Dominican Republic farm road improved with new retaining walls

June 1, 2013

Geogrid reinforcement improves access. By Ángel Conde Introduction The 25-km dirt road from Jarabacoa to Constanza in the mountainous central region of the Dominican Republic has long been a lifeline for local farmers transporting their bananas, vegetables, strawberries, coffee, and flowers. But the road suffered from landslides, severe erosion, and uneven surfaces, which slowed the …

Geogrid lateral load?

From the GMA Techline RE: Geogrid lateral load? I have proposed a GRS wall to replace a cut fill failure. Our geotechnical division says it will not hold the lateral load of the surcharge of a car or truck. It will be 6 feet deep, 8 feet wide, and 90 feet long. We will excavate …

Use of geosynthetics in wind farm access roads

April 1, 2013

Case histories from Poland, Canada, and U.S. By Stephan M. Gale, P.E., D.GE., Mark Kurtz, Fred Chuck, P.E., and Dick Janse Introduction The location of a renewable energy project is based on many technical and political issues. Sites are selected because of available wind forces, power distribution, and land leasing issues, but not normally on …

A better way for the Beltway

August 1, 2011

By Alan Dinges Introduction Each day close to 50,000 motorists travel through the Telegraph Road interchange on the integral Interstate-95/495 Capital Beltway between Virginia and Maryland, south of Washington, D.C. In early 2008, extensive upgrades to the interchange began as part of a multi-year project tied to the final phase of the Woodrow Wilson Bridge …

Highway reconstruction on soft soils not a problem with geofoam

April 1, 2011

By David Shong and Nico Sutmoller Once a thriving industrial suburb of Chicago that was sometimes called the Steel City, Gary, Ind., has seen a gradual decline in its industrial base and population. Indiana’s fifth-largest city was hard hit by the decline in steel mill employment but has recently found an economic boon in the …

Utah’s Trax line now built to the airport

Project basics The Salt Lake City Airport Trax Line is a six-mile light-rail extension that will connect with the existing Trax system at the Arena Station, located at 400 West and South Temple. When completed, the Airport Trax Line, combined with the University Trax Line, will connect the top three trip generators in the entire …

Incheon Bridge project with geotextile tubes application

February 1, 2011

This project, submitted by TenCate Geosynthetics, won an Award of Excellence in the 2010 International Achievement Awards(IAA) / Geosynthetics presented by the Industrial Fabrics Association International. Each project in it’s own special way, exhibits outstanding innovation, technical skill and design excellence. Submissions of geosynthetics projects for the 2011 International Achievement Awards are being accepted now. …

Versatile geosynthetics take the taxiway across the bay

This project, submitted by Geo-Synthetics LLC, won an Outstanding Achievement Award in the 2010 International Achievement Awards(IAA) / Geosynthetics presented by the Industrial Fabrics Association International. Each project in it’s own special way, exhibits outstanding innovation, technical skill and design excellence. Submissions of geosynthetics projects for the 2011 International Achievement Awards are being accepted now. …

New bridge abutments with a vegetated finish

This project, submitted by ML Ingeniería, won an Outstanding Achievement Award in the 2010 International Achievement Awards(IAA) / Geosynthetics presented by the Industrial Fabrics Association International. Each project in it’s own special way, exhibits outstanding innovation, technical skill and design excellence. Submissions of geosynthetics projects for the 2011 International Achievement Awards are being accepted now. …

Cameron Airpark combines old and new technologies on its ‘streetways’

October 1, 2010

By Ray Myers Background Cameron Airpark Estates, about 20 miles east of Sacramento, Calif., is a unique residential community and airport. In 1950, Larry Cameron, a former champion rodeo rider and successful auto dealership entrepreneur, envisioned a place where residents could play golf, swim in a lake, and even enjoy the benefit of their own …