Competitive Edge
A new design system called the simplified economical bridge design (SEBD) makes steel cost-competitive with concrete for short- and medium-span bridges for the first time. In fact, a comparative...
High-Tech Inspection
The Federal Highway Administration's National Bridge Inspection Program requires the states to report the condition of its bridges as determined by visual inspection, and...
Evaluation Findings for Seismic Energy Products, L.P. Elastromeric Isolation Bearing
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report presents the results of a detailed evaluation...
Environmental Technology Verfication Report for Installation of Silt Fence Using the Tommy Static Slicing Method
Prepared by the Environmental Technology Evaluation Center (EvTEC), a CERF Innovation Center. This verification report describes a field evaluation...
Evaluation of the CON/SPAN Wingwall System
This evaluation was performed on CON/SPAN Wingwalls, precast concrete end walls for the CON/SPAN Bridge System developed, designed, and supplied by CON/SPAN Bridge System, Inc....
Road Test
The National Center for Asphalt Technology at Auburn University is building a $7 million, 1.8 mi (2.9 km) oval test track to perform accelerated pavement loading experiments. At least...
Digging for Answers (Available in Geoenvironmental Engineering Special Issue only)
Research at the six facilities that make up the National Geotechnical Experimentation Sites (NGES) has included tests on minipiles, groups of driven piles, shafts drilled in rock, and...
Testing the Load (Available in Geoenvironmental Engineering Special Issue only)
The Pittsburgh District of the U.S. Army Corps of Engineers recently began construction of a new gated dam to replace a nearly 100-year-old concrete fixed-crest dam on the Monongahela...
The Viable Alternative
The Benicia-Martinez Bridge is a high-level, welded deck truss bridge that carries Interstate 680 over the eastern end of the Carquinez Strait near San Francisco. To bring the bridge into...
Phase II Evaluation Findings
The Segmental Concrete Channel Bridge System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report represents the second component of the...
Weighing Anchors
Modern anchorage systems offer design engineers and contractors unprecedented choice in load transfer mechanisms. Some anchors are highly specialized, while others are appropriate for...
Evaluation Findings for Dynamic Isolation Systems, Inc. Elastomeric Bearings
This report,
Evaluation Findings for R.J. Watson Sliding Isolation Bearings
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...
Pipe Up
The East Bay Municipal Utility District (EBMUD) provides potable water for approximately 1.2 million people in San Francisco's East Bay area and is constructing seismic upgrades...
Overcoming Barriers
Lifeline Seismic Improvement Programs
Prepared by the Technical Council on Lifeline Earthquake Engineering of ASCE. This TCLEE Monograph studies seven large lifeline organizations that...
Evaluation Findings for Enidine, Inc., Viscous Damper
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...
Evaluation Findings for Oiles Multiple Viscous Shear Damper (MS-DAMPER)
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...
Evaluation Findings for Taylor Devices Fluid Viscous Dampers
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...
Guidelines for the Seismic Evaluation and Upgrade of Water Transmission Facilities
Prepared by the Technical Council on Lifeline Earthquake Engineering of ASCE This TCLEE Monograph provides guidelines for the seismic evaluation and...
Perpetual Pilots
Because testing new processes, treatment chemicals, and operational modifications is difficult in full-scale water treatment facilities, many utilities are installing permanent pilot plants....
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