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Trinity Concrete Analysis: AN UPDATE

Trinity Concrete Analysis: AN UPDATE. Christoph Geiss and Jonathan Gourley Trinity College Environmental Science Program October 5, 2019. magnetic analyses:. pyrrhotite-free sample. pyrrhotite –containing sample. Calibration of magnetic susceptibility. 536 samples from 262 homes

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Trinity Concrete Analysis: AN UPDATE

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  1. Trinity Concrete Analysis: AN UPDATE Christoph Geiss and Jonathan Gourley Trinity College Environmental Science Program October 5, 2019

  2. magnetic analyses: pyrrhotite-free sample pyrrhotite –containing sample

  3. Calibration of magnetic susceptibility

  4. 536 samples from 262 homes since May 2018 Data as of 9/30/19

  5. Homes reporting deterioration • beyond vertical cracks (red dots • on data graph. • Data as of 9/23/19

  6. Separation with homes with • pyrrhotite but no deterioration. • (orange diamonds).

  7. Our data suggest that there could be homes that are less likely to deteriorate. Rigorous statistical modelling should be used to establish probability and possible risk.

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