Layfield introduces HydraNet geonets/geocomposites

April 7th, 2022

Layfield introduces HydraNet geonets/composites, described as cost-effective and environmentally conscious alternatives to aggregate drains. Layfield Group Ltd. has launched HydraNet, a premium line of geonets and geocomposites. HydraNet is constructed from either two strands (biplanar) or three strands (triplanar) of high-density polyethylene (HDPE) extruded into a net-like sheet. Geonets are used to provide channelized flow […]

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MSE retaining wall drainage and pile obstructions

April 5th, 2022

The Reinforced Earth Co. examines the many elements of MSE retaining wall drainage when there are obstructions. Drainage inlet at roadway gutter line. Photograph courtesy of the Reinforced Earth Co. Two common types of obstructions we see behind a retaining wall face are site drainage structures and bridge abutment piles. The presence of—and loading from—these obstructions within […]

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Geosynthetics for stabilization in solar farm development

February 1st, 2022

FIGURE 1 Laying down geotextiles at Chicot Solar Energy Center, Chicot County, Ark. With renewed focus on clean electricity, an era with massive investment in new solar power has begun, leading to its widespread development. Although these systems have become more cost-effective, there are often solutions left on the table that could make the costs […]

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Geosynthetic capping sealing system rehabilitates the Croatian Osojnica landfill

December 16th, 2021

The landfill will become a green hill that blends perfectly into the landscape of the idyllic coastal region. Installation of the geosynthetic capping sealing system inside the gabion wall. Photograph courtesy of Naue GmbH & Co. KG The Croatian municipality of Matulji is an idyllic seaside resort on Kvarner Bay in northwestern Croatia, 8 miles […]

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NAUE geosynthetics secure German road embankment over old mining area

November 2nd, 2021

Photograph courtesy of NAUE The German federal highway B91 between the cities of Deuben and Werschen in Germany is a collector road with access to the A9 motorway. The subsoil risks resulting from past lignite mining activities represent an enormous challenge in the region. Subsidence has occurred regularly. Solution In the area of a bridge […]

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Hawaii geosynthetic highway drainage application

October 26th, 2021

Photograph courtesy of Tiltex Tiltex 7B geosynthetic cementitious composite mat (GCCM) was recently specified by the Hawaiian Department of Transport for a highway roadside drainage upgrade project. Due to its ease of application to existing road infrastructure and hot asphaltic road surfacing to Tiltex 7B, fast application time and 11,603-psi (80-MPa) compressive strength, Tiltex 7B […]

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Geosynthetic load transfer platform for stormwater management system in Malaysia

September 6th, 2021

Installation of Mirafi HP380a over the flat thin soil layer followed by aggregate backfilling. Photograph courtesy of TenCate Geosynthetics Asia Sdn. Bhd. Climate change and human mismanagement of water resources, such as river channels and floodplains, increase flooding and erosion problems. Poor urbanization restricts floodwater flow and eventually leads to destructive flooding. Detention and retention […]

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Long-term HPTRM solutions for climate change resilience

August 26th, 2021

By Kathryn Grant, Marketing Manager, GeoSolutions, Propex Operating Co. LLC The University of Arizona Solar Zone at Tech Park, Tucson, Ariz. Photography courtesy of Propex Operating Co. LLC In August 2021, the Biden administration released more than $3.46 billion to support climate change resilience. The funds, which will be distributed through the Federal Emergency Management Agency (FEMA) […]

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A geotextile filter for an edge drain

August 1st, 2021

Q: I am doing a geotextile filter design for a highway edge drain. All I have from the site is a grain size analysis of the sandy subgrade soil. Can you point me in the right direction? A: First you are going to need to calculate an estimate of hydraulic conductivity for the sandy soil […]

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Industry standard for wall drainage systems?

June 1st, 2021

Q: I just watched your recorded video of mechanically stabilized earth (MSE) wall inspection. Thank you for the presentation; it was very informative. I do have a follow-up question for you. I was recently the site engineer for a precast panel MSE wall and now have the opportunity to inspect construction of the wall that […]

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