A Parallel Fron Large-Scale Stris
A methodology for large-scale structural analysis using a parallel frontal solution algorithm is developed and implemented on the Alliant FX/80 Multiple Instructions Multiple Data (MIMD)...
Parallel Preconditioned Conjugate Gradient Methods for Structural Analysis Problems with Multiple Loadings
This paper describes the use of conjugate gradient method for finite element problems with multiple loading cases. Specifically, we introduce a modified conjugate gradient method for the...
Program Design with Algebraic Specifications
This paper demonstrates the use of algebraic methods in specifying the functional properties of engineering software components, an approach that enables one to focus on software design...
Data Modelling for Steel Frame Structures
The first step to automate any facet of structural engineering is developing a suitable data representation upon which the computer program will operate. However, there is no standard...
What Object-Oriented Programming Can Mean for Structural Engineers
In recent years, object-oriented programming has become an important topic in the computational community. Although generally viewed as a programmers' tool, object-oriented...
Transactions of the American Society of Civil Engineers 1990
Energy in the 90's
This proceedings consists of papers presented at the specialty conference Energy in the Nineties which was sponsored by the Energy Division of the American Society of Civil Engineers and...
Boston's Sewage Outfall
The centerpiece of the Boston Harbor cleanup plan will be the sewage plant on Deer Island, which will treat water from 43 municipalities in the Boston metro area�500 mgd to start. In order...
Reservation Rebirth?
Slightly under one million American Indians live on reservations�legally sovereign nations that occupy a total land area the size of New England. Unbound by county and state environmental...
Radioactive Waste: Finding a Safe Place
The Nuclear Waste Policy Act of 1981 and its amendments mandate that the U.S. Department of Energy find a repository for the nation's high-level radioactive wastes, characterize...
Getting the Lead Out
When officials from Omaha, Neb. announced an ambitious plan to revitalize an abandoned stretch of land along the Missouri River, the land itself presented one of the biggest problems....
The Long Climb to Remediation
During World War II, the Rocky Mountain Arsenal in Colorado served as an Army manufacturing center for the production, then destruction, of mustard gas, napalm, cluster bomb mixtures,...
Closing Hazardous Landfills
Designing and constructing covers for uncontrolled hazardous-waste landfills can pose some special problems�such as differential settlements as great as 50% of landfill thickness. Under...
Fear of Trying
Conventional methods for cleaning up hazardous-waste sites are expensive, subject to increasing restrictions, and don't work that well for certain types of waste. Innovative...
Ground Water: How Contaminated?
It is common knowledge that ground waters, like surface waters, are endangered by pollution from a variety of human activities. Commonsense approaches to the problem are overshadowed by...
Long Term Durability of Geomembranes
The most frequently asked question about geosynthetic materials is how long they will last. Precise answers, especially for geomembranes, elude researchers as well as manufacturers, design...
Aquifer Restoration: Which Method?
Ground-water contamination is an increasing problem, especially in large urban areas. Toxics that seep into water supplies threaten the health of the community and it's difficult...
Building a Geographic Information System (GIS) for Siting New York City Sludge Management Facilities
Siting studies for waste facilities usually focus on a particular geographic region, or a defined study area, and are restricted to a specific technology. However, the siting of land-based...
A GIS for the Louisiana Coastal Zone
The U. S. Army Engineer District, New Orleans is responsible for collecting, interpreting, and publishing large amounts of data related to engineering geology, subsidence, and land loss...
Application of GIS to the Planning and Preliminary Design of the Vancouver Island Highway
Crippen Consultants and Reid, Collins and Associates(divisions of H.A. Simons Ltd) have completed the corridor selection and preliminary design of a section of the Inland Island Highway...
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