High-Performance Concrete for the Woodrow Wilson Memorial Bridge

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Title: High-Performance Concrete for the Woodrow Wilson Memorial Bridge

Author(s): T.A. Kite

Publication: Special Publication

Volume: 228

Issue:

Appears on pages(s): 849-862

Keywords: bridges; high-performance concrete; mass concrete; post-tensioned concrete; precast segmental concrete

Date: 6/1/2005

Abstract:
The Woodrow Wilson Memorial Bridge carries traffic on both I-95, the primary north-south corridor on the east coast, and I-495, the Capital beltway. In order to increase capacity and replace the rapidly deteriorating existing structure, a new bridge is currently under construction. A unique system of V-shaped piers and haunched steel girders are utilized to aesthetically provide an arch shaped appearance. The bridge foundations, V-piers, bascule piers, abutments and deck slab will be constructed using high performance concrete. A discussion of the various admixtures used in the concrete mix to provide a durable concrete that minimizes cracking and chloride intrusion into the concrete will be presented.