Base stabilization at Port of Invergordon, U.K.

January 18, 2021  |  Case Studies

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

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  |  Case Studies

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  |  Case Studies

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

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…
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CCR landfill final cover test pad—Part 2

October 1, 2020  |  Case Studies, Feature

By Nina J. Balsamo, John Massey-Norton, John R. Klamut, Terry Queen,Charles F. Straley and Mark R. Lehner An integrated drainage system (IDS) geomembrane, which provides both a low-permeability membrane and drainage space above the geomembrane, is being used in the final cover at a coal combustion r…
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Reinforced embankments for the causeway for a North Wales bridge project

October 1, 2020  |  Case Studies, Feature

By Patricia Guerra-Escobar  The Pont Briwet Project in Penrhyndeudraeth, North Wales, U.K., consisted of the replacement of a historic timber trestle bridge with a new 446-foot (136-m) long concrete viaduct and the upgrade of the approach road to the north and south of the crossing (Figure 1). …