The GMA Techline answers all

August 1st

UV Weathering of Geotextiles Q: My firm is providing construction quality assurance services for a landfill cell expansion. We are having an issue with our contractor and are going to be in a position of having 8 ounces/square yard (271 g/m2) of nonwoven geotextile exposed for a period of time, which exceeds the seven-day limit...

Read More

Deploying a geosynthetic mattress ballast layer at an ore-processing site

August 1st

FIGURE 1 GBL installed on the side slope and suitably ballasted with UV-resistant sandbags and rope. The GBL is white due to the exposed nonwoven geotextile stitched to the underlying black woven geotextile. New applications of geosynthetics are being found that form from overlaps of existing functions, such as protection, separation, filtration and drainage. One...

Read More

Testing a new method for mining-waste storage using polymer-enhanced geosynthetic clay liners

July 31st

FIGURE 1 Installation of a GCL at a tailings pond in South America. All photographs, graphs and illustrationscourtesy of Minerals Technologies Inc. Geosynthetic clay liners (GCL) and polymer-modified geosynthetic clay liners (PMG) are gaining favor for use in industrial waste disposal and ore-processing applications (Athanassopoulos et al. 2015, Donovan et al. 2016a, Donovan et al....

Read More

Brenda Hagerty and Porcupine Canvas: sales and customer-focused marketing

July 1st

“Cold calls are a thing of the past,” says Brenda Hagerty, co-owner and president of Porcupine Canvas Manufacturing Ltd. in Boucherville, Quebec, Canada. “Calling someone out of the blue to try to sell them something just doesn’t work in today’s industry. What clients want are our feet on the ground.” Hagerty’s history with Porcupine Canvas...

Read More

Enhancing workplace (and worker) performance: automation and technology, equipment ROI and the new workforce

July 1st

Custom sales specialist Brandon Cossette at T.R.S. Industries Inc., shown welding on a Miller T600 wedge machine, is working on a tarp that will be made out of 18-oz. vinyl from the Seaman Corp. Photo: T.R.S. Industries Inc. Canvas Innovations in Holland, Mich., focuses on custom marine canvas and upholstery products, says owner Chris Ritsema....

Read More

Stressed? Interactive textiles monitor humans and structures for potential damage

July 1st

© Eddie Rodriquez. Photo: Dreamstime.com. During the evening rush-hour traffic, the eight-lane 35W bridge over the Mississippi River in downtown Minneapolis suddenly collapsed on August 1, 2007, killing 13 people and injuring 145. The bridge was a continuous truss design, and an overstressed gusset plate at a critical joint was later determined as the weak...

Read More

Sign language: The fabric sign and banner market is hotter than ever

July 1st

For an exhibit by artist Charles Lindsay, Britten Inc. printed the artist’s images direct to fabric to cover every wall in the exhibit. A white/black/white material was used for this exhibit, both for its bright white color and to eliminate any washout or backlighting. This fabric has a tactile quality that doesn’t cast a glare...

Read More

ARTBA leader Ruane to retire

June 20th

American Road and Transportation Builder’s Association (ARTBA) portraits taken on Monday, April 30, 2007, in Washington, DC. Photograph by Leslie E. Kossoff/LK Photos, courtesy of ARTBA Pete Ruane, president and CEO of the American Road & Transportation Builders Association (ARTBA), announced he will be retiring from the organization in October 2018 after 30 years of...

Read More

Geoff Kilmer at PhotoWorksGroup matches technology with clients to stay successful

June 1st

We focus on identifying industries versus just finding customers to generate new business,” says Geoff Kilmer, founder and CEO of PhotoWorksGroup, Charlottesville, Va. “When we specialize in an industry, we become better known within it, which results in more references so we don’t have to sell as hard—and we can concentrate on doing a good...

Read More