Bernard Myles: geosynthetics pioneer

April 26, 2010

From Sam Allen, 4-26-2010 It is with a very heavy heart that I have to tell you that Bernard Myles died last night (4/25/2010), following his long and courageous fight against cancer. His wife Jan, has instructed that cards and letters may be sent to her address at (Jan Blackwood, 15 Greystones Drive, Reigate, RH2 …

ASCE inducts new class of certified geo-professionals

April 22, 2010

The American Society of Civil Engineers’ (ASCE) Academy of Geo-Professionals inducted the newest class of recipients of the Diplomate in Geotechnical Engineering (D.GE) certification. The group of 41 engineers completed a certification process that includes graduate coursework, professional experience, and an oral defense of the application. The certifications were presented at a ceremony at the …

Geogrids remedy poor site soils at World Cup stadium in South Africa

April 16, 2010

A systematic geogrid installation by South African World Cup 2010 contractors overcame poor load-bearing ground encountered on the new Green Point Stadium in Cape Town (“Cape Town Stadium”). Construction of the stadium, which will play host to a World Cup semifinal in July, was made problematic by the highly variable soil inherent to this scenic …

IFAI seeks candidates for board positions

April 15, 2010

The Leadership Development Committee of the Industrial Fabrics Association International (IFAI) is now seeking candidates to be considered for three director positions on the IFAI Board of Directors. All candidates must be employed by either an End Product or Supplier member who is in good standing. Interested parties must submit written confirmation of their wish …

IFF announces Innovation Award

April 7, 2010

The Industrial Fabrics Foundation (IFF) announced the development of the Innovation Award, a new award program created to inspire imagination and innovation within the specialty fabrics industry. Any company that has developed and manufactured an innovative product related to the industry is eligible in one of three award categories: fabric, hardware and machinery; end product; …

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Veneer stability

April 1, 2010

From the GMA Techline Subject: Veneer stability I have a question about veneer stability in moving earth upslope vs. downslope. In the downslope equations in GRI18, how is the lack of a buttressed passive wedge accounted for in the factor of safety (FS) equations during placement of soil? I think I am getting confused on …

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Geocell application

From the GMA Techline Subject: Geocell application I would like to know the suitability of geocell as slope surface protection on acidic soil conditions. Can we apply geocell directly on top of the slope surface? (Azilah, Malaysia) Reply: Geocells are regularly used in exactly the type of application you describe. A geotextile is generally placed …

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Welding LLDPE/HDPE

From the GMA Techline Subject: Welding LLDPE/HDPE How do you achieve a satisfactory extrusion weld between a 1mm LLDPE geomembrane and a 2mm HDPE geomembrane? What constitutes a satisfactory extrusion weld? (Niall, Ireland) Reply: You have two things going against you in your situation: thickness differences and material differences. Regarding the thickness situation, 1mm is …

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What do you want from your green roof?

All green roofs include multiple underlayers of materials that, together, protect the building and provide the conditions for the top-layer plantings to thrive. Chief among these layers are geosynthetic materials required for separation, waterproofing, and drainage. This article includes selections from “Green roof design and installation” by Angie Durhman, Green Roof Program Manager at TectaAmerica, …

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Geotextile tubes are integral components for oil-pipe foundations, erosion control

PEMEX marine facilities in Tabasco, Mexico. By Alfonso Solís, Amy Tang, and Zoe Lin Abstract In this project, geotextile tube technology is adopted as part of an integral solution for beach erosion problems at the Dos Bocas marine facilities for Petroleos Mexicanos (PEMEX). The solutions designed consisted of: geotextile tubes (GT) filled with sand working …