Repairing New York's Historic Bridges
The Brooklyn and Manhattan bridges are just two of New York City's venerable structures that are undergoing rehabilitation. Current work on the Brooklyn involves enlarging...

A Nebraska Power District's Experience in Stabilizing by Silt Injection
The structures, rolled earth and concrete, of the Central Nebraska Project are constructed on foundations of loessial soils that range from a few feet to more than 100 feet in depth. The...

Analysis and Design of Pile Foundations
Piles are one of the oldest type of foundation system known to man and as such have been previously studied in depth based on available modeling and monitoring techniques. An increased...

Practical Guidelines for the Selection, Design and Installation of Piles
This report provides an objective practical basis for the design and construction of pile foundations. Potential problems and uncertainties in pile design and construction are emphasized....

Research Needs Related to the Nation's Infrastructure
The engineering community, which designs and constructs infrastructure facilities, must look for innovative ways to do a more efficient job. Although some research has focused on problems...

Calendar: A 1985 Calendar of Bridge Photographs
Featured bridges are: Golden Gate Bridge (CA); Richmond . San Rafael Bridge (CA); Market Street Bridge (PA); Alsea Bay Bridge (OR); Longview Bridge (WA); Tyrone Bridge (KY); Newport Bridge...

U.S. Bridges: The Bias Towards Mediocrity
This article contends that in this century the United States has lost its leadership in bridge design and explores reasons why this came to be. Comparative examples of various bridge types...

Brooklyn Bridge
To commemorate the 100th anniversary of opening of New York City's Brooklyn Bridge in 1883, the Smithsonian Institute has mounted, and opened to the public in the anniversary...

Design for Ice Forces
Part one of this publication on design for ice forces emphasizes offshore and coastal structures. In this section , seasonal ice conditions typical of offshore and coastal zones are reviewed....

Geotechnical Practice in Offshore Engineering
The offshore industry as it exists today is just 30 years old. In that period the depth of water where structures are built has increased from a few feet to over 1000 feet. The performance...

Behavior of Metal Structures
This technical symposium illustrates the various aspects of transfer of information from research results to engineering practice. The papers cover historical technical background, current...

Mall
In order to get its citizens back on its downtown streets after 6 PM, Milwaukee decided to build a mall, combining new buildings along with renovations of existing buildings. The problem...

Bridge
Seven Mile Bridge is the longest, continuous precast post-tensioned segmental concrete bridge in the world. In addition to its function as a main artery connecting the Florida mainland...

Throgs Neck Bridge: Why Did Its Deck Deteriorate?
Rapid deterioration of the concrete roadway decks of the Throgs Neck Bridge approach viaducts was found to be due to secondary tensile and fatigue stresses brought on by deflection of...

Steel Beats Concrete for Idaho Bridge
As an alternative to prestressed concrete design, the State of Idaho and the Federal Highway Administration encouraged the use of cable-stressed steel girder design for the Bonners Ferry...

Underpinning with Chemical Grout
During construction of Pittsburgh's new subway, it became necessary to protect the foundations of six downtown buildings. A detailed study of building foundation support options...

Design of Bridges for Ice Forces
Sources of knowledge on ice forces and ice effects on bridges are listed and discussed briefly. Comments are made on experience of damage by ice and on the influence on bridge costs of...

Record Concrete Box Girder Spans Houston Ship Channel
The Houston Ship Channel Bridge is an American advancement of the cast in place, post-tensioned, segmentally constructed, concrete box girder design. In spite of the complex and unique...

The Performance Evaluation
Effective performance evaluations set goals for professional advancement and also bridge individual and corporate values. The four specific stages of a performance evaluation consist of:...

Pier Stabilization Eliminates Need to Reconstruct Damaged Bridge
After an ice jam near a six-span bridge restricted normal water passage, the ensueing high velocity water caused underscouring of one of the piers, leaving it ineffective as a bridge support....

 

 

 

 

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