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Erosion control materials
January 1st, 1970
These products are designed to help solve erosion- and sediment-control problems and to provide long-term stabilization by establishing and maintaining vegetative cover. Erosion-control products give engineers ready solutions for one of the fastest-growing design niches. Many of these products work with vegetation to form a biocomposite solution to erosion. The charts in this section are […]
Geosynthetics in the Greater Grand Forks Greenway
January 1st, 1970
By Adam Regn Arvidson The turf reinforcement mat (TRM) in the Red River Greenway project is Enkamat, manufactured by Colbond, a Dutch company with production facilities in Europe and the U.S. The 3-dimensional nondegradable matting is made of continuous nylon or polypropylene filaments fused at their intersections, with 95% of the matting open. The 3-D […]
Strength without density: Geofoam at work on the CAS green roof
January 1st, 1970
An innovative redesign transforms the California Academy of Sciences. By Shelby Gonzalez Introduction The California Academy of Sciences (CAS) in San Francisco has completed a transformation. Its innovative redesign has already gained international recognition as a cultural icon. Under one “living roof,” the new Academy contains a planetarium, an aquarium, and a natural history museum. […]
First artificial surf reef in Europe
January 1st, 1970
Work is nearly completed in the building of Europe’s first artificial surf reef near Dorset in southwest England. The project, estimated at £2.7 million (ca. $5.4 million U.S.), is designed to double the size of the waves at Boscombe, Bournemouth, to 4m (13ft) as well as greatly increase the number of good surfing days. Kerry […]
Geotextiles in unpaved roads: A 35-year case history
January 1st, 1970
By William M. Hawkins Abstract This article presents current information on geotextiles installed experimentally in an unpaved road 35 years ago. In 1972, geotextiles were largely untested, and the site was set up as an accelerated field test to determine the comparative performances of several fabrics for use as a geotextile. But because the site […]
Crew faces many challenges in completing Newry-to-Dundalk roadway
January 1st, 1970
By Ron Bygness The A1/N1 Newry-to-Dundalk link road is a cross-border, design-and-build route that runs between the Cloghoge roundabout, south of Newry, Northern Ireland, and the Ballymascanlon interchange, north of Dundalk, Republic of Ireland. The new road forms part of the main Dublin–Belfast corridor and is the largest cross-border roads project to date. This major […]
History of the county engineer in Ohio
January 1st, 1970
The only elected CEs in the country Editor's note: At the 2007 meeting of the ASCE GeoInstitute in Denver, Warren Schlatter of Defiance County, Ohio, began his presentation on the county’s GRS bridge building plan by saying: “I like my job [as county engineer] and I’d like to keep doing it for a while. The […]
History of the Kam Kotia Mine
January 1st, 1970
By Bruno Herlin, P.Eng. Introduction The former Kam Kotia Mine was in operation for several decades, rendering copper, zinc, and secondary silver and gold. The site is located in northeastern Ontario, within Robb Township, northwest of the city of Timmins. This abandoned site had approximately 6 million metric tonnes (MT) of unmanaged acid-generating tailings covering […]
GRI-21 Conference
January 1st, 1970
Geosynthetics in Agriculture and Aquaculture, Wednesday, March 5, 2008 Morning Session (10 a.m.–12 p.m.): Geosynthetics in Agriculture (George Koerner, moderator) Geosynthetic Use to Facilitate a Double Fruit Harvest inTaiwan—Wayne Hsieh of NPUST Geosynthetic Capillary Barrier for Increased Water Storage—John Allen of TRI/Environmental and John McCartney of the University of Arkansas Agriculture Bags and Bio-Digesters—George Koerner […]
The “disappearing” island of Sylt
January 1st, 1970
Located 20km (13 miles) west of the German/Danish border lies the island of Sylt. The long, narrow island (pronounced Zoolt) is the northernmost point of Germany. Sylt lies in the North Sea off the coasts of Denmark and the German state Schleswig-Holstein. It is the largest island of the Frisian archipelago, which stretches through the […]