Predicted Service Life of Armor Stone: A Case History
Laboratory testing for determination of true rock quality in terms of expected performance is not clear-cut, may be misleading, and requires extensive interpretation by an expert. This...
Raising the Bar - 345kV Uprating
The paper presents solutions to increasing the transfer capacity (book rating) of two critical 345kV tie lines. Described are computer modeling techniques using laser survey data coupled...
Capacity, Management, Operations and Maintenance (CMOM) Overview
Attendees will have a better understanding of the new policy and the benefits of compliance. The purpose of the CSO Rule or CMOM by EPA is creating a wave of activity across the country....
FishXing 2.0 Software and Learning Systems for the Analysis of Fish Migration through Culverts
A brief explanation of the software FishXing....
Water Control Data System Modernization: Huntington District, Corps of Engineers
The Water Control Data System (WCDS) provides the tools that are used in making daily operational decisions for 35 reservoir projects and 9 navigation structures in Huntington District....
Small Business Report: The Home Advantage
Allowing at least some employees to work from home some of the time can help small businesses improve their ability to hire and retain talented engineers who are demanding flexibility....
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,...
Magnetic Perturbation Imaging for Prestressed Concrete Evaluation
Many prestressed concrete bridge structures in the United States and other parts of the world are over thirty years old and have shown various signs of distress. Corrosion or fracture...
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...
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,...
25 Technologies to Watch
While much hype exists over the concept of e-commerce, an expert in design and construction information technologies points out that there are many other technologies in the developmental...
Evaluation of SSET
The Sewer Scanner & Evaluation Technology
Prepared by CEITEC, a CERF innovation center serving the engineering and construction industries. This report describes an evaluation of Sewer Scanner...
Good Vibrations
As advances in material technology and structural efficiency find reflection in structures that are lighter, more slender, and more daring architecturally, design teams must focus more...
Designing a Web Site
With the advent of prepackaged software programs that practically set up a Web site by themselves, small engineering firms may assume that designing and operating a Web site is a snap....
Travel Cards in the Year 2000: The Helsinki Region Ushers in the Smart Card Era
Once the travel card system for the Helsinki region is fully implemented, it will be one of the most advanced ticket sales and fare collection systems around. Passengers will carry remote...
Los Angeles County Public Transportation System: Its Operation and Use by Customers
The Metropolitan Transportation Authority (MTA) Operations Division is organized into four basic units-Metro Bus Operations, Metro Bus Maintenance, Metro Operations Support, and Metro...
Into the Tunnel
Technological advances in wind tunnel testing and computer-aided design programs are enabling engineers to create taller and more aesthetically interesting buildings than ever before....
The Digital Evolution
As designers such as Gehry Architects dream up ever-more fluid and sculptural shapes for buildings, the only way to turn those aesthetic shapes into solid, safe structures is by using...
Wireless Warnings
Formwork failures cause dozens of construction-related deaths per year, but most can be avoided by adequate monitoring. The problem is, most monitors must be hard-wired to a computer on...
Taking a New Approach (available in Structural Engineering Special Section only)
The first bridge rehabilitation project in Washington, DC to use the AASHTO Load and Resistant Factor Design (LRFD) specification reveals several lessons to be learned from using the newly...
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