Air Power Boosts Utility Energy Supplies
Based in part on successful findings of tests, in which compressed air was stored in underground aquifers, Central Illinois Public Service engineers are investigating a type of pumped...
Fly Ash Fills a Valley
The Pennsylvania Department of Transportation (PennDOT) recently placed narly 400,000 tons of fly ash in a structural fill along I-279 near Pittsburgh. The fly ash, believed to be the...
From Soft Soils to Heavy Construction
A new construction technique using geotextiles and upward flowing water is bringing heavy construction to soft shores. Two projects�a truck yard in Seagirt, Md., and a containment dike...
Rainfall Analysis for Efficient Detention Ponds
Intensity-duration-frequency analysis of rainfall data is traditionally used for the selection of design storm required to size, storage capacity in detention/retention ponds without consideration...
Water Quality Study on Urban Wet Detention
This paper summarizes results of a monitoring program conducted on three urban wet detention ponds located within the Piedmont region of North Carolina, in the city of Charlotte. Data...
Ogallala Recharge with Stormwater Collected in Playa Lakes
Runoff occurring from this precipitation collects in playa lakes. The bottoms of these lakes are comprised of clays and silts which prevent or retard infiltration in subsequent recharge....
Artificial Recharge to the Floridan Aquifer System, Orlando Area, Central Florida
Approximately 400 drainage wells exist in Orange County, central Florida. The rate of recharge through drainage wells is limited by the rate of surface flow to the wells; the hydraulic...
Infiltration Wells in the Lakes Around the Future Markerwaard Polder
Drainage and reclamation of the Markerwaard polder in the Netherlands may cause damage to buildings and infrastructure in the eastern part of North-Holland because of subsidence. Drawdown...
Planning Now for Irrigation and Drainage in the 21st Century
The theme for the conference was Planning Now for Irrigation and Drainage in the 21st Century. Many of the regions of the Country are experiencing water supply declines and/or increasing...
Effects of the 1985 Earthquake in Lazaro Cardenas, Mich.
An account is presented of a geotechnical survey made shortly after the major earthquake of September 19, 1985 (magnitude 8. 1) at the industrial port of Lazaro Cardenas in the state of...
Selenium Threatens Irrigators, Wildlife
Irrigation drainage water has seldom been treated to remove pollutants, but it soon will be treated in California. Drainage from a large portion of the San Joaquin Valley must be treated...
The Road to Drained Pavements
In California, a fast-draining base course within the pavement structure is now the preferred design. For the first time, the 1987 edition of the California Highway Design Manual recommends...
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...
The Nushagak-Mulchatna Rivers Recreation Study
The Nushagak/Mulchatna River drainage was one of two geographical areas identified in the Bristol Bay Coastal Management Program as meeting the criteria for placing a specific area under...
Bulkhead Instability in Soft Soil
This paper presents a case study involving the severe disturbance of the subsurface soils in front of an existing bulkhead caused by the berthing of a jack-up type, offshore drilling vessel....
Embankment Over Fly Ash Pond at Portsmouth Power Station
The fly ash and bottom ash sediments from the Portsmouth Power Station in Portsmouth, Virginia were being sluiced into a 39 acre diked ash pond near the plant. The plant was about to convert...
Evaluation of and Recommendations for Drop Structures in the Denver Metropolitan Area
In 1982, the Denver Urban Drainage and Flood Control District published interim guidelines for the design of sloped, loose riprap drop structures, as well as vertical wall drop structures...
Plume Underflow Interaction in Natural Enclosures
A preliminary investigation into the feasibility of using a hot-water plume to intercept and entrain a cold underflow is presented. The investigation involved an adaptation of existing...
Parking Lot Drainage Design: Gainesville, Florida
The construction of a 10-acre (4. 05 ha) parking facility (1,000-car capacity) at the University of Florida during 1984 presented the potential for increasing downstream flooding and for...
Ground Water Flow Simulation in a Small Drainage Basin
This paper describes the development and use of a numerical simulation approach for predicting ground water flow in a small drainage basin in southern California. The purpose of the modeling...
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