MSE Wall Failures vis-à-vis the Lack of Geotechnical Filters

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By Dr. Robert M. Koerner – Since 2001, the Geosynthetic Institute has accumulated data on failures of geosynthetic-reinforced mechanically stabilized earth (MSE) retaining walls. Our MSE wall failures database presently has 301 cases, of which 191 (63%) have been caused in whole or part by water within, or adjacent to, the reinforced soil zone. We sincerely hope that our past writings and webinars... »

A Primer on Soil and Geotextile Filter Design for MSE Walls

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Drs. Robert and George Koerner of the Geosynthetic Institute (GSI) are no strangers to tackling challenging topics—subjects which are either difficult to motivate discussion on (e.g., failures) or difficult to document (e.g., developing and monitoring long-term studies). One of the information-sharing vehicles they’ve utilized over the years to keep information flowing has been to release influent... »

Daniele Cazzuffi to Deliver Inaugural LMNS Lecture

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The International Geosynthetics Society (IGS) has created a new lecture series. The LMNS Lecture honors four of the organizers of the 1st International Conference on Geosynthetics (1 ICG): E. Leflaive (Chairman, France), A. McGown (United Kingdom), J. Nieuwenhuis (Netherlands) and M. Sotton (France). Daniele Cazzuffi has been invited to deliver the inaugural LMNS Lecture at EuroGeo 6 in Istanbul (... »

Drainage and Filtration Engineering at GeoAmericas 2016

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One of the most common needs in infrastructure is proper drainage and filtration engineering. These solutions consolidate soils to accelerate construction windows. They channel liquids into proper retention or detention areas. They guard against soil less and protect waterways. Drainage and filtration engineering impacts landfills, roads, stormwater systems, dams, levees, and many other infrastruc... »

Subsurface Drainage Design Software Assists Road Designs

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Geofabrics Australasia has developed a web-based road design app focused on drainage performance and cost calculation. Subsurface Drainage Design Software (SuDDS) produces net cost and design comparative reports based upon user-entered project/design data. The program summarizes the notable calculations and can include CAD files of drainage profiles. Videos on the advantages and functionality of t... »