Rock mass quality continuous evaluation method and system by using drill core

A technology for rock mass quality evaluation and rock mass quality, which is applied in material analysis, measuring devices, and earthwork drilling and mining through optical means, and can solve discontinuity, insufficient utilization of drilling cores, locality of evaluation results, etc. problems, achieve the effect of realizing intelligence, long-term preservation and scientific management, and important engineering application value

Inactive Publication Date: 2019-11-05
BACKFILL ENG LAB SHANDONG GOLD MINING TECH CO LTD
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Problems solved by technology

[0004] The inventor found during the research and development process that the existing rock mass quality evaluation methods still have insufficient utilization of drilled cores in the stages of mine exploration, infrastructure construction, and production. The quality evaluation method requires a lot of underground on-site investigation work when there is a tunnel engineering disclosure, and the obtained evaluation results are partial and discontinuous.

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  • Rock mass quality continuous evaluation method and system by using drill core
  • Rock mass quality continuous evaluation method and system by using drill core
  • Rock mass quality continuous evaluation method and system by using drill core

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Embodiment 1

[0050] This embodiment provides a method for continuously evaluating rock mass quality by using drilled cores. The method collects digital core data, divides the minimum measurement range, measures and obtains grading indicators, and performs statistical scoring to realize the visualization of grading results.

[0051] Please refer to the attached figure 1 , the steps of the method for continuously evaluating rock mass quality using the drilled core include:

[0052] S101. Obtain drilling information and core image information, and establish a basic drilling information database and a core image database.

[0053] Please refer to the attached figure 2 , the drilling information includes the drilling number, azimuth, inclination, starting point coordinates and length, etc. The drill hole information is stored in the drill hole basic information database, which is convenient for the classification index to correspond to its real position in space after the rock mass classific...

Embodiment 2

[0096] The present embodiment provides a system for continuously evaluating rock mass quality using drilled cores, the system comprising:

[0097] The data acquisition module is used to obtain drilling information and core image information, and establish a basic drilling information database and a core image database;

[0098] The minimum measurement range division module is used to set the minimum measurement range and divide the entire drilling length range into multiple minimum measurement ranges;

[0099] The grading index calculation module is used to calculate the rock mass quality grading index within each minimum measurement range, and establish a rock formation grading index record database;

[0100] Scoring statistics module, used for scoring and summing all rock mass quality grading indicators in each minimum measurement range based on the RMR rock mass quality grading standard, to obtain all rock mass quality evaluation results in each minimum measurement range; ...

Embodiment 3

[0103] This embodiment provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the following steps are implemented:

[0104] Obtain drilling information and core image information, and establish a database of basic drilling information and a database of core images;

[0105] Set the minimum measurement range and divide the entire drilling length range into multiple minimum measurement ranges;

[0106] Calculate the rock mass quality classification index within each minimum measurement range, and establish a rock formation classification index record database;

[0107] Based on the RMR rock mass quality classification standard, all rock mass quality classification indicators in each minimum measurement range are scored and summed to obtain all rock mass quality evaluation results in each minimum measurement range;

[0108]Based on the two-dimensional cloud image and the three-dimensional image, the ro...

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Abstract

The invention discloses a rock mass quality continuous evaluation method and system by using a drill core. Classification and evaluation of rock mass quality are conducted by using core data, and visualization of evaluation results is achieved. The method comprises the following steps that drill information and core image information are obtained, and a drill basic information database and a coreimage database are established; the minimum measurement ranges are set, and the whole drill length range is divided into multiple minimum measurement ranges; rock mass classification indexes in the minimum measurement ranges are calculated, and a rock layer classification index record database is established; based on the RMR rock mas classification standard, all rock mass classification indexes in all the minimum measurement ranges are graded and summated, and all rock mass evaluation results in all the minimum measurement ranges are obtained; and based on a two-dimensional cloud chart and athree-dimensional cloud chart, visibility processing is conducted on all rock mass evaluation results in all the minimum measurement ranges in the drill whole length range.

Description

technical field [0001] The invention relates to the technical field of rock mass quality evaluation in mining engineering and underground rock engineering, in particular to a method and system for continuously evaluating rock mass quality by using drill cores. Background technique [0002] Rock mass quality evaluation is an important basis for mine engineering design and surrounding rock stability control. Currently, the most widely used rock mass classification methods are Norway's Barton Q classification method, South Africa's RMR classification method, and the BQ classification method written in my country's "Engineering Rock Mass Classification Standards". [0003] At present, the quality evaluation of underground rock mass is mainly carried out on the basis of the investigation of joints and fissures. According to the development of joints and fissures and the distribution of geological structures, typical roadways or stopes in the middle section are selected for invest...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B25/00G01N21/84G01N33/24
CPCE21B25/00G01N21/84G01N33/24
Inventor 刘焕新王剑波赵杰李元辉李桂林安龙徐帅吴钦正
Owner BACKFILL ENG LAB SHANDONG GOLD MINING TECH CO LTD
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