Keeping Tabs on Two Tunnels (available in Geoenvironmental Special Issue only)
Engineers devised a unique liquid level monitoring system to check vertical movements in 90-year old twin subway tunnels. Construction for the Boston Central Artery/Tunnel project requires...
Site Investigations: A Guide (available in Geoenvironmental Special Issue only)
A geotechnical engineer looks at the evolution of reports on subsurface conditions, the most uncertain portion of construction. Most of the cost and risk of construction occurs beneath...
Automatic Savings
Long-term operations and maintenance (O&M) costs of environmental remediation systems often dwarf engineering and remedial construction costs, but they don's have...
Getting the GISt of Costs
Over the past five years, geographic information systems (GIS) have become powerful graphical database tools, useful to everyone from city planners to departments of transportation, from...
Airport Facilities
Innovations for the Next Century
This proceedings,
Cliffside Correction
Construction of a 10 km sewer collector in Valpara�so, Chile, came to a halt due to construction difficulties experienced during pipe jacking operations. Analysis revealed not only construction...
Stretching a Landfill
Landfill expansions can pose engineering challenges, and the Tullytown, Pa., landfill gives an example of a horizontal expansion that added 121 acres of future disposal space. The side-by-side...
New Spin on Bid Sets
The U.S. Army Corps of Engineers' electronic bid set (EBS) system involves putting drawings and documents on CDs to save time, money, and effort. For example, the Corps typically...
Express Design
Milwaukee's high-stakes effort to win its share of the lucrative convention market hinges on its new Midwest Express Center, a 670,000-sq-ft exhibition and convention complex....
Shake It Up (Available in Structural Engineering Special Issue Only)
The California Department of Transportation (CALTRANS) has used structural lightweight concrete for more than 45 years in bridges across the state. Lightweight concrete�made with aggregates...
Geotechnics of Industrial By-Products
Large volumes of industrial by-products are generated each year by U.S. industries, and most are landfilled as solid waste at considerable expense. However, many by-products have desirable...
Recycled Materials for Embankment Construction
Obtaining good quality soils at reasonable costs for use in embankment construction is becoming difficult and hence, attention is directed towards finding alternative materials. On the...
The Safe Disposal of Fly Ash in Pavement or Earth Structures Not Requiring High Strength Materials
Highway agencies throughout the country face the challenge of safe disposal of various waste products in pavements and earth structures. Some of these waste products can be hazardous to...
Crushed Hydrated Fly Ash as a Construction Aggregate
Hydrated fly ash (HFA) is being produced in Texas by first adding water to Class C fly ash and allowing it to hydrate in curing pits for several weeks. HFA typically attain unconfined...
Repeated Loading of Stabilized Recycled Aggregate Base Course
The fatigue behavior, resilient properties, and progressive accumulation of damage due to repeated flexural loads on a fiber-reinforced pavement base course material composed of cement-stabilized...
Artificial Neural Networks for Civil Engineers
Advanced Features and Applications
Sponsored by the Committee on Expert Systems and Artificial Intelligence of the Technical Council on Computer Practices of ASCE. This report illustrates...
Launched Bridges
Quarry Conversion
All over the country, old landfills are filling rapidly, and potential new sites�and public support for them�are in short supply. Cities are faced with increasing solid waste disposal...
Coldhearted Building
A 20,000-ton district cooling plant owned by the Public Service Company of Colorado was recently built to sell chilled water to customers in downtown Denver who will use it to air-condition...
The New Environment for Consolidation
Environmental consulting firms are planning more acquisitions�and to acquire more companies each time they do�in 1998 than in previous years. This finding, from an exclusive survey by...
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