Sum of the Parts
As with all of the bay bridges that serve as life lines to the San Francisco peninsula, the 32-year-old San Mateo Bridge needs strengthening to withstand a maximum credible earthquake...
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...
Sinking a Sewer Line
The design and construction of a sanitary sewer siphon using high density polyethylene (HDPE) pipe in San Juan, Puerto Rico, provided Black & Veatch with a challenging opportunity...
Walled In (Available in Geoenvironmental Special Issue only)
Of the many challenging aspects of the $10.8 billion, 7.5 mi long Central Artery Project in Boston, the construction of soldier pile, tremie concrete (SPTC) walls under the existing elevated...
Analysis, Design, Construction, and Testing of Deep Foundations
This proceedings,
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...
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...
The Deep (Available in Geo-Environmental Special Issue only)
Despite a mere 1,500 ft separation, Baltimore's Oriole Park at Camden Yards and Ravens Stadium required vastly different deep foundation solutions. While Oriole Park is founded...
Effects of Construction on Structures
This proceedings,
Geosynthetics in Foundation Reinforcement and Erosion Control Systems
The variety and number of applications of geosynthetics in goetechnical engineering continues to grow rapidly. This proceedings focuses on two specific applications: soil reinforcement...
Shake, Rattle and Hold (Available in Structural Engineering Special Issue Only)
In-situ lateral load tests of two bridge bents were conducted on Interstate 15 in Salt Lake City, Utah, to determine the strength and ductility of an existing concrete bridge and the improvements...
Compensation Grouting
To minimize ground movement while tunneling a sewer 5 m below Toronto's Spadina subway line, engineers used special instrumentation, tunneling control and grouting to limit...
Putting On Your Safety Cap
Geomembranes are an important part of landfill cap design. However not all geomembrane liners are created equal, and it's best to know what a liner is made of before specifying...
On Solid Ground (Available only in the Geoenvironmental Special Issue)
On four transportation projects in Portland, Ore., soil nails and micropiles are used as alternatives to conventional earth-retention and foundation systems. The use of soil nails and...
Bump At the End of the Bridge
Interface bumps between bridge abutments and embankments increase risk and add over $100 million to maintenance expenses every year. New research reveals effective ways to deal with the...
Preparing for Repair (Available only in Geoenvironmental Special Issue)
The Sacramento River Water Treatment Plant, Sacramento, Calif., was built in 1924 and hadn't been upgraded since 1958. In 1996, the city of Sacramento, the owner of the plant,...
Los Angeles Metro-TBM Starter Tunnels-Mixed Face Conditions
Twin TBM starter tunnerls with mixed face conditions were successfully mined by roadheader with steel rib and shotcrete initial support beneath the Hollywood Freeway. Tunneling and total...
Rubber Meets the Road in Maine
Maine design engineers working on a $42 million highway project, faced several settlement problems in the alignment's soft soil. One of their solutions was to use 500,000...
Seismic Analysis and Design for Soil-Pile-Structure Interactions
Pile foundations are used extensively to support structures in seismic regions around the world. For years, geotechnical engineers have neglected to consider the interaction soil-pile...
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