Congratulations to Aradhana Agarwal and Derek Kozak, who recently presented at national conferences!  Aradhana presented her paper, “Seismic Performance Assessment of Steel Multi-Tiered Ordinary Concentrically-Braced Frames” at the Structural Stability Research Council Annual Stability Conference, which is held as part of the AISC North American Steel Construction Conference.  Derek presented his paper “Effects of soil conditions on the seismic response of three-span integral abutment bridges” at the ASCE Structures Congress.