Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A detection method based on high-density electrical method for the dominant channel of bedrock fissures

A high-density electrical method and dominant channel technology, applied in the field of bedrock fracture research, can solve the problems of time-consuming model making, inability to carry out field-scale tests, and high production costs, and achieve improved accuracy, high fluidity, and low viscosity sexual effect

Active Publication Date: 2022-04-26
HEFEI UNIV OF TECH
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, this technology is a laboratory-scale test, and the production of the model is time-consuming and expensive. The use of alternative materials to replace the fracture-porous medium makes it impossible to conduct field-scale tests.

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
  • A detection method based on high-density electrical method for the dominant channel of bedrock fissures
  • A detection method based on high-density electrical method for the dominant channel of bedrock fissures
  • A detection method based on high-density electrical method for the dominant channel of bedrock fissures

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0140] When detecting the dominant channel of bedrock fissures, the following steps are included:

[0141] Step 1, construct at least one observation well 7 and a water injection well 4 in the bedrock 3 area, the distance between the observation well and the water injection well 4 is 1m, and then install the water injection pipe 1 above the water injection well 4;

[0142] In the observation well 7, 6 measuring ends of the distributed conductivity meter 6 are arranged at equal intervals from the mouth to the bottom in the vertical direction, and the distance between the adjacent measuring ends is 0.5m; the installation depth of each measuring end is 3.5m, 4.0m, 4.5m, 5.0m, 5.5m and 6.0m;

[0143] In the actual setting of each measurement terminal, considering the simplification of subsequent sampling, recording and data processing, each measurement terminal can be arranged downward from the depth of the groundwater level as the starting point; in this embodiment, the depth of ...

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 detection method based on a high-density electric method for the dominant channel of bedrock fissures, and relates to the technical field of bedrock fissures research. The invention utilizes the relatively high conductivity of sodium chloride solution and its tendency to edge along the bedrock inner fissures According to the natural characteristics of channel flow, the instantaneous rock mass resistivity of each point in the bedrock is monitored multiple times by high-density electrical instruments during the monitoring period, and the rock mass resistivity change rate of each point in the bedrock is calculated, and the rock mass resistivity The distance and depth information corresponding to the peak point of the change rate determines the distribution points of the dominant channel of the fracture, and finally connects the distribution points to obtain accurate shape and spatial position information of the dominant channel of the fracture. The present invention fills the technical gap in the detection of the form of the dominant channel of the crack in the field, and a distributed conductivity meter is installed in the observation well, and the spatial position information of the dominant channel of the crack is corrected through the depth corresponding to the peak point of the change rate of the fluid conductivity, ensuring that the crack Accuracy of dominant channel detection results.

Description

technical field [0001] The invention relates to the technical field of bedrock fissure research, in particular to a method for detecting dominant channels of bedrock fissures. Background technique [0002] Bedrock fissure water is groundwater located in bedrock fissures, and it is also one of the most widely distributed types of groundwater in my country. Seepage in bedrock fissures is the phenomenon of bedrock fissure water moving in bedrock fissures. This phenomenon has a great impact on the stability and safety of dams, slopes, underground caverns and other building structures, and is the main cause of geotechnical engineering disasters. factor. [0003] The dominant channel is the optimal flow channel for bedrock fissure water in the seepage phenomenon of bedrock fissures. Its identification and characterization are the basis and key factors for engineering safety and groundwater resource management and evaluation in quality geotechnical engineering. Identification and ...

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 Patents(China)
IPC IPC(8): G01V3/00
CPCG01V3/00Y02A90/30
Inventor 钱家忠闫永帅马海春马雷骆乾坤邓亚平
Owner HEFEI UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com