Modeling the Tides of Massachusetts and Cape Cod Bays
A time-dependent, three-dimensional numerical modeling study of the tides of Massachusetts and Cape Code Bays, motivated by construction of a new sewage treatment plant and ocean outfall...
Self-Cleaning Wet Wells: Definition and Design
Design guidelines for self-cleaning wet wells with variable speed pumps are given and the progress of research at Montana State University and ENSR Consulting and Engineering concerning...
Present and Future Use of Coal Ash in Construction and Related Applications
The American Coal Ash Association, Inc. (ACAA) is an organization of producers and marketers of coal combustion by-products. An annual survey of coal-burning electric utilities is conducted...
Non-Destructive Remote Sensing of Hazardous Waste Sites
This paper describes how the non-contact, nondestructive, remote sensing techniques, of Computer Enhanced Infrared Thermography and Ground Penetrating Radar, may be used to detect buried...
Fly Ash for use in the Stabilization of Industrials Wastes
Fly ash and other coal combustion by-products are used in the stabilization of industrial wastes. This paper describes the various types of fly ashes, the mechanisms of strength development,...
Transit Times Through Compacted Clay Liners
Transit time, or time taken by waste liquid to move through the thickness of the liner, is a short-term performance parameter which can be used to determine the necessary liner thickness....
Fly Ash for Soil Improvement
This proceedings,
Utilization of Industrial By-Products for Construction Materials
The United States is a major producer of agricultural, industrial, mining, and municipal waste materials in the world. Traditional methods of waste disposal most often have resorted to...
Keller Canyon Fills a Need
Opening a new landfill site in California can be an onerous task. Any owner willing to try must work with the state's stringent environmental legislation, profusion of solid...
Exchanging Wastes
For several years, thousands of cubic yards of dried sludge have been stockpiled at the Greater Peoria Sanitary District's wastewater-treatment plant in Peoria, Ill., because...
Runoff As A Resource
Recent studies have shown that storm-water flows from urban and industrial areas typically contain significant quantities of the same pollutants found in wastewater and industrial discharges....
Engineering Sustainable Development
Despite some isolated environmental victories in the past few decades, on a system-wide level the problems�from acid rain to destruction of the rain forest�are getting worse. Can humanity...
Geosynthetics Conquer the Landfill Law
Los Angeles' last operating landfill is undergoing a major expansion using innovative materials in the liner system to overcome difficult site conditions. The design represents...
Roller Compacted Concrete Tailing Retention Dam
A roller compacted concrete (RCC) dam has been designed for gold tailing impoundment in southeast Alaska. To minimize up front capital costs, the curved gravity dam with multiple outlet...
Design of Pena Colorada Tailings Retention Dam
This paper discusses the details involved in the design of a 66 meter high RCC dam to be used to create storage for slurry from an iron ore mining operation located near Manzanillo, Mexico....
Small Systems Struggle
Across the U.S., small communities are caught in a bind. Local governments bear the primary day-to-day burden of caring for public works, responsible for 70% of the nation's...
Staffing Up for a Major Program
A nine-member construction management section must pilot a $335 million, multi-project capital improvement program over the next five years. Should construction management duties automatically...
Environmental Constraints Associated with Dredging in Southern California
The U.S. Army Corps of Engineers, Los Angeles District, is responsible for the maintenance dredging of twelve harbors along the Southern California coast, ranging from Morro Bay in the...
Dynamic Compaction of Nuclear Waste
When ponding, caused by settlement of the original soil cover over low-level nuclear waste buried at the Department of Energy's Savannah River Nuclear Plant near Aiken, S.C.,...
The Environment is Good Business in France
The environmental movement is an important political concern in Europe with the Green party gaining ground in several nations. The European Economic Community is developing environmental...
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