Protecting groundwater with geomembranes in Swedish highway expansion

January 18, 2022  |  Case Studies, News

The E4 highway in Sweden meanders 346 miles (557 km) between Helsingborg and Stockholm. It is one of the country’s most important traffic and transport routes. Trafikverket (Swedish Transport Administration) sought to upgrade an 18.6-mile (30-km) stretch of this highway at Ljungby, 267 miles (429 …
Geocells stabilize steep Virginia stone cart path

January 7, 2022  |  Case Studies, News

Lake Anna, near Belmont, Va., 70 miles (113 km) south of Washington, D.C., is one of the largest freshwater inland reservoirs in the state. The lake covers 13,000 acres (5,300 ha), making it a popular destination for sailing, waterskiing and sportfishing. Waterfront homes enjoy spectacular views and…
Pavement base reinforcement with geocells and geotextiles at a railway distribution facility

December 29, 2021  |  Case Studies, News

In 2018, BNSF Orillia Railway began making extensive upgrades to its automotive distribution facility in Renton, Wash. The upgrades were required to support the increased demand for new automobiles. As new-car sales soared, so did the demand for rail capacity for vehicle shipments arriving from over…
Slope stability with geocells at a New Zealand playground

December 27, 2021  |  Case Studies, News

Aronia Park is a colorful new playground in South Auckland, New Zealand, that includes two multihued slides. The challenge arose with the specified topsoil thickness for the steep slope beneath the slides. There was a risk of the slope soil sliding off and requiring costly repair. Greenscene, the co…
Forty-year-old Texas Reinforced Earth dam gets artistic facelift

December 22, 2021  |  Case Studies, News

Woodhollow Dam in Austin, Texas, was built between April and December of 1979 to control flash flooding in an Austin, Texas, neighborhood. This first dam constructed of Reinforced Earth MSE Retaining Walls in the United States created a buzz in the community and even had a visit from the invent…
Geosynthetic capping sealing system rehabilitates the Croatian Osojnica landfill

December 16, 2021  |  Case Studies, News

The landfill will become a green hill that blends perfectly into the landscape of the idyllic coastal region. The Croatian municipality of Matulji is an idyllic seaside resort on Kvarner Bay in northwestern Croatia, 8 miles (13 km) northwest of Rijeka. The Osojnica landfill is another 3 miles (5 km)…
Geocomposite lines Anchorage Regional Landfill expansion project

December 13, 2021  |  Case Studies, News

In 2020, the Solid Waste Services department (SWS) of Anchorage, Alaska, expanded the Anchorage Regional Landfill’s capacity by adding a new cell 9 and tying it to several existing cells in close proximity. Alaska Aggregate Products LLC (AAP) was awarded the geosynthetics and piping contract, and …
Propex stabilizes the Des Moines River’s bank with geosynthetics systems

November 18, 2021  |  Case Studies, News

The West Fork of the Des Moines River in Palo Alto County, Iowa, had experienced years of erosion and flooding. From 2006 to 2019, the riverbank had receded up to 215 feet (65.5 m) in the middle of the bend. Approximately 3 acres (1.2 ha) of soil had been lost during that time span, and … <di…
Caltrans bets on Tensar geosynthetic-reinforced chip seal for pavement

November 4, 2021  |  Case Studies

by Dennis Rogers, Pavement Maintenance Regional Manager: California, Tensar Corp. Serving as the district maintenance engineer for Caltrans’ District 9 (Bishop) for more than 22 years, John Fox has overseen thousands of miles of pavement-preservation treatments, including polymer-modified, gap-gra…
NAUE geosynthetics secure German road embankment over old mining area

November 2, 2021  |  Case Studies

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 ar…