ACCELERATED BRIDGE CONSTRUCTION METHODS FOR BRIDGE 1-438 REPLACEMENT

摘要

This paper presents the design and implementation of Accelerated Bridge Construction (ABC)techniques for Bridge 1-438 on Blackbird Station Road over Blackbird Creek. The 50’-0” single span beam bridgeacts as Delaware’s first all precast bridge and incorporates the nation’s second UHPC overlay. It illustrates thepros, cons and lessons learned from using ABC techniques for the replacement of Bridge 1-438. The paper willalso discuss the collaborative efforts between federal and state agencies in producing specifications and plans.