Understanding cracks in historic structures: Quantitative assessment though numerical simulation and manifold learning

Rebecca K. Napolitano, Wesley F. Reinhart, David W. Sroczynski, Anna C. Blyth, Branko Glisic

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

For projects focused on restoration and strengthening of historic structures, information about the origins, magnitude, and stability implications of damage to a structure are required. The objective of this work is to create a novel methodology for understanding the causes of cracks in masonry structures and the resulting effects on global stability. Using Distinct Element Modeling (DEM), the crack patterns of a building can be simulated for a combination of loading scenarios. The results of this method are benchmarked against experimental results and applied to three case studies. The limitations of current physics-based approaches are discussed and a solution using manifold learning is outlined. Manifold learning can be applied to ensembles of crack patterns observed on real or simulated structures to infer damage pathways when the mechanism is unknown. This technique uses a perceptual hashing of the crack patterns to produce an affinity matrix, which is then analyzed by spectral methods to learn a small set of parameters which can describe the ensemble. Because the affinity is derived from a sparse perceptual hash, these descriptors can then be used to interrogate the manifold via a "lifting" operation which reveals the dominant failure modes in the sample.

Original languageEnglish (US)
Title of host publication20th Congress of IABSE, New York City 2019
Subtitle of host publicationThe Evolving Metropolis - Report
PublisherInternational Association for Bridge and Structural Engineering (IABSE)
Pages2486-2492
Number of pages7
ISBN (Electronic)9783857481659
StatePublished - Jan 1 2019
Event20th IABSE Congress, New York City 2019: The Evolving Metropolis - New York City, United States
Duration: Sep 4 2019Sep 6 2019

Publication series

Name20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report

Conference

Conference20th IABSE Congress, New York City 2019: The Evolving Metropolis
CountryUnited States
CityNew York City
Period9/4/199/6/19

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction

Keywords

  • Cracks
  • Diagnostics
  • Historic structures
  • Manifold learning
  • Numerical simulation
  • Restoration

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  • Cite this

    Napolitano, R. K., Reinhart, W. F., Sroczynski, D. W., Blyth, A. C., & Glisic, B. (2019). Understanding cracks in historic structures: Quantitative assessment though numerical simulation and manifold learning. In 20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report (pp. 2486-2492). (20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report). International Association for Bridge and Structural Engineering (IABSE).