Chapter 4 Building Facade Analysis - Elastic 4.1 Introduction Chapters 4 and 5 of this thesis describe a study undertaken to investigate the response of building facades to ground displacements using finite element analysis. The results of the study are used to develop a new constitutive model for surface beams for the modelling of building facades, such that the beam response closely approximates the behaviour of full facades in soil-structure interaction situations. As discussed in Chapters 2 and 3, it is common practice in soil-structure interaction prob- lems studied using 2D analysis, to approximate a building as a beam on the ground surface. Current methods of assigning properties to surface beams to model masonry structures are generally not based on any rigorous analysis of the response of buildings to ground move- ments. Usually, simple linear elastic isotropic properties are assigned to the beam. Burland and Wroth (1974), however, noted that openings in a facade may impact its response to settlements, but provided no rigorous design guidance. The work described here involves an investigation into the appropriateness of assigning simple elastic properties; finds that for certain building facades current methods could be improved; and goes on to establish a new method for modelling a two-dimensional masonry facade as a surface beam for use in three-dimensional finite element analyses.
Building Facade Analysis - Elastic
Jun 04, 2023
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