Berm is working on the railroad

April 1st, 2006

Geosynthetic solution offers both separation and reinforcement for this Canadian rail project. Canadian Pacific Railway (CPR) is renowned for building rail lines through some of North America’s toughest terrain. Just west of Kenora, Ontario, near the Manitoba/Ontario border, the main CPR track crosses the Telford Marsh, an area of weak organic soil. A 250 m […]

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Eight ways to achieve improved retaining-wall performance

April 1st, 2006

A refresher course for SRW success. By Michael R. Simac Segmental Retaining Wall (SRW) performance can be improved greatly by implementing good construction techniques. Since SRW construction started some 20 years ago, a number of good guidelines have proven to be at the core of a properly executed project. This article highlights those techniques and […]

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On the grow: Assessing the U.S. green roof market

April 1st, 2006

Multiple benefits, new technologies are building up green roofs. By Sonja Hegman Green roofs are gaining in popularity as more people acquire knowledge on the subject. Awareness of green roofs as an eco-friendly concept is also being nurtured in the design and architectural communities. And building owners are not as dismissive of green roofs as […]

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A garden grows on a Minneapolis rooftop

April 1st, 2006

Architects, designers, and new geosynthetics build a high-rise green space. By Mason Riddle There is mesh and then there is mesh. For a downtown Minneapolis 10-story penthouse, the proper mesh was critical to the installation and maintenance of a rooftop garden and terrace, which, like the owner’s living quarters, affords impossibly spectacular views of both […]

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Construction Quality Assurance and Inspectors Certification Program (CQA-ICP)

April 1st, 2006

By George R. Koerner and Robert M. Koerner GRI White Paper #8January 31, 2006 1.0 Definition of CQA (as opposed to CQC) Construction quality assurance (CQA) and construction quality control (CQC) are widely recognized as critically important factors in overall quality management for waste containment facilities of all types. This includes geosynthetic materials as well […]

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Geotube questions

April 1st, 2006

From the GMA Techline Subject: GeotubeI refer to the article “Saving Yucatan’s Coast” published in the September 2005 issue of GFR (now Geosynthetics), pages 34-39. Can you please let me know the following: What mathematical calculation was used to derive the appropriate ground level? What was the length of each tube and the filling port […]

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