Grouting Against Hazwaste
Grouting has only recently entered the hazardous-waste arena, mainly in the form of positive cutoff slurry walls. At an industrial landfill near Niagara Falls, N.Y., a three sided, single-line...
The Last Freeway
Ever since what's now known as the Pasadena Freeway was completed in 1940, Los Angeles has been synonymous with the freeway�first with the ease and speed of transport it represented...
Capturing Capital
Over the past few years, the environmental engineering and consulting business has become capital intensive. Between 1991 and 1993, firms' incremental capital needs will total...
Evaluating Spillway Adequacy
More than a third of all dam failures are caused by overtopping. Equipment malfunctions or operations errors are sometimes to blame, but the principal cause is inadequate spillway capacity....
Better Cover-Ups
Designing the final cover for a solid waste landfill or remediation site is often trickier than designing its lining because a cover will undergo more unpredictable stress and distress...
Adding Up Admixtures
The importance of preventive maintenance and lifecycle costs has put added emphasis on concrete performance. For many specifiers, chemical admixtures, added to concrete at the batch plant,...
A European Road Comes to the U.S.
From Sept. 7 to Sept. 22, a group of 21 federal and state transportation officials and industry representatives participated in the European Asphalt Study Tour, traveling the roads of...
The National Aero-Space Plane Program?A Revolutionary Concept
NASP - The National Aero-Space Plane is a look into the future. The NASP program can be described in a number of ways: technological, programmatic, utilitarian, and conceptual. In order...
Lunar-Based System to Supply Power to Earth: Summary of Concept, Benefits, and Development
The Lunar Power System (LPS) is described, references are given to other published work, and possibilities for demonstrating LPS are outlined. Analyses indicate that LPS can provide inexpensive...
Icon-Based Concept for Exploring Rover Autonomy
A model traverse in the Mare Tyrrhenum region of Mars is used as a setting to discuss autonomy and geologic decision-making for a rover mission. An icon-based language is proposed as a...
Salvage Law for Outer Space
This paper presents the essential elements of salvage law for outer space. The author introduces the topic by explaining how salvage law could alleviate the problem of space debris and...
Apollo 11 Ilmenite Revisited
Various investigations have shown (1) that lunar regoliths are extremely complex materials, (2) that ilmenite is a minor component (8 to 10%) of high-Ti regoliths, and (3) that most of...
Sydney Airport International Terminal Development
The existing International Terminal at Sydney (Kingsford Smith) Airport-KSA-is overcrowded and providing a low level of service. Planning for an expanded facility catering for KSA needs...
New Hong Kong International Airport
The airport at Kai Tak has served as a viable commercial operation since the lat 1930s and has played a pivotal role in the territory's development. The fact that Kai Tak has a finite...
Green Architecture: Designing an Ecologically Sound Dwelling
Green architecture has evolved in many places with various names such as natural, healthy, ecological, organic, biological, harmonic, sacred, holistic, etc. The general focus of Modern...
Urban Development on Alluvial Fans
An increasing number of developments has been planned in areas subject to flood hazards. To protect developments from flood damage and to prevent accumulated negative effects on floodplains,...
Housing Chernobyl Relocatees
The April 1986 explosion of the Chernobyl Nuclear Power Plant Reactor 4 in northern Ukraine Commonwealth spread nuclear contamination assisted by southerly winds across hundreds of miles...
The Future Role of Factory Built Housing
For most of this century, and particularly around 1970 as epitomized by Operation Breakthrough, the concept of transitioning the US housing industry from stick-by-stick field building...
Land Development Regulations: Roadblock to Affordable Housing
Land development regulations in the State of New Jersey have been utilized to control development since the mid-1970's. The demand for affordable housing in the state is reaching a critical...
Customer Requirements in Industrialized Housing
Residential construction efforts in the U.S. are highly fragmented, and this has slowed the application of new technologies. While there has been an increase in the use of manufactured...
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