Banking on Bioengineering
Geoenvironmental engineers have traditionally used riprap to protect streambanks and river banks from erosion. In recent years, however, river regulators, permitting agencies, and county...
Wetlands Treat Mine Runoff
Engineers were asked to design a treatment system for the severely acidic drainage from the Mike Horse and Anaconda metals mines in Montana. Challenges included the mountainous terrain,...
Through Frozen Ground
The most difficult section of the Massachusetts Bay Transportation Authority's (MBTA) Silver Line transit corridor project is approximately 112 m (400 ft) of tunnel below...
Cold Climate Solution
To reduce turbidity in sedimentation-basin discharge, Anchorage, Alaska, is experimenting with constructed wetlands to augment storm-water discharge treatment from several storm-drain...
Substructures Stack Up (Available in Structural Engineering Special Issue only)
As part of a 1997 research project sponsored by the Texas Department of Transportation and the Federal Highway Administration, the University of Texas at Austin Center for Transportation...
Hyogoken-Nanbu (Kobe) Earthquake of January 17, 1995
Lifeline Performance
Prepared by the Technical Council on Lifeline Earthquake Engineering of ASCE. On January 17, 1995, the Hyogoken-Nanbu earthquake struck the Kobe, Japan,...
Guidelines for the Seismic Evaluation and Upgrade of Water Transmission Facilities
Prepared by the Technical Council on Lifeline Earthquake Engineering of ASCE This TCLEE Monograph provides guidelines for the seismic evaluation and...
Potential Climate Change Effects on Great Lakes Hydrodynamics and Water Quality
This report provides a state-of-the-art review of the climate change effects on lake hydrodynamics and water quality. Most of the engineering cases in this book deal with the ability of...
Water, Water, Everywhere (Available in Geoenvironmental special issue only)
The discovery of extensive contamination just prior to construction of an underground library storage facility prompted engineers from the Minneapolis-based firms CNA Consulting Engineers...
Energy Unleashed
The U.S. Army Corps of Engineers discharges a mean daily flow of 2,000 cu ft/s (57 m�/s) under a gross head of 280 ft (85 m) through four Howell-Bunger valves at the Summersville Dam in...
Perpetual Pilots
Because testing new processes, treatment chemicals, and operational modifications is difficult in full-scale water treatment facilities, many utilities are installing permanent pilot plants....
Application of Linear Programming Techniques to Optimize Groundwater Withdrawals for a Pump and Treat System at Aberdeen Proving Ground, Maryland
The U.S. Army disposed chemical agents, laboratory materials, and unexploded ordnance at the O-Field landfill from before World War II until at least the 1950s. Soil, ground water, surface...
Use of Optimization Techniques to Evaluate Ground-Water Management Strategies in the Central and West Coast Basins, Los Angeles County, California
The U.S. Geological Survey and the Water Replenishment District of Southern California are engaged in a cooperative study of the geohydrology, geochemistry, and ground-water management...
Participatory Engineering: Community Involvement to Maximize Benefits of Infrastructure Improvement in Vietnam
(No paper) Participatory engineering deals with the processes which link communities to the technological interventions which affect them. Examples of sustainable linkages abound in many...
Watercourse Master Plans: Two Case Studies
(No paper) The State of Arizona recently established statutes (ARS 48-3609.01) that enable local flood control districts to identify sensitive watercourses for floodplain management. The...
A Statewide Economic Optimization Model for California II: Model and Results
(No paper) Traditionally simulation models have been used for multi-reservoir operation studies. More recently deterministic optimization models have been used to identify promising alternatives...
City of Phoenix Water System Water Plan: Beyond the Year 2000
(No paper) System demands with the City of Phoenix water system are accommodated by utilization of water supplied from several different sources distributed through an interconnected system....
Del Webb's Innovative Approach to Master-Planned Community Development
(No paper) The Del Webb Corporation is currently building a master planned development on the northern edge of Maricopa County. The development plan includes a water campus housing a water...
Retrofitting CSO Infrastructure in New Haven, Connecticut
(No paper) The City of New Haven Water Pollution Control Authority operates a wastewater collection and treatment system which serves over 130,000 residents in the cities of New Haven,...
Economic Valuation of Agricultural Water Use for Large-Scale Modeling
(No paper) A state-wide irrigated agricultural production model has been developed for California. The model is an extension of the Central Valley Production (CVP) Model that was most...
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