Geotextiles in Embankment Dams By - Association of State Dam ...

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How Is It Accomplished?• Many use a 2-layer geotextile• Meet permeability criteria• Meet clogging criteria, 1” gravel• Filtration testing with site soils• Design for loading• Strict QC/QA during construction
Advocates View:• Geotextiles filters cost less than processed granularfilters• Geotextile filters are lightweight, easy to transport tothe work site.• Installation is simple.• Inspection of subgrade, deployment, seaming, andcovering can be performed visually.• Geotextile filters will act as crack stoppers becausethey have tensile strength and will span across anopen crack• Multi-layer products provide required survivability.
Page 1 and 2: Geotextiles in EmbankmentDamsBy: Mi
Page 3 and 4: Original study for FEMA publishedas
Page 5 and 6: Policy:It is the policy of the Nati
Page 7 and 8: Woven Geotextiles• Monofilament
Page 9 and 10: NonWoven Heat Set Geotextiles• Fi
Page 11 and 12: Geocomposites• Geotextile bonded
Page 13 and 14: Geotextile Functions in Embankment
Page 15 and 16: Controversial Embankment Applicatio
Page 17 and 18: Major IssueShould geotextiles be us
Page 19: Valcros Dam, France - 1970 17 m Sti
Page 24 and 25: Traditional View:• Geotextiles ar
Page 26 and 27: Red Willow Dam Repair BOR 2012• G
Page 28: Discussion

Geotextiles in Embankment Dams By - Association of State Dam ...

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