Outline of the New Construction Project over the Kelani River

Abstract

Abstract: This project is to construct part of urban expressway in the most congested area in Colombo, Sri Lanka. It is featured by a long-span prestressed concrete extradosed bridge and elevated steel box girders supported by steel portal frame piers. This paper presents outline of the project by focusing on the advancement of technologies employed in this design, construction method and long-term durability.