Alaska's Native Log Bridges
There are several thousand bridges of this type which carry heavy logging trucks in Alaska and remote areas of the lower 48 states. Covers bridge safety, wheel-load distribution, field...
Five Millions Square Foot Tent Roof
Saudi Arabia will soon be the site of the world's biggest roof. Consisting of a seris of modules, each overing 10.5 acres, the roof is made of tentlike fabric squares supported...
1979 International Air Transportation Conference
The current state-of-the-art and future trends in air transportation are discussed. The current state of knowledge in practice and research, and communication between designers and users...
Surveying Takes Another Giant Step Forward
The introduction of short-range electronic distance measurement in 1971 revolutionized surveying. Thousands of surveying and engineering firms across the U.S. today routinely use EDM for...
Ontario Writes New Bridge Code
In 1976, Ontario's Ministry of Transportation and Communications decided to write its own bridge design code, breaking away from the AASHTO code, because: (1)It wanted a metric...
Best Ways to Dewater Dredged Material
Left to its own devices, fine-grained dredged material placed in confined disposal areas reaches an equilibrium water content near its Atterberg liquid limit. The high water content of...
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...
High Voltage Transmission Lines: Pros and Cons
This article, written in response to a CE Engineering News item, puts into perspective some of the pros and cons of high voltage transmission lines (500 and 765-kV lines). Specific problems...
Coping with City Shrinkage
Sooner or later, many of the older cities of the U.S. are going to have to face up to the fact their population and economic bases are shrinking. Many cities continue to display an easy...
Site Characterization & Exploration
Proceedings of the specialty workshop held at Northwestern University, Evanston, Illinois, June 12-14, 1978. Sponsored by the National Science Foundation.
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....
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