River Hydraulics
This manual presents basic principles and technical procedures for analysis of open channel flows in natural river systems. Procedures described herein are considered appropriate and usable...

19 Tough Acts to Follow
The nominations for this year's Outstanding Civil Engineering Achievement Award included everything from runway extensions to highway extensions, water fun parks to water...

Base Isolation Gets Its Day in Court
After the 1989 Loma Prieta earthquake, the 1905 U.S. Court of Appeals and Post Office Building in San Francisco was closed. The owner, General Services Administration Pacific Rim Region,...

Grouting Through a River
A regional sewer district in Ohio is implementing a master plan to separate storm and sanitary flows, decommission some old treatment plants and upgrade others. Part of the plan, the West...

Cleanup Solution--Conflict Resolution
Distrust and misinformation often prevent timely resolution of ground-water contamination problems. In Toms River, N.J., engineers used a computer-generated model of the cleanup site in...

Is Virtual Reality for Real?
Virtual reality, an advanced visualization technology, will change certain aspects of civil engineering. The method allows people to simulate conditions, render designs and test these...

Engineering Mechanics
This proceedings, Engineering Mechanics: Proceedings of the 10th Conference, contains papers presented at the Conference held in Boulder, Colorado,...

Hydraulic Design of Flood Control Channels
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 10. This guide presents procedures for the design analysis...

Rock Steady
Heavily damaged during the Loma Prieta earthquake, Oakland City Hall had to be repaired and retrofitted. Now Oakland boasts the tallest seismically isolated building in the world. The...

Wider Ride to the Rainbow
Engineers on the project to widen the entrance to the Rainbow Bridge between New York and Ontario let the aesthetics of the Niagara Falls setting dictate their design decisions. The challenge...

Sounding Out Scour
As engineers are aware, detection of bridge scour is the best protection. A method for monitoring scour during low, normal or high water flows would also help alleviate some of the ambiguity...

Seismic Isolation in Bridges
In the U.S., the use of seismic isolation in new bridge construction and retrofit projects has been growing as awareness of seismic risk has spread across the country since the 1971 San...

Lunar Oxygen Production in a Hydrogen Cold Plasma
This paper examines the concept of oxygen production from unbeneficiated lunar regolith using a non-equilibrium or 'cold' hydrogen plasma. An experimental investigation has indicated that...

Engineering R&D Strategy
Accurate data on the levels and focus of U.S. civil engineering-related R&D are important to establish a benchmark from which a knowledge base can be constructed; to highlight...

Impediments to the Implementation of Seismic Isolation
There are over 400 civil engineering structures, worldwide, that have been constructed using the principles of seismic isolation, and 70 of these are in the United States. Although use...

Integrated Research for Civil Infrastructure Systems: A Future Challenge
The paper presents a research program developed at NSF for the improvement and renewal of the nation's civil infrastructure systems. The proposed program is integrated, multi-disciplinary,...

Checking of CAD Drawings for Fabrication Issues
Communication between the fabricator and engineer is crucial to the production of an economical, safe, and functional steel structure. However, the transfer of information between involved...

SQP Methods for Inverse Airfoil Design
We consider inverse design problems of systems governed by suitable discretizations of a boundary value problem (BVP). We present and examine a Sequential Quadratic Programming (SQP) method...

Simulated Circulation and Transport in Adjacent Wind-Driven Estuaries in North Carolina
The Pamlico and Neuse River estuaries, in North Carolina, display similar physical characteristics because of their proximity and physiographic setting. Yet, because of channel configuration...

Effects of Flocculation on Particle Transport
On the basis of previous experimental and theoretical work on flocculation rates and the settling speeds of flocs, an accurate and computationally efficient model of the aggregation and...

 

 

 

 

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