Awards

GSI announces GSI Fellowship awardees

September 29, 2020

The 2020–21 Geosynthetics Institute (GSI) Fellowship proposals have been reviewed by Dr. George Koerner, Dr. Grace Hsuan and the GSI Board of Advisors (BOA). GSI is pleased to announce that the recipients of this year’s $5,000 awards have been chosen.  As in previous years, the candidate must be either pursuing a master’s or doctoral degree …

Geosynthetics

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

September 28, 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 …

Events

Leister Technologies LLC offers free geosynthetics welding webinar

September 24, 2020

Leister Technologies presents a free Geosynthetics Webinar on Oct. 7, 2020, at 11 a.m. CST, covering the latest technological advancements that are used to improve overall quality on geomembranes welded in various applications. As the demand for better quality control and quality assurance increases, Leister offers operators the latest technology to capture, analyze and share …

Events

FGI presents US EPA reconsideration of CCR regulations impacting the geosynthetics industry webinar

September 23, 2020

This webinar, on Oct 8, 2020 11:00 a.m.–12:00 p.m. CDT, will discuss a series of proposed and finalized amendments scheduled in 2020 to rules promulgated by the U.S. Environmental Protection Agency (US EPA) to the Coal Combustion Residuals Resource Conservation and Recovery Act Rule (CCR rule). The 2020 amendments seek to comply to with the USWAG …

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 …

Events

GSI to host webinar on lifetime predictions of geosynthetics

September 17, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Lifetime Predictions of Covered and Exposed Geosynthetics,” on October 14, 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. A most frequently asked question regarding all types of geosynthetics …

Events

Registration open for Virtual Waste Containment System Design Seminar 2020

September 15, 2020

Registration is now open for the Virtual Waste Containment System Design Seminar 2020, Oct. 20–22. Experience all the benefits of the in-person event virtually from the comfort of your own location. To register, visit https://www.ifai.com/event/waste-containment-system-design-seminar-a-virtual-event/. This three-day webinar is an opportunity to hear from leading experts in six two-hour presentations; to provide attendees with a deeper …

Events

Presto Geosystems presents solutions for managing stormwater and wastewater webcast

September 9, 2020

Presto Geosystems will present a webcast “Innovative Solutions for Managing Stormwater and Wastewater” on Sept. 16, from 11 a.m. to 12 p.m. CDT. The webcast is free, and participants can earn 1 PDH. Are you looking for a better way to control stormwater and wastewater? As current systems get overtaxed due to rising populations and …

Industry News

APPI explains energy contracts

September 3, 2020

By Kathryn Allen, APPI Energy (Editor’s note: APPI energy services are included in the membership benefit package offered by Industrial Fabrics Association International. The following information was compiled by APPI to help explain their services.) APPI Energy provides our clients a comprehensive way to reduce energy expenses and create budget certainty. Unbiased and independent, we …

Events

GSI to host webinar on landfill covers

September 2, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Landfill covers: Past-present-emerging,” on October 7, 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. Participants will be able to assess past landfill cover practices and gain comparisons to …

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 …

Feature

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

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

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. …

Feature Members only content

Enhanced moisture management of pavement systems through capillary suction

June 1, 2020

By René B. Laprade and John M. Lostumbo Moisture within pavement layers is a principal cause of pavement deterioration (Cedergren 1994, Christopher and McGuffey 1997, Henry and Holtz 2001). Specific problems associated with moisture include (1) reduction in pavement strength caused by excess water in the base course layers and/or the subgrade soils, (2) shrinking …

Feature Members only content

Assessment of condition of an uncovered geosynthetic landfill bottom liner system

June 1, 2020

By James L. Hanson and Nazlı Yeşiller Composite liner systems consisting of geomembranes (GMs) placed over geosynthetic clay liners (GCLs) commonly are used for containment applications. Such systems are used in base liners for ponds, reservoirs, basins and canals, and bottom and cover liner systems for landfill facilities. Even though the use of GCL-GM composites …

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 …

Case Study

High-strength geocell and geogrid hybrid reinforcement

June 1, 2020

Compressor station gravel pad on soft subgrade By Sanat Pokharel, Timothy Yii, Marc Breault and Meisam Norouzi Infrastructure development in natural resources rich Alberta, Canada, often encounters very soft ground conditions that pose several construction and sustainability challenges to transportation infrastructure, such as roads, rails and pipelines. As the conventional construction practices may not always …

Case Study Members only content

Geosynthetic strip MSE wall at Point Defiance Marina

April 1, 2020

By Paul C. Frankenberger and Robert Lozano  This article will focus on a geosynthetic strip mechanically stabilized earth (MSE) wall case study using discrete geosynthetic strips with large precast facing panels (Figure 1), an innovation of the original MSE invention. The system is the Highway Innovative Technology Evaluation Center/National Transportation Product Evaluation Program reviewed GeoMega …

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: …

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 …

Events

Leister Technologies LLC offers free geosynthetics welding webinar

September 24, 2020

Leister Technologies presents a free Geosynthetics Webinar on Oct. 7, 2020, at 11 a.m. CST, covering the latest technological advancements that are used to improve overall quality on geomembranes welded in various applications. As the demand for better quality control and quality assurance increases, Leister offers operators the latest technology to capture, analyze and share …

Events

FGI presents US EPA reconsideration of CCR regulations impacting the geosynthetics industry webinar

September 23, 2020

This webinar, on Oct 8, 2020 11:00 a.m.–12:00 p.m. CDT, will discuss a series of proposed and finalized amendments scheduled in 2020 to rules promulgated by the U.S. Environmental Protection Agency (US EPA) to the Coal Combustion Residuals Resource Conservation and Recovery Act Rule (CCR rule). The 2020 amendments seek to comply to with the USWAG …

Events

GSI to host webinar on lifetime predictions of geosynthetics

September 17, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Lifetime Predictions of Covered and Exposed Geosynthetics,” on October 14, 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. A most frequently asked question regarding all types of geosynthetics …

Events

Registration open for Virtual Waste Containment System Design Seminar 2020

September 15, 2020

Registration is now open for the Virtual Waste Containment System Design Seminar 2020, Oct. 20–22. Experience all the benefits of the in-person event virtually from the comfort of your own location. To register, visit https://www.ifai.com/event/waste-containment-system-design-seminar-a-virtual-event/. This three-day webinar is an opportunity to hear from leading experts in six two-hour presentations; to provide attendees with a deeper …

Events

Presto Geosystems presents solutions for managing stormwater and wastewater webcast

September 9, 2020

Presto Geosystems will present a webcast “Innovative Solutions for Managing Stormwater and Wastewater” on Sept. 16, from 11 a.m. to 12 p.m. CDT. The webcast is free, and participants can earn 1 PDH. Are you looking for a better way to control stormwater and wastewater? As current systems get overtaxed due to rising populations and …

Industry News

APPI explains energy contracts

September 3, 2020

By Kathryn Allen, APPI Energy (Editor’s note: APPI energy services are included in the membership benefit package offered by Industrial Fabrics Association International. The following information was compiled by APPI to help explain their services.) APPI Energy provides our clients a comprehensive way to reduce energy expenses and create budget certainty. Unbiased and independent, we …

Events

GSI to host webinar on landfill covers

September 2, 2020

The Geosynthetic Institute (GSI) will sponsor a webinar, “Landfill covers: Past-present-emerging,” on October 7, 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. Participants will be able to assess past landfill cover practices and gain comparisons to …

Events

TRB to host webinar on updating designs for MSE walls in AASHTO

September 1, 2020

The TRB Standing Committees on Transportation Earthworks and Geosynthetics will jointly organize a TRB webinar on “Updating Designs for Mechanically-Stabilized Earth Walls in AASHTO.”  Bridge-design specifications were updated this year, with the largest change to designs for MSE walls in more than 20 years. TRB will host a webinar on Oct. 8, 2020, from 2:00–3:30 …

Events

Registration opens soon for Virtual Waste Containment System Design Seminar 2020

August 31, 2020

This three-day webinar (Oct. 20–22) is an opportunity to hear from leading experts in six two-hour presentations; to provide attendees with a deeper working knowledge of surface and subsurface flows of stormwater impinging on landfill closures. This discussion will go beyond slope stabilization using the infinite slope formula. Various design approaches and details will be …

Events

WASTECON goes virtual

August 27, 2020

Due to the ongoing COVID-19 pandemic, SWANA has cancelled the WASTECON that was scheduled to take place on Dec. 7–10, 2020, in Dallas, Texas. SWANA’s executive leadership summit for the solid waste and recycling industries will be transformed into a virtual conference in late January 2021 that will bring together public- and private-sector waste industry …

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) …