Impact of modeling architectural detailing for predicting unreinforced masonry response to subsidence

Abstract

Publication informationAutomation in Construction, Publisher Elsevier Item record/more information http://hdl.handle.net/10197/4854 Publisher's statementThis is the author's version of a work that was accepted for publication in Automation in Construction. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Automation in Construction (30, , (2013) ABSTRACT:More than one-fifth of the cost of major transport infrastructure projects relates to construction related damage prediction and mitigation. In tunnelling, recent attempts at using remote sensing as a less expensive alternative to traditional surveying for creating computational models of masonry buildings for better damage prediction raises fundamental questions as to the necessary quality of the input data, as there is a direct relationship between data quality and acquisition costs. Given the large quantity of potentially vulnerable buildings along a tunnel's route, features such as windows are typically considered only generally. To understand the implications of such choices and to better explore the viability of using remote sensing as input for computational models, 16 finite element models were devised to investigate the impact of window shape, brick orientation, window size, and the presence of lintels. Response was considered with respect to gravity loads and excavation-induced subsidence. Permutations of three common window shapes were modelled as representative of Georgian brick structures. The base model was benchmarked against large-scale Page 2 experimental work using a non-linear analysis. This study proves that a few simple assumptions can be used in reducing complexity of the building façades during reconstructing 3D building models for computation without causing major errors in structural response based on these models.

Stability analysis of leaning historic masonry structures

“…Once the mesh is available, it can be used within several computational tools for the structural analysis of historic masonry buildings. Particularly, such approaches are usually based on: a) the finite element method (FEM) [29,30,31,32,33,28,34,35]; b) the discrete element method (DEM) [36,37]; and c) limit analysis [38,39]. Interesting comparisons of computational techniques are provided in [40,41,42].…”

The effect of vertical ground movement on masonry walls simulated through an elastic–plastic interphase meso-model: a case study

“…However, new numerical studies performed by Son and Cording [35] demonstrated that the structural response to excavation-induced ground movements is highly dependent on both cracking in the structure and structural type. This was confirmed by Truong-Hong and Laefer [38]. By employing a smeared crack model for masonry, they analyzed 16 FE models on masonry walls subjected to excavation-induced settlements, to investigate the impact on the building response of three particular window shapes, window size and brick orientation.…”

FDEM Simulation on the Failure Behavior of Historic Masonry Heritages Subjected to Differential Settlement

“…Landolfo et al [15] employed similar homogenized FE model and predicted the failure modes of two-story masonry wall façades induced by differential settlement. Truong-Hong and Laefer [16] devised FE models and investigated the influence of window shape and size, block orientation, and lintels on the failure of masonry walls caused by excavation subsidence. Malena et al [17] combined the piecewise rigid displacement (PRD) method and the FE approach and studied the failure of masonry arch bridge caused by pier displacement.…”