파형강판을 이용한 지중-강판 교량의 시공현장계측

Abstract

The soil-steel bridges which were introduced in Korea recently are widely used instead of underpasses of highway or small bridge. This bridge is a kind of flexible buried conduit which sustain the applied load by the interaction with the backfill soil. The 6.25m dia, round soil-steel bridge was instrumented so as to investigate the behavior of load sustenance. The axial forces and moments at the 7 locations around the metallic shell were calculated from the measurement of strains during backfilling. The maximum axial force and moment were compared with those of various design predictions. Finally, the stability of bridge was evaluated.