Device and method for measuring soil body displacement

A soil displacement measurement and soil technology, which is applied in the field of foundation soil survey, construction, infrastructure engineering, etc. The effect of intelligent measurement, good measurement reliability and labor cost reduction

Active Publication Date: 2012-06-27
CHINA GEOKON INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims at the problem that the existing soil displacement measurement device has poor reliability and is prone to failure or that continuous automatic measurement or remote telemetry cannot be realized although the reliability is good, and a novel soil displaceme

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  • Device and method for measuring soil body displacement
  • Device and method for measuring soil body displacement
  • Device and method for measuring soil body displacement

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Embodiment Construction

[0033] The present invention will be described below with reference to the accompanying drawings.

[0034] The soil displacement measuring device involved in the present invention includes a settlement pipe or an inclinometer pipe buried in the soil body, a magnetic ring installed on the outside of the settlement pipe or the inclinometer pipe that moves with the soil, and also includes a magnetic ring positioning sensor and data Acquisition equipment, the magnetic ring positioning sensor is arranged in parallel inside the sedimentation tube or the inclinometer tube and covers the displacement variation range of the magnetic ring in the whole process. The magnetic ring positioning sensor includes several magnetic sensitive elements, strip supports and detection circuits. The elements are fixedly arranged on the strip-shaped support and arranged along the strip-shaped direction according to a certain spacing to form a uniformly distributed linear array, the spacing is 1-20 mm, an...

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Abstract

The invention relates to a device and a method for measuring soil body displacement. The device comprises a sedimentation pipe or an inclinometer pipe, a magnet ring locating sensor and a data acquisition device. The sedimentation pipe or the inclinometer pipe is embedded in the soil body. The magnet ring locating sensor is parallelly arranged inside the sedimentation pipe or the inclinometer pipe and covers displacement changing range of a magnet ring in the whole journey, serves as a measuring basis, is constant in fixed position and comprises a plurality of magnetic sensitive elements, a strip-shaped support piece and a detection circuit. The device and the method can achieve automatic intelligent measurement of soil body displacement, are suitable for measurement of relative displacement of the soil body in one direction, and have the advantages of being simple in use and good in measuring reliability.

Description

technical field [0001] The invention relates to the technical field of geotechnical safety monitoring, in particular to a soil displacement measuring device and method, which is suitable for measuring internal or external displacement of soil, such as earth dams, earth-rock dams, rockfill dams, side slopes and backfill soils The settlement displacement measurement of , or the horizontal displacement measurement of the above soil. Background technique [0002] At present, there are several kinds of soil displacement measuring devices at home and abroad, such as water tube settlement meter, fixed inclinometer, pressure sensor, static level and so on. These devices all have some technical defects, some can realize automatic monitoring but The reliability of the measurement is poor or prone to failures and requires frequent maintenance. Some of them have good reliability but cannot achieve continuous automatic measurement or remote telemetry, or are limited by tedious constructi...

Claims

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Application Information

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IPC IPC(8): E02D1/00
Inventor 谭斌沈省三
Owner CHINA GEOKON INSTR
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