On Scour's Frontier

by Michael A. Ports, Principal Water Resources Engineer; Parsons Brinckerhoff Quade & Douglas, Inc., Baltimore, MD,
Conor Shea, Sr. Water Resources Engr.; Parsons Brinckerhoff Quade & Douglas, Inc., Baltimore, MD,
Peggy Johnson, Assoc. Prof. of Civ. Engrg.; Pennsylvania State Univ., University Park, PA,
Abdul Rahmani, Manager of Special Studies; North Carolina Dept. of Transp., Raleigh, NC,


Serial Information: Civil Engineering—ASCE, 1997, Vol. 67, Issue 8, Pg. 60-62


Document Type: Feature article

Abstract: Combing both computer and physical model studies, engineers attempted to assess the scour of a new North Carolina bridge that will bear the brunt of the East coast's worst storms; the data they collected could represent significant savings in construction costs. After more than 30 years of battering, the Bonner Bridge, at the northern most inlet on North Carolina's Outer Banks, is slated for replacement. Contracted to prepare the final design of the replacement bridge, Parsons Brinckerhoff Quade & Douglas, Inc., Baltimore, identified an accurate assessment of scour as a key element in the new structure's design. Detailed modeling on scour would enable engineers to design a better bridge and save money in construction costs.

Subject Headings: Bridges | Design | Models | North Carolina | Scour | Storms

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