A method to remove steel post inducing local buckling after completion of bridge erection to use it

摘要

PURPOSE: A removal method for a steel post using buckling is provided to remove a steel post safely and easily by decreasing working load added on a steel post and a screw jack. CONSTITUTION: After completing a temporary work for a structure by installing a steel post and a screw jack, the removal method for a steel post using buckling comprises the steps of: forming cut ends by cutting a portion of steel posts(2) supporting a structure(3); if the load added on the steel posts(2) is decreased by partial buckling, removing the steel posts(2) by rotating a screw(4a) of a screw jack(4).