Company News

Hanes Geo Components acquires DDD Erosion Control

May 22, 2018

On May 21, 2018, Hanes Geo Components, of Winston Salem, N.C., announced the company had reached an agreement to acquire DDD Erosion Control of Ashburn, Ga. “DDD Erosion Control is a leader in the manufacturing and distribution of Silt Fence, a core product segment for Hanes Geo Components,” John Dowdell, president of Hanes Geo Components, …

Industry News

ARTBA petitions USDOT to end federal rule blocking the use of innovative products in highway and bridge projects

May 22, 2018

The American Road & Transportation Builders Association (ARTBA) announced it had formally petitioned the U.S. Department of Transportation (USDOT) to repeal a 102-year-old federal procurement rule the group says has blocked, since its inception, the use of products that could improve safety and quality on the nation’s major roadways. At issue is 23 CFR 635.411, …

Industry News

AASHTO announces passing of Kane

May 21, 2018

On May 18, 2018, the American Association of State Highway and Transportation Officials (AASHTO) announced the death of Dr. Anthony R. “Tony” Kane, the former director of engineering and technical services of AASHTO. Kane died last week after battling a long illness. He was 72. Kane served in his role at AASHTO from 2001 to …

Company News

O-I chooses steel reinforced geosynthetic drainage improvements for a Texas landfill

May 17, 2018

In December 2017, Owens-Illinois, commonly known as O-I and one of the largest glassmakers in the world, took action to improve the drainage system for their glass container landfill situated near the company’s O-I Waco manufacturing facility in Waco, Texas, Contech Engineered Solutions said in a press release. The consulting engineer worked closely with the …

Company News

SKAPS Industries acquires Matrix Composites

May 16, 2018

SKAPS Industries of Athens, Ga., completed an agreement on May 1, 2018, to acquire Matrix Composites of Henderson, Ky., and Seguin, Texas. The acquisition includes all Matrix Composites technologies, operations and assets, SKAPS said. Matrix Composites, Inc. was started in 1996 in Henderson to produce woven fiberglass fabrics, SKAPS said. Under the ownership of Don …

GMA News

GMA and FGI to host part 2 of a webinar on the stability of geosynthetic lined slopes

May 15, 2018

The Geosynthetic Materials Association (GMA), in collaboration with the Fabricated Geomembrane Institute (FGI), will present the second of this two-part, free webinar series on May 31, 2018, at 12:00 p.m. EDT. The webinar will discuss the importance of geosynthetic interface strengths on slope stability, when to use peak and residual geosynthetic interface strengths, how to …

Geomembranes

Layfield Australia becomes exclusive Australian distributor for Seaman XR Geomembranes

May 14, 2018

Layfield Australia along with the Seaman Corp. announced May 11, 2018, that both parties have signed a Memorandum of Understanding (MOU), establishing Layfield as the exclusive distributor of Seaman’s XR® Geomembrane product line in Australia. Both companies have shared a mutually beneficial relationship in North America for more than 25 years, with Layfield fabricating and …

Awards

International Achievement Awards submissions due June 30

May 9, 2018

The International Achievement Awards (IAA) are an annual competition with a goal to promote awareness of the specialty fabrics used in thousands of products and applications ranging in size and shape, including geosynthetics. For more than six decades, the awards have recognized innovation, technical skill and design excellence. Entries are judged by industry experts, editors, …

Drainage Materials

GSI hosts webinar on MSE wall back drainage design

May 9, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “MSE Wall Back Drainage Design,” on May 23, 2018, from 11:30 a.m. to 1 p.m. EDT. Within GSI’s database of 301 failed mechanically stabilized earth (MSE) walls reinforced with geogrids or geotextiles, 64% have failed due to water. Furthermore, 73% have been constructed with fine-grained silt …

Industry News

The Cutting Room

May 9, 2018

June 12, 2018 | Noon EST Free to IFAI Members/$79.00 for Nonmembers The presenters will cover four components used in a cutting room: digitizing, cutting, material handling and ROI. Learn what applications are best suited for full automation and how to implement them and increase your product volumes. Presenters Truy Pham Autometrix Inc. Truy “Tree” …

Erosion Control

GSI hosts webinar on MSE structure inspection

April 25, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “Mechanically Stabilized Earth (MSE) Wall, Berm and Slope Construction Inspection,” on May 9, 2018, from 11:30 a.m. to 1 p.m. EDT. The inspection and monitoring of MSE wall, berm and slope construction using geosynthetic reinforcement is essential for providing a safe, durable system. Such inspection includes …

Erosion Control

2019 IECA Annual Conference issues call for abstracts

April 24, 2018

The International Erosion Control Association (IECA) is now accepting abstracts for the IECA Annual Conference, Feb. 19–22, 2019, in Denver, Colorado, the association said in an April 20, 2018, press release. IECA said it is accepting abstracts for sessions including case studies, technical papers, workshops, industry roundtables, fireside chats, Mountain States-related sessions, posters, product case …

Industry News

FHWA accepting grant applications for advanced transportation technologies

April 23, 2018

The U.S. Department of Transportation’s Federal Highway Administration (FHWA) announced April 18, 2018, it is accepting applications for grants from a pool of up to $60 million in federal funding under the 2015 Fixing America’s Surface Transportation (FAST) Act. The grants will be made to eligible entities to develop model deployment sites for large-scale installation …

Feature

A next-gen basin liner solution for the U.S. Army Corps of Engineers

April 1, 2018

There are more than 100,000 miles (> 160,000 km) of levees throughout the United States, protecting lives and property from extreme weather-related flooding. Aging infrastructure and increasingly stronger storms have intensified the need to reinforce and protect levees, and emergency responders need solutions to repair a breached levee before it results in catastrophic damage. Therefore, …

Feature

Bituminous geomembranes on a French dam

April 1, 2018

La Galaube Dam, an International Commission on Large Dams (ICOLD) facility in the south of France, completes the hydraulic system of the Montagne Noire area and provides a total water storage capacity in excess of 283 million cubic feet (8 million m3). To supply potable water to three counties and 185 municipalities in the region, …

Feature

Reviving the Palos Verdes Reservoir—Part 2

April 1, 2018

The October/November 2016 issue of Geosynthetics published Part 1 of this series on revitalizing the Palos Verdes Reservoir in Los Angeles County, California. That article described the approach to revitalizing the site, as well as the five-month-long geosynthetic manufacturing and fabrication phase. In Part 2, we continue to explore more of the inner workings for …

Feature Members only content

Controlling uplifting gas bubbles in exposed geomembrane-lined ponds—Part 3

April 1, 2018

Part 1 of this series (Thiel 2017) demonstrated how the size, shape, pressure, and stresses and strains experienced by geomembrane bubbles inflated with gas could be analytically estimated. Part 2 of this series (Thiel 2018) evaluated the considerations for incorporating a gas-venting underdrain below the geomembrane liner. The current, and final, Part 3 of this …

Feature

Evaluation of geosynthetic anchor systems through pullout testing

February 1, 2018

Anchor systems are a vital portion of any erosion control program tasked with negating the effects of erosive forces on disturbed soils. Anchor systems are typically deployed in situations where a rolled erosion control product (RECP) is to be used as the primary erosion control measure. As more RECPs, especially high-performance turf reinforcement mats (HPTRMs), …

Feature

Riverbank erosion protection using engineered geosynthetics in Mexico

February 1, 2018

The Río La Antigua is a river that flows through a low-lying region in the Mexican state of Veracruz, which has the historical importance of being one of the first regions where Hernán Cortés landed in the early 1500s. The Casa de Cortés is a popular tourist attraction, and the village of La Antigua’s economy …

Feature

A risk assessment for MSE wall projects

February 1, 2018

During the past 40 years, mechanically stabilized earth (MSE) walls have gained wide acceptance within the public and private sectors, becoming the standard of practice for filled walls. The evolution away from the concrete cantilever wall has occurred primarily because MSE walls are less expensive to construct and easier to design and build. The Federal …

Feature Members only content

GMA Techline

February 1, 2018

Determining quantity of recycled HDPE in a geonet Q: I have a question about high-density polyethylene (HDPE) geonets. Is it possible, by thermogravimetric analysis (TGA) and differential scanning calorimeter (DSC) analysis, to determine the quantity of recycled HDPE present in a geonet? I have a geonet that, I think, is made with virgin and recycled …

Feature

GMA Techline

October 1, 2017

Welding HDPE to PVC and more Q: I would appreciate any input you have on these questions: Can a high-density polyethylene (HDPE) geomembrane (GM) be welded to a PVC geomembrane? I am looking to connect a geomembrane to a building foundation. Based on some research, I have found the following options: bolt the geomembrane to …

Feature Members only content

GMA Techline

August 1, 2017

Liner repair? Pullout tests? Sewn seams? Shear strength of sludges? Geomembrane liner repair Q: I have a facility that has submitted liner repair documentation for the repair of a high-density polyethylene (HDPE) liner for a leachate/stormwater pond at an industrial landfill site. The repairs were performed using either a patch or, for indentations and small …

GMA Techline Members only content

Questions and answers from the GMA Techline

February 1, 2017

Spraying? Shear Strength? Hydraulics? [A more] non-permeable GT? Q: I have received an inquiry for a non-permeable geotextile, which is UV-resistant and will be installed on a long slope for erosion control. Could you kindly recommend a product that would meet these requirements or a solution for this application? Your assistance with this is much …

GMA Techline Members only content

Questions and answers from the GMA Techline

August 1, 2016

Geosynthetic filter failure Q: I am interested in your upcoming webinar on geosynthetic filters and was hoping to get a little clarification on the content. I’m most interested in how geotextile fabrics are used with riprap but I also understand these fabrics are perhaps more commonly associated with roadway construction. How much does this webinar …

GMA Techline Members only content

Recycled materials reinforcement?

June 1, 2016

Questions and answers from the GMA Techline We are soliciting information on the use of recycled materials in the reinforced zone of MSE walls. I recall you as the keeper of many case histories. Do you have any success or failure stories about such recycled content in a reinforced zone? I’m mindful of chemical attack …

GMA Techline Members only content

Weld or sew?

June 1, 2016

Questions and answers from the GMA Techline We have a liner contractor who would like to wedge-weld geotextile rather than sew it. The material is simply a cushion layer below the 40-mil geomembrane and the contractor is concerned the sewn seams will affect wedge welding of the above geomembrane. Do you have a recommendation on …

GMA Techline Members only content

Strength test?

June 1, 2016

Questions and answers from the GMA Techline Something that has always puzzled me while performing the CQA for liners is the strength test for a weld using the extrusion gun. I always thought that if the weld does not pass for elongation, that has more to do with the sheet than how well the weld …

GMA Techline Members only content

Three of the most difficult questions

June 1, 2016

From the GMA Techline Q-and-A 1. Mold inside drainage layer? Q: Recently there has been a greater demand for sustainable projects in Southern California and I was glad to see published in Geosynthetics magazine “Geosynthetics: The science that makes green roofs work” (June/July 2014, Vol. 32, No. 3). I am curious if there are any …

GMA Techline Members only content

Lining of soil embankment?

June 1, 2016

Questions and answers from the GMA Techline I have a question concerning lining systems in embankment dams and want to ask for your advice (from your experience only, no need for any calculations). There is a wastewater reservoir built of clay, with a single HDPE geomembrane on top of the clay (i.e., a kind of …

Company News

Hanes Geo Components acquires DDD Erosion Control

May 22, 2018

On May 21, 2018, Hanes Geo Components, of Winston Salem, N.C., announced the company had reached an agreement to acquire DDD Erosion Control of Ashburn, Ga. “DDD Erosion Control is a leader in the manufacturing and distribution of Silt Fence, a core product segment for Hanes Geo Components,” John Dowdell, president of Hanes Geo Components, …

Industry News

ARTBA petitions USDOT to end federal rule blocking the use of innovative products in highway and bridge projects

May 22, 2018

The American Road & Transportation Builders Association (ARTBA) announced it had formally petitioned the U.S. Department of Transportation (USDOT) to repeal a 102-year-old federal procurement rule the group says has blocked, since its inception, the use of products that could improve safety and quality on the nation’s major roadways. At issue is 23 CFR 635.411, …

Industry News

AASHTO announces passing of Kane

May 21, 2018

On May 18, 2018, the American Association of State Highway and Transportation Officials (AASHTO) announced the death of Dr. Anthony R. “Tony” Kane, the former director of engineering and technical services of AASHTO. Kane died last week after battling a long illness. He was 72. Kane served in his role at AASHTO from 2001 to …

Company News

O-I chooses steel reinforced geosynthetic drainage improvements for a Texas landfill

May 17, 2018

In December 2017, Owens-Illinois, commonly known as O-I and one of the largest glassmakers in the world, took action to improve the drainage system for their glass container landfill situated near the company’s O-I Waco manufacturing facility in Waco, Texas, Contech Engineered Solutions said in a press release. The consulting engineer worked closely with the …

Company News

SKAPS Industries acquires Matrix Composites

May 16, 2018

SKAPS Industries of Athens, Ga., completed an agreement on May 1, 2018, to acquire Matrix Composites of Henderson, Ky., and Seguin, Texas. The acquisition includes all Matrix Composites technologies, operations and assets, SKAPS said. Matrix Composites, Inc. was started in 1996 in Henderson to produce woven fiberglass fabrics, SKAPS said. Under the ownership of Don …

GMA News

GMA and FGI to host part 2 of a webinar on the stability of geosynthetic lined slopes

May 15, 2018

The Geosynthetic Materials Association (GMA), in collaboration with the Fabricated Geomembrane Institute (FGI), will present the second of this two-part, free webinar series on May 31, 2018, at 12:00 p.m. EDT. The webinar will discuss the importance of geosynthetic interface strengths on slope stability, when to use peak and residual geosynthetic interface strengths, how to …

Geomembranes

Layfield Australia becomes exclusive Australian distributor for Seaman XR Geomembranes

May 14, 2018

Layfield Australia along with the Seaman Corp. announced May 11, 2018, that both parties have signed a Memorandum of Understanding (MOU), establishing Layfield as the exclusive distributor of Seaman’s XR® Geomembrane product line in Australia. Both companies have shared a mutually beneficial relationship in North America for more than 25 years, with Layfield fabricating and …

Drainage Materials

GSI hosts webinar on MSE wall back drainage design

May 9, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “MSE Wall Back Drainage Design,” on May 23, 2018, from 11:30 a.m. to 1 p.m. EDT. Within GSI’s database of 301 failed mechanically stabilized earth (MSE) walls reinforced with geogrids or geotextiles, 64% have failed due to water. Furthermore, 73% have been constructed with fine-grained silt …

Industry News

The Cutting Room

May 9, 2018

June 12, 2018 | Noon EST Free to IFAI Members/$79.00 for Nonmembers The presenters will cover four components used in a cutting room: digitizing, cutting, material handling and ROI. Learn what applications are best suited for full automation and how to implement them and increase your product volumes. Presenters Truy Pham Autometrix Inc. Truy “Tree” …

Industry News

Selling Quality Over Price

May 9, 2018

June 20, 2018 | Noon EST Free to IFAI Members/$75.00 for Nonmembers Learn about increasing your bottom line and how to encourage your clients to upgrade to better quality materials. Find out how upselling reflects company image, leads to future referrals and produces long-lasting products.   Presenter Dave Callahan Granite State Cover & Canvas Inc. …

GMA News

GMA and FGI to host part 2 of a webinar on the stability of geosynthetic lined slopes

May 15, 2018

The Geosynthetic Materials Association (GMA), in collaboration with the Fabricated Geomembrane Institute (FGI), will present the second of this two-part, free webinar series on May 31, 2018, at 12:00 p.m. EDT. The webinar will discuss the importance of geosynthetic interface strengths on slope stability, when to use peak and residual geosynthetic interface strengths, how to …

Industry News

USDOT launches BUILD Transportation program and announces $1.5 billion Notice of Funding Opportunity

April 30, 2018

The U.S. Department of Transportation (USDOT) on April 25, 2018, published a Notice of Funding Opportunity (NOFO) to apply for $1.5 billion in discretionary grant funding through the Better Utilizing Investments to Leverage Development (BUILD) Transportation Discretionary Grants program. USDOT said, BUILD Transportation grants replace the preexisting Transportation Investment Generating Economic Recovery (TIGER) grant program. …

Events

NHI hosting course on earth retaining structures in New Mexico and California

April 30, 2018

The Federal Highway Administration (FHWA) National Highway Institute (NHI) will host a three-day instructor-led course on earth retaining structures twice this summer, in Sacramento, California, and Santa Fe, New Mexico. The course (Course Number FHWA-NHI-132036) will provide state-of-the-practice design tools and construction techniques to expand implementation of safe and cost-effective earth retention technologies, NHI said. …

Feature Members only content

GMA Techline

February 1, 2018

Determining quantity of recycled HDPE in a geonet Q: I have a question about high-density polyethylene (HDPE) geonets. Is it possible, by thermogravimetric analysis (TGA) and differential scanning calorimeter (DSC) analysis, to determine the quantity of recycled HDPE present in a geonet? I have a geonet that, I think, is made with virgin and recycled …

Feature

GMA Techline

October 1, 2017

Welding HDPE to PVC and more Q: I would appreciate any input you have on these questions: Can a high-density polyethylene (HDPE) geomembrane (GM) be welded to a PVC geomembrane? I am looking to connect a geomembrane to a building foundation. Based on some research, I have found the following options: bolt the geomembrane to …

Feature Members only content

GMA Techline

August 1, 2017

Liner repair? Pullout tests? Sewn seams? Shear strength of sludges? Geomembrane liner repair Q: I have a facility that has submitted liner repair documentation for the repair of a high-density polyethylene (HDPE) liner for a leachate/stormwater pond at an industrial landfill site. The repairs were performed using either a patch or, for indentations and small …

GMA Techline Members only content

Questions and answers from the GMA Techline

February 1, 2017

Spraying? Shear Strength? Hydraulics? [A more] non-permeable GT? Q: I have received an inquiry for a non-permeable geotextile, which is UV-resistant and will be installed on a long slope for erosion control. Could you kindly recommend a product that would meet these requirements or a solution for this application? Your assistance with this is much …

GMA Techline Members only content

Questions and answers from the GMA Techline

August 1, 2016

Geosynthetic filter failure Q: I am interested in your upcoming webinar on geosynthetic filters and was hoping to get a little clarification on the content. I’m most interested in how geotextile fabrics are used with riprap but I also understand these fabrics are perhaps more commonly associated with roadway construction. How much does this webinar …

GMA Techline Members only content

Recycled materials reinforcement?

June 1, 2016

Questions and answers from the GMA Techline We are soliciting information on the use of recycled materials in the reinforced zone of MSE walls. I recall you as the keeper of many case histories. Do you have any success or failure stories about such recycled content in a reinforced zone? I’m mindful of chemical attack …

GMA Techline Members only content

Weld or sew?

June 1, 2016

Questions and answers from the GMA Techline We have a liner contractor who would like to wedge-weld geotextile rather than sew it. The material is simply a cushion layer below the 40-mil geomembrane and the contractor is concerned the sewn seams will affect wedge welding of the above geomembrane. Do you have a recommendation on …