M 8.8 CHILE EARTHQUAKE PORT DAMAGE ASSESSMENT Author Arun Bhimani, SE Liftech Consultants Inc. Contributor Alberto A. Saez Geraldo SyS Ingenieros Consultores 1 of 29 1
February 27, 2010 Earthquake Data Port Facilities and Damage Typical Container Berth Quay Construction Quay and Crane Seismic Design Other facilities 2 of 29 2
Earthquake and Terminal Locations EPICENTER Source: USGS Source: BBC 3 of 29 3
Basic Earthquake Information Saturday, Feb. 27, 2010 Magnitude: Mw8.8 6 th largest recorded Location: Offshore of Maule, Chile Focus 35 km deep Source: USGS 4 of 29 4
Peak Ground Accelerations Valparaiso 0.15g 0.20 g San Antonio 0.15g 0.20 g Epicenter 0.30g Concepcion 0.25g 5 of 29 Source: USGS 5
San Antonio Port 9 Berths - 7 operating as of March 5 6 Gantry cranes Source: Wikipedia 6 of 29 6
STI - San Antonio 3 Berths - 6 gantry cranes 2 Gantry cranes damaged (not from earthquake) Source: Google Earth 7 of 29 7
STI Crane Damage Paceco Sa De Vigasa Crane Photo Courtesy of MIT 8 of 29 8
Crane Boom Damage 9 of 29 9
STI Gantry Trucks Derailed 10 of 29 10
STI Yard Cargo Damage 11 of 29 11
STI Quay & Yard Damage 12 of 29 12
STI Quay & Yard Damage 13 of 29 13
, STI Quay & Yard Damage 14 of 29 14
Puerto Panul Public Terminal 15 of 29 15
San Vicente Terminal 3 Berths - none operating Photo Courtesy of MIT/Berger ABAM Quay Damage 16 of 29 16
San Vicente Terminal - Yard Separation up to 22 cm wide, 2.3 m deep Photos Courtesy of Berger/ABAM 17 of 29 17
TPSV - Valparaíso 8 berths - 6 operating 5 gantry cranes - no damage Source: Google Earth 18 of 29 18
Quay Construction San Antonio and Valparaiso Container Berths Concrete deck Vertical steel piles at 5-6 m longitudinal spacing Moment resistant frame Built after 1985 earthquake 19 of 29 19
Crane Seismic Design 1000k 300k 50 Gage 100 Gage or Larger 3000k 1360k 20 of 29 20
Crane Seismic Design Historical 0.2 g uniform horizontal acceleration Liftech Current Recommendation Elastic tipping Ductile yielding Isolation 21 of 29 21
Elastic Tipping 22 of 29 22
Ductile Yielding A B A B AISC SEISMICALLY COMPACT A-A B-B 23 of 29 23
Seismic Isolation MHI Design Liftech Design ZPMC Model 24 of 29 24
Santiago Airport 25 of 29 25
Kobe 1995 Magnitude 6.9 - PGA = 0.5 g Haiti 2010 Magnitude 7.0 - PGA = 0.25g Source: Liftech Source: Flikr 26 of 29 26
Summary- Major Ports Large magnitude earthquake Quay structures performed well Yard settlement at some terminals Gantry crane damage Minor from earthquake Significant collateral to two cranes 27 of 29 27
This presentation will be available for download on our website: www.liftech.net Additional information is available in our blog: www.liftech.net/blog Thank You 28 of 29 28
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. The information included in this presentation may not be altered, copied, or used for any other project without written authorization from Liftech Consultants Inc. Anyone making use of the information assumes all liability arising from such use. Quality Assurance Review: Author: Arun Bhimani Editor: Teresa Ferguson 29 of 29 29