Calibration method and device for dynamic stress test of railway subgrade
A technology of railway embankment and calibration method, which is applied in the field of foundation soil survey, road, infrastructure engineering, etc., can solve the problems of inaccurate calibration coefficient, reduce the normal stress of box surface, and low, and achieve the goal of improving accuracy Effect
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[0016] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0017] figure 1 It is a structural schematic diagram of a calibration device for railway subgrade dynamic stress testing according to the present invention. Such as figure 1 As shown, the calibration device provided by the present invention may include: a pressure sensor 10 installed in the railway embankment for outputting a corresponding sensor signal in response to the pressure on the railway embankment, wherein a bearing plate is arranged on the surface of the railway embankment , a medium of known weight is stacked on the carrier plate; and an acquisition analyzer 20 is used to determine the relationship between the actual pressure and the sensor signal a...
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