A Reduction Method of Residual Displacement of Steel Frame with Slip-type Restoring Force Characteristics of Column-base under Earthquake Ground Motion

Abstract

This is an investigation of method for reduction of residual displacement of steel frame subjected to earthquake ground motion. Considering slip-type restoring force characteristics of column-base, the magnitude of lateral displacement of 5-story weak-beam steel frame model is estimated by earthquake response analysis. To reduce the residual displacement of the weak-beam steel frame, the design method of elastic 2nd floor beam together with elastic column is proposed.