Industry News

Get listed in the Geosynthetics 2020 Specifier’s Guide

September 16, 2019

The annual call for listings in the Geosynthetics 2020 Specifier’s Guide opened September 16. Thousands of companies, engineers and government agencies turn to this annual guide to purchase products and services. This comprehensive resource lists suppliers of geotextiles, geomembranes, geogrids, geosynthetic clay liners, drainage materials, geocells and erosion control materials, as well as services related …

Events

IFAI opens registration for Geosynthetics Conference 2020: CASE STUDIES

September 12, 2019

Registration is now open for Geosynthetics Conference 2020: CASE STUDIES. Register now to secure your spot for this brand-new format featuring more than 50 case study presentations. You can take a peek at everything you have to look forward to on the full schedule, and we can’t wait to see you in Charleston. To learn …

Events

IGS announces 2020 Chinese geosynthetics conference and expo

September 6, 2019

The International Geosynthetics Society announced the 10th Chinese National Conference on Geosynthetics and 2020 International Exhibition on Geosynthetics Products and Equipment will be held in Chengdu, China, May 27– 31, 2020. The meeting is organized by Southwest Jiaotong University under the auspices of China Technical Association on Geosynthetics and Chinese Chapter of International Geosynthetics Society. …

Industry News

TRB accepting geosynthetics webinar proposals through Oct. 15

September 5, 2019

The Transportation Research Board (TRB) is accepting webinar proposals related to Committee AFS70 on Geosynthetics, which pertains to the analysis, design, installation and performance of geosynthetics used in transportation facilities. TRB offers these guidelines for those interested in submitting a webinar proposal: 1. Focus on practical messages, things that can be applied on the job. 2. …

GMA News

GMA highlights new product type search to interactive online membership directory

September 4, 2019

The Geosynthetic Materials Association (GMA) announced product type search capability for its online interactive membership directory. The directory, available to the general public, allows searching by company name, location, geographic area on an interactive map and product type. It lists all GMA members, including their contact information, website urls and more. To search the directory, …

Industry News

Researchers develop better method to remove toxic dyes from wastewater using nanofiber webs

August 28, 2019

From health care to fracking and beyond, the ability to clean wastewater is vital in many fields. A team of Texas Tech University researchers working in advanced textiles has found a new way to remove toxic dye pollutants from wastewater, and their approach is safer, cheaper and easier than traditional methods. Their results are described …

Events

HUESKER to sponsor webinar on soil reinforcement products

August 27, 2019

HUESKER Inc. will host a free webinar, “Relevant Properties of Soil Reinforcement Products,” on Sept. 19, from 1:30 p.m. to 2:30 p.m. EDT. Geosynthetics can be manufactured from different polymers. The mechanical behavior of geosynthetic products depend on the material used for their fabrication. This webinar will address important concepts related to strength, stress/strain behavior …

Events

GeoMEast 2019 regular registration deadline is August 30

August 26, 2019

The regular registration deadline for GeoMEast 2019, the Middle East’s largest geotechnical, geosynthetics, infrastructure and construction congress, is August 30. The conference and exhibition will be held at the Historic Cairo Marriott Hotel, Nov. 10–14, 2019, in Egypt. GeoMEast 2019 is a source for lectures, presentations, workshops and short courses exploring geotechnical, geosynthetics, geological, and …

Events

ACEC 2019 fall conference sets sights on the Windy City

August 23, 2019

The American Council of Engineering Companies (ACEC) will hold the 2019 ACEC Fall Conference, the engineering industry’s largest business conference, October 13–16 at the Sheraton Grand Chicago.   More than 1,000 engineering industry leaders from throughout the U.S. and the world routinely attend the annual fall conference, which also never fails to present to attendees …

Events

FGI course addresses emerging topics in geosynthetics in Bogota, Colombia

August 22, 2019

By Timothy D. Stark and Jennifer Miller The Fabricated Geomembrane Institute (FGI) presented a one-day short course at the Sheraton Bogota Hotel in Bogota, Colombia, on Aug. 12, 2019. The short course was offered in collaboration with Filmtex, a geomembrane manufacturing company headquartered in Bogota, and the Colombian Chapter of the International Geosynthetics Society (IGS). …

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 …

Expo News

Textile testing for comfort

October 16, 2018

IFAI’s Pre-Expo Conference Oct. 15 in Dallas offered a range of presentations—many of them focused on topics of particular interest in the advanced textiles area. Textile testing is one topic that will be addressed in more than one session. At the beginning of his talk yesterday on testing and evaluating fabrics’ human comfort, performance and …

Expo News

Useful social media for companies of all sizes

October 15, 2018

Should you bother with social media? Most definitely yes, says Luke Gusman, marketing manager for Sta-Lok Inc., a longtime manufacturer of marine and architectural rigging hardware. Gusman says that no matter how large or small your company, there are five social media platforms that can increase engagement with your product or service and raise your …

Expo News

Successful multigenerational workplaces

October 15, 2018

This is the first time in history that five distinct generations are working in a single workplace, says J. Karl Sherrill Jr., a certified risk manager with Marsh & McLennan Agency LLC, in his 2018 Expo session “Leading Successful Teams in a Multigenerational Workplace.” “It’s a trend affecting every business,” says Sherrill. “You have people …

Expo News

Sewing tips and tricks

October 15, 2018

One of the trickiest things facing the sewing industry is finding qualified workers. Many new employees may be unfamiliar with the basics of sewing machine operation, says Faith Roberts, owner of Banner Canvas in Ham Lake, Minn. In her IFAI Expo session “Sewing Tips and Tricks,” Roberts points out that many young people didn’t grow …

Events

Last exhibit spots in the Geosynthetics Pavilion at IFAI Expo/CAMX available now

June 19, 2018

There’s still time to reserve a booth in the Geosynthetics Pavilion but please act quickly. The Geosynthetics Pavilion at GeoDallas, Oct. 16–17, 2018, part of IFAI Expo/CAMX, has a few booth spaces available, and we don’t want you to miss out on this great opportunity to promote your geosynthetics products. The Geosynthetics Pavilion at the Kay …

Case Study

An innovative cover system to close an ash/sludge impoundment

August 1, 2019

By Paul C. O’Malley, José L. Urrutia and Don DiGuilio The two projects (confidential client) are industrial sites consisting of coal ash and by-product sludge located in the southeastern United States. The projects included 70 and 67 acres (28 and 27 ha) in closure areas, and the waste source consisted of industrial sludge with a …

Case Study

Reviving the Palos Verdes Reservoir—Part 4

August 1, 2019

By John Heap and Chris Kelsey The active site work for the Palos Verdes Reservoir’s substantial update began in late 2016, advanced primarily throughout 2018 and concluded in the second quarter of 2019 with the filling of the reservoir. The project was immense for everyone involved, and with that has come the expected excitement, challenges …

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 …

Case Study

A minitube blanket for landfill gas collection and containment

August 1, 2019

By Stephan Fourmont, Pascal Saunier and Toraj Ghofrani Landfill gas (LFG) is produced during the decomposition of putrescible material in landfills. Often referred to as biogas, LFG is a source of odors and fugitive greenhouse gas (GHG) emissions. LFG is typically 40%–60% methane, which is 25 times more potent to affect climate change than carbon …

Case Study

Stabilization of subgrade soils during Interstate 95 lane widening

August 1, 2019

By Bryan C. Gee, Eric Klein and William T. Maier The Maryland Transportation Authority (MDTA) is implementing a multiyear, multiphase project to add express toll lanes (ETLs) to Interstate 95. The ETLs are providing significant congestion relief in one of the most heavily trafficked corridors in the United States. The major modification to I-95 consists …

Feature

Geogrid reinforced soil structures reach new heights

June 1, 2019

By Sachin Mandavkar and Mehari Weldu Reinforced soil structures are geotechnical systems consisting of reinforcing elements and primarily include mechanically stabilized earth (MSE) walls and reinforced soil slopes (RSS) (Figure 1). MSE walls and RSS are constructed by placing alternating layers of reinforcement and compacted soil behind a facing element to form a composite material …

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 …

Case Study

Streambank restoration using engineered bank stabilization

June 1, 2019

By Jeffery T. Hoilman and Stanley M. Miller Mountain Creek flows through the community of Red Bank near Chattanooga, Tenn., to the Tennessee River. Mountain Creek has been identified by the Tennessee Department of Environment and Conservation (TDEC 2018) as a 303(d)-listed stream, meaning that its pollution exceeds the state’s standards for one or more …

Feature

Using geosynthetics in flexible airport pavements

June 1, 2019

By Benjamin Mahaffay, Jeremy Robinson, Jeffrey Gagnon and Gregory Norwood In recent years, there has been an increasing interest to improve pavement structures through mechanical stabilization by incorporating geosynthetic products within the structure. The Geosynthetic Materials Association (GMA) has identified eight categories of commercially available geosynthetics: geotextiles, geogrids, geonets, geocomposites, geosynthetic interlayers, geocells, erosion control …

Erosion Control

Carthage Mills installs geocell in video

May 2, 2019

Carthage Mills has released a YouTube video showing the installation of a geocell on a slope. The company carries the CX and CXW Series of geocells, which are three-dimensional, expandable panels made from high-density polyethylene (HDPE). Engineers use such geocells for containment, erosion control and ground stabilization applications. They improve the structural and functional behavior …

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 Members only content

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 Members only content

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 Members only content

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 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 Members only content

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 …

Industry News

Get listed in the Geosynthetics 2020 Specifier’s Guide

September 16, 2019

The annual call for listings in the Geosynthetics 2020 Specifier’s Guide opened September 16. Thousands of companies, engineers and government agencies turn to this annual guide to purchase products and services. This comprehensive resource lists suppliers of geotextiles, geomembranes, geogrids, geosynthetic clay liners, drainage materials, geocells and erosion control materials, as well as services related …

Events

IFAI opens registration for Geosynthetics Conference 2020: CASE STUDIES

September 12, 2019

Registration is now open for Geosynthetics Conference 2020: CASE STUDIES. Register now to secure your spot for this brand-new format featuring more than 50 case study presentations. You can take a peek at everything you have to look forward to on the full schedule, and we can’t wait to see you in Charleston. To learn …

Events

IGS announces 2020 Chinese geosynthetics conference and expo

September 6, 2019

The International Geosynthetics Society announced the 10th Chinese National Conference on Geosynthetics and 2020 International Exhibition on Geosynthetics Products and Equipment will be held in Chengdu, China, May 27– 31, 2020. The meeting is organized by Southwest Jiaotong University under the auspices of China Technical Association on Geosynthetics and Chinese Chapter of International Geosynthetics Society. …

Industry News

TRB accepting geosynthetics webinar proposals through Oct. 15

September 5, 2019

The Transportation Research Board (TRB) is accepting webinar proposals related to Committee AFS70 on Geosynthetics, which pertains to the analysis, design, installation and performance of geosynthetics used in transportation facilities. TRB offers these guidelines for those interested in submitting a webinar proposal: 1. Focus on practical messages, things that can be applied on the job. 2. …

GMA News

GMA highlights new product type search to interactive online membership directory

September 4, 2019

The Geosynthetic Materials Association (GMA) announced product type search capability for its online interactive membership directory. The directory, available to the general public, allows searching by company name, location, geographic area on an interactive map and product type. It lists all GMA members, including their contact information, website urls and more. To search the directory, …

Industry News

Researchers develop better method to remove toxic dyes from wastewater using nanofiber webs

August 28, 2019

From health care to fracking and beyond, the ability to clean wastewater is vital in many fields. A team of Texas Tech University researchers working in advanced textiles has found a new way to remove toxic dye pollutants from wastewater, and their approach is safer, cheaper and easier than traditional methods. Their results are described …

Events

HUESKER to sponsor webinar on soil reinforcement products

August 27, 2019

HUESKER Inc. will host a free webinar, “Relevant Properties of Soil Reinforcement Products,” on Sept. 19, from 1:30 p.m. to 2:30 p.m. EDT. Geosynthetics can be manufactured from different polymers. The mechanical behavior of geosynthetic products depend on the material used for their fabrication. This webinar will address important concepts related to strength, stress/strain behavior …

Events

GeoMEast 2019 regular registration deadline is August 30

August 26, 2019

The regular registration deadline for GeoMEast 2019, the Middle East’s largest geotechnical, geosynthetics, infrastructure and construction congress, is August 30. The conference and exhibition will be held at the Historic Cairo Marriott Hotel, Nov. 10–14, 2019, in Egypt. GeoMEast 2019 is a source for lectures, presentations, workshops and short courses exploring geotechnical, geosynthetics, geological, and …

Events

ACEC 2019 fall conference sets sights on the Windy City

August 23, 2019

The American Council of Engineering Companies (ACEC) will hold the 2019 ACEC Fall Conference, the engineering industry’s largest business conference, October 13–16 at the Sheraton Grand Chicago.   More than 1,000 engineering industry leaders from throughout the U.S. and the world routinely attend the annual fall conference, which also never fails to present to attendees …

Events

FGI course addresses emerging topics in geosynthetics in Bogota, Colombia

August 22, 2019

By Timothy D. Stark and Jennifer Miller The Fabricated Geomembrane Institute (FGI) presented a one-day short course at the Sheraton Bogota Hotel in Bogota, Colombia, on Aug. 12, 2019. The short course was offered in collaboration with Filmtex, a geomembrane manufacturing company headquartered in Bogota, and the Colombian Chapter of the International Geosynthetics Society (IGS). …

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) …