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The Mw 6.3 Christchurch, New Zealand Earthquake of 22 February 2011
THE MW 6.3 CHRISTCHURCH, NEW ZEALAND EARTHQUAKE OF 22 FEBRUARY 2011 A FIELD REPORT BY EEFIT THE CHRISTCHURCH, NEW ZEALAND EARTHQUAKE OF 22 FEBRUARY 2011 A FIELD REPORT BY EEFIT Sean Wilkinson Matthew Free Damian Grant David Boon Sarah Paganoni Anna Mason Elizabeth Williams Stuart Fraser Jenny Haskell Earthquake Field Investigation Team Institution of Structural Engineers 47 - 58 Bastwick Street London EC1V 3PS Tel 0207235 4535 Fax 0207235 4294 Email: [email protected] June 2011 The Mw 6.2 Christchurch Earthquake of 22 February 2011 1 CONTENTS ACKNOWLEDGEMENTS 3 1. INTRODUCTION 4 2. REGIONAL TECTONIC AND GEOLOGICAL SETTING 6 3. SEISMOLOGICAL ASPECTS 12 4. NEW ZEALAND BUILDING STOCK AND DESIGN PRACTICE 25 5. PERFORMANCE OF BUILDINGS 32 6. PERFORMANCE OF LIFELINES 53 7. GEOTECHNICAL ASPECTS 62 8. DISASTER MANAGEMENT 96 9. ECONOMIC LOSSES AND INSURANCE 108 10. CONCLUSIONS 110 11. REFERENCES 112 APPENDIX A: DETAILED RESIDENTIAL DAMAGE SURVEY 117 The Mw 6.2 Christchurch Earthquake of 22 February 2011 2 ACKNOWLEDGEMENTS The authors would like to express their thanks to the many individuals and organisations that have assisted with the EEFIT mission to Christchurch and in the preparation of this report. We thank Arup for enabling Matthew Free to attend this mission and the British Geological Survey for allowing David Boon to attend. We would also like to thank the Engineering and Physical Sciences Research Council for providing funding for Sean Wilkinson, Damian Grant, Elizabeth Paganoni and Sarah Paganoni to join the team. Their continued support in enabling UK academics to witness the aftermath of earthquakes and the effects on structures and the communities they serve is gratefully acknowledged. -
Number 19 2005 - 2006 06 2005 Departmental Staff * - Emeritus Professors
CE News Number 19 2005 - 2006 06 2005 Departmental Staff * - Emeritus professors Academic/Research Staff Technical and General Staff Chris Allington : Structural concrete Ray Allan : Fabrication John Berrill : Geomechanics, engineering seismology Colin Bliss : Fabrication Lis Bowman : Geomechanics Melody Callahan : Graphics, publicity, webmistress Andy Buchanan : Timber and fire engineering Peter Coursey : Computer and electronics technician Des Bull: Structural concrete design, earthquake engineering Nigel Dixon : Structures laboratory Athol Carr : Structural dynamics, finite element analysis Grant Dunlop : Fire engineering laboratory Tom Cochrane : Natural resources engineering Siale Faitotonu : Geomechanical laboratory Misko Cubrinovski : Geomechanics Frank Greenslade : Transport laboratory Erica Dalziell : Risk, systems Gary Harvey : Concrete laboratory Andre Dantas : Transport planning, GIS Brandon Hutchison : Computer analyst Mark Davidson : Fluid mechanics David MacPherson : Technical Services Mgr, Environmental eng. laboratory Roger Dawe : Surveying Russell McConchie : Fabrication and testing Bruce Deam : Earthquake and timber engineering John Maley : Structures laboratory Rajesh Dhakal : Structural engineering Richard Newton : Electronics workshop Charley Fleischmann : Fire engineering Tim Perigo : Structures laboratory Massimo Fragiacomo : Timber engineering Alan Poynter : Model structures laboratory Bruce Hunt : Fluid mechanics, groundwater flow Ian Sheppard : Fluids laboratory Glen Koorey : Transport and traffic engineering -
Observations and Implications of Damage from the Magnitude Mw 6.3 Christchurch, New Zealand Earthquake of 22Nd February 2011
Manuscript Click here to download Manuscript: Observations of Damage From Mw 6 Christchurch earthquake_revision1.docClick here to view linked References OBSERVATIONS AND IMPLICATIONS OF DAMAGE FROM THE MAGNITUDE MW 6.3 CHRISTCHURCH, NEW ZEALAND EARTHQUAKE OF 22ND FEBRUARY 2011 Sean Wilkinson, Damian Grant, Elizabeth Williams, Sara Paganoni, Stuart Fraser, David Boon, Anna Mason, Matthew Free ABSTRACT This paper describes the observations made by a reconnaissance team following the 22nd February 2011, Mw 6.3, Christchurch, New Zealand earthquake (GNS Science; 2011). The team comprised of members of the UK based Earthquake Engineering Field Investigation Team (EEFIT) who spent five days collecting observations on damage resulting from the earthquake. Although the magnitude of this earthquake was not particularly high (Mw 6.3), the shallow focus and close proximity resulted in locally very high ground motions, widespread damage and 182 fatalities. The earthquake is also particularly notable for the widespread liquefaction it caused, landslides and rockfalls in the hills south of Christchurch, and the significant damage suffered by unreinforced masonry and historic structures. Over wide areas of central Christchurch, recorded accelerations were in excess of those required by the current New Zealand seismic loadings standard (NZS1170.5:2004): Standards New Zealand (2004), and therefore the earthquake presented a valuable opportunity to assess performance of modern buildings under code-level ground acceleration. INTRODUCTION th At 04:35 (local time) on the 4 September 2010 the province of Canterbury suffered a magnitude Mw 7.1 earthquake. The epicentre of this earthquake was approximately 40 km West of Christchurch near the town of Darfield (GNS Science, 2010). -
Our Vision Uplifting Prospects for New Zealanders Through Engineering
Our Vision Uplifting prospects for New Zealanders through engineering Annual Review 2013 Our Mission Advance the profession of engineering 2 Contents About us 4 Associated Reports 28 The Organisation 6 Registration Authority 30 Our Membership 8 Practice College 32 President's Report 11 Branches 33 Our Governing Board 12 Special and Technical Interest Groups 38 Chief Executive's Comment 13 Collaborating Technical Societies 43 Our Staff 14 Roll of Honour 47 IPENZ Foundation 49 Making our Vision a reality 16 Professional Standards 18 Financial Statements 50 Engineering Leadership 20 How we use our Financial Resources 58 Informed Engagement 22 IPENZ Foundation Financial Summary 62 Enhanced Understanding 23 Enduring Capability 24 Behind the Scenes 27 This is how we 3 progressed this year… 4 14,936 About us As at 30 September, IPENZ Membership stood at 14,936. The fields of engineering our Members are practising in are expanding and our Members are to be found all over the globe, thanks to our internationally accepted educational, professional and ethical standards. 14,936 5 ABOUT US The Organisation IPENZ is the professional body for engineers in New Zealand. The Institution operates a wide range of activities and services for engineers and the general public. The Institution of Professional 6 Engineers New Zealand Incorporated IPENZ activities and services include: (IPENZ) is the professional body for Enforcing standards The voice professional engineers, engineering Enforcing the standards of professional Providing a voice to bring an engin- technologists and engineering competence for the engineering profes- eering perspective to inform public technicians from all engineering sion, and ethical behaviour for its Mem- policy development and explain disciplines in New Zealand. -
An Evolving Order the Institution of Professional Engineers New Zealand 1914–2014
An Evolving Order The Institution of Professional Engineers New Zealand 1914–2014 Peter Cooke An Evolving Order The Institution of Professional Engineers New Zealand, 1914-2014 Peter Cooke Published by Institution of Professional Engineers New Zealand, 158 The Terrace, Wellington, New Zealand © 2014 Institution of Professional Engineers New Zealand The author, Peter Cooke, asserts his moral right in the work. First published 2014 This book is copyright. No part of this publication may be reproduced or transmitted in any form or by any means without the prior written permission of the copyright owner. ISBN 978-0-908960-58-3 (print copy) ISBN 978-0-908960-59-0 (electronic book) Book design by Cluster Creative CONTENTS Foreword vii Acknowledgements ix Abbreviations x Chapter 1: Beginnings 1 The arrival of New Zealand’s surveyors/engineers 1 Motivation for engineering independence 4 Local government engineers 1912 6 “One strong society” 8 Other institutions 10 Plumbers, architects, and the New Zealand Society of Civil Engineers 12 First World War 15 Chapter 2: 1920s 21 Engineers Registration Act 1924 21 Getting registered 24 The Society’s first premises 26 Perception of the Society 27 Attempting advocacy 29 What’s in a name? Early debates 30 Benevolence 32 New Zealand engineering and the Society’s history 33 Chapter 3: 1930s 37 A recurring issue: the status of engineers 37 Engineering education and qualifications 38 Earthquake engineering 40 Standardisation 42 Building bylaw 44 Professional etiquette/ethics 45 A test of ethics 47 Professional -
NZ Geomechanics News Newsletter of the New Zealand Geotechnical Society Inc
NZ Geomecha december 2010 issue 80 N ics News ics NZ GeomechaNics News Newsletter of the New Zealand Geotechnical Society Inc. ISSN 0111–6851 ■ Darfield (Canterbury) Earthquake Darfield www.nzgs.org ■ IAEG 2010 Congress ■ Numerical Modelling ■ Student Awards Darfield (Canterbury) ■ To RQD or not to Earthquake IAEG 2010 Congress december Numerical Modelling 2010 Student Awards issue 80 To RQD or not to RQD NZGS NZGSDeccv_OUT.indd 1 25/05/14 12:18 pm NEW ZEALAND GEOMECHANICS NEWS CONTENTS DECEMBER 2010, ISSUE 80 21 70 99 Chairman’s Corner ............................................ 2 Website Review ............................................. 69 Editorial ................................................................ 3 IAEG 2010 Congress (4-10 September 2010) .. 70 The Secretary’s News ........................................ 6 Book Reviews Geotechnical Engineering in Residual Soils .... 72 Editorial Policy .................................................... 9 Letters to the Editors .......................................... 9 Conference Reports Observations of the IAEG Congress from a Roving International Society Reports Reporter for NZGS ........................................ 73 ISRM ............................................................ 11 Conversations with IAEG Key-note Speakers .. 76 IAEG ............................................................ 13 11th IAEG Congress, NZGS Stand ................ 79 NZGS Branch Activities..................................... 14 Students at IAEG 2010 Congress ................... 81 CETANZ -
Securing of Unreinforced Masonry Parapets and Facades – from Fundamental Research to National Policy
MASONRY TODAY AND TOMORROW 11 - 14 February, 2018 SYDNEY AUSTRALIA www.10amc.com SECURING OF UNREINFORCED MASONRY PARAPETS AND FACADES – FROM FUNDAMENTAL RESEARCH TO NATIONAL POLICY J.M. Ingham1, D. Dizhur2, M. Giaretton3, K.Q. Walsh4, H. Derakhshan5, R. Jafarzadeh6, M.C. Griffith7 and M.J. Masia8 1 Professor, Department of Civil and Environmental Engineering, The University of Auckland, Auckland 1023, New Zealand, [email protected] 2 Lecturer, Department of Civil and Environmental Engineering, The University of Auckland, Auckland 1023, New Zealand, [email protected] 3 Post-doctoral Researcher, Department of Civil and Environmental Engineering, The University of Auckland, Auckland 1023, New Zealand, [email protected] 4 Assistant Professor of Practice, Department of Civil & Environmental Engineering & Earth Sciences, University of Notre Dame, Indiana, United States; Senior Structural Engineer, Frost Engineering and Consulting, Mishawaka, Indiana, United States, [email protected] 5 Post-doctoral Researcher, School of Civil, Environmental and Mining Engineering, The University of Adelaide, Adelaide, SA 5005, Australia, [email protected] 6 Engineer, Auckland Council, Private Bag 92300, Victoria Street West, Auckland 1142, New Zealand, [email protected] 7 Professor, School of Civil, Environmental and Mining Engineering, The University of Adelaide, Adelaide, SA 5005, Australia, [email protected] 8 Associate Professor, Centre for Infrastructure Performance and Reliability, -
Research Report 2010/2011
Research Report 2010/2011 Produced by Research & Innovation and Communications & External Relations, University of Canterbury Design by Communications & External Relations, University of Canterbury CD produced by Amstore Publication printed by Kalamazoo Wyatt & Wilson April 2012 ISSN 1176-8193 Cover image: University of Canterbury zoology PhD student Sara Kross. University of Canterbury Through research one is able to venture beyond the horizons into unchartered waters, unidentified fields, unseen domains, and unexplored knowledge/s to piece together the unfamiliar in the creation of new patterns; new ways of knowing; as is suggested in the Māori word for research, “rangahau”. It is through research that we can tap into our potentials and ascend to new heights; like “te piki kōtuku” (the ascending heron). The bird that partakes of the miro berry reigns in the forest. The bird that partakes of the power of knowledge has access to the world. Nōna te Ao. Mixed media (ink, watercolour) by Mere Skerrett, Waitaha, Kāti Mamoe, Ngāi Tahu, Ngāti Pikiao and Ngāti Mahuta (Senior Lecturer, School of Māori, Social and Cultural Studies in Education). Research Report 2010/2011 1 Research & Innovation Connecting UC’s research with the world Research & Innovation is the first point of contact for external organisations who are interested in: discussions on how UC resources might help your organisation; assistance in accessing UC expertise and facilities, including the areas of science, engineering, education, Sara Kross, zoology PhD student business and economics, arts, and law; consulting services and contract research; opportunities to use or commercialise UC’s intellectual The New York-born student studied for her property; assistance in identifying business or investment opportunities. -
ABSTRACT HERRICK, CHRISTOPHER KELLY. An
ABSTRACT HERRICK, CHRISTOPHER KELLY. An Analysis of Local Out-of-Plane Buckling of Ductile Reinforced Structural Walls Due to In-Plane Loading. (Under direction of Mervyn J. Kowalsky.) Reinforced structural walls are often implemented as an effective lateral force resisting system in multi-story buildings, and despite often being referred to as “shear walls,” they are usually designed as cantilevers that deform elastically under wind loads and form a plastic hinge at their base due to seismic loadings. Past research suggests that these plastic tensile demands and subsequent load reversals cause a plastic, localized lateral instability in walls. While lateral stability is addressed by some building codes, and good engineering judgment often prevents overly slender walls, plastic buckling is rarely directly addressed in current design standards. Even where design codes attempt to prevent local lateral instability, the effectiveness of such measures has not been fully examined. In 2010 and 2011, New Zealand experienced earthquakes that damaged many structural wall buildings, and plastic buckling was observed to occur. This thesis re-examines two existing local buckling models using a range of data sources. A review of prior experimental work assesses the models' accuracy at predicting plastic buckling capacities. A parametric study on a range of walls examines the variables most influential in determining the point at which a structural wall is likely to develop lateral instability and buckle. Additionally, results from three non-linear time history analyses of buildings that experienced the 2010 and 2011 New Zealand earthquakes are presented and compared with damage observed in the field to assess each buckling model's accuracy. -
Thursday, 14 April 2011
Thursday, 14 April 2011 8:00 – 8:30 Registration L0 Foyer 8:30 – 8:50 Conference Opening F&PPA President Welcome 8:50 – 9:00 F&PPA Peter Wood, President of the New Zealand Society for Earthquake Engineering Christchurch Earthquakes Summary I Session Chair: Peter Wood Seismotectonics Kelvin Berryman, GNS Science Civil Defence John Hamilton, Ministry of Civil Defence Emergency Management 9:00 – 10:30 Urban Search and Rescue F&PPA David Brunsdon, Kestrel Group Ground Performance Misko Cubrinovski, University of Canterbury Structural Performance John Hare, Holmes Consulting Ltd. Heritage Building Matters Win Clark, New Zealand Society for Earthquake Engineering 10:30 – 10:50 Morning Tea Christchurch Earthquakes Summary II Session Chair: David Middleton Performance of Lifelines To be advised Earthquake Commission Hugh Cowan, EQC 10:50 – 12:20 F&PPA Rebuilding (Housing and Infrastructure) Mark Binns, Fletcher Building Limited Land Remediation Sjoerd Van Ballegooy, Tonkin & Taylor Limited Question and Answer Session 12:20 – 1:05 Lunch Keynote Session Problems with Seismic Design Based on Elastic Stiffness 1: 05 – 1:45 Professor Nigel Priestley, Emeritus Professor of Structural Engineering at the University of California at San Diego F&PPA Session Chair: Stefano Pampanin Christchurch Earthquake Forums Theme 1: Building Societal Resilience Theme 2: Understanding the Natural Environment Theme 3: Resilient Buildings and Infrastructure 1:50 – 3:20 Chair: David Johnston and Chair: Hannah Brackley and Chair: David Brunsdon and Ljubica Mamula-Seadon -
Number 18 February 2005 05 2004 Departmental Staff * - Emeritus Professors
CE News Number 18 February 2005 05 2004 Departmental Staff * - Emeritus professors Alan Nicholson Frank Greenslade Academic/Research Staff Transport planning, engineering and safety Transport laboratory Chris Allington Roger Nokes Gary Harvey Structural concrete Fluid mechanics Concrete laboratory John Berrill Aisling O’Sullivan Brandon Hutchison Geomechanics, engineering seismology Natural resources engineering Computer analyst Andy Buchanan Alessandro Palermo David MacPherson Timber and fire engineering Structural engineering Technical Services Mgr, Environmental Eng. Des Bull Bob Park* laboratory and Department Safety Officer Structural concrete design, earthquake engineering Structural engineering Russell McConchie Athol Carr David Painter Fabrication and testing Structural dynamics, finite element analysis Water resources engineering John Maley Nigel Cooke Stefano Pampanin Structures laboratory Structural engineering Structural engineering Richard Newton Erica Dalziell Tom Paulay* Electronics workshop Risk, systems Structural design Tim Perigo Andre Dantas Mofreh Saleh Structures laboratory Transport planning, GIS Transport and pavement engineering Alan Poynter Rob Davis* Michael Spearpoint Model structures laboratory Geomechanics, continuum mechanics Fire engineering Ian Sheppard Mark Davidson Bruce Steven Fluids laboratory Fluid mechanics Transport and pavement engineering Bob Wilsea-Smith Roger Dawe Alex Sutherland Fire laboratory Surveying Sediment transport, coastal engineering Stuart Toase Bruce Deam Hugh Thorpe Fabrication, -
Remembering Professors Paulay, Park and Priestley
REMEMBERING PROFESSORS PAULAY, PARK AND PRIESTLEY JASON INGHAM 1, DES BULL 2, KIMBERLEY TWIGDEN 2 1 University of Auckland 2 Holmes Consulting Group ABSTRACT Professors Tom Paulay, Bob Park and Nigel Priestley each made a massive contribution to structural seismic concrete design both in New Zealand and internationally, receiving numerous international awards and commendations for their research. Alas, all have now passed away and in this article the authors seek to honour their memory and their contribution to the New Zealand concrete industry. The reported information derives from archive material and memories from colleagues and former students, to not only explain the technical contributions of these three great men, but also the mentoring and training that they provided to a generation of civil engineers. INTRODUCTION It is quite something to realise that three of the most globally influential structural earthquake engineers of the last 50 years were New Zealanders. Tom Paulay, Robert Park, and Nigel Priestley (pictured in Figure 1) have together revolutionised the seismic design philosophy and way of practice common amongst the global engineering community, with a particular focus on reinforced concrete. Each of them received numerous awards and honours during their lifetimes and each of them had different research highlights and contributions, but a common theme across all of their work was a focus on research that could be used by the engineering industry that derived from strong academic-industry collaboration. This industry engagement was a primary factor to their success, impact and ground breaking research ideas. Tom Paulay (Reitherman Robert Park (Reitherman Nigel Priestley (Priestley 2006a) 2006a) 2015) Figure 1.