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Saturday, August 15, 2020

Story of a Photo: Geomembrane Integrity Survey from a Crane

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While nosing around in Geosynthetica's archives, we happened upon an interesting photo (dated 2004) of Ian Peggs conducting a liner integrity survey while suspended from a crane. Though liner integrity surveys are common, the conditions in which they must be conducted vary wildly. We asked Dr. Peggs if he might offer a few notes about this particular situation. Here's what he shared with us. Read more.

Florida Stormwater Management Inspectors Flood Granite Environmental

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Granite Environmental now houses five more qualified and certified Florida Stormwater Management Inspectors making it a grand total seven certified inspectors! For two days the participants studied and tested to complete the Florida Stormwater Erosion and Sedimentation Control Inspector Program, held in Palm Bay, FL on February 2-3.

Select Abstracts from the Berlin 2 Geomembrane Workshop

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The Berlin 2 geomembrane workshop, held 26 September 2014 in Germany, gathered engineering experts from around the world and who represented multiple perspectives in geosynthetics. The goal was to...
GeoWire for June 22

The GeoWire for the Week of June 22, 2020

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Start the week with the latest in the geoengineering world. Here's the GeoWire conversation for the week of June 22. WORK SMARTER. THE LEAD June 23 is International Women in Engineering...
Roadway embankment feature images - failure and repair

Roadway Embankment Reconstruction after Extreme Weather

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Composite reinforcement systems that combine geosynthetics with different facing systems and supports (steel mesh, soil anchors, etc.) have grown substantially in use. These systems enable very efficient construction of...
Left brain Right brain image for GeoCreatives Series

GeoWire for June 8, 2020

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Start the week with the latest in the geoengineering world. Here's the GeoWire conversation for the week of June 8. WORK SMARTER. BIG PROJECTS Nevada might soon host the largest solar...

New Terminology for Hydraulically-applied Erosion Control Product (HECP)

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ASTM Committee D18 on Soil and Rock, WK29134, is a work item for "New Terminology for Hydraulically-applied Erosion Control Product (HECP)." The scope is to provide a definition for an hydraulically-applied erosion control product (HECP). A material definition is important to the consumer so that they purchase a product that will meet their intended need. The definition would be built into material specifications for hydraulically-applied fiber products. DOTs, landscape architects and civil engineers would utilize the definition in drafting material specifications. Learn more here.;

HDR Cleared in Tampa Bay Reservoir Trial

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The lengthy and acrimonious legal dispute between Tampa Bay Water and engineering firm HDR is not necessarily over, but HDR has come away victorious from the first trial. TBW has been convinced HDR's design and quality control led to excessive cracking of 15.5-billion gallon reservoir--cracking so severe a new reservoir (and liner) is being planned. An interesting article over at ENR details the complexity of the dispute, from the difficulty of proving excessive pore pressure to soil compaction questions. Learn more here.;
Protecting the Gas Processing Plant Railway Embankment

Zornberg and Tutumluer Lead GAP 2019 Geosynthetics Short Course

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Geo-Structural Aspects of Pavements, Railways, and Airfields (GAP 2019) is an interdisciplinary transportation engineering forum designed to foster communication between the three primary transportation sectors. The collaborative environment, supported...
Solmax Geomembranes, Shale Gas

PE Liners in Unconventional Gas Industries

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By Mathieu Cornellier - Natural gas extraction from shale formations has grown exponentially in the past few years in the United States, and all signs show that this trend...
Petrochemical feature image, heavy equipment being hauled over soft soils

Petrochemical Site Requires Unconventional Road Design on Soft Soils

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Geosynthetics are used frequently to support roads that are built specifically for temporary or limited exposure to very heavy loads. This petrochemical installation project, first presented at GeoAmericas 2016...
EuroGeo Transcript: Geomembrane Wrinkles, Bridging, Ballasting, and Uplift

EuroGeo Transcript: Geomembrane Wrinkles, Bridging, Ballasting, Parts 3 – 5

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During EuroGeo 6, Dr. Ian D. Peggs, P.E., P.Eng chaired a special panel discussion on geomembrane wrinkles, bridging, uplift, and ballasting. The recorded session featured panelists Paul Guinard (SOPREMA),...

South Africa: Road Expansion with MSE Walls

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By Kaytech - When a major roadway upgrade was approved for the city of Ballito, KZN Province, South Africa, mechanically stabilized earth (MSE) walls were essential to the...
Will Gates, Bentonite

Will Gates Returns to Minnesota: GCLs, Mining, and More

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On October 17, Dr. Will Gates (SmecTech Research Consulting, Monash University) wrapped up some visits in the United States with a talk organized by the Minnesota Geotechnical Society (MGS)....

Characterizing Sediment Retention Devices with ASTM Methods

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By Joel Sprague and Jay Sprague – Sediment retention devices include silt fence, wattles, filter logs, compost socks, and various types of stormwater inlet protectors. They are a widely...

Pan-American Mining Opportunities

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The mining industry uses an enormous amount of geosynthetic materials to provide safer, stronger, more cost-effective yields. The mine engineering presentations at GeoAmericas 2016 provide a high-quality, comprehensive view...
Leister Adds Annalora to U.S. Geosynthetics Division

Leister Adds Annalora to U.S. Geosynthetics Division

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Welding and hot air equipment manufacturer Leister Technologies has announced the addition of Bob Annalora to its U.S. Geosynthetics Division. Annalora has worked in the geosynthetics field for...
Profile Products Awards Outstanding Distributors

Profile Products Awards Outstanding Distributors

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Profile Products, a manufacturer of soil modification, erosion control, and plant establishment technologies, held its annual awards banquet in February in San Antonio, Texas. The event honors outstanding distributors...
Geosynthetics Mining Solutions 2014

Abstracts Extension: Geosynthetics Mining Solutions 2014

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The deadline for submission of abstracts to Geosynthetics Mining Solutions 2014 has been extended to March 17. Organized by Infomine, and in partnership with SLR Consulting, the event will be...
US Capitol Building

US Congress Agrees on 5-Year Transportation Bill

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After a month of negotiations and bicameral conference meetings, the US House and Senate have come to an agreement on a USD $281 billion transportation bill. The Associated Press's...
An Innovative Application of Technology Award for East Coast Erosion Control

An Innovative Application of Technology Award for East Coast Erosion Control

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Congratulations are due to East Coast Erosion Control, which was honored as one of six companies to receive the iXchange Innovation Award from Ben Franklin Technology Partners of Northeastern...

Efficient Watertight Dams Since 1974 Using Bituminous Geomembranes

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This article is part of Geosynthetica’s GeoAmericas series. Written by Natale Daly, Bertrand Breul, and Bernard Breul of Axter Coletanche and published originally in the GeoAmericas 2016 proceedings by...
Coal Ash Performance Products (CAPP)

Three Companies’ Geosynthetics Combined for CCR Capping Systems

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Geosynthetics are playing an enormous role in updating how coal combustion residuals (CCRs) are managed and stored, both in the near term and for long-term environmental security. INOVA...
Photo of MnDOT Project Using GSE RoaDrain at Expansion Joints

Improving Drainage at Expansion Joints in Rigid Pavements

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By GSE Environmental – Repairing damaged expansion joints in rigid pavements is a costly endeavor. Not only is the cost of the repairs high, but repair projects can go...
Strata India Videos Showcase Geocell Advantages

Strata India Videos Showcase Geocell Advantages

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Strata Geosystems (India) has launched a series of videos to highlight geocell advantages. The company has helped considerably raise the profile of geocellular confinement systems in the fast-growing Indian infrastructure...
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