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ASTM E3209/E3209M PDF
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Standard Test Method for Pavement Thickness by Magnetic Pulse Induction
| Published by | Publication Date | Number of Pages |
| ASTM | 06/01/2020 | 5 |
ASTM E3209/E3209M – Standard Test Method for Pavement Thickness by Magnetic Pulse Induction
1.1 This test method covers the equipment, field procedures, and interpretation of the results for the pavement thickness measurements produced by a magnetic pulse induction (MPI) device. Magnetic pulse induction devices induce a weak-pulsed magnetic field that causes the induction of eddy currents in metal objects disturbing the field. In order to measure pavement thickness with an MPI device, a pre-placed metal reflector is required. When the metal reflector enters into the field, an electrical signal is produced and processed through algorithms to detect and produce quantitative values for pavement thickness.
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