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Oregon State University research reveals railroad ballast performance improvement using GEOWEB geocells
January 25th, 2022
By Katie Bocskor, Manager, Marketing, Presto Geosystems Oregon State University (OSU) recently performed state-of-the-art, three-dimensional dynamic finite element modeling to analyze the reinforcing benefit of Presto Geosystems’ GEOWEB geocells in railway ballast applications. Completed in cooperation with the University of Kansas (KU), which simultaneously put in motion a testing program of geocell-reinforced ballast placed over weak […]
IGS-NA focuses on the Geosynthetics Conference 2019, service award and webinars
August 1st, 2018
In this edition of the IGS-NA News column, the board of directors gives a special thank-you to John Allen for putting together a strong list of speakers for our educational webinars this year. IGS-NA supports Geosynthetics Conference 2019 The North American Chapter of the International Geosynthetics Society (IGS-NA) supports the next edition of the long-running […]
Presto releases geocell ballast research
June 1st, 2018
Presto Geosystems, manufacturer of the high-density polyurethane (HDPE) GEOWEB® geocell base stabilization system, has released results from railroad-track research performed to quantify the reinforcement benefit of GEOWEB-confined ballast as compared to unconfined ballast. The company said the research was a cooperative effort under the direction of Ben Leshchinsky, Ph.D., P.E., of Oregon State University, and […]
Presto releases GEOWEB ballast research
February 24th, 2018
On Feb. 21, 2018, Presto Geosystems, manufacturer of the HDPE GEOWEB® base stabilization system, released results from rigorous railroad-track research performed to quantify the reinforcement benefit of GEOWEB-confined ballast as compared to unconfined ballast. The company said the research was a cooperative effort under the direction of Ben Leshchinsky, Ph.D., P.E., of Oregon State University, […]
History of geosynthetics use on national forest roads
June 1st, 2017
Introduction The objectives of this article are to document the long history of geosynthetic materials used in the U.S. Department of Agriculture (USDA) Forest Service and other rural roads, to document the many creative and useful ways geosynthetics have been used, and to promote the cost-effective uses of geosynthetics in road projects today, particularly on […]
Part 2: New design models for MSE walls and slopes
June 1st, 2017
Introduction The design of many geotechnical structures is based on limit-state conditions. For example, in designing gravity walls, the load exerted by the retained soil on the wall is based on an assumed active state of stresses. That is, the wall moves sufficiently outward, enabling the retained soil to mobilize its shear strength along a […]