Meteorological monitoring system and monitoring system for early warning of rock slope landslide

A technology for rock slope and meteorological monitoring, applied in meteorology, using multiple variables to indicate weather conditions, measuring devices and other directions, can solve problems such as difficulty in determining early warning values, geological disasters, easy to cause landslides, etc., to reduce the difficulty of construction , the effect of reducing monitoring costs and avoiding subjectivity

Inactive Publication Date: 2014-12-24
HONG DA GUO YUAN WUHU RESOURCES & ENVIRONMENTAL CONTROL CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under rainfall conditions, due to the rapid increase of hydrostatic pressure in the tensile cracks on the sliding surface and the trailing edge of the sliding surface, it is easy to cause landslides. Therefore, this type of landslide is significantly affected by hydraulic action, and is sudden and concealed. , often causing large-scale geological disasters due to unnoticed
[0003] At present, the commonly used landslide monitoring system mainly judges whether a landslide is about to occur from the aspects of displacement and stress by installing borehole inclinometers and stress sensors. However, the application costs of borehole inclinometers and stress sensors are relatively high, and displacement When , stress is used as the early warning parameter, its early warning value is difficult to determine, often there is a lot of blindness, which reduces the reliability of early warning results

Method used

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  • Meteorological monitoring system and monitoring system for early warning of rock slope landslide
  • Meteorological monitoring system and monitoring system for early warning of rock slope landslide
  • Meteorological monitoring system and monitoring system for early warning of rock slope landslide

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Embodiment Construction

[0022] Based on the theory of slope hydraulics, the basis for judging slope instability with rainfall intensity as the early warning parameter under the condition of gently inclined bedding rock slope is established, that is, the expression of critical rainfall intensity. The system software is written on the basis and installed in the computing system 10 . The expression of critical rainfall intensity is as follows:

[0023]

[0024] In the formula: q cr is the critical rainfall intensity; G is the weight of the landslide body 1; U is the hydrostatic pressure of the sliding surface 2; V is the hydrostatic pressure of the trailing edge tensile crack 3; α is the inclination angle of the sliding surface 2; cohesion; is the friction angle of sliding surface 2; n is the thickness of sliding surface 2; μ is the water supply degree of sliding surface 2; γ w is the gravity of water; k is the permeability coefficient of sliding surface 2; ω is the runoff coefficient of slope 7;...

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Abstract

The invention discloses a meteorological monitoring system and a meteorological monitoring system for the early warning of rock slope landslide, and belongs to the field of an environment monitoring technology. The meteorological monitoring system comprises a water pressure gage buried on a sliding surface, and a water level indicator arranged at the top of a trailing edge pulling crack; the meteorological monitoring system further comprises a wireless remote system which is connected with the water pressure gauge and the water level indicator through data wires, and an operating system which receives the water pressure monitoring data and water level monitoring data of the wireless remote system. Field monitoring data is transmitted to the operating system through wireless signal transmission, and an early warning value and a field valve can be given simultaneously by a monitoring software in the operating system, therefore the subjectivity of the a man-made set prewarning value can be prevented, and the automatic remote monitoring and landslide forecasting and early warning can be realized. The monitoring system provided by the invention does not need to install a drilling clinometers and a stress sensor based on water level monitoring, therefore the construction difficulty and monitoring cost can be reduced.

Description

technical field [0001] The invention relates to a meteorological monitoring system and a monitoring method for early warning of rock slope landslides, belonging to the technical field of environmental monitoring. Background technique [0002] Gently inclined bedding rock slope, as a type of rock slope, is widely distributed in nature. Under the condition of self-weight stress, this kind of slope can usually maintain a stable state because the inclination angle of the rock layer is smaller than the internal friction angle of the layer, and no obvious slip damage will be caused even if the slope toe is excavated. However, under rainfall conditions, due to the rapid increase of hydrostatic pressure in the tensile cracks on the sliding surface and the trailing edge of the sliding surface, it is easy to cause landslides. Therefore, this type of landslide is significantly affected by hydraulic action, and is sudden and concealed. , often causing large-scale geological disasters w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01W1/02
Inventor 欧哲邹明史春华张艳魏淼刘泽民翟英孟祥争
Owner HONG DA GUO YUAN WUHU RESOURCES & ENVIRONMENTAL CONTROL CO LTD
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