In and Out Air Strategies. From Climate Change to Microclimate. - - PowerPoint PPT Presentation

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In and Out Air Strategies. From Climate Change to Microclimate. - - PowerPoint PPT Presentation

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In and Out Air Strategies. From Climate Change to Microclimate. Library, Archives and Museum Preservation Issues 5-6 March 2009 Bibliothque nationale de France http://www.ifla.org/VI/4/pac.htm In and Out Air Strategies. From

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“In and Out Air Strategies. From Climate Change to Microclimate. Library, Archives and Museum Preservation Issues”

5-6 March 2009 Bibliothèque nationale de France http://www.ifla.org/VI/4/pac.htm

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“In and Out Air Strategies. From Climate Change to Microclimate. Library, Archives and Museum Preservation Issues” International Conference Bibliothèque nationale de France 5-6 March 2009

WIND RESISTANCE STRATEGIES FOR CULTURAL HERITAGE BUILDINGS IN THE AFTERMATH OF HURRICANE KATRINA

Elizabeth C. English, PhD

Associate Professor University of Waterloo School of Architecture

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HURRICANE KATRINA

Wind damage to shop structure near Long Beach MS

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HURRICANE KATRINA

Wind-damaged apartments near West Jefferson Hospital – classic gable end failure

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HURRICANE KATRINA

Gable end failure causes loss of roof due to increased internal pressure

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HURRICANE KATRINA

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DEBRIS TYPES

sheet rod compact

  • bject
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COMPACT OBJECT UNDER THE ACTION OF WIND, GRAVITY AND AIR RESISTANCE

Compact object falls until it impacts the ground or a building

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COMPACT OBJECT UNDER THE ACTION OF WIND, GRAVITY AND AIR RESISTANCE

Compact object falls until it impacts the ground or a building

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COMPACT OBJECT UNDER THE ACTION OF WIND, GRAVITY AND AIR RESISTANCE

Compact object falls until it impacts the ground or a building

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Compact object falls until it impacts the ground or a building

COMPACT OBJECT UNDER THE ACTION OF WIND, GRAVITY AND AIR RESISTANCE

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Compact object falls until it impacts the ground or a building

COMPACT OBJECT UNDER THE ACTION OF WIND, GRAVITY AND AIR RESISTANCE

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WIND-BORNE DEBRIS: ROD-TYPE OBJECT

2 by 4s and rod-type objects have complicated rolling and tumbling motions

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WIND-BORNE DEBRIS: ROD-TYPE OBJECT

2 by 4s and rod-type objects have complicated rolling and tumbling motions

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WIND-BORNE DEBRIS: ROD-TYPE OBJECT

2 by 4s and rod-type objects have complicated rolling and tumbling motions

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WIND-BORNE DEBRIS: ROD-TYPE OBJECT

2 by 4s and rod-type objects have complicated rolling and tumbling motions

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WIND-BORNE DEBRIS: ROD-TYPE OBJECT

2 by 4s and rod-type objects have complicated rolling and tumbling motions

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WIND-BORNE DEBRIS DAMAGE

Wind-borne debris causes damage to windows, followed by failure of roof

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Penetration of wall by flying debris

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HURRICANE KATRINA

Aerial view showing proximities of debris source buildings and damaged buildings

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HURRICANE KATRINA

Flyover view of Hyatt with 1250 Poydras in foreground

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HURRICANE KATRINA

North façade of Hyatt from 1250 Poydras

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HURRICANE KATRINA

Damage to rooms on north face of 27th floor

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HURRICANE KATRINA

Scoured gravel on Amoco roof, a source of debris causing damage to Hyatt

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HURRICANE KATRINA

Ballasted single-ply roof - Source of debris causing damage to Amoco and Dominion Bank

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HURRICANE KATRINA

Debris damage to 1250 Poydras, viewed through broken window. Building had 900 broken panes, 200 of which were complete penetrations (both layers of glass were broken)

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HURRICANE KATRINA

Typical window damage to 1250 Poydras due to wind-borne gravel

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Documenting gravel debris

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HURRICANE KATRINA

Gravel in the gap between broken outer pane and intact inner pane

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HURRICANE KATRINA

Gravel on sidewalk at base of Amoco

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HURRICANE KATRINA

Texaco Building, single-ply ballasted roof, debris source

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HURRICANE KATRINA

2x4 penetrating cooling tower screen

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Protection from wind-borne debris Metal screens

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Rolldown perforated metal screen Protection from wind-borne debris

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Tree Damage

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Hurricane Katrina

Aug 29, 2005

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Hurricane Katrina

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Peak Gust Wind Speeds

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LiDAR Mosaic

DeWitt Braud and Rob Cunningham

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10 M SPOT Satellite Image: 2 Sept 2005

DeWitt Braud and Rob Cunningham

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10 M SPOT Satellite Image: 2 Sept 2005 With Water depth overlays

DeWitt Braud and Rob Cunningham

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Aerial photograph of New Orleans after Hurricane Katrina

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THANK YOU

english@hurricane.lsu.edu www.buoyantfoundation.org