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EWB UK
Josh Macabuag
Dissemination of
Seismic Retrofitting
Techniques to
Rural Communities
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Vulnerability of
Masonry Buildings
Kashmir, Pakistan, 2005:
Damage: XII MMI
Casualties 73,000+
Collapse of Timber
Buildings
Collapse of RC
Buildings
Fire Following
Earthquake
Landslide
Other Causes
Collapse of
Masonry Buildings
Total: 1.4
Million
Fatalities
Breakdown of global
earthquakes fatalities
(1900-1990)
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Internal Reinforcement
• Vertical reinforcement
• Tying key elements
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External Retrofits
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PP-Band Technology
•Polypropylene (PP) strapping
•cheap and readily available
•Prevents brittle collapse and
loss of debris
Images provided by Meguro Lab, Tokyo University
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Nepal
• No engineering input
Rural Kathmandu
> 95% masonry•
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Nepal - Dissemination
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Peru
• Major earthquakes
in 2001 & 2007.
• Rural areas, again,
have no engineering
input.
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External Steel Mesh Reinforcement
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• 360 new houses
• Several public
buildings
Arequipa Reconstruction Programme - 2001
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8 years on…
• Many lessons lost
because not used
often.
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Next Steps?
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Thank you for listening.
Any Questions?