Geocells Excel in Track Ballast Research Study

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Oregon State University’s Dr. Ben Leshchinsky, P.E. and the University of Kansas’s Dr. Jin Han, P.E. recently combined their wealth of geosynthetics knowledge in a track ballast research study. Specifically, they evaluated the performance of a high-density polyethylene geocellular system (HDPE GEOWEB® from Presto Geosystems) in a railway base stabilization system. The rigorous track testing quanti... »

Jie Han to Lead Geosynthetics Lecture Series in Australia and NZ

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Annually, Geofabrics Australasia brings a top-tier geosynthetics lecture series to Australia and New Zealand. This year’s series, which will be held on multiple dates in September, will be led by internationally renowned, independent expert Dr. Jie Han. His topic will be “Understanding and Harnessing the Stabilisation Effect of Geogrids in Pavement Designs.” DOWNLOAD THE SEMINAR ... »

On-Demand: A Trilogy of Giroud and Han Reinforcement Presentations

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The geotechnical engineering professional development website Geo-U (www.geo-u.com) has added two presentations from Drs. JP Giroud and Jie Han to its roster of high-quality, on-demand education. A third presentation will be added shortly to complete a trilogy of reinforcement offerings, each of which is worth 1.5 PDHs following successful completion of post-presentation tests. The new presentatio... »

INTERVIEW: Lighter, Stronger, More Sustainable Construction Mats

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Weak soils are common problems for access to oil and gas sites, wind warms, and staging areas for construction sites. In this interview with Geosynthetica’s Elizabeth Peggs, Presto Geosystems’ Bill Handlos, The Boldt Company’s Nick Mueller, and University of Kansas Professor Jie Han discuss the sustainability, durability, and performance of the new GEOTERRA® GTO construction mats. Presto’s GEOTERR... »