A method and system for advance prediction of soil collapse in vadose zone

A technology of advanced forecasting and vadose zone, which is applied in the direction of alarms, instruments, measuring devices, etc., can solve the problems of advanced forecasting of difficult subsidence, and achieve the effect of efficient, timely and accurate early warning

Active Publication Date: 2021-03-23
GUIZHOU INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These technologies mainly monitor the occurrence conditions and disease signs of soil subsidence, and qualitatively judge the possibility of subsidence, which makes it difficult for these technical methods to realize the advance prediction of subsidence

Method used

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  • A method and system for advance prediction of soil collapse in vadose zone

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Experimental program
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Embodiment

[0025] Embodiment: A kind of advance prediction system of soil subsidence in air-entrained zone, such as figure 1 As shown, starting from the interface 1 between the soluble rock layer 2 and the soil layer 3, a plurality of soil moisture content sensors 4 (model MS10) pre-buried from bottom to top, and groundwater sensors installed in the soluble rock layer 2 The groundwater level sensor 5 below the level (model is HERO online version), the soil moisture content sensor 4 and the groundwater level sensor 5 are respectively connected to the data receiver 6, and the data receiver 6 is connected to the data transmitter 7, and the data transmitter 7 A data processor 8 is connected, and the data processor 8 is connected with an alarm 9 .

[0026] The distance between adjacent soil moisture content sensors 4 is 20-40 cm, preferably 30 cm.

[0027] The data transmitter 7 and the data processor 8 are wired or wirelessly connected.

[0028] The alarm 9 is a light alarm or an audio ala...

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Abstract

The invention discloses an advanced forecasting method and system for soil mass collapses in aeration zones. The system comprises a plurality of soil mass moisture content sensor and an underground water level sensor, wherein the soil mass moisture content sensors are pre-buried from bottom to top from an interface between a soluble rock stratum and a soil mass layer; the underground water level sensor is arranged below the underground water level in the soluble rock stratum; the soil mass moisture content sensor and the underground water level sensor are respectively connected with a data receiver; the data receiver is connected with a data transmission unit; the data transmission unit is connected with a data processor; and the data processor is connected with an alarm. The method and system are capable of realizing advanced warning of soil mass collapses, so that the warning is efficient, timely and accurate.

Description

technical field [0001] The invention relates to a method and system for advance prediction of karst collapse, in particular to a method and system for advance prediction of soil collapse in an aerated zone. Background technique [0002] Soil subsidence in the vadose zone is a common geological disaster in karst areas in my country, but there is no good technical method for the advance prediction of subsidence disasters. At present, the commonly used methods for monitoring and early warning of soil subsidence disasters are: (1) predicting the possibility of soil subsidence by observing the characteristics and changes of cracks in buildings and ground; (2) using advanced measurement and monitoring technology to monitor Surface deformation to analyze the possibility of soil subsidence; (3) By monitoring the change of water vapor pressure in the cracks of karst pipelines, it is speculated whether there is a possibility of soil subsidence. These technologies mainly monitor the o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D21/02G08B21/10
Inventor 姜伏伟宋海军
Owner GUIZHOU INST OF TECH
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