Taking the installation of large-span corrugated steel web segmental beam of Nanyang Xiangjiang Grand Bridge as an example,the bridge deck crane is used to carry out symmetrical cantilever assembly of corrugated steel web PC composite beams.The structural characteristics of corrugated steel web segmental beam and the principles and steps of cantilever assembly construction method are expounded.The advantages of this method are summarized,including high construction efficiency,short construction period,high structural strength and stability,saving materials and labor costs,which is conducive to site management and quality control.The engineering case verifies the practical application feasibility of the cantilever assembly construction method for large-span corrugated steel web segmental beam.
bridge engineeringcorrugated steel web segmental beamcantilever assembly construction method