Cliff-Hanger
To create an arch bridge over a river gorge in Oregon without disturbing the canyon walls or floor below, engineers combined a segmental construction scheme with a temporary cable-stay...

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...

The Future of Airports
Through a series of meetings and surveys, professionals involved in the design, engineering, construction, and maintenance of airports throughout the United States and Canada have identified...

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...

Monitoring Two Tunnels
Two pilot projects for bored tunneling in soft soil have been undertaken in the Netherlands under the authority of the Centre for Underground Construction: the Second Heinenoord Tunnel...

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,...

Shotcrete for Underground Support VIII
This proceedings contains papers presented at the Eighth International Conference on Shotcrete for Underground Support, which took place in Campos do Jord?o, Brazil, in April 1999. It...

Structural Steel Selection Considerations
A Guide for Students, Educators, Designers, and Builders
Sponsored by the Structural Engineering Institute of ASCE; American Institute of Steel Construction, Inc. This report describes the properties of steel...

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...

Rehabilitation of the Packers Falls Bridge
The Packers Falls Bridge was constructed in 1912 and consists of a 42' (12.8m) single span, reinforced concrete arch structure. This bridge was constructed using a unique forming system...

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,...

Structural Lumber from Small-Diameter Western U.S. Softwood Trees
The purpose of this study was to determine the mechanical properties, and corresponding economic value, of dimension lumber produced from selected over-stocked forest stands of small-diameter...

Small-Diameter Round Timber Connections
An over stocking of trees having diameters less than 20 cm, as measured 1.52 m off the ground presents a major fire hazard to over 54 million acres of National Forest land. Improving the...

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...

The Pentagon Project
The renovation of the Pentagon, now under way, is one of the most ambitious, complex, and challenging construction undertakings in contemporary history. It entails the equivalent of demolishing...

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,...

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...

A Natural Approach
Before the Comprehensive Everglades Restoration Plan began, the Florida legislature established the Everglades Construction Project (ECP), a $708-million, 10-year program now being implemented...

 

 

 

 

Return to search