m 8.8 chile earthquake port damage assessment · arun bhimani, se liftech consultants inc. m 8.8...
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March 14, 2010
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AuthorArun Bhimani, SE
Liftech Consultants Inc.
M 8.8 CHILE EARTHQUAKE PORT DAMAGE ASSESSMENT
ContributorAlberto A. Saez Geraldo
SyS Ingenieros Consultores
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February 27, 2010 Earthquake DataPort Facilities and Damage Typical Container Berth Quay ConstructionQuay and Crane Seismic DesignOther facilities
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Earthquake and Terminal Locations
EPICENTER
Source: USGS Source: BBC
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Basic Earthquake InformationSaturday, Feb. 27, 2010
Magnitude: Mw8.8 6th largest recorded
Location:Offshore of Maule, ChileFocus 35 km deep
Source: USGS
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Peak Ground Accelerations
Valparaiso 0.15g – 0.20 gSan Antonio 0.15g – 0.20 gEpicenter 0.30g Concepcion 0.25g
Source: USGS
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San Antonio Port
9 Berths - 7 operating as of March 56 Gantry cranes
Source: Wikipedia
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STI - San Antonio3 Berths - 6 gantry cranes2 Gantry cranes damaged
(not from earthquake)
Source: Google Earth
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STI Crane Damage
Photo Courtesy of MIT
Paceco Sa De Vigasa Crane
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Crane Boom Damage
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STIGantry Trucks Derailed
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STIYard Cargo Damage
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STI Quay & Yard Damage
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STI Quay & Yard Damage
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STI Quay & Yard Damage
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Puerto Panul Public Terminal
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San Vicente Terminal
Photo Courtesy of MIT/Berger ABAM
3 Berths - none operating
Quay Damage
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San Vicente Terminal - Yard
Photos Courtesy of Berger/ABAM
Separation – up to 22 cm wide, 2.3 m deep
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TPSV - Valparaíso8 berths - 6 operating 5 gantry cranes - no damage
Source: Google Earth
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Quay ConstructionSan Antonio and Valparaiso Container Berths
Concrete deck
Vertical steel piles at 5 - 6 m longitudinal spacing
Moment resistant frame
Built after 1985 earthquake
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Crane Seismic Design
50’ Gage 100’ Gage or Larger1000k
3000k
300k1360k
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Crane Seismic DesignHistorical
0.2 g uniform horizontal acceleration
Liftech Current RecommendationElastic tippingDuctile yieldingIsolation
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Elastic Tipping
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Ductile YieldingB
B
A
A
AISC SEISMICALLY
COMPACTA-A
B-B
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Seismic Isolation
Liftech Design
MHI Design
ZPMC Model
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SantiagoAirport
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Haiti 2010 Magnitude 7.0 - PGA = 0.25gKobe 1995 Magnitude 6.9 - PGA = 0.5 g
Source:Flikr
Source: Liftech
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Summary- Major PortsLarge magnitude earthquake
Quay structures performed well
Yard settlement at some terminals
Gantry crane damage
Minor from earthquake Significant collateral to two cranes
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Thank You
This presentation will be available for download on our website:www.liftech.net
Additional information is available in our blog:www.liftech.net/blog
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Quality Assurance Review:
Author: Arun Bhimani
Editor: Teresa Ferguson
Liftech Consultants Inc. file data:N:\Papers & Presentations\!Working\2010_TOC_Asia_AB\ChileEarthquake\TOC_ChileEarthquake_01_djl.ppt
Copyright 2010 by Liftech Consultants Inc. All rights reserved.
This material may not be duplicated without the written consent of Liftech Consultants Inc., except in the form of excerpts or quotations for the purposes of review.
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March 14, 2010