Geotechnical Testing, Observation, and Documentation
A geotechnical report, field and laboratory testing, as well as observation and documentation are all integral parts of most geotechnical projects. A technician is usually dispatched to...
Impact of Scaling Rule on Simulating the Transport of DNAPLs
Due to the pollutants from lots of industry sewage and organic solvents, they arelow solubility in water and hard to decompose in nature, didn.t treated adequately, itwill cause the ground...
Concrete Delivers
The latest addition to the skyline of Shanghai, China, is a strikingly slender all-concrete 62-story office tower. It is the city's tallest all-concrete building, achieving...
Going Against the Grain
Conventional wisdom has it that granular soils perform better in mechanically stabilized earth (MSE) wall systems. Their properties are well known and simple to express in mathematical...
Stabilizing a Crater Rim
A geocell and geogrid reinforced soil slope concept was selected to stabilize approximately 120 m of eroding and unstable portions of the crater rim at the National Memorial Cemetery of...
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...
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...
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...
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...
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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