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New Deep Foundations Cut Costs
Two European innovations in deep foundations are highly competitive in cost, time and material. They are the barrette (slurry wall segment) and the bored pile/caisson which is then grouted...

Selection of Small Hydro Project Sites
In the course of studying nearly forty areas in Peru to identify possible sites for small hydro development and in order to select the best in each area for detailed design, the Authors...

Evaluation of Small Hydropower Sites in Ghana, Africa
Six potential small sites and one mini site under construction were visited. Two additional potential sites were identified from map studies. Flow duration studies indicated that with...

Developmental Changes Due to Site Investigations
The Winooski Hydroelectric Company of Montpelier, Vermont is conducting the reconstruction of Dam #8 on the Winooski River in East Montpelier, Vermont. Unprecedented eminent domain proceedings...

Thailand Micro/Mini Hydroelectric Project
The Royal Thai Government is attempting to systematically develop economically attractive indigenous hydropower resources through the Micro/Mini Hydroelectric Project. Initially six experimental...

A Marine Thruster in Small Scale Hydropower
A 70 kW hydroelectric plant utilizing a marine thruster as a turbine was commissioned in May, 1985. The thruster, the construction management, the site conditions and the testing program...

Development of Two Plants on California Canals
The projects utilize the head drop between canals on the system of the Central California Irrigation District (CCID. ) The projects utilize the elevation difference between the District's...

Phased Pumped Storage Planning and Site Evaluation
A phase process of site evaluation provides for an efficient use of resources while supporting the necessary level of detailed investigation. This paper describes the phased siting process...

Methodology for Optimization of Cascade Small Hydro
An accurate classification of small hydro sites is introduced. Class 'C' small hydro developments utilize favourable topographical and hydraulic gradients along...

Financing Hydro Projects
STS Consultants, Ltd. is a consulting engineering firm with expertise in the Hydraulics/Hydrology area. Boulevard Bank is a major commercial bank in Chicago, Illinois. This paper elaborates...

Development of the Standardized Francis Turbine
Initial machine selections to address higher head sites included small custom Francis turbines and standard pumps running in the turbine mode. As the former proved too costly and the latter...

Computer Aided Design of Small Hydro Turbine
The paper discusses a system for producing custom designed turbines which are attractive in price and delivery, retaining the advantages of customization. A computerized program is being...

Hoover Dam Plus Fifty Years Equals El Cajon Dam
The completion of El Cajon arch dam on the fiftieth anniversary of the completion of Hoover Dam has given the opportunity to compare design and construction of two concrete arch dams constructed...

Hoover Dam Earthquakes Reconsidered
In 1936 and 1937 as the water rose behind Hoover Dam, earthquakes were felt in the Boulder City area and as far away as Las Vegas. Interest in induced seismicity was renewed in 1967 with...

Three-Dimensional Plotting in Dam Potentials
Hydroelectric development is important to many basins in the western United States. Topographical studies are normally used to arrive at sites to be chosen for further investigation of...

Coal Mining in Alaska's Interior: Problems and Solutions
The Usibelli Coal Mine located in Healy, Alaska is currently the largest operating coal mine in the state of Alaska. The mine has recently increased production to nearly 1. 7 million tons...

Design and Construction of the Spirit Lake Outlet Tunnel, Mount St. Helens, Washington
In 1982, a governmental task force was formed to evaluate the hazard posed by the blockage of Spirit Lake that resulted from the eruption of Mount St. Helens in May 1980. An analysis was...

Engineering Implications of Impoundment of the Indus River by an Earthquake-Induced Landslide
Historical records and physical evidence indicate that in the Himalayas of northern Pakistan a huge landslide dam was caused by an earthquake in 1840. The dam blocked the Indus River,...

An Expert System for Inactive Hazardous Waste Site Characterization
The area of hazardous waste management is a broad and multidisciplinary field requiring expertise in engineering, geology, chemistry and toxicology, and is an ideal area for the application...

An Expert System for Site Selection
Site selection involves two phases. First, a small number of alternatives among all possible sites are identified for further evaluation, and then the selected alternatives are examined...

 

 

 

 

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