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...
Compaction Characteristics of Contaminated Soils-Reuse as a Road Base Material
Contaminated soils generated from leaking underground storage tanks (USTs) sites are classified as solid waste or non-hazardous waste. Since petroleum contaminated soils are solid waste...
Do Coated Pipes Last Longer?
Field studies have revealed that polymer coated steel pipe resists corrosion longer than pipe coated with other materials. Corrosion is the most common failure mechanism of pipe culvert,...
Alternative Landfill Covers Pass the Test
Researchers at the Sandia National Laboratories in Albuquerque, N.M., are conducting a large-scale field demonstration comparing final landfill cover designs in arid and semi-arid regions....
Cold Regions Impact on Civil Works
This proceedings ,
Recycled Materials in Geotechnical Applications
This proceedings,
Containing the Cold War's Hot Waste
A new method for the construction, verification, and maintenance of underground vaults isolates and contains radioactive burial sites without excavation or drilling in contaminated areas....
Bottoms Up
Placement of dredged material in an environmentally beneficial manner appears to be the trend for the future, considering the economics as well as the increased environmental consciousness...
Superfund Success, Superfast
After 15 years of indecision, unprecedented cooperation among regulatory agencies, community action groups, and Potentially Responsible Parties (PRPs) resulted in the completion of remedial...
Evaluation Findings of the All Sign Products, Inc. Polycarbonate Stop Sign
Prepared by the Highway Innovative Technology Evaluation Center, a CERF Service Center. This report presents the HITEC evaluation of a plastic stop...
Stressing Masonry's Future
Post-tensioning techniques are expanding the possibilities for masonry in building and bridge construction. Two projects in Britain and the U.S. show the rewards of rethinking approaches...
Smooth Take-Off
Rough runway pavement can make for a bumpy flight and nervous passengers. The Port Authority of New York and New Jersey uses an advanced software package to detect and mitigate rough spots...
Better Salt Storage
Facing tighter maintenance budgets and stringent environmental regulations, many highway departments are designing and building innovative structures to store road salt. One such structure...
Hydraulic Fracturing Advances (Available Only in Geoenvironmental Special Issue)
Removing contaminants trapped in clays and nonpermeable soils can be difficult if not impossible with traditional extraction methods. A look at four hydraulic fracturing case studies shows...
Building to Last
This proceedings,
Taking in the River
As dams across the country age, so do their intake gates, and testing them requires dewatering. To meet the challenge of dewatering these structures without upsetting sensitive aquatic...
Recycling Penn Forest Dam
Almost since it's construction more than 30 years ago, the Penn Forest Dam had suffered severe seepage, leading officials in Bethlehem, Penn., to wonder how secure their largest...
Swedish Success
Constructing the Hoga Kusten Bridge in northern Sweden, which features the seventh-longest main span of any suspension bridge in the world, was a complex task made more difficult by the...
Design of Blast Resistant Buildings in Petrochemical Facilities
This report provides general guidelines in the structural design of blast resistant petrochemical facilities. Informational coverage is provided for OSHA requirements, design objectives,...
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