Events

TRB webinar proposals submission deadline looms

August 17, 2018

Please submit your TRB standing committee’s webinar proposals by Monday, Oct. 15, 2018. This includes proposals for the TRB Standing Committee on Geosynthetics, chaired by Dr. Jennifer Nicks. The deadline applies to webinars that TRB will host during the first half of 2019 (January 1–June 30). After October 15, TRB will review forms and respond …

Events

Public to choose winners of IGS photo contest, vote now

August 16, 2018

The public voting period for the inaugural Young Members Committee of the IGS Photo Competition is open. After a fantastic response from members all over the world, an independent judging panel have shortlisted eight finalists. Public voting will now decide the winner. Please vote for your favorite photos at https://www.surveymonkey.co.uk/r/YVCWT8Q. Voting closes on August 31.

Events

IAGI GeoGames coming to Geosynthetics 2019

August 14, 2018

Game on! Witness the remarkable proficiency and skills utilized by geosynthetic installers at the inaugural GeoGames, hosted by the International Association of Geosynthetic Installers (IAGI). The competition on Feb. 12, 2019, will highlight both the quality and speed of professional industry installers. Teams will be charged with welding a variety of geomembranes into various challenging …

News

Industrial Fabrics Association International endorses APPI Energy

August 10, 2018

Industrial Fabrics Association International (IFAI) announced their endorsement of consulting firm APPI Energy to provide electricity and natural gas cost management and reduction services for their members. With APPI Energy’s member benefit, IFAI members will receive expert recommendations, cost reduction opportunities, and budget certainty through competitive procurement and fixed, all-inclusive energy contracts. “Every day, APPI Energy …

IGS-NA (NAGS)

IGS releases new edition of the ‘Guide to the Specification of Geosynthetics’

August 9, 2018

The International Geosynthetics Society (IGS) has released the fifth edition of the “Guide to the Specification of Geosynthetics.” The objective of this document is to be a generic guide and aid to those writing geosynthetic specifications. The guide will provide information that is useful to those who use specifications, buyers of geosynthetics and installers. The …

Industry News

IFAI to host Women in Textiles Summit 2019, call for presentations open

August 8, 2018

IFAI will host its first ever Women in Textiles Summit on March 6-8, 2019, at the Hyatt Regency Savannah in Savannah, Ga. The goal of the summit is to strengthen the advancement of women through an interactive forum that provides education, networking and dialogue about important issues affecting women in business. The summit will explore …

GSI News Members only content

GSI awards 2018–19 fellowships

August 7, 2018

The Geosynthetic Institute (GSI), with the guidance of the GSI board of advisors, has awarded GSI fellowships for the 2018–19 academic year. The program recognizes and supports outstanding students worldwide studying geosynthetics. The GSI fellowship program includes candidates pursuing master’s degrees or doctoral degrees. The amount awarded to each fellowship recipient is $5,000. The fourteen …

GMA News

Senators and House members introduce bill to spur use of innovative infrastructure materials, GMA plays key role

August 3, 2018

Sens. Sheldon Whitehouse, D-R.I.; Lamar Alexander, R-Tenn.; Mike Rounds, R-S.D.; and Cory Booker, D-N.J., introduced on Aug. 2 the Innovative Materials for America’s Growth and Infrastructure Newly Expanded (IMAGINE) Act, to encourage research and deployment of innovative construction materials in transportation and water infrastructure projects nationwide. Investing in these new techniques and materials would help …

Geomembranes

New ASTM International standard will help in construction with GCLs

August 2, 2018

A newly released ASTM International standard will help those who construct and install geosynthetic clay liners (GCLs), which are used to help with containment for: landfills coal combustion residual storage cells mining operations remediation and environmental protection projects The new standard (D8204) focuses on evaluating both best practices as well as possible negative impacts of …

Company News

Propex featured on Success Files with Rob Lowe, first promo airs tonight

August 2, 2018

On Aug. 2 and 5, the Fox Business Network will air an informational spotlight on Propex GeoSolutions during primetime hours. This is a preview of what’s to come on the public television show Success Files with Rob Lowe. Last year Success Files reached out to Propex to be included in a segment focused on America’s …

Feature

Geocomposite lamination strength ASTM test method: Time for an update

August 1, 2018

Recent project experience that included continuous peel testing across the roll width of geocomposite materials has shed light on the issue of peel strength between geotextiles and geonets that are heat-bonded together. The variability of peel strength across a roll width is found to be much greater than expected, with the typical standard deviation often …

Feature

Case studies using EPS geofoam for mining and energy

August 1, 2018

The complexities of the built environment continually challenge the limits of engineering and construction. For infrastructure built-in areas with settlement-prone soils or other hazardous geological conditions, assembling a team of experts to plan for challenges is essential. Industries like mining, oil and gas, and utilities must often bore through earth and rock to build tunnels, …

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 …

Containment Members only content

Safe storage of mining waste focus of report

August 1, 2018

In December 2017, the United Nations Environment Programme (UN Environment) and GRID-Arendal, an organization that supports environmentally sustainable development in partnership with UN Environment and other collaborators, published “Mine Tailings Storage: Safety Is No Accident.” The report recommends mining companies adopt simple steps to reduce environmental destruction and death by changing the way they store …

Feature

Deploying a geosynthetic mattress ballast layer at an ore-processing site

August 1, 2018

New applications of geosynthetics are being found that form from overlaps of existing functions, such as protection, separation, filtration and drainage. One new geosynthetic product, the geosynthetic mattress ballast layer (GBL), was first implemented for an ore-processing waste facility protection application in 2015. The GBL is a geotextile containment system that provides a tubular component …

Feature

Testing a new method for mining-waste storage using polymer-enhanced geosynthetic clay liners

July 31, 2018

Geosynthetic clay liners (GCL) and polymer-modified geosynthetic clay liners (PMG) are gaining favor for use in industrial waste disposal and ore-processing applications (Athanassopoulos et al. 2015, Donovan et al. 2016a, Donovan et al. 2016b). The GCL or PMG can be a component of a composite liner system that will allow for increased performance (relative to …

People

ARTBA leader Ruane to retire

June 20, 2018

Pete Ruane, president and CEO of the American Road & Transportation Builders Association (ARTBA), announced he will be retiring from the organization in October 2018 after 30 years of service, ARTBA said in a June 19, 2018, prepared statement. He is the longest tenured head of the 116-year-old organization. After Ruane’s departure, ARTBA executive vice …

Feature Members only content

Monitoring the performance of Louisiana’s first GRS–IBS bridge

June 1, 2018

Over the decades, soil mass reinforced by layers of geosynthetics has been used widely and successfully in a variety of earth structures, such as mechanically stabilized earth (MSE) retaining walls, embankments, slopes and shallow foundations. Due to the proven benefits of geosynthetic reinforced soil (GRS), including cost-effectiveness, simple and fast construction, and tolerance of differential …

Feature Members only content

Springtime failure of a cold-climate geotextile riprap slope

June 1, 2018

Geotextiles play an essential role in geotechnical projects. A significant use for geotextiles is as a separator and filter in drainage and erosion control applications (Holtz 2002). A temporary erosion control application geotextile, such as silt fencing, is used to prevent soil erosion by containing the soil and turbid water in a onetime operation. For …

Feature Members only content

Highway deep-patch geogrid applications

June 1, 2018

Deep patch is a repair technique that has been widely used on low-volume roads in the Pacific Northwest as a cost-effective mitigation technique to address settlement and shallow landsliding of side-cast embankment fill slopes and natural slopes consisting of weak soils overlying stronger soils (Cuelho et al. 2012). A deep patch consists of a subexcavation …

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 …

GMA Techline Members only content

Questions and answers from the GMA Techline

August 1, 2016

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

GMA Techline Members only content

Recycled materials reinforcement?

June 1, 2016

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

GMA Techline Members only content

Weld or sew?

June 1, 2016

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

GMA Techline Members only content

Strength test?

June 1, 2016

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

GMA Techline Members only content

Three of the most difficult questions

June 1, 2016

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

Events

TRB webinar proposals submission deadline looms

August 17, 2018

Please submit your TRB standing committee’s webinar proposals by Monday, Oct. 15, 2018. This includes proposals for the TRB Standing Committee on Geosynthetics, chaired by Dr. Jennifer Nicks. The deadline applies to webinars that TRB will host during the first half of 2019 (January 1–June 30). After October 15, TRB will review forms and respond …

Events

Public to choose winners of IGS photo contest, vote now

August 16, 2018

The public voting period for the inaugural Young Members Committee of the IGS Photo Competition is open. After a fantastic response from members all over the world, an independent judging panel have shortlisted eight finalists. Public voting will now decide the winner. Please vote for your favorite photos at https://www.surveymonkey.co.uk/r/YVCWT8Q. Voting closes on August 31.

Events

IAGI GeoGames coming to Geosynthetics 2019

August 14, 2018

Game on! Witness the remarkable proficiency and skills utilized by geosynthetic installers at the inaugural GeoGames, hosted by the International Association of Geosynthetic Installers (IAGI). The competition on Feb. 12, 2019, will highlight both the quality and speed of professional industry installers. Teams will be charged with welding a variety of geomembranes into various challenging …

News

Industrial Fabrics Association International endorses APPI Energy

August 10, 2018

Industrial Fabrics Association International (IFAI) announced their endorsement of consulting firm APPI Energy to provide electricity and natural gas cost management and reduction services for their members. With APPI Energy’s member benefit, IFAI members will receive expert recommendations, cost reduction opportunities, and budget certainty through competitive procurement and fixed, all-inclusive energy contracts. “Every day, APPI Energy …

IGS-NA (NAGS)

IGS releases new edition of the ‘Guide to the Specification of Geosynthetics’

August 9, 2018

The International Geosynthetics Society (IGS) has released the fifth edition of the “Guide to the Specification of Geosynthetics.” The objective of this document is to be a generic guide and aid to those writing geosynthetic specifications. The guide will provide information that is useful to those who use specifications, buyers of geosynthetics and installers. The …

Industry News

IFAI to host Women in Textiles Summit 2019, call for presentations open

August 8, 2018

IFAI will host its first ever Women in Textiles Summit on March 6-8, 2019, at the Hyatt Regency Savannah in Savannah, Ga. The goal of the summit is to strengthen the advancement of women through an interactive forum that provides education, networking and dialogue about important issues affecting women in business. The summit will explore …

GSI News Members only content

GSI awards 2018–19 fellowships

August 7, 2018

The Geosynthetic Institute (GSI), with the guidance of the GSI board of advisors, has awarded GSI fellowships for the 2018–19 academic year. The program recognizes and supports outstanding students worldwide studying geosynthetics. The GSI fellowship program includes candidates pursuing master’s degrees or doctoral degrees. The amount awarded to each fellowship recipient is $5,000. The fourteen …

GMA News

Senators and House members introduce bill to spur use of innovative infrastructure materials, GMA plays key role

August 3, 2018

Sens. Sheldon Whitehouse, D-R.I.; Lamar Alexander, R-Tenn.; Mike Rounds, R-S.D.; and Cory Booker, D-N.J., introduced on Aug. 2 the Innovative Materials for America’s Growth and Infrastructure Newly Expanded (IMAGINE) Act, to encourage research and deployment of innovative construction materials in transportation and water infrastructure projects nationwide. Investing in these new techniques and materials would help …

Geomembranes

New ASTM International standard will help in construction with GCLs

August 2, 2018

A newly released ASTM International standard will help those who construct and install geosynthetic clay liners (GCLs), which are used to help with containment for: landfills coal combustion residual storage cells mining operations remediation and environmental protection projects The new standard (D8204) focuses on evaluating both best practices as well as possible negative impacts of …

Company News

Propex featured on Success Files with Rob Lowe, first promo airs tonight

August 2, 2018

On Aug. 2 and 5, the Fox Business Network will air an informational spotlight on Propex GeoSolutions during primetime hours. This is a preview of what’s to come on the public television show Success Files with Rob Lowe. Last year Success Files reached out to Propex to be included in a segment focused on America’s …

Events

TRB webinar proposals submission deadline looms

August 17, 2018

Please submit your TRB standing committee’s webinar proposals by Monday, Oct. 15, 2018. This includes proposals for the TRB Standing Committee on Geosynthetics, chaired by Dr. Jennifer Nicks. The deadline applies to webinars that TRB will host during the first half of 2019 (January 1–June 30). After October 15, TRB will review forms and respond …

IGS-NA (NAGS)

IGS releases new edition of the ‘Guide to the Specification of Geosynthetics’

August 9, 2018

The International Geosynthetics Society (IGS) has released the fifth edition of the “Guide to the Specification of Geosynthetics.” The objective of this document is to be a generic guide and aid to those writing geosynthetic specifications. The guide will provide information that is useful to those who use specifications, buyers of geosynthetics and installers. The …

GSI News Members only content

GSI awards 2018–19 fellowships

August 7, 2018

The Geosynthetic Institute (GSI), with the guidance of the GSI board of advisors, has awarded GSI fellowships for the 2018–19 academic year. The program recognizes and supports outstanding students worldwide studying geosynthetics. The GSI fellowship program includes candidates pursuing master’s degrees or doctoral degrees. The amount awarded to each fellowship recipient is $5,000. The fourteen …

Geomembranes

New ASTM International standard will help in construction with GCLs

August 2, 2018

A newly released ASTM International standard will help those who construct and install geosynthetic clay liners (GCLs), which are used to help with containment for: landfills coal combustion residual storage cells mining operations remediation and environmental protection projects The new standard (D8204) focuses on evaluating both best practices as well as possible negative impacts of …

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 …

Geotextiles

PLOSAB s.r.o. shows cutting open of TenCate geotextile tube in YouTube video

July 27, 2018

PLOSAB s.r.o., based in the Czech Republic, has released a YouTube video showing the cutting open of geotextile tube drainage bags filled with predominantly organic sediment. The video was shot about a week after the filling of the TenCate Geotubes. The company has been offering a comprehensive range of floating dredger services since 2007, and …

GMA News

‘Emerging Topics in Geosynthetics’ is focus of free all-day live-streaming short course

July 20, 2018

The University of Illinois at Urbana-Champaign (UIUC), in partnership with the Geosynthetic Materials Association (GMA) and the Fabricated Geomembrane Institute (FGI), will live-stream an all-day short course on “Emerging Topics in Geosynthetics,” Aug. 3, from 8:45 a.m. to 3:55 p.m. CDT. The short course is free to geosynthetics industry professionals. Designed as a series of …

Erosion Control Materials

GSI’s Koerner to host webinar on slope stabilization using nailed or anchored geosynthetics

July 19, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “In-Situ Stabilization of Soil Slopes Using Nailed or Anchored Geosynthetics,” on Aug. 15, from 11:30 a.m. to 1 p.m. EDT. The webinar will be hosted by Dr. Robert M. Koerner. GMA member companies and their employees receive discounted rates on all GSI webinar and short course …

GMA News

Geosynthetics Institute webinar calendar for 2018; GMA members get discount

July 9, 2018

July–December 2018 | 11:30 a.m.–1 p.m. EDT Duration: 1.5 hours GSI/GMA Members: $200.00 USD per webinar Non-GSI/GMA Members: $250.00 USD per webinar The Geosynthetic Materials Association (GMA) is proud to promote Dr. Robert M. Koerner and the Geosynthetic Institute (GSI) education program. Dates of upcoming and future GSI webinars, which are designed to enhance and grow your knowledge of the industry, follow. …

Geomembranes

Fabricated Geomembrane Institute highlights accomplishments and current activities

June 27, 2018

It has been more than a year since the Fabricated Geomembrane Institute (FGI) inducted new officers and a new board of directors, which occurred in March 2017 at the Industrial Fabrics Association International (IFAI) and American Society of Civil Engineers (ASCE) Geotechnical Frontiers Conference in Orlando, Fla. Officers and directors currently serving include Patrick Elliott, …