Magnetic-field-based deep deformation instability monitoring system of slide slope and monitoring method based on the same
A monitoring system and magnetic field technology, applied in the field of measurement, can solve problems such as difficult service, complex algorithm, cumbersome instrument layout, etc.
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Embodiment 1
[0054] This embodiment is a magnetic field-based deep deformation and instability monitoring system for slopes, such as figure 1 As shown, the monitoring system includes a magnetic field emitting element 1 , a partial tensor magnetic gradiometer 2 , a data transmission system 3 and a data control system 4 .
[0055] Among them: the number of magnetic field emitting elements 1 is multiple, buried in different measuring points inside the slope, and emit magnetic fields at their respective measuring points; part of the tensor magnetic gradiometer 2 is set on the surface of the slope and measures the magnetic field of each measuring point For the partial magnetic field gradient tensor emitted by the transmitting element 1, the number of partial tensor magnetic gradiometers 2 is not less than three, and at least three partial tensor magnetic gradiometers 2 are not collinear; the data transmission system 3 converts the magnetic field gradient tensor The data is transmitted to the da...
Embodiment 2
[0061] The present embodiment is the monitoring method of the present invention, comprises the following steps:
[0062] S1) Arrange several measuring points in the slope, and bury a magnetic field emitting element in each measuring point; select n reference points (n≥3) on the slope surface, and at least three reference points are not collinear, and each Arrange a partial tensor magnetic gradiometer at each reference point to measure the partial magnetic field gradient tensor of the magnetic field emitting element at each measuring point in the slope, select one of the reference points as the coordinate origin O during monitoring, and define the monitoring coordinates In the Oxyz system, the z-axis direction must be vertically upward, the x-axis direction and the y-axis direction must be consistent with the x-axis direction and the y-axis direction of the partial tensor magnetic field gradient sensor. Under the monitoring coordinate system Oxyz, measure the three-dimensional ...
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