Case Studies
Case Studies on Conservation and Seismic Strengthening/Retrofitting of Existing Structures, by Andreas Lampropoulos


Recent earthquakes have demonstrated that despite the continuous developments of novel materials and new strengthening techniques, the majority of the existing structures are still unprotected and at high seismic risk. The repair and strengthening framework is a complex process and there are often barriers in the preventative upgrade of the existing structures related to the cost of the applications and the limited expertise of the engineers. The engineers need to consider various options thoroughly and the selection of the appropriate strategy is a crucial parameter for the success of these applications. The main aim of this collection is to present a number of different approaches applied to a wide range of structures with different characteristics and demands acting as a practical guide for the main repair and strengthening approaches used worldwide. This document contains a collection of nine case studies from six different countries with different seismicity (i.e. Austria, Greece, Italy, Mexico, Nepal and New Zealand). Various types of structures have been selected with different structural peculiarities such as buildings used for different purposes (i.e. school buildings, town hall, 30 storey office tower), a bridge, and a wharf. Most of the examined structures are Reinforced Concrete structures while there is also an application on a Masonry building. For each of the examined studies, the local conditions are described followed by the main deficiencies which are addressed. The methods used for the assessment of the in-situ conditions also presented and alternative strategies for the repair and strengthening are considered. 
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Contributing Authors
(Listed as per chapter sequence)
Andreas Lampropoulos (Editor)
University of Brighton, UK 
Christos Giarlelis
Equidas Consulting Engineers, Greece
  Hamish McKenzie
Holmes Consulting, New Zealand
Evlalia Lamprinou
Equidas Consulting Engineers, Greece
  Rob Presland
Holmes Consulting, New Zealand
Constantinos Repapis
University of West Attica, Greece
  Alistair Boyce
WSP-Opus, New Zealand
Stephanos Dritsos
University of Patras, Greece
  Engliang Chin
Tonkin and Taylor, New Zealand
Dimitrios Baros
University of Patras, Greece
  Gareth Morris
Holmes Consulting, New Zealand
Rakesh Dumaru
University of Porto, Portugal
  Mark Browne
Holmes Consulting, New Zealand
Hugo Rodrigues
ESTG - Polytechnic Institute of Leiria, Portugal
  Kirsti Murahidy
Tonkin and Taylor, New Zealand
Humberto Varum
University of Porto, Portugal
  Mike Jacka
Tonkin and Taylor, New Zealand
Enzo Martinelli
Univ. degli Studi di Salerno, Italy
  Dimitrios Stefanoudakis
Civil Engineer, Austria
Ciro Faella
Univ. degli Studi di Salerno, Italy
  Eftychia Apostolidi
Univ. of Natural Res. & Life Sciences, Austria
Emidio Nigro
Univ. degli Studi di Napoli “Federico II”, Italy
  José Jara
Univ. Michoacana de San Nicolás, México
Carmine Lima
Univ. degli Studi di Salerno, Italy
  Bertha Olmos
Univ. Michoacana de San Nicolás, México
Joe White
Holmes Consulting, Netherlands
  Guillermo Martínez
Univ. Michoacana de San Nicolás, México


224 pages, in English


IABSE Bulletins
Case Studies 2

Case Studies on Conservation and Seismic Strengthening/Retrofitting of Existing Structures by Andreas Lampropoulos, UK

ISBN 978-3-85748-173-4
Format: 170 x 240 mm
Published: January 2020

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