ASTM�Number One in Consensus Standards
The biggest of the private standards writing organizations, the American Society for Testing and Materials is profiled. Originally a writer of materials specifications, ASTM has grown...
The Deep-Shaft Process: Bright Future for Treating High-Strength Wastewaters
A Deep-Shaft wastewater treatment process may reduce by 10 to 30 percent the power requirements and land area needed for a plant. The technique is most attractive for treating high-BOD...
Ugly Dump Site Transformed into Recreation Mega-Facility
The civil engineering project selected as the Outstanding Civil Engineering Achievement of 1981 is described. While other communities bemoan the use and loss of land to refuse disposal,...
Rehab or Replace? Foundation Testing Provides the Answer
A $15 million, multidisciplinary testing program was undertaken to determine the least expensive methods of rehabilitating Locks and Dam No. 26 on the Mississippi River. The Problems were...
Flood Routing Program
This is the fourth article in Civil Engineering�ASCE's computer series. A BASIC language program is presented for routing floods through storage reservoirs or detention basins...
Engineers Assess Aquaculture Systems for Wastewater Treatment
The status of aquaculture technologies for wastewater treatment are explored, and an engineering assessment is made of the feasibility for their routine use in municipal wastewater treatment....
If Your City's Well Water Has Chemical Pollutants, Then What�
Synthetic organic chemicals, especially certain solvents, are showing up in groundwater all over the U.S. and in many other industrial countries as well. These substances, some of which...
Rocky Mountain Arsenal: Landmark Case of Groundwater Polluted by Chemicals
For more than 20 years, the Army's Rocky Mountain Arsenal near Denver has been dealing with groundwater pollution caused by chemical warfare agents and pesticides. The arsenal...
Thermal Destruction Options for Controlling Hazardous Wastes
Incineration will play an increasingly important role in the management of hazadous waste in the United States. Properly designed and operated incineration systems are capable of destroying...
EPA Moving to control Industrial Toxic Pollutants with New NPDES Permits
To date, the main thrust of the nation's water pollution control program has been to abate traditional pollutants (biochemical oxygen demand, total suspended solids, and heavy...
Will EPA'S Nationwide Urban Runoff Study Achieve Useful Results�
Approximately 30 studies are now underway across the United States as part of the Nationwide Urban Runoff program (NURP) to evaluate the water quality significance of stormwater drainage...
New Uses For Soil-Cement
Since 1961, the use of soil-cement in energy and water resource projects has increased from 51,000 yd� to over 9,100,000 yd�. Its primary applications are erosion protection and seepage...
Synthetic Fabrics for Reinforced Embankments
Non-woven permeable synthetic fabrics have been used in engineering applications for the last ten years. Considerable research has been conducted throughout the world since the first geotechnical...
EPA's I/A Program Speeds Use of New Wastewater Treatment Methods
Because Congress felt there wasn't enough cost- and energy-saving innovations taking place in the environmental field, it launched the innovative and alternative technologies...
Major Changes Ahead in the Nation's Water Cleanup Program
The federal budget squeeze is about to bring some sweeping changes in the nation's water clean-up program. The federal construction grants program will very likely be phased...
Stopping Water with Chemical Grout
New chemical grouts are now available to repair sewer leaks, control groundwater movement, and stabilize incompetent soils. Some of these grouts came into being only after the American...
Mix Design Formulas for Recycled Hot-Asphalt Plant Mixtures
The design of recycled asphalt paving mixtures is compounded by the amount of asphalt and its properties in the reclaimed asphalt pavement. Formulas are presented for proportioning the...
Drilled Piers and Caissons
Drilled piers, also called drilled caissons, drilled shafts, bored piles, and cast-in-situ piles, have recently undergone a period of growth in their use as foundation bearing elements,...
Probabilistic Methods in Structural Engineering
Papers are presented from a symposium on the application of probabilistic methods to structural engineering. The first of four sections deals with codes and specifications which are probability...
Design of Water Intake Structures for Fish Protection
This publication presents the results of a study on available technical information on the characteristics of water intake structures designed to eliminate or reduce damage to fish. Biological...
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