Experiment system for corrosion of stray currents in subway
A technique for stray current and corrosion experiments, applied in weather resistance/light resistance/corrosion resistance, measuring devices, instruments, etc., can solve problems such as inability to quantitatively express the relationship between polarization potentials
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[0018] Example 1: The subway stray current corrosion experiment system includes: an adjustable DC power supply 1, a power transmitter 2, a data acquisition device 3, a host computer 4, a signal conditioner 5, an auxiliary electrode 6, a steel mesh 7, and a reinforced concrete block 8. Reference electrode 9, soil tank 10, steel bar 11 and steel pipe 12. The positive and negative electrodes of the adjustable DC power supply 1 are respectively connected to two different auxiliary electrodes 6, and the auxiliary electrodes 6 are embedded in the upper surface of the reinforced concrete block 8; the reinforcing bars 11 are distributed at different positions inside the reinforced concrete block 8, and six are arranged in total; The lower surface of the concrete block 8 is in close contact with the soil medium in the soil box 10, and five steel pipes 12 with different positions are arranged in the soil box 10; the reference electrode 9 is buried next to the steel bar 11 and the steel p...
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