Evaluation of the Maccaferri Terramesh System Retaining Wall
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF/IIEC Innovation Center. This report describes a HITEC evaluation designed...

Rising Tide
In an effort to accommodate a new light-rail system in New Jersey between Camden and Trenton, the state's Department of Transportation began the formidable task of enhancing...

Changing Lanes
The Rhode Island Department of Transportation (RIDOT) plans to relocate Interstate 195 in downtown Providence began as a safety improvement project but has since grown into an ambitious...

Metamorphosis
Ranked as one of the 15 tallest buildings in New York, the headquarters of the Bear Stearns Companies, Inc., is a 45-story skyscraper that is 815 ft (248 m) tall. Replacing an existing...

Twin Crossings
The Hungerford Bridge actually comprises twin pedestrian bridges that are being constructed on either side of an operational 19th century railway bridge over the River Thames in London....

Strength from Within
After decades of being continuously struck by rockfalls and wayward vehicles, Knapps Hill Tunnel�a highway structure built in 1936 and located on state Route 97A in central Washington...

Big Idea
The reconstruction of the Big I�the intersection of interstate routes 25 and 40 in Albuquerque that was named for its appearance from the sky�was likely to disrupt commuters and interstate...

Ahead of the Curve
Four curved steel girder bridges for Pittsburgh's light-rail project posed challenges ranging from multiple site constraints to special rail loads and welded rail interactions....

The Train Lane
With the elimination of more than 200 at-grate roadway crossings, the Alameda Corridor - $2.4-billion rail cargo expressway in Los Angeles - will carry 100 freight trains in and out of...

Reconstructing a Grand Boulevard
Wacker Drive, the two-level riverfront roadway that has defined the boundary of Chicago's business and cultural district for more than 75 years, is undergoing a much-needed...

Freight Pipelines: Past, Present and Future
Freight pipelines are a set of time-honored methods to transport solids by underground pipelines, and the technology is improving. However, for intercity and interstate freight transport...

Economic Restoration of Concrete Infrastructure at Jefferson Parish, Louisiana
United States municipalities are spending hundreds of millions of dollars annually tore place and repair corroded concrete infrastructures in wastewater systems. Structures such as wet...

Turbulence, Bottom Boundary Conditions, and Sediment Transport in a Shallow Water Habitat
Field experiments were designed to explore the effects of vegetation on the hydrodynamics and sediment transport in Franks Tract, a shallow water habitat in the Sacramento-San Joaquin...

Effects of Wildfire on Water Supplies: A Case Study from Denver, Colorado
Wildfires can directly impact municipal water supplies by increasing a watersheds susceptibility to erosion, and thereby potentially increasing the transport of sediment and organic matter...

Erosion from an Industrial Forest Road in the Ouachita Mountains of Southeastern Oklahoma
Erosion from 4 segments of a 2-year old forest road in a 740 ha basin was measured for each of 105 storms that occurred in a 3.5 year period. Two road segments were part of a mid-slope...

Investigation of Flood Protection from Alluvial Fan Flows and Minimizing Impacts to a Sensitive Habitat Preserve: Whitewater River Basin, Coachella Valley, California
The study describes and evaluates (1) the baseline conditions to hydrology, hydraulics, wind transport of sand, sediment transport by fluvial process, the environment, economics, and (2)...

Design Considerations for the North Railroad Alluvial Fan Levee System in Boulder City, Nevada
This paper presents a drainage study for a flood control levee system in Boulder City, Nevada. This levee system is located below an alluvial fan watershed and was proposed to protect...

High-Performance Highway
Straightening and widening 118 mi (190 km) of state road 44 in northwest New Mexico in under three years required some innovative financing. Not only did the New Mexico State Highway and...

Making the Most of HPC
Developing high-performance concrete (HPC) was only the first step toward bringing a material with improved durability, strength, constructability, and mechanical properties to the bridge...

Transporting Hong Kong
In response to a mobile, rapidly growing population, Hong Kong's Kowloon-Canton Railway Corporation is constructing West Rail, a HK$51.7 billion (U.S.$6.7 billion), 30.5 km...

 

 

 

 

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