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Civil Engineering Volume 169 Issue CE2 May 2016 ■ Design and top-down construction at the Nanjing Youth Olympic Centre, China ■ Unleashing potential – the benefits of new infrastructure in the Balkans ■ Building to beat Ebola: the Royal Engineers in Sierra Leone ■ Use of shape-memory alloys in construction: a critical review www.civilengineering-ice.com ISSN 0965 089 X Call for Papers Proceedings of the Institution of Civil Engineers Civil Engineering Panel Chair and Honorary Editor: Emma Kent, Cundall Johnston & Partners LLP, UK Civil Engineering, indexed Why Publish with ICE? in Web of Science, is the ICE Publishing has been uniting research and ICE’s flagship journal. practice in engineering and science since 1836. 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Ren, Q. Zhao, W. Liu, S. Yang, S. Li, J. Yang and F. Peng 65 Engineers, 2016 Available online at Unleashing potential – the benefits of new infrastructure in the Balkans www.civilengineering-ice.com D. Wright 71 Subscription Information Non-members: Building to beat Ebola: the Royal Engineers in Sierra Leone Subscription enquiries and notification of change of address should be sent to the N. Francis 79 Customer Services department, ICE Publishing, Use of shape-memory alloys in construction: a critical review One Great George Street, Westminster SW1P 3AA W.-S. Chang and Y. 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Dario Aristizabal-Ochoa, National University of Colombia, Andrew Martin, BEng, MSt, CEng, MICE, MIStructE, COWI A/S, email: [email protected] Colombia Kongens Lyngby, Denmark David Atherton, BSc, MSc, CEng, CGeol, FICE, FIMMM, FCIWEM, MCIWM, FGS, David Oloke, Progressive Concept Consultancy Ltd, The papers and articles express the Peter Brett Associates, Reading, UK Walsall, UK opinions of the authors, and do not Philippe Bouillard, BSc, MSc, PhD, Hab, MICE, FAUA, Université Libre Neil Owen, BSc, CEng, MICE, Independent Consultant, necessarily reflect the views of the ICE, de Bruxelles, Belgium Birmingham, UK TTL, or the Editorial Panel. Papers are Yancheng Cai, PhD, MIASS, Meinhardt (C&S) Ltd, Hong Kong, Priti Parikh, PhD, CEng, MICE, FRSA, University College London, UK formally refereed by the editorial panel PR China Dave Parker, Independent Consultant, Bishop’s Stortford, UK whereas, to ensure topicality, Briefing John Clifton, BSc, CEng, CEnv, FICE, FCIHT,MCMI, Independent Consultant, Colin Rawlings, BSc, DIC, MSc, CEng, MICE, MASCE, CGeol, FGS, CH2MHill/HS2 articles are not refereed. Santa Barbara de Nexe, Portugal Ltd, London, UK Civil Engineering is indexed in the Mark Hagger, MA, CEng, FICE,MCIWEM, Environment Agency, UK Stuart Ross, Arup, Hong Kong, PR China Science Citation Index David Hobson, Jacobs, Stourbridge, UK P. J. Rudden, RPS Group, Killiney, Republic of Ireland Siva Kandasami, BE, ME, PhD, MICT, Coimbatore, India Alessandra Villa, CEng, MICE, Dott. Ing., Arup, London, UK 49 Civil Engineering Editorial Volume 169 Issue CE2 May 2016 Parker ICE Publishing: All rights reserved http://dx.doi.org/10.1680/jcien.2016.169.2.50 EDITORIAL: MAY 2016 Editorial David Parker BSc, CEng, FICE Technical Editor Emeritus, New Civil Engineer, London, UK Welcome to the May issue of Civil Engineering, the flagship A combination of simple blockwork construction and journal of the Proceedings of the Institution of Civil Engineers. proprietary disaster-relief tents cut construction time down to I have visited hundreds of sites around the world over just 5 weeks. A key early decision was to rely on in-country the last 25 years. Quite a few featured top-down basement contractors for the building works rather than flying in construction, an ingenious technique that obviously has many hundreds of British Army engineers, although the available advantages. However, none of the projects I have visited was skills base varied hugely. as ambitious as that described in the first paper, by Qingying Finally, the fascinating potential of a class of materials that Ren et al. (2016). so far have been virtually overlooked by the construction Designed by Zaha Hadid, the Nanjing Youth Olympic Centre industry is comprehensively illustrated by Chang and Araki in China features two towers, one of 58 stories, the other (2016). Shape-memory alloys have been used on a very of 68, perched atop an extensive three-storey basement. limited scale in the restoration of seismically vulnerable historic Ground conditions were challenging: the site is located on structures and to restrain excessive movements in bridge the floodplain of the Yangtze River, with alluvial deposits supports during seismic events. But the high cost of