Industry Upgrades Technician Training
Here is one example where regulations were imposed by industry�voluntarily. The Washington Area Council of Engineering Laboratories, Inc., developed a program to certify technicians testing...

Testing Concrete in Place
Although modern concrete construction has developed during the past 60 years, one aspect has remained essentially unchanged�the use of molded cylinders tested in compression to estimate...

Nuclear Testing of Utility Trench Backfill
For many years, Westchester County municipalities were resigned to the fact that compaction of utility trenches could not be done satisfactorily and that settlement and road failure would...

Threaded Rebars Spin Down Time
A rebar splicing technique was a major factor in saving two year's construction time on California's $33 million, 9000 ft (2743 m) Antioch Bridge. Rebar splicing...

Current Trends in Design and Construction of Embankment Dams
This report is concerned primarily with the embankment itself although foundation and abutment treatment are considered essential elements of the embankment. It covers a broad range of...

Intermediate Service Levels in Water Distribution
This paper is concerned with design standards for secondary water distribution networks. Based on field studies in the Middle East and Africa, mathematical equations were developed for...

Los Angeles Reservoir is Safe From Earthquakes
The Los Angeles Reservoir was nominated for the 1978 Outstanding Civil Engineering Achievement Award. The reservoir, which replaces the Van Norman Reservoir damaged during the 1971 San...

Stadium Seats Slide on Water
In Denver, a unique 21,000 seat, 9-million pound movable stand is used to convert the Denver Mile High Stadium from baseball to football or soccer. The stands are lifted and move on 163-forty...

Reinforced Concrete Research Council: Why So Successful�
At 30 years old the first-formed of ASCE's 14 research councils, the Reinforced Concrete Research Council is also one of the most successful. Some 40 RCRC research projects...

Site Characterization & Exploration
Proceedings of the specialty workshop held at Northwestern University, Evanston, Illinois, June 12-14, 1978. Sponsored by the National Science Foundation. Site Characterization...

Terrain Analysis for the Trans-Alaska Pipeline
Airphoto interpretation and field reconnaissance were combined with a computer-based data bank to evaluate the diverse terrain conditions along the Trans-Alaska Pipeline because acquisition...

The Evaluation of Dam Safety
Proceedings of the Engineering Foundation Conference on the Evaluation of Dam Safety, held in the Asilomar Conference Grounds, Pacific Grove, California, November 28 December 3, 1976....

Journal of the Technical Councils of ASCE
Journal of the Technical Councils of ASCE covers the topics of computing applications in civil engineering, especially in the area of seismic design and seismic tests....

Automatic Surveying � Updating Canada's Control
With Litton's Auto-Surveyor system you can perform third-order surveys driving at highway speeds or flying in a helicopter. With proper planning...

Wastewater Ozonation: A Process Whose Time Has Come
For many years, ozonation has been a technically viable solution to difficult waste treatment problems. Not until recently, though, has ozonation found growing acceptance as a cost-effective...

New Orleans Grows on Deep Piles
In the New Orleans area, tall buildings must be supported by piles extending at least into the preconsolidated clays at -150-ft (-46-m) or so. Settlement is much too severe and uneven...

Inverted Filter Stabilizes Soil, Stops Erosion
The inverted filter concept was invented by Karl Terzaghi to prevent dams from failing by water piping through the foundation. Laboratory and field testing have refined the necessary specifications...

Impermeable Asphaltic Concrete Pond Liner
An impermeable dense hydraulic asphaltic concrete solar evaporation pond liner was developed by the Southern California Edison Co. for the Mohave Generating Station, Clark Co., Nevada....

City's Topographic Mapping System Saves Time, Money and is More Accurate
The city of Elgin, Ill. purchased its own topographic mapping system called Topo-Plan. The system consists of an aerial photo base map plus a transparent overlay showing 2-ft (0.60-m)...

Frost Heaves�� A Major Dilemma for Ice Arenas
The ice sheets of three arenas in Minneapolis-St. Paul have had frost heaves ranging from seven to eleven inches (0.2 to 0.3 m). Proper design should prevent frost from penetrating the...

 

 

 

 

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