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FIELD TESTING LARGE SAND-FILLED GEOTEXTILE CONTAINERS USED AS A TEMPORARY FLOOD PROTECTION SYSTEM
Session: Barriers and Geosynthetics / Barrières et géosynthétiques
Steven Harms, University of Manitoba (Canada)
James Blatz, University of Manitoba (Canada)
Shawn Clark, University of Manitoba (Canada)
The effectiveness of temporary flood protection is highly variable depending on the location, application, and the nature of flood events. This paper evaluates sand-filled interconnected geotextile containers used as flood protection products within a framework of standardized tests. Two single-layer configurations and two stacked configurations were tested under a variety of flood conditions while seepage rates and product displacements were measured during each test. Researchers implemented a modified version of the US Army Corps of Engineers Standardized Testing Protocol for the Evaluation of Expedient Floodfight structures at an outdoor test facility constructed at the University of Manitoba. Each product configuration was evaluated under hydrostatic loading, wave-induced hydrodynamic loading, overtopping and debris impact conditions. This allowed for informed decisions to be made regarding appropriate applications for each temporary flood protection product configuration, and identifies areas for product improvement and development.
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