Awards

Propex GeoSolutions receives awards for sustainability and innovative collaboration

October 23, 2020

Propex GeoSolutions received the Sustainability Project of the Year Award for its Mountain Creek Streambank Stabilization project from Building Recognition in Chattanooga (BRIC). This award recognizes projects that are significant to the Tennessee Valley and address the triple bottom line of sustainability. Additionally, Propex was awarded Innovative Collaboration of the Year. “We are honored to …

Events

2020 GMA Virtual Lobby Day registration now open

October 22, 2020

As we continue to deal with the implications of the pandemic, the Geosynthetic Materials Association (GMA) is making every effort to maintain our influence with federal and state governments to position our industry for success. We have been successful in connecting virtually with individual congressional members during these “shelter in” months. With this success we …

Events

GSI to host webinar on QA/QC of waste containment systems

October 21, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Quality Control/Quality Assurance (QA/QC) of Waste Containment Systems,” on November 4, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. This presentation focuses on geosynthetics used in containment systems. …

Geosynthetics

Submit now for the Geosynthetics Premier Product Showcase in Geosynthetics magazine

October 20, 2020

The February/March 2021 issue of Geosynthetics magazine will include a look at new products and services. Member companies and GMA members are eligible for this free product coverage in our print magazine. Other companies can pay, become a member or join GMA to get listings. To participate, here is what you need to do: 1. …

Geosynthetics

Submit your product listings for the 2021 Geosynthetics Specifier’s Guide by Nov. 9

October 19, 2020

The Geosynthetics Specifier’s Guide is the industry’s complete print and online product sourcing tool. Thousands of companies use this guide to purchase products within the geosynthetics market. IFAI is offering you the opportunity to display your products in the 2021 Geosynthetics Specifier’s Guide. Click on https://www.ifai.com/buyers-guide/ to get started. Submit by Nov. 9, 2020 Become an advertiser or a …

Company News

Solmax launches online Geosynthetic Drainage Tool for design engineers

October 16, 2020

Geosynthetics play a vital role in the containment of solid and liquid waste in landfills, mining, energy, construction, and oil and gas applications. To help design engineers accurately specify the materials needed, Solmax has launched an online resource for engineers–its Geosynthetic Drainage Tool. Geosynthetics are used to contain, drain and protect, but specifications will be …

Events

Last chance to register for the GMA Virtual Waste Containment System Design Seminar 2020

October 16, 2020

There is still time to register for the Virtual Waste Containment System Design Seminar. This event will take place Oct. 20–22, 2020, in a three-day webinar format series. Experience all the benefits of the in-person event virtually from the comfort of your own location. Download the event flyer here. For more information or to register, visit …

Company News

IKO to acquire Axter’s waterproofing membrane division

October 15, 2020

IKO, a global leader in the manufacture of residential and commercial roofing products and insulation, has announced that it has struck a deal in which it intends to acquire Axter’s waterproofing membrane division from the SMAC group. An information and consultation process is currently underway with the relevant stakeholders and will be completed before the …

Case Study

Ground improvements using geofoam: A case history

October 14, 2020

By Javaid M. Alvi, Ph.D., and Jahangir J. Kabir, Ph.D., P.E The project site is a triangular-shaped property located at the intersection of Raleigh Avenue and West Liberty Avenue in the Borough of Dormont, Allegheny County, Pa. (Figure 1). The site housed two Nissan buildings, one with a showroom at the top floor and the …

Events

GSI to host webinar on soil consolidation using wick drains

October 12, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Soil Consolidation Using Wick Drains, aka PVDs.” on October 28, from 11:30 a.m. to 1 p.m. EDT. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. Wick drains, also called prefabricated vertical drains (PVDs), consist of …

Expo News

IFAI Expo and R+T Show Organizer, Messe Stuttgart, to Co-locate Trade Shows Starting in 2021

September 21, 2020

ROSEVILLE, MN—Industrial Fabrics Association International (IFAI) and Messe Stuttgart, organizers of R+T in Stuttgart, Germany; R+T Turkey in Istanbul, Turkey; R+T Asia in Shanghai, China and R+T South America in Sao Paulo, Brazil, are pleased to announce that they will co-locate IFAI Expo with Messe Stuttgart’s new U.S. show named Sun Shading Expo North America …

Expo News

Registration opens for IFAI Expo

June 15, 2020

IFAI Expo Nov. 3–6, 2020 in Indianapolis, Ind., will mark the event’s 100th anniversary. IFAI has announced that it is moving forward as planned, and registration is now open. Safety protocols are in place and will be coordinated with host hotels and the Indiana Convention Center (ICC).  The registration area at IFAI Expo will be …

Company News

IFAI president responds to Coronavirus, adjusts upcoming events

March 17, 2020

As concern over the Coronavirus (COVID-19) grows, I want all IFAI members to know we are closely monitoring developments and following recommendations from the Centers for Disease Control (CDC) and the World Health Organization (WHO). We will follow their recommendations to keep our employees, their families and our members healthy and safe. With this in …

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 …

Case Study

Ground improvements using geofoam: A case history

October 14, 2020

By Javaid M. Alvi, Ph.D., and Jahangir J. Kabir, Ph.D., P.E The project site is a triangular-shaped property located at the intersection of Raleigh Avenue and West Liberty Avenue in the Borough of Dormont, Allegheny County, Pa. (Figure 1). The site housed two Nissan buildings, one with a showroom at the top floor and the …

GMA Techline

The GMA Techline

October 1, 2020

Moderated by George R. Koerner Puncture after NDT Q: I would like your opinion on the fate of punctures in the air channel leftover from nondestructive air channel tests (NDTs), specifically in regard to sealing the air channels to prevent leachate or water ingress. We are particularly concerned with this situation on a landfill cover …

Case Study

A geosynthetic wrap-face vegetated wall system

October 1, 2020

For highway embankment construction  By Stanley M. Miller and Drew Loizeaux A recent creek enhancement project to facilitate the passage of bull trout in Pend Oreille County of northeastern Washington state required removal of a 6-foot (1.8-m) diameter concrete culvert (Figure 1), realignment of a well-traveled county road and a new 58-foot (17.7-m) span bridge. …

Case Study

CCR landfill final cover test pad—Part 2

October 1, 2020

By Nina J. Balsamo, John Massey-Norton, John R. Klamut, Terry Queen,Charles F. Straley and Mark R. Lehner An integrated drainage system (IDS) geomembrane, which provides both a low-permeability membrane and drainage space above the geomembrane, is being used in the final cover at a coal combustion residuals (CCR) landfill in West Virginia. Part 1 of …

Feature

Reinforced embankments for the causeway for a North Wales bridge project

October 1, 2020

By Patricia Guerra-Escobar  The Pont Briwet Project in Penrhyndeudraeth, North Wales, U.K., consisted of the replacement of a historic timber trestle bridge with a new 446-foot (136-m) long concrete viaduct and the upgrade of the approach road to the north and south of the crossing (Figure 1). The site is set within the floodplain of …

Feature Members only content

CCR landfill final cover test pad—Part 1

August 1, 2020

By Nina J. Balsamo, John Massey-Norton, John R. Klamut, Terry Queen,Charles F. Straley and Mark R. Lehner An integrated drainage system (IDS) geomembrane, which provides both a low-permeability membrane and drainage space above the geomembrane, is being used in the final cover at a coal combustion residuals (CCR) landfill in West Virginia. Part 1 of …

Case Study Members only content

Innovative geosynthetic solution saves 106-year-old Panama Canal structures

August 1, 2020

By Tom Stephens and Nicolas Ruiz The Panama Canal opened for business 106 years ago and was hailed as the eighth wonder of the world and an engineering marvel. It has become the most consequential global waterway ever constructed. Since 1914, more than a million ships of all sizes have passed through the canal’s original …

Feature Members only content

PVC sheet piling for cutoff and containment barriers

August 1, 2020

By Brendan Sheppard and Steve Hargrave Polyvinyl chloride (PVC) sheet piling (Figure 1) has been used for more than 25 years in bulkheads throughout the United States and beyond as a replacement for steel, concrete and timber materials due to the high corrosion resistance it offers in marine environments. More recently, barrier walls have been …

GMA Techline

The GMA Techline

August 1, 2020

Seaming dissimilar geomembranes Q: I kindly request your technical support in the questions below: A nonpolyethylene geomembrane was used in phase 1 of the tailings dam waterproofing system of a gold mine. For the expansion (phase 2), the use of a high-density polyethylene (HDPE) geomembrane is being evaluated. How can the HDPE geomembrane join the bituminous …

Environmental

EPA finalizes revisions to the coal ash closure regulations, increases public access to information

July 30, 2020

On July 29, the U.S. Environmental Protection Agency (EPA) finalized several changes to the regulations for coal combustion residuals, known as CCR or coal ash, to implement the court’s vacatur of certain closure requirements as well as adding provisions that enhance the public’s access to information about the management of coal ash at electric utilities. …

GMA Techline

The GMA Techline

October 1, 2020

Moderated by George R. Koerner Puncture after NDT Q: I would like your opinion on the fate of punctures in the air channel leftover from nondestructive air channel tests (NDTs), specifically in regard to sealing the air channels to prevent leachate or water ingress. We are particularly concerned with this situation on a landfill cover …

GMA Techline

The GMA Techline

August 1, 2020

Seaming dissimilar geomembranes Q: I kindly request your technical support in the questions below: A nonpolyethylene geomembrane was used in phase 1 of the tailings dam waterproofing system of a gold mine. For the expansion (phase 2), the use of a high-density polyethylene (HDPE) geomembrane is being evaluated. How can the HDPE geomembrane join the bituminous …

GMA Techline

The GMA Techline

June 1, 2020

Moderated by George R. Koerner Minimum sediment thickness Q: We are going to construct some evaporation ponds on existing sediment on top of a Hypalon geomembrane. The sediment looks to be predominantly fine. The subgrade condition below the liner is not known for sure. In such conditions, can you recommend a minimum sediment thickness that …

GMA Techline

The GMA Techline

April 1, 2020

Moderated by George R. Koerner and Y. “Grace” Hsuan Welding Rod Q: This question is in regard to the welding rod intended for welding of geomembranes (both high-density polyethylene [HDPE] and linear low-density polyethylene [LLDPE]). Are there any GRI GM13- or GM17-based requirements for welding rods or are there any white papers or specifications? I …

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: …

Awards

Propex GeoSolutions receives awards for sustainability and innovative collaboration

October 23, 2020

Propex GeoSolutions received the Sustainability Project of the Year Award for its Mountain Creek Streambank Stabilization project from Building Recognition in Chattanooga (BRIC). This award recognizes projects that are significant to the Tennessee Valley and address the triple bottom line of sustainability. Additionally, Propex was awarded Innovative Collaboration of the Year. “We are honored to …

Events

2020 GMA Virtual Lobby Day registration now open

October 22, 2020

As we continue to deal with the implications of the pandemic, the Geosynthetic Materials Association (GMA) is making every effort to maintain our influence with federal and state governments to position our industry for success. We have been successful in connecting virtually with individual congressional members during these “shelter in” months. With this success we …

Events

GSI to host webinar on QA/QC of waste containment systems

October 21, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Quality Control/Quality Assurance (QA/QC) of Waste Containment Systems,” on November 4, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. This presentation focuses on geosynthetics used in containment systems. …

Company News

Solmax launches online Geosynthetic Drainage Tool for design engineers

October 16, 2020

Geosynthetics play a vital role in the containment of solid and liquid waste in landfills, mining, energy, construction, and oil and gas applications. To help design engineers accurately specify the materials needed, Solmax has launched an online resource for engineers–its Geosynthetic Drainage Tool. Geosynthetics are used to contain, drain and protect, but specifications will be …

Events

Last chance to register for the GMA Virtual Waste Containment System Design Seminar 2020

October 16, 2020

There is still time to register for the Virtual Waste Containment System Design Seminar. This event will take place Oct. 20–22, 2020, in a three-day webinar format series. Experience all the benefits of the in-person event virtually from the comfort of your own location. Download the event flyer here. For more information or to register, visit …

Company News

IKO to acquire Axter’s waterproofing membrane division

October 15, 2020

IKO, a global leader in the manufacture of residential and commercial roofing products and insulation, has announced that it has struck a deal in which it intends to acquire Axter’s waterproofing membrane division from the SMAC group. An information and consultation process is currently underway with the relevant stakeholders and will be completed before the …

Events

GSI to host webinar on soil consolidation using wick drains

October 12, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Soil Consolidation Using Wick Drains, aka PVDs.” on October 28, from 11:30 a.m. to 1 p.m. EDT. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. Wick drains, also called prefabricated vertical drains (PVDs), consist of …

News

Raven announces leadership changes

October 7, 2020

Raven Industries Inc., Sioux Falls, S.D., has announced it is making key leadership changes as part of the company’s continued strategy to focus on greater growth and long-term success.  Last year, Raven launched an expansion of its strategy by increasing investments in targeted areas, including Raven Autonomy™ and Raven Composites™. “I’ve never been more confident …

Events

Webinar series to examine global erosion case studies

October 5, 2020

Join IECA for the Challenge Meets Opportunity: Global Erosion Control Case Studies web series to explore the world’s challenges in erosion control and how innovation and collaboration has led to success. Learn from industry leaders throughout the world as they tackle erosion control to continue to provide clean water and care for the environment. November …

Events

GSI to host webinar on stabilization of slopes with nailed or anchored geosynthetics

October 2, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “In-Situ Stabilization of Soil Slopes Using Nailed or Anchored Geosynthetics,” on October 21, from 11:30 a.m. to 1 p.m. EDT. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. The sliding of soil slopes in the …

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) …