Complex Structures at Interchange 6 of the New Jersey Turnpike Widening Program

摘要

NJTA is completing a $2.5 billion program to widen the New Jersey Turnpike from Interchange 6 to9, including the construction of five complex curved ramp bridges connecting the Turnpike mainline to/from thePearl Harbor Memorial Turnpike Extension at Interchange 6. Design and construction considerations included:the use of HPS 70W transverse steel pier caps and self-consolidating concrete for drilled shafts; stone columns forground improvement; value engineering refinements during design; and various contractor innovations.