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CN106932835A - A kind of rock fracture development degree analysis method based on RQD values - Google Patents

A kind of rock fracture development degree analysis method based on RQD values Download PDF

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Publication number
CN106932835A
CN106932835A CN201710239530.5A CN201710239530A CN106932835A CN 106932835 A CN106932835 A CN 106932835A CN 201710239530 A CN201710239530 A CN 201710239530A CN 106932835 A CN106932835 A CN 106932835A
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CN
China
Prior art keywords
rqd values
floor
rqd
rock
values
Prior art date
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Pending
Application number
CN201710239530.5A
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Chinese (zh)
Inventor
李鹏飞
陈秀艳
刘启蒙
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Anhui University of Science and Technology
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Anhui University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Anhui University of Science and Technology filed Critical Anhui University of Science and Technology
Priority to CN201710239530.5A priority Critical patent/CN106932835A/en
Publication of CN106932835A publication Critical patent/CN106932835A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V9/00Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The invention discloses a kind of rock fracture development degree analysis method based on RQD values, belong to Mine Safety in Production technical field, including:Using physical prospecting means, borehole logging data information is obtained and collected;Statistics Seam Roof And Floor RQD values;According to roof and floor RQD values, rock quality proportion is analyzed;Subregion is carried out to Seam Roof And Floor RQD values using Suffer softwares;According to block plan, analyzed area rock fracture development degree.The present invention makes full use of borehole data, by the size of RQD values in the depth bounds of mining area, analysis rock quality, and then sign region rock fracture developmental state more directly perceived to a certain extent, this provides a kind of new thinking and method for coal field research cranny development.

Description

A kind of rock fracture development degree analysis method based on RQD values
Technical field
The present invention relates to Mine Safety in Production technical field, more particularly to a kind of rock fracture development journey based on RQD values Degree analysis method.
Background technology
The method of study of rocks cranny development degree has various, mainly has coring to determine and geophysical prospecting method, sometimes due to Borehole logging data are not made full use of by a variety of causes, time-consuming and effort.The present invention is made full use of and is obtained by geophysical prospecting technology The borehole logging data information for taking, by counting rock stratum RQD value sizes, and according to RQD values and the corresponding relation of rock quality, enters And the development degree of rock fracture is analyzed, for Mine Safety in Production technical field research cranny development provides a kind of new thinking And method.
The content of the invention
1. the purpose of the present invention
For research cranny development provides a kind of new thinking and method in Coal Exploration technical field.
2. technical scheme
To achieve the above object, a kind of rock fracture development degree analysis method based on RQD values of the present invention, the method bag Include:Step A, using physical prospecting means, obtains and collects borehole logging data information;Step B, counts Seam Roof And Floor RQD values;Step Rapid C, according to roof and floor RQD values, analyzes rock quality proportion;Step D, using Suffer softwares to Seam Roof And Floor RQD Value carries out subregion;Step E, according to block plan, analyzed area rock fracture development degree.
The present invention makes full use of borehole data, by the size of RQD values in the depth bounds of mining area, analyzes rock quality, And then region rock fracture developmental state is more intuitively characterized to a certain extent, this is provided for coal field research cranny development A kind of new thinking and method.
Brief description of the drawings
It, for further explanation of the present invention, is the part of the application that the accompanying drawing for illustrating is herein, But the present invention can not be limited.
Fig. 1 is rock fracture development degree analysis method flow chart of the present invention based on RQD values.
Fig. 2A and Fig. 2 B are respectively the main mining coal seam 13-1 tops in certain mining area, base plate RQD value block plans.
Fig. 3 A and Fig. 3 B are respectively the main mining coal seam 4-1 tops in certain mining area, base plate RQD value block plans.
Specific embodiment
Below in conjunction with the accompanying drawings and the example applied of the present invention, the present invention is further described.
Fig. 1 is rock fracture development degree analysis method flow chart of the present invention based on RQD values.As shown in figure 1, the method Including:
Step A, using physical prospecting means, obtains and collects borehole logging data information;
Step B, counts Seam Roof And Floor RQD values;
Step C, according to roof and floor RQD values, analyzes rock quality proportion;
Step D, subregion is carried out using Suffer softwares to Seam Roof And Floor RQD values;
Step E, according to block plan, analyzed area rock fracture development degree.
Below in conjunction with instantiation, above-mentioned each step is explained.
Step A, using physical prospecting means, obtains and collects borehole logging data information.
Step B, counts Seam Roof And Floor RQD values.The main mining coal seam top in certain mining area bottom is counted according to existing borehole data Plate RQD values, as shown in table 1.
The main mining coal seam roof and floor RQD values (%) in certain mining area of table 1
Step C, according to roof and floor RQD values, analyzes rock quality proportion.The main coal mining in certain mining area according to table 1 Layer roof and floor RQD values, carry out data processing, and then obtain each main mining coal seam roof and floor rock quality proportion, such as the institute of table 2 Show.
Each main mining coal seam roof and floor rock quality proportion in certain mining area of table 2
As shown in Table 1, each average RQD values of main mining coal seam roof and floor show that rock quality is poor between 25%~50%. As shown in Table 2,13-1,4-1 roof rock quality are mainly typically, and floor rock quality is generally poor and following.11-2、8、 3rd, 1 Seam Roof And Floor rock quality is mainly poor and following.Be can be seen that by statistics, each main mining coal seam from top to bottom rock matter Amount is gradually deteriorated, and side to reflect and get over development with the increase crack of depth, and each main mining coal seam base plate than top board crack compared with Development.
Step D, subregion is carried out using Suffer softwares to Seam Roof And Floor RQD values.According to each main mining coal seam RQD values and rock Stone quality, using Suffer Software on Drawing region RQD value block plans, is only pushed up with main mining coal seam 13-1,4-1 coal seam in this example As a example by baseplate zone RQD value block plans.It is specifically shown in Fig. 2A, 2B and 3A, 3B.
Step E, according to block plan, analyzed area rock fracture development degree.
According to Fig. 2A, Fig. 2 B contrasts, certain mining area 13-1 roof RQD values are smaller, and rock quality is generally poor or very Difference rank, rock is mostly imperfect, more crushes, and reflects that its roof fracture is more developed.13-1 coal seam floor RQD values are reconnoitring area In the range of fluctuate larger, rock quality general performance is general or preferably, and subregion rock quality is poor, and crack is more developed.
Contrasted from Fig. 3 A, Fig. 3 B, certain mining area 4-1 coal balkstone quality is poor on the whole, subregion rock matter Amount reaches very poor rank, and reflection 4-1 coals balkstone is more crushed, and cranny development is more obvious.4-1 coal seam floors rock develops feelings Condition is similar with top board, and only a few regions rock quality is preferable.
The present invention makes full use of borehole data, by the size of RQD values in the depth bounds of mining area, analyzes rock quality, And then region rock fracture developmental state is more intuitively characterized to a certain extent, this is provided for coal field research cranny development A kind of new thinking and method.
The above instantiation, to the purpose of the present invention, process and beneficial effect are described in detail, and are not used to limit Fixed restriction scope of the invention, all any modification, equivalents within spiritual principles of the invention, made etc., all should wrap It is contained within protection scope of the present invention.

Claims (3)

1. a kind of rock fracture development degree analysis method based on RQD values, it is characterised in that the method includes:
Step A, using physical prospecting means, obtains and collects borehole logging data information;
Step B, counts Seam Roof And Floor RQD values;
Step C, according to roof and floor RQD values, analyzes rock quality proportion;
Step D, subregion is carried out using Suffer softwares to Seam Roof And Floor RQD values;
Step E, according to block plan, analyzed area rock fracture development degree.
2. the rock fracture development degree analysis method of RQD values is based on as claimed in claim 1, it is characterised in that step B In, count Seam Roof And Floor RQD values.
3. the rock fracture development degree analysis method of RQD values is based on as claimed in claim 1, it is characterised in that step D In, according to each main mining coal seam RQD values and rock quality, subregion is carried out to Seam Roof And Floor RQD values using Suffer softwares.
CN201710239530.5A 2017-04-13 2017-04-13 A kind of rock fracture development degree analysis method based on RQD values Pending CN106932835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710239530.5A CN106932835A (en) 2017-04-13 2017-04-13 A kind of rock fracture development degree analysis method based on RQD values

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710239530.5A CN106932835A (en) 2017-04-13 2017-04-13 A kind of rock fracture development degree analysis method based on RQD values

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CN106932835A true CN106932835A (en) 2017-07-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387166A (en) * 2017-08-01 2017-11-24 安徽理工大学 Stope coal seam plate destructing depth real-time system for monitoring and pre-warning and method
CN109598049A (en) * 2018-11-28 2019-04-09 中化地质矿山总局地质研究院 Method for drilling rock fracture development degree and regional rock fracture development rule

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张明旭 等: "《煤矿深部开采地质保障技术研究与应用》", 30 September 2008, 中国矿业大学出版社 *
彭军: "潘集矿区深部13-1煤层顶板工程地质特征及其稳定性评价", 《中国优秀硕士学位论文全文数据库•工程科技I辑》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387166A (en) * 2017-08-01 2017-11-24 安徽理工大学 Stope coal seam plate destructing depth real-time system for monitoring and pre-warning and method
CN109598049A (en) * 2018-11-28 2019-04-09 中化地质矿山总局地质研究院 Method for drilling rock fracture development degree and regional rock fracture development rule
CN109598049B (en) * 2018-11-28 2023-04-07 中化地质矿山总局地质研究院 Method for drilling rock fracture development degree and regional rock fracture development rule

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Inventor after: Liu Qimeng

Inventor after: Li Pengfei

Inventor after: Chen Xiuyan

Inventor before: Li Pengfei

Inventor before: Chen Xiuyan

Inventor before: Liu Qimeng

SE01 Entry into force of request for substantive examination
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RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170707