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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. -
Cathedral Working Group Recommendation Report
CATHEDRAL WORKING GROUP RECOMMENDATION REPORT NOVEMBER 2016 Released by the Minister supporting Greater Christchurch Regeneration This document and its contents are confidential and shall not be distributed, published, copied or reproduced without the express written permission of the Minister Supporting Greater Christchurch Regeneration and the Church Property Trustees. VERSION ISSUE DATE REASON FOR ISSUE AUTHOR APPROVED FOR ISSUE 1 28.10.16 Draft for Review Bianca Hurrell, RCP Marcus Read, RCP 2 31.10.16 Draft to include Bianca Hurrell, RCP Marcus Read, RCP comments from Working Group Chair Regeneration 3 01.11.16 Edited and Proofed Anna Komink, Axiom Marcus Read, RCP Final Draft to CWG / Bianca Hurrell, RCP 4 07.11.16 Updates following Bianca Hurrell, RCP / Marcus Read, RCP / CWG meeting Anna Komink, Axiom Geoff Dangerfield, CWG Christchurch 5 21.11.16 Updates as Geoff Dangerfield, Geoff Dangerfield, provided to CWG CWG / Marcus Read, CWG / Marcus Read, for review RCP RCP 6 24.11.16 Final Draft providedGreater Geoff Dangerfield, Marcus Read, RCP / to CWG for review CWG / Marcus Read, Geoff Dangerfield, RCP CWG 7 25.11.16 Final Copy Geoff Dangerfield, Geoff Dangerfield, CWG / Marcus Read, CWG / Marcus Read, RCP RCP supporting Minister the by Released ii CONTENTS 1.0 Executive Summary 1 2.0 Recommendations 7 3.0 Introduction 9 4.0 Background and Context 12 5.0 Values and Requirements of the ChristChurch Cathedral 13 6.0 Heritage and Archaeological Review Regeneration16 7.0 Structural Review 21 8.0 Regeneration of the Square 27 9.0 Delivery -
Performance of Posttensioned Seismic Retrofit of Two Stone Masonry Buildings During the Canterbury Earthquakes
Australian Earthquake Engineering Society 2013 Conference, Nov 15-17 2013, Hobart, Tasmania Performance of posttensioned seismic retrofit of two stone masonry buildings during the Canterbury earthquakes Dmytro Dizhur1, Sara Bailey2, John Trowsdale3, Michael Griffith4 and Jason M. Ingham5 1. Research Fellow, Department of Civil and Environmental Engineering, University of Auckland, Private Bag 92019, Auckland, New Zealand, [email protected] 2. Student Researcher, Department of Civil and Environmental Engineering, University of Auckland, Private Bag 92019, Auckland, New Zealand, [email protected] 3. Arts Centre Project Director, Holmes Consulting Group, P O Box 6718, Christchurch 8442, New Zealand, [email protected] 4. Professor, School of Civil, Environmental and Mining Engineering, University of Adelaide, Adelaide, Australia, [email protected] 5. Professor, Department of Civil and Environmental Engineering, University of Auckland, Private Bag 92019, Auckland, New Zealand, [email protected] Abstract Seismic retrofitting of unreinforced masonry buildings using posttensioning has been the topic of many recent experimental research projects. However, the performance of such retrofit designs in actual design level earthquakes has previously been poorly documented. In 1984 two stone masonry buildings within The Arts Centre of Christchurch received posttensioned seismic retrofits, which were subsequently subjected to design level seismic loads during the 2010/2011 Canterbury earthquake sequence. These 26 year old retrofits were part of a global scheme to strengthen and secure the historic building complex and were subject to considerable budgetary constraints. Given the limited resources available at the time of construction and the current degraded state of the steel posttension tendons, the posttensioned retrofits performed well in preventing major damage to the overall structure of the two buildings in the Canterbury earthquakes. -
Canterbury Wellbeing Index, September 2016, Section 11
Canterbury Wellbeing Index People participate in and attend the arts 2016 The Canterbury Wellbeing Index tracks the progress of social recovery in greater Christchurch following the earthquakes using indicators to identify emerging social trends and issues. Why is it important for people to be involved in the arts? People attend and participate in the arts for pleasure, creative expression, personal growth, and learning. Through participation in the arts, people are able to establish social ties and connect with their own and other cultures. When individuals gain such advantages, the wider public also benefits. For example, cultures have greater empathy and understanding towards each other and communities are more able to express and create common values and identity.1 In addition, the arts promote broad social, cultural and economic goals, such as economic growth and better academic performance. New Zealanders support the arts strongly. In a 2014 survey, carried out by Creative New Zealand, 78 per cent of respondents agreed that arts help define who we are as New Zealanders and 74 per cent agreed that the arts contribute positively to our economy. Respondents agreed that their community would be poorer without the arts (69 per cent) and supported public funding of the arts (74 per cent).2 Research in 2014 also found that 99 per cent of adults in Christchurch had been to at least one cultural event or place within the previous three years.3 This proportion is slightly higher than the national average of 98 per cent. A literature review of research evaluating arts and cultural initiatives post-earthquakes in Christchurch found a number of positive impacts on community wellbeing, including on people’s physical and mental health, community resilience, and urban identity. -
CPIT Appendices 2009
External Programme Advisory Committees and Consultation Networks CPIT is committed to working with the Lee Retimana Clare Cosson industries, professions and communities Marketing Consultant, Muritai Marketing Hydraulics we serve. One way of achieving this is Ian Smith Dave Ritchie through Programme Advisory Committees Christchurch Manager, Arrow International Hydraulics or Consultation Networks, listed below. Each programme is supported by a group, of varying Baden Ewart Grant Davidson sizes and composition depending on the needs Director, Mitchell Notley & Associates Sir Edmund Hillary Outdoor Pursuit Centre of New Zealand of that programme. The Chair appointed by Computing Paul Chaplow the group, is usually external to the Institution. Craig Kerr Outdoors New Zealand Most groups include student or former student Business Information Solution Manager representation, as well as staff representatives Orion NZ Ltd Bill Gibson (whose names are not included). Fiordland Wilderness Experiences Greg Rossiter The members listed have given their permission Chief Information Offi cer, CIO Dynamic Control Rosco Gaudin to publish their names in the CPIT Annual Milford Sound Sea Kayaks Report. We are grateful for their support and Kerry Glynn Dave Watson appreciate their input throughout the year. Systems Software & Instrumentation Ltd Marlborough Sounds Adventure Richard Green Anthony Norris Faculty of Commerce Human Interface Technology Laboratory University of Canterbury Tamarillo Tropical Expedition Business Administration Chris Dever Rich Campbell -
ECOLOGICAL CONTEXT, CONDITIONS and POTENTIALS of INNER CITY CHRISTCHURCH
ECOLOGICAL CONTEXT, CONDITIONS and POTENTIALS of INNER CITY CHRISTCHURCH to INFORM PLANNING and DESIGN that ACHIEVES ECOLOGICAL INTEGRITY Colin D Meurk Colin Meurk Consultancy & Landcare Research Associate [email protected] 30th October, 2017 EXECUTIVE SUMMARY The future of the city will be judged by what happens at its centre and the messages it projects. For it to make a profound statement to the world, it must build on historical gravitas, be inclusive of all the elements of that history, and must squarely face the world we are heading to with intelligence, compassion, creativity and hope. Ecology is a key perspective, a window into our nature, and a methodology for a re-imagined sustainable City. Christchurch can be an eco-city. An ecological lens shows us that everything is connected – social (including aesthetics and design), cultural, biological, economic, ethical, philosophical and governance! Ecological literacy is derived from direct experience and is the basis for mending broken links. There are a number of critical considerations for the Christchurch rebuild if the city is to secure and strengthen its second city status in NZ through providing a vibrant lifestyle and economy based on and identifying with its particular natural and cultural attributes. Many of these needs and opportunities have an ecological foundation or relate more broadly to a fresh, bold, aspirational and joined-up approach to city planning, design and management that is life-affirming, pedagogical and sustainable. Scientific evidence points to substantial changes in the material conditions of our existence in the foreseeable future and so we must be prepared and resilient, physically and emotionally. -
Canterbury Architecture Awards Announced
Buildings with character, colour and strong sense of public purpose win Canterbury Architecture Awards Thirty-two buildings have received Canterbury Architecture Awards at an event held in Christchurch. Among the winners are new libraries and community places, forward-looking learning environments, restored pieces of important cultural heritage and several houses that reinforce Canterbury’s strong tradition for high quality residential architecture. • Information under strict embargo until: 9pm, Thursday 6 June • Download awards galleries: High res gallery or Low res gallery • Please credit photographers according to the list at the end of this release “It’s been an impressive year for buildings with important social roles to play,” said awards jury convenor Andrew Watson. “From Christchurch’s new library and the heritage Arts Centre, through smaller libraries and community buildings in Dunsandel, Leeston and Woolston, it has been inspiring to visit buildings so successfully designed around the needs of people and well-integrated into their communities.” Tūranga, Christchurch’s new central library designed by Architectus and Denmark’s Schmidt Hammer Lassen, received awards for public and interior architecture. “The building shows the potential of a library to be more than just a repository for books,” the jury said. “Its connectivity – with people, place and cuture – is exemplified by the staggered atrium and incredible staircase, which is a social space for gathering, reading and resting.” The high quality restoration of Christchurch Arts Centre’s DA and CE Buildings has won Warren and Mahoney Architects awards in the heritage and public architecture categories. “Few buildings say ‘Christchurch’ like the Gothic Revival Arts Centre,” the jury said. -
Christchurch City in New Zealand
Christchurch City in New Zealand With strong Gothic Revival architecture and prevailing M?ori culture, Christchurch is unrivaled With strong Gothic Revival architecture and prevailing M?ori culture, Christchurch is unrivaled. Snuggled between the Canterbury Plains and the Pacific, 'The Garden City' is interwoven by rivers, parks, and hills. Once rocked to its very foundations by earthquakes, Christchurch has healed its structural wounds with resilience. Whether it is punting on the Avon River or riding a gondola to the Castle Rock Reserve, there aren’t many places in the world offering such thrilling escapades. Christchurch Attractions International Antarctic Centre – Get a unique experience of Antarctica in the Snow Storm room, learn the stories of the Antarctic Explorers, get close to Little Blue Penguins, or watch an audiovisual display in the 4D theater. The visitor center, popularly called 'The Antarctic Attraction,' comprises exclusive Antarctic exhibits, a cafeteria, and a bar. A Hagglund Ride, operating from the center, takes visitors across the major attractions. Hagley Park – Largest urban open space in the city, this public park was established in 1856. Riccarton Avenue cuts park in two parts; while Hagley Golf Club is located in North Hagley Park, Hagley Oval (cricket ground) is in South Hagley Park. On a sunny day, locals engage in model yachting in the serene waters of Victoria Lake. Christchurch Botanic Gardens – Located adjacent to the loop of the Avon River near Hagley Park and sprawling over an area of 50 acres, these gardens have a large collection of exotic and endemic plants. The Herb Garden, Central Rose Garden, Heritage Rose Garden, Water Garden, and Rock Garden are the highlights here. -
Legacy of Thomas Edmonds
THE ARCHITECTURAL HERITAGE OF CHRISTCHURCH 8.The legacy of Thomas Edmonds CHRISTCHURCH CITY COUNCIL ENVIRONMENTAL POLICY & PLANNING UNIT Preface Christchurch has a charm that depends to a large extent on features built or planned by people. The quiet dignity of the city owes much to its early buildings. It is still possible to trace the history of Christchurch in the many fine examples of colonial architecture that remain. Action by the New Zealand Historic Places Trust (Cante&ury Regional Committee) and other public interest groups has saved several important city buildings including the Provincial Government Buildings, Trinity Church, the Theatre Royal and the old university (now the Christchurch Arts Centre). As the city grows and changes, there is a danger that historically or environmentally valuable buildings may be thoughtlessly or needlessly destroyed. The Christchurch CiCouncil District Planning Schemes list over 400 historic buildings and objects. Although the scheme encourages their preservation, in the end only the determination of the community can effectively protect or revitalize buildings it considers important. One of the major aims of the present series of booklets is the identification and description of the city's most valuable historic buildings, in the hope that greater public awareness of their importance will increase their chances of survival. Even if preservation should prove impossible in some cases, this series will gather information, illustrations and analyses of each building to provide a published record of the city's rich architectural heritage. If these booklets encourage you to think about the historic significance of this city's architecture, and help you to recognize the special value of Christchurch's historic buildings, then they will have served their purpose. -
Must Not Be Moved
DECEMBER 2019 ___________________________________________________________________________ MUST NOT BE MOVED Citizens’ War Memorial 1 ___________________________________________________________________________ CHAIRMAN’S PERSPECTIVE David Thornley passed away this year after long service to our Trust. Comb through the minutes of Board meetings and you will see just how much he influenced our decisions. Sadly missed. Overall, it has been a very busy year. It has seen successful efforts by The Christchurch Civic Trust (CCT) to further our objectives. Another set of Annual Awards has taken place with recipients appreciative of the recognition for their efforts across all categories. The casting about for candidates for next year has already started guided by Neil Roberts. To see past awards visit our website. They constitute a group of achievements that could well form the basis of systematic inspection and perhaps a project might create a guided tour for locals and visitors from the archives of previous awards. Ross Gray, as my Deputy, has an eye for and nose tuned to pick up heritage matters that warrant our close attention. He has something to say about Cenotaphs and Cathedrals later in this issue. He manages to have his letters to the editor published quite frequently, unlike me, which means his observations resonate better with the letters editor(s). Lindsay Carswell is the efficient keeper of our books. He is also indefatigable in attending City Council meetings to keep up with what is going on behind the documentation that is made available to the public. He can carefully craft LOGIMA/OIA requests that seek out the otherwise unknowable. Until ill health forced Penny Orme to reduce her input she was a significant contributor on several sub committees, including the McLean’s Mansion fundraising team and the awards subcommittee. -
2016 Canterbury Heritage Awards Finalists
2016 Canterbury Heritage Awards Finalists PKF Goldsmith Fox Domestic Saved and Restored Award Banksia Cottage (Plane Tree Ltd) Banksia Cottage, a charming aggregation of mid to late 19th century structures, has been lovingly repaired and restored with impressive attention to detail. Saved from dereliction, the thoroughness and respect the owners’ applied to the project has allowed the authentic personality of the cottage to shine through. Mona Vale Lodge (Christchurch City Council) One of three domestic buildings that form part of Mona Vale, the Gatehouse was damaged in the Canterbury Earthquake cycle of 2010/11. The first to be fully repaired, restored and in use again, this is an excellent example of a careful conservation approach by the Christchurch City Council that has not only fully restored the building but has resulted in the restoration of number of hidden original features such as pressed metal ceilings. Chilcombe (Peter Berry and Jeanne Mason) Chilcombe’s owners were totally dedicated to restoring their significantly damaged house after the devastating earthquakes. The damage sustained was of such magnitude that had repair not been undertaken the ultimate fate would have been demolition. Not happy to settle for compromise in saving this fine example of early Christchurch domestic architecture, they ensured that all strengthening and restoration work was carried out to a very high standard. Racecourse Hill Homestead (Brian and Bernice Cribb) Severely damaged by the 4 September earthquake in 2010, the Racecourse Hill Homestead of 1912, one of architect Cecil Woods’ outstanding English Domestic Revival homesteads, was initially targeted for demolition. In 2012 this century old homestead was purchased by Brian and Bernice Cribb who, with incredible foresight and dedication, have undertaken an outstanding approach to its repair and restoration resulting in the conservation of a significant example of Canterbury domestic architecture. -
The Riccarton Bush Pūtaringamotu Management Plan 2015
December 2015 THE RICCARTON BUSH / PŪTARINGAMOTU MANAGEMENT PLAN ACKNOWLEDGEMENTS KEY TERMS USED IN THIS MANAGEMENT PLAN Key stakeholders, user groups, Christchurch City Council ABBREVIATED NAME FULL NAME COVERING the Property The Riccarton Bush The whole site under the staff, Ngāi Tahu and the general public were consulted in the property / Pūtaringamotu administration of the Trust preparation of the Riccarton Bush Management Plan and the the Bush The Riccarton Bush The whole of the native input from all has been highly valued. The people listed to the indigenous forest / forest area lower right on this page, in particular, have contributed Pūtaringamotu the House Riccarton House The Riccarton House significantly to the plan’s re-development. building the Cottage Deans Cottage The Deans Cottage building PUBLIC NOTIFICATION and PLAN APPROVAL the Grounds Riccarton House and The grounds around the Cottage Grounds House and the Cottage The draft management plan was publicised publicly in but not including the Bush accordance with section 26(4) of the Riccarton Bush Act 1914 the Trust The Riccarton Bush Trust The Riccarton Bush Trustees (“the Board”) from 14 September to 23 November 2015. Three written submissions were received. The Riccarton Bush Trust The Riccarton Bush Trust Management Plan Working Party approved the draft management plan as the operative Mike Mora Trust Deputy Chairman management plan at the Trust’s board meeting on 2 Tim Deans Trustee December 2015. Tony Gemmill Trustee Dr Brian P Molloy Trustee DISCLAIMER: The content of this plan is not necessarily the Jon Ward Manager complete and accurate record of The Riccarton Bush property.