Why Do Bridges Fail�
From the study of 143 bridge failures that occurred throughout the world from 1847 to 1975, it is found that there are nine categories of failure. The most frequent of these is failure...

George Washington Bridge Redecked with Prefabricated, Prepaved Steel Panels
The Port Authority of New York and New Jersey has embarked on a �37,000,000 project to totally replace the upper roadway of the 46-yr old George Washington Bridge. The scheme, chosen from...

Tiebacks Support Excavations Without Bracing
Tiebacks are used to support earth retaining walls in deep excavations without using internal bracing. Although more expensive than bracing to construct, tiebacks can result in overall...

State-of-the-Art Report Composite or Mixed Steel-Concrete Construction for Buildings
This report examines the interacting behavior of concrete with structural steel in building construction. Topics covered include composite columns, composite beams, trusses, and slabs,...

Stability of Structures Under Static and Dynamic Loads
Proceedings of the International Colloqium on Stability of Structures Under Static and Dynamic Loads, held in Washington, D.C., May 17-19, 1977. Sponsored by the National Science Foundation....

Hydraulics in the Coastal Zone
Proceedings of the 25th Annual Hydraulics Division Specialty Conference, held in Texas A&M University, College Station, Texas, August 10-12, 1977. Sponsored by Hydraulics Division...

Advances in Civil Engineering Through Engineering Mechanics
Proceedings of the Second Annual Engineering Mechanics Division Specialty Conference, held in North Carolina State University, Raleigh, North Carolina, May 23-25, 1977. Sponsored by the...

Practical Highway Esthetics
This guide helps engineers, highway designers, university students, and others design practical, yet tasteful highways by combining a broad range of information in one publication. Topics...

The birth and growth of history's most exciting building material
Not until the early decades of this century did this most revolutionary of all structural materials arrive-prestressed concrete. Developed in Europe, prestressed concrete began its rapid...

Interstate Highway System
Eventually to cost nearly $90 billion, the Interstate Highway System will connect all U.S. cities of 50,000 and larger, eventually carry 25% of all highway traffic. The article traces...

Sewering the City of New York
The establishment of a centralized sewerage agency in 1963 has enabled the development of a program to upgrade and augment New York City's sewer system to meet the vital life...

Kansas City Bank Tower Features Water-Filled Columns, Exposed Spandrels
In this first article in a series on recent innovations in structural steel design, the spotlight is on the 20-story Mercantile Bank Tower in Kansas City. This structure features several...

The CRT Computer-Graphics Terminal: Indispensible Design-Aid for Some Structural Engineers
Putting the benefits of computer graphics within the cost reach of many consulting firms are: the development of low-cost ($3,000 to $10,000) storage-tube CRT graphics terminals; and the...

Proven Organic Coatings for Long Term Protection�� Part II
Recent advances in coatings materials and their application make possible improved protection of structures in normal or aggressive environments. Shopcoating and field application are...

La Guardia Airport Parking and Terminal Frontage Structure
One of the world's largest parking structures, at New York City's La Guardia Airport, is of special interest because the structural steel has no fireproofing....

Paul Bunyan Among Offshore Steel Structures
The world's two largest drydocks, the larger 1,150 x 800 ft in plan were used to assemble on land the four steel jackets. They now stand in the North Sea in about 400-ft of...

Condeep�In 400 Ft of Water, Concrete Caisson Requires No Piles
The Condeep structure consists of (1) 19 cylindrical tanks each 66-ft diam and 164-ft high that together will store up to 900,000 bbl of oil; (2) the extension upward 300-ft more of three...

Preview�1976 Offshore Technology Conference
In this Eighth Offshore Technology, the 300 papers and 1,300 exhibitors will be related to such topics as semi-submersible drill rigs, pollution avoidance devices, equipment protection,...

Pioneer Offshore LNG Terminal
Among the new offshore structures along the east coast of the United States is a terminal facility about one mile off Cove Point, Md., in Chesapeake Bay. This terminal will take deliver...

Hydraulic Fill Dams/Earthquake Stability
The 1971 San Fernando earthquake near Los Angeles, Calif., generated concern for the stability of hydraulic fill dams. Two dams located near the fault were damaged severely. The shaking...

 

 

 

 

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