8-Story Building Moved to Avoid Wrecker's Ball
In Bogota, Colombia, a 7000 ton (15400kips) was moved almost 100 ft (30 m) to make way for a much needed highway arterial. Instead of wrecking the structure, an apartment building in a...
County Leads in Steering Growth
Tulare County, Calif., took the initiative in that state in organizing and developing guidelines for environmental management and planning on the county level. They identified specific...
Difficult Dam Problems�� Stilling Basin Redesign
A landslide of major proportions occurred during construction of Silver Jack Dam in western Colorado. This slide required relocation and redesign of the spillway conduit and basin. Hydraulic...
News in Bridge Decks
This is the second of two articles on short span bridges. The first, in the July issue, described cost-cutting ideas in design. This article focuses on bridge decks: expansion joints,...
What's New in Water Treatment�
The Safe Drinking Water Act recently passed by Congress will have a definite impact on water treatment methods and especially on new standards and the monitoring thereof. Many have felt...
Salt Damaged Bridge Decks: Cathodic Helps
Cathodic protection of bridge decks against spalling caused by deicing salts has been demonstrated effective in decks already damaged. Construction of new decks may use other means to...
The Sinking of the Amsterdam Metro
Subway construction was not practical in Amsterdam, The Netherlands, until this new placement technique. Most of the buildings in Amsterdam rest on old, untreated wooden piles that would...
Competitive Alternative to Minority Quotas/Goals
The City of Chicago and contractors working in the city have taken a big step toward solving the affirmative-action problem. Many of the plans through which the Federal government has...
Recycling Older Buildings Preserves History, Saves Money
The Alameda County Traffic Reporting and Inventory System (ACTRIS) has utilized a unique combination of diverse disciplines to produce an inventory of traffic control devices. With the...
Reinforced Earth: A New Alternative for Earth Retention Structures
Using a variety of projects as examples, the authors demonstrate the versatility of the patented Reinforced EarthTM...
In Situ Soils Measuring Devices
Soils engineering is as much art as science�� mostly because techniques for measuring soil parameters leave much in the realm of estimation. Developing instrumentation practices and equipment...
Tunnel under Alps Uses New, Cost-Saving Lining Method
Contractors of the Tauerntunnel through the Alps, near Salzburg, Austria, encountered very bad geology�� heavily distorted, preloaded rock under an overburden up to 3,300 ft (1,000-m)...
An Engineer Rebuts a Contractor's Charges of Unfair Contracts
An engineer responds to the article, Are Construction Contracts Fair, (CE, May, 1975) by contractor George A. Fox and lawyer Max E. Greenberg. Engineers should not be given additional...
What Has ASCE Done for Me Lately
President Sangster recalls highlights of ASCE's 1974-1975 year, among them: The White House is listening more closely to Society views, as witness its thoughtful reply to...
Career Growth for the Professional Engineer
The chief of General Electric Company's office whose job is to help professionals on the staff build their competence, tells the individual how to go about it. The most important...
Engineering the First Mass Transit Tramway
Aerial tramways are not normally considered for a cross-town mass transit system. They are no longer limited to the ski resorts since construction of the link between Manhattan Island...
Largest and Lightest Fabric Roof to Date
A dome concept that could change roof design throughout the world is being used on the new Pontiac Metropolitan Stadium in Michigan. The roof is a cable restrained air supported fiberglass...
Proven Organic Coatings for Long Term Protection
Recent advances in coatings materials and their application make possible improved protection of structures in normal or agressive environments. Shopcoating and field application are compared....
Protection of Piles: Steel, Concrete, Wood
Normal construction materials have a very limited life when placed in a corrosive soil or water environment; steel rusts, concrete spalls, and wood rots (if the insects don't...
Dialog Between Engineers: Designers, Contractors, Manufacturers
A case history showing the untypical situation where engineers from all segments of the construction industry worked together to design and build a power plant. Site conditions were such...
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