Seismic Cyclic Loading Test of SRC Columns Confined with 5-Spirals (2 of 3) (IMAGE) Science China Press Caption Traditional SRC columns confined with rectangular hoops. Credit © Science in China Press Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.