People

Tim Bauters dies while snowboarding

February 21, 2020

Geosynthetics engineer Tim Bauters passed away while snowboarding at Mt. Hood Meadows ski resort in Oregon. The cause of death was not immediately known. Bauters was 47. Bauters served as director of engineering at Slurry Waste Solutions in California. After earning his PhD in soil and water engineering at Cornell University, the Belgium native began …

Industry News

EPA proposes additional amendments to the regulations for coal combustion residuals

February 20, 2020

The U.S. Environmental Protection Agency (EPA) announced further proposed revisions and flexibilities to the regulations for the management of coal combustion residuals (CCR), commonly known as coal ash, from electric utilities. “This proposal is the last in a set of four planned actions we are taking under the Trump Administration to stabilize coal ash regulations …

Events

Tensar to host webinar on separation materials

February 19, 2020

Tensar Corp. will sponsor a webinar, “Maintaining Separation of Fine-Grained Soils,” on Feb. 27, at 1 p.m. EST. The options available to the designer for maintaining the integrity of granular fill layers which are placed over fine-grained soils to provide a stable surface will be discussed. Multiple design approaches are available for addressing this common …

Company News

CETCO launches BENTOMAT DN-HS geosynthetic clay liner

February 13, 2020

CETCO, a leader in geosynthetic clay liners (GCLs) manufacturing, has released the BENTOMAT DN-HS geosynthetic clay liner, a new addition to the BENTOMAT product portfolio that uses proprietary, high-density needlepunching technology to generate superior peak shear strength properties for slope stability. The product is ideal for containment systems that exist in seismic areas and high …

Geomembranes

AGRU introduces CleanSeam for geomembranes

February 12, 2020

AGRU released CleanSeam, a new product configuration for AGRU geomembrane liners that integrates a protective release film on the weld edges of the geomembrane. CleanSeam eliminates or greatly reduces the potential for fine soils, waste materials, and stockpile dust from coming into contact with seaming areas during or prior to geosynthetics installation.  The negative impacts …

Company News

Solmax’s new website ready for 2020

February 11, 2020

Starting the new decade, geosynthetics leader Solmax is launching a refreshed 2020 website. The redesign adds efficiency and advanced functionality to the site to meet the information and specification needs of all Solmax customers, from engineers to installers and business development specialists. Andreea Sasu, global marketing director, says, “Solmax has grown its manufacturing footprint and …

Events

Layfield sponsors Contractor Seminar in Edmonton

February 11, 2020

Layfield is excited to announce the 2020 Contractor Seminar in Edmonton, Alb., Canada. Layfield will share its knowledge and experience on the following topics: geosynthetic solutions for building roads, pads and yards in Alberta; jobsite erosion and sediment control measures; and geomembranes for containment and vapor management in 2020. The speaker for the day is …

Industry News

Industrial Fabrics Association International partners with Alliance Funding Group to provide fast financing at competitive rates

February 7, 2020

Industrial Fabrics Association International (IFAI) has partnered with Alliance Funding Group to provide members of IFAI fast financing at competitive rates. IFAI’s Vice President of New Business Development, Andrew Aho says, “IFAI is enthusiastic about offering members access to one more resource when considering financing equipment or looking for working capital. Alliance Funding Group has been providing …

Industry News

Water-conducting membrane allows carbon dioxide to transform into fuel more efficiently

February 7, 2020

Methanol is a versatile and efficient chemical used as fuel in the production of countless products. Carbon dioxide (CO2), on the other hand, is a greenhouse gas that is the unwanted byproduct of many industrial processes. Converting CO2 to methanol is one way to put CO2 to good use. In research recently published in Science, …

Events

Presto Geosystems to host webcast on GEOWEB 3D Soil Confinement

February 5, 2020

Presto Geosystems will sponsor a webcast, “Repair and Prevent Slope Erosion with GEOWEB 3D Soil Confinement,” on Feb. 18, at 11 a.m. CST. Earthen slopes are naturally susceptible to erosion due to gravity, water and surcharge loads. Slope failure can lead to unsightly conditions, landscape and property damage, stormwater issues and costly repairs. The GEOWEB Slope …

Expo News

Award breakfast transforms into a networking event

October 4, 2019

Keynote speaker Thom Singer hosted IFAI’s annual award ceremony October 3 at Expo 2019, continuing his message to “see people.” As Expo exhibitors and attendees entered the breakfast event, Singer encouraged people to separate from familiar colleagues and sit with new people. This year’s award ceremony was infused with an additional goal—that of networking with …

Awards

2019 International Achievement Award winners announced

October 3, 2019

The Industrial Fabrics Association International (IFAI) has awarded this year’s International Achievement Awards (IAA) for design excellence in specialty fabrics applications, announced at the awards breakfast on Thursday, Oct. 3 at IFAI Expo 2019. IFAI Expo is the largest specialty fabrics trade show in North America, held this year at the Orange County Convention Center …

Awards

IFF Innovation Award winners announced at IFAI Expo 2019

October 3, 2019

The Industrial Fabrics Foundation (IFF) has awarded Propex GeoSolutions, Chattanooga, Tenn., first prize in the 2019 IFF Innovation Award competition. The company’s PETROMAT® Enviro engineered paving fabric won in the category of End Products. Propex GeoSolutions was awarded a prize of $5,000, presented at IFAI Expo in Orlando, Fla. PETROMAT Enviro was developed to solve the milling …

Expo News

Puerto Rico pups steal hearts at IFAI Expo 2019

October 3, 2019

Amid the latest fabrics, equipment, technology and services for the specialty fabrics industry, Lorenzo, Lilo, Lolo, and Lulo stole hearts, and, according to some dog lovers—the show—at IFAI Expo 2019 in Orlando, Fla. For this Expo, the Industrial Fabrics Foundation (IFF) and the Pet Alliance of Greater Orlando came together to promote two great causes. …

Expo News

Follow the right steps to successfully bid on military contracts

October 2, 2019

The U.S. government is the largest buyer of goods and services in the world, and there are enough opportunities available for everyone to participate in military contract bidding, if you follow the right steps, according to Jennifer Fennell, CPM, director of procurement for Polo Custom Products, Topeka, Kan.  Fennell and Jeff Papalia, textiles program manager …

Expo News

USACE shares infrastructure suggestions

October 17, 2018

Jeb Tingle, senior research engineer at the U.S. Army Corps of Engineers (USACE) Engineer Research and Development Center (ERDC) in Vicksburg, Miss., delivered the plenary address at GeoDallas on Oct. 17 on “Advancing the Nation’s Infrastructure: The USACE Role.” “There’s a big role for research and innovation,” Tingle said. “Doing business as usual won’t give …

Expo News

2018 International Achievement Award Winners Announced

October 17, 2018

The Industrial Fabrics Association International (IFAI) has awarded this year’s International Achievement Awards (IAA) for design excellence in specialty fabrics applications, announced at the awards breakfast on Wednesday, Oct. 17 at IFAI Expo 2018. IFAI Expo is the largest specialty fabrics trade show in North America, held this year at the Kay Bailey Hutchison Convention …

Expo News

Sharpen your competitive edge

October 17, 2018

Asking yourself one simple question can help make your business a magnet for new customers, says marketing professional Madeleine MacRae, owner of MM MacRae Coaching & Consulting. “That question is ‘Who is your ideal client?’” In her Oct. 16 Expo session on distinguishing yourself in the marketplace, MacRae says answering this question is the key …

Expo News

Digital presence is key to acquiring new customers in 2019

October 16, 2018

It’s no surprise the digital world means a company’s ability to attract and keep customers requires a dramatic shift in strategy, tools and resources. Ed Keough, vice president of sales for FutureGuard Building Products Inc. in Auburn, Maine, told business owners they need to embrace digital advertising or be “left in the dust” during his …

Expo News

IFAI Expo keynote speaker Mark Scharenbroich: “acknowledge, honor and connect” with employees and customers

October 16, 2018

Keynote speaker Mark Scharenbroich has straightforward advice for growing a business: Make a true connection with employees and customers and positive results will follow. Scharenbroich shared his humor and motivational wisdom with a packed room at IFAI’s 2018 Expo annual meeting October 16. Rain, wind and cold outside the Kay Bailey Hutchison Convention Center in …

GMA Techline

The GMA Techline

February 1, 2020

Moderated by George R. Koerner and Y. “Grace” Hsuan DARCIAN PERMEABILITY Q: I am aware of the section in your book regarding geomembrane “permeability” and get from it that it aims to calculate an equivalent Darcian permeability using vapor diffusion via Fick’s law. Can one use the derived permeability then when calculating flow using Darcy’s …

Case Study

U.S. Bank Stadium geosynthetic reinforced stress relief wall

February 1, 2020

Design, construction and fire damage mitigation By Nathan M. Lichty, Stephan M. Gale and Timothy P. Bendell Demolition of the Hubert H. Humphrey Metrodome stadium in Minneapolis, Minn., occurred in 2014 and subsequent construction of U.S. Bank Stadium (Figure 1), the home of the Minnesota Vikings and host of the 2018 Super Bowl, occurred between …

Feature

Erosion control using concrete-enhanced synthetic turf

February 1, 2020

By Bradford H. Cooley and Bryan Scholl Concrete-enhanced synthetic turf (CEST) is a hardened revetment system best described as a fiber-reinforced, flexible concrete liner. It consists of a high-friction, impermeable geomembrane layer overlain by an engineered synthetic turf, which is infilled with a 5,000 psi (3.45 × 107 Pa) high-strength cementitious mix. The turf fibers …

Feature

Premier Product Preview offers first look at new products and services

February 1, 2020

Here’s your first look at some of the new products and services that will be on the show floor at the Geosynthetics Conference 2020: CASE STUDIES in North Charleston, S.C., March 8–10. The 2020 show floor will bring together exhibitors covering the gamut of geosynthetic products and services, from geomembranes to electrical leak location testing, …

Transportation

Overcoming expansive soils with Tensar’s TriAx Geogrid

November 13, 2019

Expansion: it’s a win for communities when roads reach out and connect people to business, resources and formerly rural areas. But another form of expansion—soil that expands when water is added and shrinks when it dries out—can thwart this progress by making it hard to economically build and maintain long-lasting roads. “Expansive soil” is in …

Feature

Reinforcing dunes and bluffs with geosynthetics

October 1, 2019

By Brian Maggi, Christopher D. P. Baxter, Aaron Bradshaw, Annette Grilli and Naser Al Naser The devastating effects of recent hurricanes and nor’easters highlight the need to improve the resilience of coastal communities. There is a trend toward implementing “soft” engineering solutions such as dunes reinforced with geotextile sand containers (GSCs) or coastal bluffs stabilized …

Feature Members only content

Repairing an oil well platform with a geogrid reinforced soil slope

October 1, 2019

By Jeff A. Segar  The Mormon Butte site is in the Little Missouri National Grassland in the Badlands region of western North Dakota (Figure 1). Constructed in 1985 and leased through the U.S. Forest Service, the pad elevation was created by cutting into the side of the butte and depositing the spoils at a 1H:1V …

Case Study Members only content

Nature area drainage control with GCCM

October 1, 2019

By Joe Royer, Kurt Chirbas and Ziad Mazboudi The City of Laguna Niguel in Orange County, Calif., has its origins in the Rancho Niguel Mexican land grant, acquired in 1959 by the Laguna Niguel Corp. to develop one of California’s first master-planned communities, which has become predominantly a bedroom community. The city encompasses a total …

Case Study Members only content

Lessons learned in alternative coal ash pond closure design and construction

October 1, 2019

By Anna M. Saindon Coal ash pond closures often face unique challenges due to location, available borrow soils and construction constraints. These challenges can lead to alternative methods of closure to comply with Resource Conservation and Recovery Act (RCRA) Subtitle D and coal combustion residuals (CCR) regulations. This article summarizes the construction of the first …

Case Study

Remediation case study of uranium ore residues settling basin

September 30, 2019

By Laura Carbone, Ole Syllwasschy and Lilma Schimmel In the past, the Soviet-German stock company Wismut carried out an intensive uranium mining operation resulting in a large amount of polluted tailings containing daughter nuclides of uranium (Koß 1997) that were released into industrial sediment ponds (named IAA). The tailings “Pond 4” was built in 1957 …

GMA Techline

The GMA Techline

February 1, 2020

Moderated by George R. Koerner and Y. “Grace” Hsuan DARCIAN PERMEABILITY Q: I am aware of the section in your book regarding geomembrane “permeability” and get from it that it aims to calculate an equivalent Darcian permeability using vapor diffusion via Fick’s law. Can one use the derived permeability then when calculating flow using Darcy’s …

GMA Techline

The GMA Techline

August 1, 2019

Moderated by Robert M. Koerner, George R. Koerner and Y. “Grace” Hsuan A geotextile for unpaved driveway/road? Q: Is there any point in using a 150 g/m2 (4.4 oz/yd2) nonwoven geotextile in building an unpaved gravel driveway or gravel road? If so, what should be the most important characteristics of the fabric and what are …

GMA Techline

The GMA Techline

June 1, 2019

Who is doing the testing? Q: This question relates to the number of rolls to be selected as the lot sample for specification conformance testing and refers to ASTM D4354. When I look at this standard, it appears the values in Table 1 of GRI’s White Paper #10 refer to the number of units to …

GMA Techline

The GMA Techline

April 1, 2019

Vegetation causing gases under geomembrane? Q: I have a site where we are installing a high-density polyethylene (HDPE) liner in an existing pond. Because of some residual heavy metals in the top layer of soil, I would like to strip off the top 3–6 inches (7.6–15.2 cm) of soil and vegetation. Alternatively, we could mow and …

GMA Techline

The GMA Techline

February 1, 2019

Geomembranes for canal lining Q: Our company is an international member of the Industrial Fabrics Association International (IFAI). Our government is planning to line their water canals with a geomembrane to prevent water seepage into the soil. We have been approached by many to suggest the most suitable material with specifications to guide them in …

GMA Techline

The GMA Techline

October 1, 2018

Toxicity of nonwovens? Q: Are there any comprehensive tests (or a general synopsis) of the environmental toxicity of leachate from nonwoven polypropylene fabrics when aged in a freshwater or saltwater solution? Regulatory and municipal bodies in Europe and New Zealand are requesting more info about products that are used in riparian and coastal environments. A: …

GMA Techline

The GMA Techline answers all

August 1, 2018

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 …

Feature

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

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 …

People

Tim Bauters dies while snowboarding

February 21, 2020

Geosynthetics engineer Tim Bauters passed away while snowboarding at Mt. Hood Meadows ski resort in Oregon. The cause of death was not immediately known. Bauters was 47. Bauters served as director of engineering at Slurry Waste Solutions in California. After earning his PhD in soil and water engineering at Cornell University, the Belgium native began …

Industry News

EPA proposes additional amendments to the regulations for coal combustion residuals

February 20, 2020

The U.S. Environmental Protection Agency (EPA) announced further proposed revisions and flexibilities to the regulations for the management of coal combustion residuals (CCR), commonly known as coal ash, from electric utilities. “This proposal is the last in a set of four planned actions we are taking under the Trump Administration to stabilize coal ash regulations …

Events

Tensar to host webinar on separation materials

February 19, 2020

Tensar Corp. will sponsor a webinar, “Maintaining Separation of Fine-Grained Soils,” on Feb. 27, at 1 p.m. EST. The options available to the designer for maintaining the integrity of granular fill layers which are placed over fine-grained soils to provide a stable surface will be discussed. Multiple design approaches are available for addressing this common …

Company News

CETCO launches BENTOMAT DN-HS geosynthetic clay liner

February 13, 2020

CETCO, a leader in geosynthetic clay liners (GCLs) manufacturing, has released the BENTOMAT DN-HS geosynthetic clay liner, a new addition to the BENTOMAT product portfolio that uses proprietary, high-density needlepunching technology to generate superior peak shear strength properties for slope stability. The product is ideal for containment systems that exist in seismic areas and high …

Company News

Solmax’s new website ready for 2020

February 11, 2020

Starting the new decade, geosynthetics leader Solmax is launching a refreshed 2020 website. The redesign adds efficiency and advanced functionality to the site to meet the information and specification needs of all Solmax customers, from engineers to installers and business development specialists. Andreea Sasu, global marketing director, says, “Solmax has grown its manufacturing footprint and …

Events

Layfield sponsors Contractor Seminar in Edmonton

February 11, 2020

Layfield is excited to announce the 2020 Contractor Seminar in Edmonton, Alb., Canada. Layfield will share its knowledge and experience on the following topics: geosynthetic solutions for building roads, pads and yards in Alberta; jobsite erosion and sediment control measures; and geomembranes for containment and vapor management in 2020. The speaker for the day is …

Industry News

Industrial Fabrics Association International partners with Alliance Funding Group to provide fast financing at competitive rates

February 7, 2020

Industrial Fabrics Association International (IFAI) has partnered with Alliance Funding Group to provide members of IFAI fast financing at competitive rates. IFAI’s Vice President of New Business Development, Andrew Aho says, “IFAI is enthusiastic about offering members access to one more resource when considering financing equipment or looking for working capital. Alliance Funding Group has been providing …

Industry News

Water-conducting membrane allows carbon dioxide to transform into fuel more efficiently

February 7, 2020

Methanol is a versatile and efficient chemical used as fuel in the production of countless products. Carbon dioxide (CO2), on the other hand, is a greenhouse gas that is the unwanted byproduct of many industrial processes. Converting CO2 to methanol is one way to put CO2 to good use. In research recently published in Science, …

Events

Presto Geosystems to host webcast on GEOWEB 3D Soil Confinement

February 5, 2020

Presto Geosystems will sponsor a webcast, “Repair and Prevent Slope Erosion with GEOWEB 3D Soil Confinement,” on Feb. 18, at 11 a.m. CST. Earthen slopes are naturally susceptible to erosion due to gravity, water and surcharge loads. Slope failure can lead to unsightly conditions, landscape and property damage, stormwater issues and costly repairs. The GEOWEB Slope …

Company News

E² launches new website for coated fabric solutions

February 4, 2020

Since officially launching the joint venture of EPT and Erez in 2019, the company has now announced the launch of the new E² website, with features and functions that highlight innovative products and recommended applications. With this new technological tool, customers and industry partners will find:   • Product series and data sheets, including EPT’s …

Events

Webinar: Geosynthetics for coal combustion residual (CCR) applications

June 11, 2019

The Fabricated Geomembrane Institute (FGI) will sponsor a free webinar, “Geosynthetics for Coal Combustion Residual (CCR) Applications,” on June 25, from 12 p.m. to 1 p.m. CDT. This webinar will discuss the application of geosynthetic products for use in coal combustion residual (CCR) landfills and impoundments. The webinar will provide an overview of the available …

Industry News

Applications being accepted for DFI’s Women in Deep Foundations professional development grants

April 1, 2019

The DFI Educational Trust and the DFI Women in Deep Foundations Committee are awarding five grants of $1,750 each to women involved in design and/or construction of deep foundations to attend DFI’s 44th Annual Conference on Deep Foundations in Chicago, Oct. 15–18, 2019. The grant includes free conference registration and covers related expenses for attending …

Geogrids

Modeling demonstrates benefit of geogrid-reinforced aggregate base

December 21, 2018

Improved modeling of geogrid for use with the Minnesota Department of Transportation’s pavement design software, MnPAVE Flexible, will allow pavement designers to simulate field tests of stiffness and resiliency in pavements over bases with and without geogrid. The department, known as MnDOT, is using modeling results from a recent study to develop a design input that quantifies the …

Events

GSI to host short course on QA/QC in waste containment, GMA members get discounted rates

December 20, 2018

The Geosynthetic Institute (GSI) will sponsor a short course “Quality Assurance/Quality Control of Geosynthetics in Waste Containment Facilities,” Jan. 14–16, 2019, from 11 a.m. to 12:30 p.m. and 2 p.m. to 3:30 pm EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. This …

Industry News

FGI offers webinar on shear testing

December 17, 2018

The Fabricated Geomembrane Institute (FGI) will sponsor a free webinar “Geosynthetic Interface Shear Testing,” on Jan. 22, 2019, from noon to 1 p.m. CDT. In this presentation, Robert Swan of Drexel University will discuss the different methods of measuring geosynthetic interface shear strength, describe industry standard test methods and explore the accreditation process for laboratories …

Events

Christopher to present Koerner lecture series on ‘lessons learned’

December 14, 2018

Barry R. Christopher, Ph.D., P.E., will present the first in the 2019 Dr. Robert M. Koerner Award and Lecture Series on “Lessons Learned: An Adventure in 4 Decades of Geosynthetics Engineering” on Feb. 13, 2019, at the Geosynthetics Conference 2019 in Houston, Texas. The presentation will review his involvement in the development of geosynthetics engineering …

Company News

EPT introduces new string-reinforced LLDPE geomembrane

December 13, 2018

To meet the growing demand for linear low density polyethylene (LLDPE) by geomembrane fabricators and installers, Engineered Polymer Technologies (EPT) has announced a new string-reinforced LLDPE fabric. LLDPE has been in increasing demand due to its superior flexibility and better layflat versus high density polyethylene (HDPE). EPT has specially formulated its LLDPE fabric for high …

Industry News

FGI accepting applications for engineering innovation award

November 30, 2018

The Fabricated Geomembrane Engineering Innovation Award was created to recognize engineers who have creatively used fabricated geomembranes to successfully fulfill a client/owner’s needs, including technical requirements, scheduling and budget. Today’s engineers are working to solve environmental issues on a global scale. The Fabricated Geomembrane Institute’s (FGI’s) Fabricated Geomembrane Engineering Innovation Award competition pays tribute to …

GSI News

GSI to host webinar on stability designs for landfill covers, GMA members get discounted rates

November 29, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar “Stability Designs of Landfill Cover Soils,” on December 12, from 11:30 a.m. to 1 p.m. EDT. GMA member companies and their employees receive discounted rates on all GSI webinar and short course registrations. This webinar focuses on the stability design of relatively thin soil layers over geosynthetics …

Industry News

Tensar to present technical seminar in Minneapolis

November 26, 2018

Tensar International Corp. will sponsor a technical seminar in Minneapolis, Minn., on Jan. 8, 2019, from 7:30 a.m. to 4 p.m. CDT. The seminar will be held at the Hyatt Regency Minneapolis. The seminar will cover a variety of geosynthetic applications, including roadways, pavement maintenance, walls and slopes, market solutions, airfields, mechanically stabilized earth (MSE) …