Published jointly by the Federal Highway Administration and the National Concrete Bridge Council
Henry G. Russell, Henry G. Russell, Inc. Self-consolidating concrete (SCC) must have the ability to flow under its own weight, to pass reinforcing bars or other obstacles without segregation, and not segregate during or after casting. The following ASTM standard
Read More >>ASTM Test Methods for Self-Consolidating Concrete
Ganapathy Murugesh, California Department of Transportation The new Benicia-Martinez Bridge across the Carquinez Strait on I-680 is an engineering marvel with the incorporation of several unique design and construction features. This 1.4-mile (2.3-km) long crossing is an important addition that
Read More >>Lightweight Concrete and the New Benicia-Martinez Bridge
Rodney T. Davis, Formerly with Virginia Transportation Research Council Virginia has recently built several bridges with lightweight concrete beams and decks including the Route 33 bridge over the Mattaponi River. The measurement programs for these structures indicated that the high
Read More >>Creep and Shrinkage of Structural Lightweight Concretes
Rex Gilley, PB Lightweight concrete was specified for use in three units of the Route 33 bridge over the Mattaponi River in Virginia. One unit consists of three spans of 145 ft (44.2 m) each that utilize prestressed concrete bulb-tee
Read More >>Lightweight Concrete for the Route 33 Bridge over the Mattaponi River
John Gajda, CTLGroup High performance concrete (HPC) is routinely used in all elements of bridge construction from the foundations to the wearing surface. HPC is utilized for various reasons, including the need for high early strength, low permeability, and ease