An Overview of Experimental Research on the Welded Joints between No- internal Diaphragm Square/Rectangular Tubular Columns and H-Beams

Plentiful studies are reported on the semi-rigid behavior of joints between open section H shaped beam and column, but researches focusing on the semi-rigid performance of joints between square/rectangular hollow section (SHS/RHS) column-to-H shaped beam is to lag a lot. Most studies shows that when the SHS/RHS column connecting the H beam without internal diaphragm, the joints behavior is semi rigid in most cases. The details of welded connection between SHS/RHS column-to-H beam without internal diaphragm is diverse, and factors influencing the properties are complicated. This paper reviews the current research situation about such type of connections. The classification of connections is conducted basing on the main detail characteristics. The capacity research status of different detail connections is analyzed and summarized. The aspects for further research are presented.