Towering Achievement
A new headquarters complex being constructed for Goldman Sachs in New York City will rise where a Colgate factory once stood. The complex will incude a high-rise main building, a mixed-use...
Dam within a Dam
A routine inspection of the Rock Run Dam, an 84-year-old Ambursen-type structure in Chester County, Pennsylvania, revealed major stress cracks and water stains on the inside face of the...
Evaluation Findings for Seismic Energy Products, L.P. Elastromeric Isolation Bearing
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report presents the results of a detailed evaluation...
Raising the Bar of BART
Although it was originally designed to withstand a strong earthquake, and did so admirably in 1989, the Bay Area Transit (BART) system was recently evaluated to determine its ability to...
Environmental Technology Verfication Report for Installation of Silt Fence Using the Tommy Static Slicing Method
Prepared by the Environmental Technology Evaluation Center (EvTEC), a CERF Innovation Center. This verification report describes a field evaluation...
Evaluation of the CON/SPAN Wingwall System
This evaluation was performed on CON/SPAN Wingwalls, precast concrete end walls for the CON/SPAN Bridge System developed, designed, and supplied by CON/SPAN Bridge System, Inc....
Deep Foundations In the Future (Available in Geo-Environmental Special Issue only)
The design and construction of deep foundations has gone from an art form to a scientifically based engineering practice. Research in this field has improved over the past century and...
Soil Sampling
This manual addresses the principles, equipment, procedures, limitations for obtaining, handling, and preserving soil samples for geotechical investigations in support of civil and military...
On Martian Soil
Discussions are ongoing about how and when to build human settlements on other worlds. Many scientific discussions have focused on settlements on Mars, and how the initial colonists would...
Road Test
The National Center for Asphalt Technology at Auburn University is building a $7 million, 1.8 mi (2.9 km) oval test track to perform accelerated pavement loading experiments. At least...
Digging for Answers (Available in Geoenvironmental Engineering Special Issue only)
Research at the six facilities that make up the National Geotechnical Experimentation Sites (NGES) has included tests on minipiles, groups of driven piles, shafts drilled in rock, and...
Testing the Load (Available in Geoenvironmental Engineering Special Issue only)
The Pittsburgh District of the U.S. Army Corps of Engineers recently began construction of a new gated dam to replace a nearly 100-year-old concrete fixed-crest dam on the Monongahela...
Another Direction
Soil and groundwater contamination continues to be a problem throughout the United States, and on-site remedies are often time-consuming and costly. When such contamination lies underneath...
Natural Tracers of Coastal Sediments
The properties of natural sediments can be used to determine their sources and to trace their transport paths through coastal environments. These properties include the mineralogies of...
San Diego Regional Beach Sand Project
The San Diego Association of Governments (SANDAG) is proposing the San Diego Regional Beach Sand Project to replenish the County's beaches. SANDAG represents the Cities within San Diego...
Humboldt Beach and Dune Monitoring
Since 1881, the U.S. Army Corps of Engineers has maintained the entrance channel to Humboldt Bay on the Northern California Coast. This is accomplished through the annual dredging of approximately...
Beachscape Abstract
The Surfrider Foundation is currently developing a volunteer-based mapping program to document the physical characteristics, land use patterns, pollution sources, public access, erosion,...
Potential Effects of San Mining and Debris Basins on Coastal Sediment Supply in Los Angeles County
The potential sediment supply to the coast in Los Angeles has been heavily impacted by human activity. In the context of rational management of beaches as a resource, it is fundamental...
Possible Sand Resources on the Reef Front Around Oahu
Large sediment deposits on the reef front around Oahu are a possible resource for replenishing eroded beaches. An overview is given on the collection of closely spaced, high-resolution...
Coastal Benefits and Impacts of Dismantling Matilija Dam
A numerical shoreline evolution model was used to examine the shoreline changes associated with the release of 2.3 million cubic meters of beach quality sediment from behind Matilija Dam....
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