Protection of Built Environment Against Earthquakes





Preface

High observed losses throughout the world indicate that seismic risk is beyond a

tolerable level. In order to make a contribution towards the finding of a solution to

this problem, the Institute of Structural Engineering, Earthquake Engineering and

Construction IT at the Faculty of Civil and Geodetic Engineering of the University

of Ljubljana invited several researchers from Europe and other parts of the world to

participate at an international workshop entitled “Protection of the built environment

against earthquakes”. This workshop was held in Ljubljana at the Faculty of

Civil and Geodetic Engineering, on August 27 and 28, 2010 ( ice4risk.sloprojekt.info/workshop/).

Based on the success of this event, the authors decided to prepare a book which

would address the seismic performance and risk assessment of structures. The first

part of this peer-reviewed book contains four chapters, which are concerned with a

global earthquake model, seismic hazard and ground motions, whereas the second,

more extensive part contains eleven chapters. The book starts with an introduction

to the five global risk components of the Global Earthquake Model initiative. The

use of a generalised conditional intensity measure approach, as a basis for the

holistic selection of ground motions, is then discussed, followed by the disaggregation

of seismic hazard, which can be a useful tool for the definition of design

earthquake scenarios to be used in engineering practice. The first part of the book

concludes with a chapter which discusses how the orientation-dependence of

earthquake ground motions could be considered within code specifications for

seismic demand. The authors of this chapter were invited to the project after the

workshop.


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