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FGI Webinar: Stress Based Flow Failure Assessment for Dams and Embankments with Examples

Event Type
Professional Development
Sponsor
Fabricated Geomembrane Institute
Virtual
wifi event
Date
Dec 12, 2024   12:00 - 1:00 pm  
Contact
Jennifer Miller
E-Mail
jkmiller@illinois.edu
Phone
217-333-3929
Views
11
Originating Calendar
CEE Seminars and Conferences

This presentation will discuss a procedure to assess whether a liquefied strength or liquefied strength ratio should be applied to a zone(s) along a potential failure surface in a static or dynamic stability analysis to assess the flow failure potential of dams and embankments. The procedure consists of the following five main steps: (1) assess static liquefaction potential of segments along failure surface, (2) assess seismic liquefaction potential of these segments; (3) if liquefaction is not triggered, assess the magnitude of shear-induced pore-water pressures in each segment; (4) assign a liquefied strength to zone(s) that experience liquefaction or significant pore-water pressure generation; and (5) conduct  a post-triggering stability analysis to assess flow failure potential. This procedure will be illustrated using examples.1.0 PDH

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