A Demonstration Expert System to Aid in Assessing Groundwater Contaminating Potential by Organic Chemicals
An expert systems approach to evaluating mobility and degradation of organics in soil systems is compared to conventional programming techniques. An expert system has been developed in...
A Method for Computerized Site Characterization
Site characterization, the process of evaluating subsurface soil, rock, and groundwater conditions and their impact on project design and construction is a common element in every major...
Conference Overview
An Engineering Foundation Conference organized by the ASCE Urban Water Resources Research Council was held at New England College in Henniker, New Hampshire, June 22-27, 1986. This paper...
Effectiveness of Erosion Control
Erosion control in the urban environment is addressed from the perspective of the mechanisms of erosion. The primary cause of erosion in urban areas is flowing water. Measures are identified...
Constructing a Better Environment
The civil engineer is traditionally designated the jobsite environmental engineer during construction, and is responsible for managing environmental protection and monitoring. Jobsite...
Grouting a Sand Dam
Hardy Dam, owned by Michigan's Consumers Power Co., was constructed in 1929 by dumping sand from railroad trestles for an embankment to support a concrete core wall. Some...
Soil Nailing a Wall
Soil nailing is the reinforced-earth idea (in which the earth must be backfilled behind the wall) applied to cut situations. Soil nails are an inexpensive post-tensioned tieback, consisting...
Jet Grouting: Snail's Pace of Adoption
Jet grouting is grouting of soil, but the process, the equipment and the subsurface product are different from the familiar ones. Here the cement grouting is mixed in situ with the surrounding...
Wicking Bay Muds
Mud deposits in the San Francisco Bay area make construction difficult. Subsidence prevents many from building in the area. Engineers for O'Brien Kreitzberg conquered this...
Research on Transportation Facilities in Cold Regions
Transportation facilities research in cold regions, reported in this session proceedings, begins with a field study showing that ground surface characteristics have a significant effect...
A Digester Gas Cogeneration Plant at EBMUD
Final testing and start-up of a 4. 3 MW digester gas cogeneration plant has been completed and full-time operation begun at the EBMUD Wastewater Treatment Plant in Oakland, California....
Managing Public Works: How the Best Do It
Management methods of what are considered the best public works organizations are reviewed. Examples of personnel management in some of these organizations include: Fostering the professional...
Ground Freezing for Construction
For almost a century, freezing has been used successfully as an art to stabilize ground and control groundwater. First employed by the mining industry in Europe, it has since been widely...
Defining the Infrastructure Problem?The Local View
The Governor's report defines infrastructure as 'the collective network of physical facilities and their maintenance necessary to sustain economic growth and...
Revitalization of Urban Water Supply and Distribution Systems: Detroit and Phoenix Case Studies
In 1980 the people in the Detroit Water and Sewerage Department were asking themselves the kind of question that is facing the managers of many municipal utilities in this country these...
Infrastructure Awareness: Successful Techniques
The need to rehabilitate and upgrade our infrastructure systems, specifically the systems of water supply and distribution, wastewater collection and treatment, bridges, highways and mass...
The National Infrastructure Act
Today, more than ever before, the United States faces a serious problem related to the condition and adequacy of its basic infrastructure - surface transportation, water supply and distribution,...
Trouble in Our Own Back Yard
One million tanks will leak toxic and hazardous substances into the U.S. soil within the next four years. Prevention begins with rapid discovery and probability analysis. Various cleanup...
Carbon Columns: Success at Last
The first large scale application of carbon columns for municipal wastewater treatment has been operating for two years. The columns were designed as part of a program to upgrade an out...
Geotechnical Features of Fur Seal Island Design
In summer 1983, Texaco made plans to construct an artificial island in Harrison Bay of the Beaufort Sea to serve as a platform for exploratory drilling. Fur Seal Island is to be located...
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