of latticed portal frames. However, in general, the plastic methods should not be used for such structures unless certain conditions were fulfilled; he drew attention to those conditions and discussed how they were met in these particular frames.