Montana DOT rebuilds an old bridge with a new system

April 1, 2014

Using geosynthetic reinforced soil, this two-lane project was completed faster with lower costs By Craig Abernathy Objective The structure built at the South Fork Dry Fork Marias River crossing was selected for a new technology tested in other states and was proven to work. The new bridge—also designed as a grizzly bear undercrossing—was built with …

The four Ws of GSI white papers

Why, what, when, and where? According to Wikipedia (my favorite source for all kinds of information), a white paper is “an authoritative report … to understand an issue, solve a problem, or make a decision. White papers are used in two main spheres: government and business-to-business marketing.” From my title, I suggest that the “why” …

The GMA Techline and its 5th set of 500 Q’s-&-A’s

By Bob and George Koerner Introduction The Geosynthetic Materials Association (GMA) Techline was launched in September 2004—now in its 10th year!—as a free worldwide service to answer questions involving the many aspects of geosynthetic materials. From the outset there were no constraints placed on the questioner or their questions. GMA contracted with the Geosynthetic Institute …

ECEC’s Hitt recognized

The Washington, D.C.-based Manufacturing Institute recognized 160 honorees, including Diane Hitt, with the Women in Manufacturing STEP (Science, Technology, Engineering, and Production) Award. The STEP Awards honor women who have demonstrated excellence and leadership in their careers and represent all levels of the manufacturing industry. Hitt is the general manager at Pennsylvania-based East Coast Erosion …

DOT: $600 million for transportation

The DOT allocates funds for important transportation projects The U.S. Department of Transportation (DOT) has announced that $600 million will be made available to fund transportation projects across the country under a sixth round of the DOT’s Transportation Investment Generating Economic Recovery (TIGER) grant program. The 2014 TIGER grant program will place an emphasis on …

ASTM D35 Committee on Geosynthetics establishes award

First recipient, Dave Suits, is namesake for the honor By Ron Bygness At its January 2014 biannual meetings, ASTM International’s Committee D35 on Geosynthetics announced that it had established a committee award that would recognize outstanding long-term service and commitment to Committee D35. And the first recipient of the new L. David Suits Award was …

Long-term pavement testing by FHWA

Contamination by subgrade soil causes deterioration in pavements from progressive loss of effective aggregate base thickness. Introduction A major deterioration factor in pavements is the progressive loss of effective aggregate base thickness because of contamination by subgrade soil. In the service life of a pavement, subgrade soil fines migrate upward into the unbound base aggregate …

Ongoing work for Geosynthetic Materials Association

By Lucie Passus GMA wrapped up the first of two 2014 visits to Washington, D.C., March 4 – 5. This federal government relations program continues to attract GMA members and its allies, who met with their respective elected officials to focus on three key legislative and regulatory items currently of importance to the industry. Previously, …

Severe erosion compromises Florida road

TRM called on for erosion control in reconstruction of St. Joe Road By Jill Pack Introduction As Tropical Storm Debby made its way to Florida in June 2012, residents prepared for the power outages, supply shortages, and flooding that typically accompany storms of this predicted magnitude. As Debby made landfall, the heavy downpour saturated the …

Geosynthetics in new transportation applications

Geosynthetic materials can decrease project costs and time while improving performance and stability. By Timothy D. Stark and David Paiko Introduction Geosynthetics are useful and versatile materials that have found a range of applications in transportation projects (Berg and Suits, 2000). Geosynthetic materials can decrease project costs and project time; increase design life, stability, and …