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Method for monitoring erosion of soft sandstone side slope

A technology of arsenic sandstone and slope, applied in the field of slope erosion monitoring, can solve the problems of poor continuity of monitoring, single monitoring method, inability to achieve all-weather measurement, etc., and achieve the effect of improving efficiency and safety and improving work efficiency.

Active Publication Date: 2022-03-01
SOUTHEAST UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the monitoring method for the erosion of the rocky sandstone slope is relatively simple, relying on manual measurement and the continuity of monitoring is poor, and it is impossible to measure all-weather

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  • Method for monitoring erosion of soft sandstone side slope
  • Method for monitoring erosion of soft sandstone side slope
  • Method for monitoring erosion of soft sandstone side slope

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Embodiment Construction

[0025] In order to make the technical solutions and advantages of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention:

[0026] A method for monitoring the erosion of a rocky sandstone slope, based on a set of monitoring devices for rocky sandstone slope erosion, including a first anchor rod 11-1, which is perpendicular to the slope of the rocky sandstone slope and inserted inside the rocky sandstone slope, the first The upper end of the anchor rod 11-1 has a first overhanging section overhanging the arsenic sandstone slope;

[0027] The second anchor rod 11-2 is inserted on the rocky sandstone slope perpendicular to the slope surface of the rocky sandstone slope and is located downstream of the first anchor rod 11-1. The upper end of the second anchor rod 11-2 has a second overhanging section overhanging the ...

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Abstract

The invention discloses a soft sandstone side slope erosion monitoring method, based on a set of soft sandstone side slope erosion monitoring device, the device comprises an FBG sensor, a first anchor rod, a second anchor rod and a baffle, the baffle connected with the second anchor rod collects eroded broken rocks and drives the second anchor rod to generate displacement change, and the FBG sensor monitors the displacement change; the demodulation analysis module receives an optical parameter change signal of the FBG sensor; the remote transmission module is used for remotely transmitting the signal data of the demodulation module to a computer; and the computer displays and processes the signal value in real time and gives out early warning judgment. The monitoring method can automatically monitor the erosion change of the soft sandstone slope in real time, and has the advantages of high reliability, high test precision, good stability and the like.

Description

technical field [0001] The invention relates to the field of slope erosion monitoring, in particular to a method for monitoring erosion of arsenic sandstone slopes. Background technique [0002] Pisha sandstone is a kind of loose rock formation, specifically referring to the interbedded rocks composed of thick sandstone, sand shale and argillaceous sandstone in the Paleozoic Permian (about 250 million years) and Mesozoic Triassic, Jurassic and Cretaceous periods , mainly distributed in the bordering area of ​​Shanxi, Shaanxi and Mongolia in the Yellow River Basin, which has the characteristics of turning into mud when it meets water and sand when it meets wind. Based on the above characteristics, the arsenic sandstone is extremely vulnerable to erosion, resulting in serious water and soil loss. According to statistics, the soil erosion modulus in the Pisha sandstone area is about 30,000 to 40,000 t / (km²·a), among which the amount of sediment entering the Yellow River has av...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00E02D5/74
CPCE02D33/00E02D5/74Y02A10/23
Inventor 瞿冯杨才千赵艳兵杨景万春风冯榆晟房顺勤杨小聪
Owner SOUTHEAST UNIV