Stabilizing Oyster Lake’s outfall

February 1, 2021  |  Case Studies, Erosion Control

Preserving a unique ecosystem with an environmentally friendly solution By Drew Loizeaux Coastal dune lakes are freshwater lakes located within 2 miles (3.2 km) of an ocean coastline. These rare ecosystems are only found in a handful of locations around the globe, including Madagascar, New Zealand, …
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Bituminous geomembranes (BGM) for ponds in mining

February 1, 2021  |  Case Studies, Feature

By Natalie Daly and Bernard Breul  Bitumen has emerged as a standard 20th-century waterproofing material in civil and water engineering in the form of bituminous concrete, asphalt and bituminous geomembranes. The first applications of bituminous geomembranes (BGM) were in France in 1975 near Gr…
Base stabilization at Port of Invergordon, U.K.

January 18, 2021  |  Case Studies, Reinforcement

A new 365,973-square-foot (34,000-m2) container area was required in the Port of Invergordon, U.K. The area was constructed as an unbound pavement with a crushed gravel surface. Presto GeoSystems GEOWEB geocells presented an excellent solution to minimize the overall cross-section depth through its …
Presto GEOWEB slope protection with ATRA Tendon Clips

December 15, 2020  |  Case Studies, Erosion Control

In North Yorkshire, U.K., 20 months of work has been completed by Balfour Beatty on a $21 million (£16 million) scheme to stabilize the cliff between Scarborough Spa and the Esplanade on Scarborough’s South Cliff. The South Cliff Slope Stabilization Scheme involved piling along the rear of the sp…
Lake Francis Dam maintenance with GCCM

December 11, 2020  |  Case Studies

By Kurt Chirbas The Yuba Water Agency in Yuba County, Calif., was established in 1959 to reduce flood risk and provide a sustainable water supply to the people of the region. Yuba County has historically endured devastating floods, due in part to Gold Rush-era hydraulic mining practices that washed …
Modest declines expected in 2021 transportation construction market, according to ARTBA

December 11, 2020  |  Transportation

The U.S. transportation construction market is expected to shrink 5.5 percent next year, driven primarily by the severe economic recession caused by the coronavirus pandemic, according to the American Road and Transportation Builders Association’s (ARTBA’s) annual forecast. Overall, the value of…
TRB webinar: Celebrating TRB’s centennial by exploring the future of transportation research

November 3, 2020  |  Events, Transportation

What is the future of transportation research and what is TRB’s role in that future? Learn from our panel of experts about how the scale and scope of TRB’s activities expanded steadily over the last 100 years, and what we might expect in the transportation field during the next 100 years. Join u…
Publishing opportunity: Geosynthetics experts invited to send case studies

November 2, 2020  |  Case Studies, News

Geosynthetics magazine is encouraging industry experts to submit innovative case studies and other news for publication consideration. Geosynthetics delivers technical information for engineers, specifiers, landscape architects, government agencies, academics and installers. This publishing opportun…
Ground improvements using geofoam: A case history

October 14, 2020  |  Case Studies, Reinforcement

By Javaid M. Alvi, Ph.D., and Jahangir J. Kabir, Ph.D., P.E The project site is a triangular-shaped property located at the intersection of Raleigh Avenue and West Liberty Avenue in the Borough of Dormont, Allegheny County, Pa. (Figure 1). The site housed two Nissan buildings, one with a showroom at…
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A geosynthetic wrap-face vegetated wall system

October 1, 2020  |  Case Studies, Feature

For highway embankment construction  By Stanley M. Miller and Drew Loizeaux A recent creek enhancement project to facilitate the passage of bull trout in Pend Oreille County of northeastern Washington state required removal of a 6-foot (1.8-m) diameter concrete culvert (Figure 1), realignment o…