The GMA Techline

October 1st, 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 […]

Read More Edit

Leister Technologies LLC offers free geosynthetics welding webinar

September 24th, 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 […]

Read More Edit

The GMA Techline

April 1st, 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 […]

Read More Edit

Lessons learned in alternative coal ash pond closure design and construction

October 1st, 2019

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

Read More Edit

Leister introduces SEAMTEK W-900 AT low-voltage wedge welder

October 12th, 2018

Leister Technical Textiles has released the SEAMTEK W-900 AT low-voltage wedge welder, an energy efficient and safe welder with direct transmission of power to a thin welding wedge. The W-900 welds at a speed of 98 feet (30 m) per minute, uses no energy when in standby mode, can reach the desired target temperature in […]

Read More Edit

Geo19 Watch: Inaugural IAGI GeoGames debuts at Geosynthetics Conference 2019, Plenary lineup announced

October 1st, 2018

The International Association of Geosynthetic Installers (IAGI) is hosting the inaugural GeoGames on Feb. 12, 2019, in Houston, Texas, during Geosynthetics Conference 2019. The outdoor event, to be held in a park across the street from the conference, will feature welding competitions by teams of installers. All Geosynthetics Conference 2019 participants are invited to attend […]

Read More Edit

Automation of large-scale geotextile and geomembrane fabrication

October 1st, 2018

The development of a large-scale fabrication machine was conceived during the fabrication of geotextiles for a tailings pond cap in 2010. The machine joins five strips of material at a time to create fabricated panels for large projects. It is capable of both welding geomembranes and sewing high-strength geotextiles. This machine was specifically designed to […]

Read More Edit

Geosynthetics installers to compete in GeoGames during 2019 Geosynthetics Conference

August 27th, 2018

The International Association of Geosynthetic Installers (IAGI) will host the inaugural Geo Games at the 2019 Geosynthetics Conference in Houston, Texas, on Feb. 12, 2019. The remarkable proficiency and skills utilized by geosynthetic installers displayed in the competition will highlight both the quality and speed of professional industry installers. Teams will be charged with welding […]

Read More Edit

COMANCO teams up with Solmax and GSE on electrically conductive-backed geomembrane welding training

February 22nd, 2018

This is your opportunity to reserve an exhibit space for Geosynthetics 2019. During the first week of February, Florida geosynthetics installer COMANCO Environmental Corp. partnered with Montreal-based Solmax and its Texas-based subsidiary GSE Environmental for three days of in-depth training about GSE’s electrically conductive-backed geomembranes, according to COMANCO’s blog. More than 60 COMANCO liner technicians […]

Read More Edit