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,...

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,...

Development and Validation of Mechanistic Coefficients for Flexible Pavement Structures Designed by AASHTO Guide

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....

Returning to the Source
One hundred years ago, Las Vegas was a dry, dusty dot on the map with a population of only 100. The city grew up to become perhaps the gambling capital of the world, and more recently...

Small Firms, Big Dig
The local knowledge and technical expertise found in small engineering firms are often critical to the success of large projects. As one of the most comprehensive design and construction...

Mile High Design
Denver's hybrid steel and concrete Invesco Field at Mile High, the National Football League's first design/build stadium, is on schedule to replace the existing...

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.,...

Evaluation of the CON/SPAN Wingwall System
This evaluation was performed on CON/SPAN Wingwalls, precast concrete end walls for the CON/SPAN Bridge System developed, designed, and supplied by CON/SPAN Bridge System, Inc....

Phase II Evaluation Findings
The Segmental Concrete Channel Bridge System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report represents the second component of the...

A Sound Assembly
In downtown Salt Lake City, the new 1.5 million sq ft (140 000 m²) conference center for the Church of Jesus Christ of Latter-Day Saints (LDS) faced design issues that include height restrictions,...

Safeguarding Bixby Bridge
The two-lane arch bridge over Bixby Creek—in Big Sur, California—reflects the Art Deco style popular in the early 1930s, when the crossing was built. Its slender deck and arch ribs appear...

Deep Foundations In the Future (Available in Geo-Environmental Special Issue only)
The design and construction of deep foundations has gone from an art form to a scientifically based engineering practice. Research in this field has improved over the past century and...

Ethics: A Design Responsibility
The design/build method of project delivery, because it largely removes the client from the quality control and assurance process, can lend itself to unethical behavior on the part of...

Return of the Master Builder
As projects become more complex and clients demand streamlined design and construction approaches, more consulting companies are attempting to add hard-dollar construction to their scope....

Sum of the Parts
As with all of the bay bridges that serve as life lines to the San Francisco peninsula, the 32-year-old San Mateo Bridge needs strengthening to withstand a maximum credible earthquake...

Above Them All
The design for what would be the next world's tallest building relies on a 1,550 ft (472 m) high concrete core that will give occupants of the top floors of the building unimpeded...

Protecting Your Work: Balancing the Competing Interests of Ownership
Your firm has invested days, months—perhaps even years—in its latest project. Your staff have poured their thoughts, ideas, and insights into the creation of a bridge, building, overpass,...

 

 

 

 

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