exposed geomembrane liners on dams in cold climates john … · 2017-11-11 · slide 1 publino,...
TRANSCRIPT
Slide 1
Publino, Italy, 1989
Exposed Geomembrane Liners
on Dams in Cold Climates
John Wilkes, Carpi
September 20, 2017
Anchorage, AK Latitude 61° N Altitude 102 fasl
Slide 2
U.S.A. Cold Climate Installations
Chronological oldest to newest
Slide 3
Sabrina dam
California, 2006
Altitude – 9,135 fasl
Latitude – 37°
Slide 4
Gem dam
California, 2007
Altitude – 9,053 fasl
Latitude – 37.5°
Slide 5
Upper Blue dam
Colorado, 2007
Altitude – 11,742 fasl
Latitude – 39°
Picture taken in April
Slide 6
Big Tooth dam
Colorado, 2009
Altitude – 9,361 fasl
Latitude – 38.5°
Pike’s Peak in background
Slide 7
Rush Meadows dam
California, 2009
Altitude – 9,417 fasl
Latitude – 37.5°
Slide 8
Hillside dam
California, 2011
Altitude – 9,755 fasl
Latitude - 37°
Picture taken in April
Slide 9
Saddlebag dam
California, 2011
Altitude – 9,653 fasl
Latitude – 37.5°
Picture taken in September during installation
Slide 10
Agnew dam
California, 2012
Altitude – 8,469 fasl
Latitude – 37.5°
Slide 11
Shaver dam
California, 2012
Altitude – 5,369 fasl
Latitude – 37°
Slide 12
Tioga dam
California, 2014
Altitude – 9,653 fasl
Latitude – 37.5°
Slide 13
Worldwide Cold Climate Installations
Chronological oldest to newest
Slide 14
Lago Nero
Italy, 1980 Altitude 6,562 fasl Latitude 46° N
Slide 15
Piano Barbellino
Italy, 1987Altitude 6,145 faslLatitude 46° N
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Cignana
Italy, 1988Altitude7,080 fslLatitude 45° N
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Publino
Italy, 1989Altitude 7,003 fsl Latitude 46° N
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Publino
Italy, 1989Altitude 7,003 fsl Latitude 46° N
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Alpe Gera
Italy , 1993Altitude 6,981 fslLatitude 46° N
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Campo Secco
Italy, 1994Altitude 7,665 fasl Latitude 46° N
Slide 21
La Girotte
France, 1994-1998 Altitude 5,753 fasl Latitude 45° N
Slide 22
Illsee
Switzerland, 1996Altitude 7,611 fslLatitude 46° N
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Fully
Switzerland, 1996Altitude 7,018 fslLatitude 46° N
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Scais
Italy, 1997Altitude 4,905 faslLatitude 46° N
Slide 25
Snow and thick ice formationwithout damage
Moravka
Czech Republic, 1999Altitude 1,699 fasl Latitude 49° N
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Bouillouses 4
France, 2000 Altitude 7,874 faslLatitude 42° N
Slide 27
Winscar
United Kingdom, 2001 Altitude 1,135 faslLatitude 53° N
Slide 28
Exposed PVC geomembraneresists the impact of ice, 7 m thick
Midtbotnvatn
Norway, 2004 Altitude 2,545 fasl Latitude 59.5° N
Slide 29
Ice slides over the geomembrane
Midtbotnvatn
Norway, 2004Altitude 2,545 fasl Latitude 59.5° N
Slide 30
Midtbotnvatn
Norway, 2004Altitude 2,545 fasl Latitude 59.5° N
Slide 31
Butgenbach
Belgium, 2004 Altitude 1,798 faslLatitude 50° N
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Butgenbach
Belgium, 2004 Altitude 1,798 faslLatitude 50° N
Slide 33
Koohrang (Pump storage reservoir)
Iran, 2004Altitude 7,695 fsl Latitude 32° N
Slide 34
Koohrang
Iran, 2004Altitude 7,695 fslLatitude 32° N
Temperature recorded
-38° F
Slide 35
Koohrang
Iran, 2004Altitude 7,695 fslLatitude 32° N
Slide 36
Toulnustouc
Canada, 2004Altitude 1,017 faslLatitude 50° N
Slide 37
Covão Do Ferro
Portugal, 2005 Altitude 5,177 faslLatitude 40° N
Slide 38
Linach
Germany, 2006 Altitude 2,789 faslLatitude 48° N
Slide 39
Karagjol
Bulgaria, 2006Altitude 7,651 faslLatitude 42° N
Slide 40
Taishir
Mongolia, 2007Altitude 5,603 fasl Latitude 46° N
Design Temperature
-67° F
Slide 41
Taishir
Mongolia, 2007Altitude 5,603 fasl Latitude 46° N
Slide 42
Kalin
Bulgaria, 2007Altitude 7,859 faslLatitude 42° N
Slide 43
Pradeaux
France, 2007Altitude 4,154 faslLatitude 45° N
Slide 44
Migoelou
France, 2008Altitude 7,478 fasl Latitude 42° N
Slide 45
ToulesRepair of critical zoneSwitzerland, 2010Altitude 1,810 fslLatitude 45° N
Slide 46
Aubert 1
France, 2010 Altitude 7,055 fsl Latitude 42° N
Slide 47
Silvretta
Austria, 2011Altitude 6,667 faslLatitude 46° N
Slide 48
Mihoesti
Romania, 2011 Altitude 1,906 fasl Latitude 50° N
Slide 49
Pecineagu
Romania, 2012 Altitude 3,665 faslLatitude 46° N
Slide 50
Pecineagu
Romania, 2012 Altitude 3,665 fasl Latitude 46° N
Slide 51
Gnioure
France, 2012-2013Altitude 6,070 faslLatitude 42° N
Slide 52
Camporredondo
Spain, 2015 Altitude 4,238 fasl Latitude 42° N
Slide 53
Elastic behavior of Geomembrane
Slide 54
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Puncture Test
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Slide 62
HDPE geomembrane
is punctured at 15 m
hydrostatic head
Slide 63
PVC geocomposite is not punctured at
100 m hydrostatic head
Slide 64
Burst Test
Slide 65
487
BURST RESISTANCE
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Slide 75
HDPE geomembrane
HDPE geomembrane deforms less, strain is higher
Slide 76
PVC geocomposite is capable to deform, reducing strain and resisting higher water pressure
Slide 77
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