this represent an increase of 2.5 and 2.2 times the de-

stren- that the enormous elastic strength and the demanded elastic strength was furnisheo in great part by the many incursions of the steel - large ductility values - stable hysteresis cycles. to assess the elastic rotations of the connec- tions and consequently the deformational behaviour of such connections. -- flexibility the panel- of which were indeed responsible in a good part of drifts in frames, but scarce energy dissipation. is now under consideration, to ig