Evaluation of the ISOGRID Retaining Wall System
Prepared by the Highway Innovative Technology Evaluation Center, a CERF service center. This report presents the results of a HITEC evaluation of the...
Tunneling under Trains
The Singapore deep tunnel sewerage system consists of a 90 km long tunnel network that will convey wastewater by gravity flow to two new secondary treatment plants being planned for the...
For the Duration
The U.S. Army Corps of Engineers developed a new grouting method called duration grouting when constructing the foundations for the Portugues Dam in Ponce, Puerto Rico. The site is marked...
Evaluation of the SSL MSE PlusTM Retaining Wall System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF service center. This report describes a HITEC evaluation designed to...
Behavioral Characteristics of Residual Soils
This proceedings,
Seattle Solutions
Many of Seattle's most important bridges are vulnerable to serious damage if a much-anticipated big earthquake hits. A city-wide study designated lifeline structures for retrofitting,...
Pump-and-Treat Rescue
The pump-and-treat method of remediation has been regarded for years as unsuccessful and untrustworthy. But a recent project in Chicago showed that in conjunction with horizontal wells...
Tough Conditions, Innovative Solutions
Two major innovations in U.S. construction practice are part of the solution to a complex and difficult portion of the Massachusetts Highway Department's Central Artery/Tunnel...
Coastal Dynamics '97
This proceedings,
Burrowing Beneath Bangkok
The $2.9 billion Bangkok subway project faces several daunting obstacles�soft soils, a high water table and Thailand's current economic upheaval. The Blue Line subway system...
Jet Grouting: New Directions
This article looks at jet grouting in soft soils, especially applications involving pre-installed structural supports for cut and cover excavations. The author offers a question and answer...
Preparing for Pier A
Earthquakes, oil wells, contamination and unstable soil were among the challenges engineers faced as they prepared a site at California's port of Long Beach for the Pier A...
Geotechnical Performance of a Highway Embankment Constructed Using Waste Foundry Sand
A highway embankment was constructed near Auburn, Indiana, using waste foundry sand (WFS) as a demonstration project for the Indiana Department of Transportation (INDOT). Laboratory testing...
Using Waste Foundry Sand for Hydraulic Barriers
Green sand is a mixture of uniformly graded fine silica sand, bentonite, and organic binders that is used to make molds for castings in gray-iron foundries. Large quantities of waste green...
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...
Utilization of Lagoon-Stored Lime in Embankment Construction
The maximum percentage of lime that can be mixed with a predetermined borrow material to build the proposed road embankment without adversely affecting the physical and mechanical properties...
Role of Constituents on the Behavior of Flowable Fly Ash Fill
Flowable fills are increasingly used as backfill materials for pipes and retaining structures because of ease of placement and performance of the solidified material. But the role of its...
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...
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...
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....
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