Performance of Steel Structures
A description of the various types of steel structures built in Mexico City is made, including comparisons of the older types of steel construction with more modern buildings. Performance...

Repairing and Strengthening of Reinforced Concrete Buildings Damaged in the 1985 Mexico City Earthquake
This paper describes briefly the criteria and techniques used for the repairing and strengthening of reinforced concrete buildings damaged in Mexico City during the 1985 earthquakes. It...

The Impact of the Construction of Public Works by the Earthquakes of September 1985
The earthquake of September 19th and 20th, 1985, is discussed with emphasis on general damage. The works of the Head Office of Urban Services is described in relation to emergency response....

Stopping Seepage
The Navajo Dam in New Mexico has major seepage problems. The Bureau of Reclamation, which owns the Dam, conducted studies, verified by outside consultants, concluding that the combination...

Construction and Design of Foundations for French Overhead Power Transmission Network
This paper summarizes present conception and design of foundations for 90 to 400 kV overhead lines in France. Firstly principles of geotechnical studies in use are presented: various types...

High Capacity Multi-Helix Screw Anchors for Transmission Line Foundations
Three case history summaries are presented which discuss the siting, design, and construction of towers supported on multi-helix screw anchor foundations in the Virginia Power service...

Drilled Piers in the Piedmont?Minimizing Contractor-Engineer-Owner Conflicts
Drilled piers are used extensively in the Piedmont Physiographic Region, deriving support primarily from end-bearing on hard rock. Cost extras and contractor-engineer-owner conflicts are...

The Delineation and Management of Wellhead Protection Areas
The delineation and protection of a management zone around specific wells or wellfields will undoubtedly become more common as the 1986 Amendments to the Safe Drinking Water Act are implemented...

Emergency Response
A spill normally has five phases; namely, the initial emergency response, the site assessment, the development of a remedial action plan, the implementation of the remedial action plan,...

Chasing Birds from Oil Spills?Two Experiments
Two Canadian studies that addressed different aspects of this problem were conducted in the late 1970's. One was funded by Canadian Marine Drilling Ltd. (Canmar), who was...

The Formulation of a Comprehensive Program to Protect Marine Wildlife Resources During an Oil Spill: A Case Study in Problem Solving Through Private and Public Sector Cooperation
This paper describes a unique experiment in private and public sector cooperation which led to the formulation of a comprehensive program designed to maximize the protection accorded Southern...

Optimal Process of the Development of the Residential Area on the Coastal Zone
The concentration of population and assets through various types of development in the coastal zone in Japan is progressing rapidly at present. The conditions of the sea environment are...

Design Considerations for a Navigational Channel
The hydraulic feasibility of the proposed navigation channel from Shuwaikh to the offshore area in Sulaibikhat Bay was studied. Channel width and alignment were determined considering...

Satellite-Tracked Buoy Activities in Saudi Arabia
During the pollution threat on the Gulf caused by the collapse of the NOWRUZ oil field well in February 1983, the Meteorology and Environmental Administration (MEPA) established an Oil...

St. George Harbor?A Berm Breakwater Solution in Alaska's Bering Sea
The berm breakwater concept is based on the premise that locally available materials should be used in breakwater construction to the largest degree possible. By looking at failure dynamics...

Construction of Fisherman's Wharf Breakwater
The San Francisco District of the United States Army Corps of Engineers recently completed construction of a breakwater at Fisherman's Wharf. The construction, completed ahead...

Integrated Monolayer Flexible Revetment Technology for Coastal Protection
Fundamental considerations for flexible revetment design are given in some detail and the critical need for sound engineering in a total system design approach is strongly emphasized....

U.S. Port Commerce in Radioactive Materials (abstract)
In the ten-year period assessed, total radioactive materials handled at U. S. ports expanded by over 19,000 tons, which amounts to almost a 173 percent growth rate. This abstract refers...

A Case Study of the CEQ Worst Case Regulation
This paper focuses on a decision by the U. S. Army Corps of Engineers (Corps) not to include a worst case oil spill analysis in the Environmental Impact Statement (EIS) for a proposed...

Pass a Loutre Freshwater Diversions: Marsh Building in the Mississippi River Delta
Concern about the rapid loss of wetlands within the Pass a Loutre Wildlife Management Area located at the mouth of the Mississippi River has resulted in implementation of the Pass a Loutre...

 

 

 

 

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