Physical simulation experiment method and device for monitoring shearing force of earthquake triggering cross section surface

A technology of physical simulation and experimental method, applied in the direction of measuring device, measuring force, geophysical measurement, etc., can solve the problems of prediction and prediction of earthquake hysteresis, etc., and achieve realistic simulation effect, real-time early warning and forecast, and real monitoring curve.

Active Publication Date: 2009-12-23
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology

However, seismic waves appear with the occurrence of earthquakes, and only after the earthquake occurs,

Method used

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  • Physical simulation experiment method and device for monitoring shearing force of earthquake triggering cross section surface
  • Physical simulation experiment method and device for monitoring shearing force of earthquake triggering cross section surface
  • Physical simulation experiment method and device for monitoring shearing force of earthquake triggering cross section surface

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[0017] Earthquake is a mechanical phenomenon of moving along a fault under the action of the crustal plate force. It is a series of mechanical behaviors in which the seismic force gradually overcomes the strength of the fault sliding surface until the rock formation breaks and releases energy. According to the physical simulation experiment method and device for monitoring the shear force of the seismogenic fault plane according to the present invention, the function between the measurable mechanical quantity and the non-measurable mechanical quantity is deduced by using the measurable mechanical quantity based on the principle of limit mechanical equilibrium relationship, that is, the functional relationship between the disturbance force between the seismogenic faults and the shear force of the seismogenic faults is deduced through physical model experiments, thereby solving the problem of unmeasurable natural mechanical systems and avoiding the impact of earthquakes and geolog...

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Abstract

The invention discloses a physical simulation experiment method and a device for monitoring shearing force of an earthquake triggering cross section surface, wherein, a stress sensor is utilized for making a related earthquake zone cross section model as per a certain proportion according to actual topography, so as to carry out internal stress change monitoring; and an earthquake zone cross section mechanical model and a mathematical formula are further combined for calculating the shearing force in the earthquake triggering cross section surface at different stages, thereby drawing a curve of the relation between the shearing force and time and displaying the value of internal stress at any time. The change process of the shearing force of the unpredictable cross section surface is detected by utilizing measurable disturbing force and the corresponding function relation, thereby really realizing advanced and real-time early-warning and forecasting of earthquake disasters. The whole structure is designed reasonably, the use is convenient and the simulation effect is realistic.

Description

technical field [0001] The invention relates to the field of geotechnical engineering earthquake disaster prediction and prediction, in particular to a physical simulation experiment method and an experiment device for monitoring the shear force of an earthquake-generating fault plane. Background technique [0002] Earthquake is a natural phenomenon that can bring huge disasters to human society. Its most prominent feature is its suddenness and shockingly huge destructive power. If the time, location and intensity of future major earthquakes can be accurately predicted, it will undoubtedly greatly reduce the disasters caused by earthquakes to humans and save the lives of countless people living in earthquake-risk areas. Since the 1960s, earthquake prediction, especially mid- and long-term prediction, has made some meaningful progress. In terms of long-term prediction, the most prominent progress is the confirmation of the large earthquake gap at the plate boundary. However,...

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Application Information

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IPC IPC(8): G01V1/00G01L1/00
Inventor 何满潮杨晓杰孙晓明张斌李德建
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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