Corinthian Crossing
The mainland Greece will soon be linked to the Peloponese by one of the longest cable-stayed bridges in the world, the Rion-Antiron Bridge, which also happens to feature soil-enhancing...

Rapid Delivery
Facing nearly dry wells and a moratorium on development that was about to expire, a small town in the pacific Northwest, using the design/build delivery method, was able to quickly design...

Uses and Limitations of Conventional Hydraulic Models in the Planning and Design of Storage Tunnels
The hydraulic design of storage tunnels requires special considerations relative to the design of conventional sewers. These issues include characterization and control of inflows, energy...

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...

An Aggressive I/I Abatement Program is Underway as Part of Vallejos Wet Weather Program
The Vallejo Sanitation and Flood Control District (VSFCD) is undertaking an aggressive pilot program to control wet weather flows and eliminate sanitary sewer overflows (SSOs) that are...

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...

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...

Out of the Way
The 0.9 mi (1.4 km) long Fort Washington Way was built in 1961 as a distributor for local downtown traffic. It quickly became a critical section of the region's Interstate...

Beltway Connection
The Woodrow Wilson Memorial Bridge carries the Capital Beltway (I-495) and a part of I-95�the main north�south interstate route on the East Coast�across the Potomac River south of Washington,...

Modeling of Inelastic Behavior of RC Structures under Seismic Loads
Proceedings of the U.S.?Japan Seminar on Post-Peak Behavior of Reinforced Concrete Structures Subjected to Seismic Loads: Recent Advances and Challenges on Analysis and Design, held in...

Redesigning the San Roque Dam
Engineers updated a 20-year-old design for the San Roque Dam in the Philippines to save time and money and improve the dam's ability to withstand earthquakes. The structure...

Intermodal Innovation
A future application of magnetic levitation (maglev) technology could provide motorists with an alternative to congested freeways without requiring them to give up their automobiles. One...

Bell's Bridge Rehabilitation
Bell's Bridge carries Tidewater Drive, a major urban arterial in the City of Norfolk, Virginia, over Wayne Creek, a tributary of the Lafayette River. During a routine inspection in 1995,...

Seismic Design of Highway Bridges: Recommended Specifications
Under the AASHTO-sponsored National Cooperative Highway Research Program (NCHRP), a joint venture of the Applied Technology Council and the Multidisciplinary Center for Earthquake Engineering...

Maintenance of Diaphragm-Girder Connections
Fatigue cracking at diaphragm-girder connections and at similar connections of cross-frames and floorbeams have been common in steel highway bridges for the past 20 or 30 years. Fatigue...

A Framework for Performance-Based Seismic Design
The following probabilistic framework for seismic performance assessment is presented as an effective foundation for the development of performance-based guidelines. It suggests a generic...

Update of Serviceability Design Considerations for Low-Rise Steel Buildings
In 1990, the American Institute of Steel Construction published Servicability Design Considerations for Low-Rise Buildings by James M. Fisher and Michael A. West. This document was published...

Seismic Analysis and Retrofit of the Amoskeag Bridges
In 1983 AASHTO first offered the design guide for seismic analysis of bridges, which ultimately became a permanent part of the AASHTO Bridge Design Manual in 1990. Prior to this time,...

 

 

 

 

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