ASSEMBLY TYPE BRIDGE LOWER STRUCTURE HAVING SOCKET TYPE ELASTIC DUCT COUPLER AND METHOD OF CONSTRUCTING THE SAME

Method to Compress Prefabricated Deck Units by Tensioning Elements at Intermediate Supports

Apparatus for connecting a precast deck slab with a beam on a bridge and method for connecting the slab with the beam using the same

U-shaped span for railway track

Method of installing prefabricated, segment concrete filled tube members

Prefabricated, prestressed bridge system and method of making same

Prestressed composite girder, continuous prestressed composite girder structure and methods of fabricating and connecting the same

Bridge construction system and method

Structure and method of connecting I-type prestressed concrete beams using steel brackets

Prestressed or post-tension composite structural system

Bridge structure and method