Electrical Impedance Tomographic Methods for Sensing Strain Fields and Crack Damage in Cementitious Structures

  title={Electrical Impedance Tomographic Methods for Sensing Strain Fields and Crack Damage in Cementitious Structures},
  author={T. Hou and Jerome P. Lynch},
Cement-based composites (for example, concrete) are brittle materials that crack when loaded in tension. Current strategies for crack detection are primarily based upon visual inspection by an inspector; such approaches are labor-intensive and expensive. Direly needed are sensors that can be included within a structural health monitoring (SHM) system for automated quantification of crack damage. This study explores the use of cementitious materials as their own sensor platform capable of… CONTINUE READING
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