Tidal Power Plants - The Source of Ecologically Clean Energy
This paper outlines the development of tidal energy within the Soviet Union (U.S.S.R.). It describes several working and proposed tidal power plants developed in the U.S.S.R. with a discussion...

Estimation of Wave Power as an Energy Resource for Hawaii
One of the most important elements in determining the wave power available by means of a wave power extracting device is the amount of wave energy present at a given location during a...

Power Conditioning Options for Variable-Speed Ocean Energy Conversion Systems
As part of a recent wave energy feasibility study for the coast of North Carolina (SEASUN Power Systems, 1988), a survey was conducted of power conditioning and transmission technology....

A 250 KW Closed Cycle Land Based Ocean Thermal Energy Plant
The paper describes the design of a 250 KW land based closed cycle Ocean Thermal Energy Plant suitable for installing at Keahole Point in Hawaii. The work is being done for ALCAN International....

Carbon Dioxide Release from OTEC Cycles
This paper presents the results of recent measurements of CO2 release from an open-cycle ocean thermal energy conversion (OC-OTEC) experiment. Based...

U.S. Construction Aggregates
Crushed stone and sand and gravel are the two main sources of natural construction aggregates in the United States as well as in the world. At the beginning of the 20th century, the production...

Asphalt in the U.S. Transportation Infrastructure
Asphalt has been the major pavement material responsible for development of the transportation infrastructure enjoyed by American citizens. This paper addresses issues to be monitored...

Sawn Lumber in Bridge Construction
This paper covers many aspects of design and construction that affect the specifications of the sawn wood components of a highway bridge. The relationships between the grading rules for...

Glued Laminated Timber for Bridge Construction
Structural glued laminated timber (glulam) was first introduced into the U.S. as a construction material in 1934. With the development of fully waterproof adhesives in the 1940's,...

Structural Wood Composites in Bridge Construction
Wood composites, known collectively as Structural Composite Lumber (SCL), are a family of wood-based products that better utilize the available wood fiber of a tree. This paper describes...

Applications of Wood Materials for Innovative Bridge Systems
This paper describes completed research and the status of research underway on timber bridges that are part of the USDA Forest Service timber bridge initiative. The initiative includes...

Montana's Approach to Reduce Asphalt Pavement Rutting
The Montana Department of Highways experienced premature rutting in some asphalt concrete pavements primarily on the east-west interstate in Eastern Montana. Montana participated with...

Composite Applications in Highway Bridges
This report presents a summary of a four year research effort titled, 'Transfer of Composite Technology to Design and Construction of Bridges'. Extensive analytical...

On the Road to Clean Air
Anticipating passage of the 1990 Clean Air Act in the fall of the year, this article examines the remaining air quality problems in U.S. cities and some efforts underway or being planned...

Prospects for International Engineering Practice
International trade is growing in construction products and services. It is stimulated by international efforts to reduce technical barriers to trade and the formation of a single European...

Ocean Energy Recovery
This proceeding of the International Conference on Ocean Energy Recovery held in Honolulu, Hawaii from November 28-30, 1989 consists of thirty-eight papers. These papers explore various...

Future Freight
In 21st-century America, most long-distance cargo will be transported via pipelines linking major cities. The most versatile freight pipeline is the capsule variety, which carries cargo...

Cleaning Up Coal
Coal, which fueled the industrial revolution in the 19th century and two wars in the 20th, should continue to be a major power source well into the 21st century. Its abundance keeps the...

The Pros and Cons of Public Education
Today, engineers work for a public that has lost faith in the government's ability to spend money efficiently and to contain pollutants effectively. Many engineers now see...

Financing Urban Transportation
New ways to finance urban transportation are needed. User fees are discussed, but in many cases users of urban transportation are the poor, including the elderly poor, who cannot afford...

 

 

 

 

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