So what were the effects from wind?
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Transcript of So what were the effects from wind?
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
So what were the effects from So what were the effects from wind?wind?Some structural damage, mostly to overhangs Some structural damage, mostly to overhangs and roofsand roofs
Not much evidence of wind borne debris Not much evidence of wind borne debris penetrating the building envelopepenetrating the building envelope
Lots of damage to building envelopes – roof, Lots of damage to building envelopes – roof, siding, soffits particularlysiding, soffits particularly
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
South LA…successSouth LA…success
Wind damage: primarily building envelope
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Pass Christian, MS (new home)…Pass Christian, MS (new home)…survivorsurvivor
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
New Orleans –New Orleans –light damage tolight damage toglazing, butglazing, butto manyto manybuildingsbuildings
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Ocean Springs, MS…light damageOcean Springs, MS…light damage
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Gulfport bank building…moderate Gulfport bank building…moderate damagedamage
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Gulfport, MS…moderate damageGulfport, MS…moderate damage
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Long Beach, MS…severe damageLong Beach, MS…severe damage
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Gulfport (PEMB)…severe damageGulfport (PEMB)…severe damage
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
LA (support column failed…partial LA (support column failed…partial destruction)destruction)
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Slidell, LA…total destructionSlidell, LA…total destruction
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
ASCE Levee Study MapASCE Levee Study Map
Overtopping occurred first
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Water overtopping leveeWater overtopping levee
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Levee Flooding – London Ave CanalLevee Flooding – London Ave Canal
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Levee design issues – Levee design issues – breached or overtopped?breached or overtopped?
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Floodwall failureFloodwall failure
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Damage behind the leveesDamage behind the levees
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
““Post-Flood Actions Affect Post-Flood Actions Affect Mold Growth” Mold Growth” New OrleansNew Orleans
House opened and aired out quickly with low mold growth
House closed and not aired out quickly with extensive mold growth
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
What can we do?What can we do?
Build higher, stronger, saferBuild higher, stronger, safer
Adopt strong building codesAdopt strong building codes
Provide sound recovery information like new Provide sound recovery information like new flood maps and reconstruction guidanceflood maps and reconstruction guidance
Critical facilities must be better builtCritical facilities must be better built
Educate – citizens must accept some level of Educate – citizens must accept some level of risk if they want to live in a hazardous area risk if they want to live in a hazardous area (which a hurricane region is)(which a hurricane region is)
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
We’ve got to build them better ….We’ve got to build them better ….
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
D’Iberville, MSD’Iberville, MS
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Biloxi, MSBiloxi, MS
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Long Beach, MSLong Beach, MS
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Performance Standards for WindPerformance Standards for Wind
No structural failureNo structural failure
Load paths remain connected through to the Load paths remain connected through to the foundationfoundation
Minor building envelope covering lossMinor building envelope covering loss
Building access is easily repaired Building access is easily repaired
Able to re-occupy the building immediately Able to re-occupy the building immediately after utilities are restoredafter utilities are restored
Critical facilities can be occupied safely Critical facilities can be occupied safely during eventduring event
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Performance Standards for FloodPerformance Standards for Flood
Flood damage can be cleaned upFlood damage can be cleaned up
After drying out, building can be re-occupiedAfter drying out, building can be re-occupied
Repairs might consist of drywall, insulation Repairs might consist of drywall, insulation and wood trim replacementand wood trim replacement
Structure is still standing on it’s own Structure is still standing on it’s own foundation foundation
Structural Engineers Association of Illinois – April 4, 2006Structural Engineers Association of Illinois – April 4, 2006
Post-KatrinaPost-KatrinaLA adopted state-wide building code (IBC)LA adopted state-wide building code (IBC)
Several MS communities previously without Several MS communities previously without codes have adopted IBC/IRCcodes have adopted IBC/IRC
Several communities have either adopted Several communities have either adopted flood recovery maps or added freeboard flood recovery maps or added freeboard (additional height) so rebuilding can begin(additional height) so rebuilding can begin
Lots of confusion about how to regulate all Lots of confusion about how to regulate all the changes in building standards (use of the changes in building standards (use of IBC/ASCE 7)IBC/ASCE 7)
Land values escalating rapidlyLand values escalating rapidly