Pressure plate instrument for rapidly measuring soil water characteristic curve, and measuring method thereof
A soil-water characteristic curve and fast technology, applied in the field of pressure plate instrument, can solve the problems of long measurement time and large measurement error, and achieve the effect of high permeability, improvement time and shortening time.
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[0054] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0055] Pressure plate meter for rapid measurement of soil-water characteristic curves, such as figure 1 As shown, the laser emitter inside the laser displacement sensor 38 emits a beam of laser light to generate a laser spot on the surface of the measured object, the difference ΔX between the imaging position of the light spot inside the laser displacement sensor and the reference position and the distance between the object and the reference △L has a certain ...
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