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...

Symposium on Watershed Management 1980
Making Watershed Management Work is the theme of the 1980 Symposium of the ASCE Watershed Management Committee, Irrigation and Drainage Division. In response to this theme, the papers...

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...

101 Uses for Earth Reinforcement
A mini-symposium on earth reinforcement held at the April 1978 ASCE national convention attracted participants from around the world; symposium papers form the basis of this paper. Methods...

Sand to Sandstone: Foundation Strengthening with Chemical Grout
A large school in San Francisco, built in 1930, was in need of structural rehabilitation to eliminate earthquake hazards. Founded on loose, windblown fine sand, the footings were subject...

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...

Land-Use Planning: Grows More Exact with the Help of USGS
The U.S. Geological Survey has turned its considerable talents and resources towards providing earth-science information for urban planners and, consequently, developers. This article...

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...

New Use for Filter Fabric: Highway Construction
A growing area of filter fabric use is road construction, both secondary and superhighway. The article focuses on one case history in Cambridge, Maryland where, after a one-year test,...

Environmental Engineering Research Needs
In June 1979 a National Science Foundation�ASCE workshop was convened to prepare a report suggesting top-priority research needs in civil engineering for the 1980s. The field was split...

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...

Evaluation and Prediction of Subsidence
Proceedings of the International Conference on Evaluation and Prediction of Subsidence held at Casino Hotel, Pensacola Beach, Florida, January 1978. Sponsored by the American Society of...

Symposium on Earth Reinforcement
Proceedings of the Symposium on Earth Reinforcement, held at the ASCE Annual Convention, Pittsburgh, Pennsylvania, April 27, 1978. Sponsored by the Committee on Placement and Improvement...

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...

Land Treatment Systems and the Environment
This paper summarizes the results from several experiments using the rapid infiltration, overland flow and slow infiltration modes of land treatment....

 

 

 

 

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