Design of a 3-D Magnetic Mapping System to Locate Reinforcing Steel in Concrete Pavements

Project Details
STATE

KS

SOURCE

TRID

END DATE

12/01/17

RESEARCHERS

Nathanael W. Holle

SPONSORS

Kansas DOT

KEYWORDS

Concrete pavements, Field tests, Mapping, Mathematical models, Reinforcing steel, Sensors, Spatial analysis, System design, Tomography

Project description

This report outlines the design, fabrication, and testing of a 3-D magnetic mapping system used to locate reinforcing steel in concrete pavements developed at Kansas State University (KSU) in 2006. The magnetic sensing functionality is based on the principles of magnetic tomography which use time-varying magnetic fields to induce magnetic returns from nearby ferrous objects. The purpose of this device is to provide a process for inspecting the depth and orientation of embedded steel bars.
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