Unlock instant, AI-driven research and patent intelligence for your innovation.

Three-index early warning method and system for large earthquake magnitude fault slip event

An event and fault technology, applied in seismology, alarms, seismic signal processing, etc., can solve the problems of reducing the practicability of the method, cumbersome, and heavy workload.

Active Publication Date: 2020-03-31
CENT SOUTH UNIV
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A single indicator is often one-sided, and cannot fully monitor and warn disasters; too many indicators, heavy workload, cumbersome, reduce the practicality of the method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Three-index early warning method and system for large earthquake magnitude fault slip event
  • Three-index early warning method and system for large earthquake magnitude fault slip event
  • Three-index early warning method and system for large earthquake magnitude fault slip event

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] The present invention will be further specifically described below in conjunction with the accompanying drawings and specific embodiments.

[0040] A three-indicator early warning method for a large-magnitude fault slip in this embodiment includes the following steps:

[0041] Step 1: If figure 1As shown, a microseismic monitoring system is arranged in the target area; the microseismic monitoring system includes N microseismic sensors; the microseismic sensor needs to have the function of actively transmitting pulse signal / sonic signal / sonic signal, and transmits pulse signal / sonic signal / sonic signal The sensor is equivalent to an active source. In order to ensure that the pulse signal / acoustic signal / acoustic signal emitted by any microseismic sensor can be received by all other sensors, the straight-line distance between any two microseismic sensors meets the requirements of the microseismic sensor pulse signal / acoustic signal / acoustic signal receiving distance. In...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a three-index early warning method for a large earthquake magnitude fault slip event. The method comprises: installing a micro-seismic monitoring system in a target area; collecting the time when each sensor receives the acoustic emission signal, screening out the number of acoustic emission events through a specific method, calculating the real-time wave velocity and seismic source positioning, drawing a time series diagram of the number of acoustic emission events and the wave velocity value, and analyzing the number of acoustic emission events, the change trend of the wave velocity value and the seismic source position information; and summing the change trend values of the three values to predict whether a large earthquake magnitude fault slip event occurs or not. The method is simple and convenient in calculation, high in applicability, simple in operation and high in accuracy.

Description

technical field [0001] The invention belongs to the technical field of microseismic monitoring and early warning, and in particular relates to a three-indicator early warning method and system for large-magnitude fault slip events. Background technique [0002] With the improvement of social productivity, it is the general trend for the mining of mineral resources to go deep into the earth, but at the same time, deep mining will be accompanied by many problems, among which a considerable part of the disasters are caused by fault slippage. How to effectively warn disasters and ensure mine safety has always been the direction of human research. In order to effectively warn disasters, the process of disaster breeding should be effectively monitored. [0003] With the continuous advancement of science and technology, a variety of monitoring indicators have been derived in order to warn mine disasters from different angles and directions. A single indicator is often one-sided a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/10G08B31/00G01V1/28
CPCG01V1/288G08B21/10G08B31/00
Inventor 董陇军陈永超
Owner CENT SOUTH UNIV