Non-contact underground pipeline two-dimensional millimeter-level settlement real-time monitoring method
An underground pipeline, real-time monitoring technology, applied in the direction of climate sustainability, instruments, height/level measurement, etc., can solve the problems of monitoring data distortion, inability to real-time monitoring, low measurement accuracy, etc., to achieve low cost and high stability. , The effect of high monitoring accuracy
Pending Publication Date: 2022-06-07
河南省科学院同位素研究所有限责任公司 +2
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Abstract
The invention discloses a real-time monitoring method for two-dimensional millimeter-level settlement of a non-contact underground pipeline. The method comprises the following steps: step (1), acquiring the distance between a probe and the underground pipeline in the vertical direction in real time by a first ultrasonic distance measuring sensor; (2) calculating a settlement value of the underground pipeline in the vertical direction, and inverting a horizontal displacement value of the underground pipeline; (3) correcting the monitoring data in real time by a ground surface vibration correction module, and eliminating the influence of vibration on a monitoring result; step (4), a tilt correction module performs data correction on the monitoring result by using the tilt value of the horizontal plane of the probe; the system has a function of monitoring settlement of the underground pipeline in real time, and has the advantages of non-contact monitoring, high monitoring precision, simultaneous monitoring of displacement changes in vertical and horizontal directions, simple system device and installation process, high stability, good environmental adaptability, low later maintenance requirement, small hole, low cost, easy popularization and the like.
Application Domain
Using subsonic/sonic/ultrasonic vibration meansHeight/levelling measurement +1
Technology Topic
Underground pipelineMonitoring data +8
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