ERT/ECT bimodal composite three-dimensional sensor
A composite sensor technology, applied in the direction of instruments, scientific instruments, measuring devices, etc., can solve the problems of lack of comparison and verification methods for imaging results, inability to provide three-dimensional detection results, and small dynamic monitoring range, so as to increase coverage and protect The effect of being damaged and preventing electromagnetic field interference
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Embodiment 1
[0020] The ERT / ECT dual-mode composite three-dimensional sensor involved in this embodiment can realize the visual tracking of the intrusion process of moisture inside the concrete structure. Hole 5, through hole 6, fixing seat 7, water injection pipe 8, ERT electrode 9, screw rod 10, nut 11, ECT electrode 12, gasket 13 and electrode lead wire 14; the sides of the cover box 1 with bottomless cuboid structure are equally spaced There are 3 partitions 2, the outside of the cover box 1 is provided with a bottomless shielding box 3, the top surface of the cover box 1 and the shielding box 3 are provided with the same large round hole 4 at the same eccentric place, the top of the cover box 1 There are 28 small round holes 5 on the surface and sides, and 52 through holes 6 are equally spaced on each partition 2, and the edge of the large round hole 4 of the shielding box 3 is provided with a ring-shaped fixing seat 7 , the fixed seat 7 is provided with a water injection pipe 8 with ...
Embodiment 2
[0023] The main structure of the ERT / ECT dual-mode composite three-dimensional sensor involved in this embodiment is the same as the main structure of Example 1, and its process of visually tracking the moisture intrusion and transmission process inside the concrete structure includes the following steps:
[0024] 1. Prepare a concrete component 100 with a cuboid structure of 10 cm in length, 10 cm in width and 15 cm in height according to the set mix ratio, place it in a standard curing room for 7 days, and then put it into a blast drying oven to dry to constant weight; The fixing seat 7 and the water injection pipe 8 are pasted together and then pasted on the eccentric part of the top surface of the concrete member 100 cooled to room temperature;
[0025] The above two pastes are all pasted with oily glue;
[0026] 2. Paste the ECT electrodes 12 evenly on the five sides of the cover box 1, cut and open holes corresponding to the large round holes 4 and small round holes 5 to...
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