GCLs used for airport runways in France, containment at gold mine in Saudi Arabia

June 1, 2006

Master Drainage Plan, Line E, San Jacinto Basin One of the largest infrastructure projects in Europe in recent years has been in Toulouse, France, at the Toulouse-Blagnac Airport and the adjacent Airbus-France facility where the new Airbus A-380s are built. During the course of this construction project, hangars were built to house the wide-bodied A-380 …

Rejuvenated reservoir will irrigate world-famous golf courses

April 1, 2006

More than 21 acres of geomembrane help revive Pebble Beach’s Forest Lake Reservoir. Originally constructed in the late 19th century, a reservoir near a scenic stretch of California coastline underwent a dramatic transformation last year, and is now poised to serve the irrigation needs of the 21st century Pebble Beach community. Located on California’s beautiful …

Projects highlight progressive uses of geosynthetics

A problem-solving wall project in Michigan and preserving Stump Pass in Florida highlight two more progressive uses of geosynthetics. First section by Jacob Manthei, second section by Jeff Barbian and Ron Bygness Retaining wall, utilities merged in Michigan Developers and engineers have long tackled the problems with hilly building sites and are ever in search …

On the grow: Assessing the U.S. green roof market

Multiple benefits, new technologies are building up green roofs. By Sonja Hegman Green roofs are gaining in popularity as more people acquire knowledge on the subject. Awareness of green roofs as an eco-friendly concept is also being nurtured in the design and architectural communities. And building owners are not as dismissive of green roofs as …

A garden grows on a Minneapolis rooftop

Architects, designers, and new geosynthetics build a high-rise green space. By Mason Riddle There is mesh and then there is mesh. For a downtown Minneapolis 10-story penthouse, the proper mesh was critical to the installation and maintenance of a rooftop garden and terrace, which, like the owner’s living quarters, affords impossibly spectacular views of both …

Berm is working on the railroad

Geosynthetic solution offers both separation and reinforcement for this Canadian rail project. Canadian Pacific Railway (CPR) is renowned for building rail lines through some of North America’s toughest terrain. Just west of Kenora, Ontario, near the Manitoba/Ontario border, the main CPR track crosses the Telford Marsh, an area of weak organic soil. A 250 m …

Case study: Music City Center green roof

By Allan Wingfield Nashville’s new Music City Center convention facility features a unique sloped green roof design designed to mimic Tennessee’s rolling hills. There is a 65-ft difference in elevation from the northwest corner of the site to the southeast corner. Many challenges needed to be addressed, including keeping the vegetation evenly watered while diverting …

Geotextiles in unpaved roads: A 35-year case history

By William M. Hawkins Abstract This article presents current information on geotextiles installed experimentally in an unpaved road 35 years ago. In 1972, geotextiles were largely untested, and the site was set up as an accelerated field test to determine the comparative performances of several fabrics for use as a geotextile. But because the site …