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Homogenization and Seismic Assessment: Review and Recent Trends

  • Paulo B. Lourenço
  • Gabriele Milani
Chapter
Part of the CISM International Centre for Mechanical Sciences book series (CISM, volume 551)

Abstract

The mechanics of masonry structures has been for long underdeveloped in comparison with other fields of knowledge. Presently, non-linear analysis is a popular field in masonry research and advanced computer codes are available for researchers and practitioners. The chapter presents a discussion of masonry behaviour and clarifies how to obtain the non-linear data required by the computations. The chapter also addresses different homogenisation techniques available in the literature in the linear and rigid-plastic case, aiming at defining a catalogue and at discussing the advantages and disadvantages of the different approaches. Special attention is given to stress assumed models based either on a polynomial expansion of the micro-stress field or in the discretization of the unit cell by means of a few constant stress finite elements CST with joints reduced to interfaces. Finally, the aspects of seismic assessment are presented and case studies involving the use of macro-block analysis, static (pushover) analysis and time integration analysis are discussed.

Keywords

Failure Surface Masonry Wall Pushover Analysis Masonry Building Collapse Mechanism 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© CISM, Udine 2014

Authors and Affiliations

  • Paulo B. Lourenço
    • 1
  • Gabriele Milani
    • 2
  1. 1.Institute for Sustainability and Innovation in Structural Engineering (ISISE), Department of Civil EngineeringUniversity of MinhoGuimaraesPortugal
  2. 2.Department of Architecture, Built environment and Construction engineering (A.B.C.)Politecnico di MilanoMilanoItaly

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