Composite Construction Cuts Costs By P.V. Banavalkar, Ph.D., P.E. Free-spanning Vierendeels link perimeter composite supercolumns at One Detroit Center. Achieving Ductile Behavior of Moment Connections By Eric J. Kaufmann, Ming Xue, Le-Wu Lu and John W. Fisher The results of recent tests suggest that weld metal toughness holds a key to achieving better moment connection performance in earthquakes. Proprietary Solution By Ronald F. Nelson, S.E. One remedy for special moment-resisting frame problems is the use of a system developed by MNH-SMRF. The Effect of Burrs on the Shear Capacity of Bolted Connections By RCSC RCSC Education Committee Bulletin No. 5 Editor's Note