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...

Evolution of Composite Floor Systems in the United States
Composite floor systems, which combine structural steel beams with a cast-in-place concrete slab, have grown in popularity in the U.S. during the past 40 years. In most early applications,...

Piece by Piece
The Lions' Gate Suspension Bridge, a landmark structure in Vancouver, British Columbia, marks the entrance to one of the busiest harbors on the west coast of North America....

High-Tech Isolation
In the fast-paced world of telecommunications, the time to market is often the deciding factor in the success of an enterprise. With that thought in mind, AboveNet Communications, Inc.,...

The Long Arch
The proposed long-arch method of constructing large underground chambers is a novel variation of well-established cellular construction methods. But each cell is arch-shaped and is independent...

Under the Microscope
Forensic engineering is typically more complex than engineering design because it requires the integration of specialized knowledge of materials science, structural analysis and design,...

Geotechnical Testing, Observation, and Documentation
A geotechnical report, field and laboratory testing, as well as observation and documentation are all integral parts of most geotechnical projects. A technician is usually dispatched to...

Optimization of the Operation Rules of Multipurpose Multireservoir Systems; New Approach
In recent years Iran is ranked 4th among countries having the highest number of dams under construction on her hydrosystems. This has called for...

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...

Terminal Island Turnaround
The Pier T marine terminal at the Port of Long Beach is a new 375-acre (152 ha) container terminal being developed at the former Long Beach Naval Station and Naval Shipyard. The $525-million...

Replacement Strategy
Water Works II, a $275-million water treatment plant currently under construction in Detroit, is redefining the way that such projects are let and built. In 1980 the city initiated a program...

Marketing Your Web Site
Most companies in the engineering and construction industry have had their own Web sites for some time. But experts warn that generating traffic from potential clients, job seekers and...

Concrete Delivers
The latest addition to the skyline of Shanghai, China, is a strikingly slender all-concrete 62-story office tower. It is the city's tallest all-concrete building, achieving...

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...

Dual Benefits
When the Port of Houston needed to be dredged to accommodate larger commercial vessels, engineers decided to put the dredged material to use to create wetlands and islands that will serve...

Native American Imprint
Following a design phase of more than four years, construction has finally begun on the Smithsonian Institution's National Museum of the American Indian, which will occupy...

The Road to Reuse
Many types of wastes and by-products have potential uses in the highway environment. Applications for recycled materials include asphalt pavement, portland cement concrete pavement, granular...

Stabilizing a Crater Rim
A geocell and geogrid reinforced soil slope concept was selected to stabilize approximately 120 m of eroding and unstable portions of the crater rim at the National Memorial Cemetery of...

Liner Lessons
The County Sanitation Districts of Los Angeles County comprise 25 independent special districts that cover a service area of approximately 770 sq mi (1,990 km²). Since the early 1990s...

Tunneling with Care
The Mission Valley Light Rail East extension was to run just north of San Diego State University (SDSU), and was to be constructed using a tunnel-boring machine (TBM). But the Metropolitan...

 

 

 

 

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