CN107389555A - A kind of method for analyzing drilling rock mass master joint development direction - Google Patents
A kind of method for analyzing drilling rock mass master joint development direction Download PDFInfo
- Publication number
- CN107389555A CN107389555A CN201710600283.7A CN201710600283A CN107389555A CN 107389555 A CN107389555 A CN 107389555A CN 201710600283 A CN201710600283 A CN 201710600283A CN 107389555 A CN107389555 A CN 107389555A
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- joint
- rock mass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
Abstract
The invention discloses a kind of method for analyzing drilling rock mass master joint development direction, including observed by borehole television, describe ROCK MASS JOINT be inclined to, inclination angle；ROCK MASS JOINT is grouped by tendency azimuth, obtains the average propensity, mean obliquity and joint bar number at each group joint；Drilling ROCK MASS JOINT tendency, inclination angle rose are drawn, and then analyzes the development direction of master joint.The rose diagram of joint is one of mode of Joint Statistics.Method is easy, eye-catching, can more clearly reflect the development direction of master joint, contributes to analyzed area construction, Classification of engineering rock, stability evaluation of rock mass etc..
Description
Technical field
The present invention relates to the analysis of hydraulic engineering geological mapping, is a kind of analysis drilling rock mass master joint development specifically
The method in direction.
Background technology
Region joints development situation is the object of hydraulic engineering geological mapping primary study, and its development characteristics is to Hydraulic Design
Scheme has direct influence, for example seepage is easily triggered in tension joint development region, easily triggers water conservancy project to build to low-angle dip joint along river
Build thing slip etc..Borehole television observation is one of Engineering geophysical exploration conventional method, as shown in figure 1, its general principle is in drilling
Using a kind of special reflecting prism imaging technique, the collection of image and processing are controlled using computer, realize analog-to-digital it
Between conversion, the ring-type image being filmed from conical reflector is converted to hole wall expanded view or block diagram.
This method can the information such as the occurrence of ROCK MASS JOINT, thickness in precise positioning hole.By to the multiple drillings of same engineering
Test, obtain the area substantial amounts of joint attitude development information.
It is existing《Hydraulic and Hydro-Power Engineering physical prospecting code》SL326—2005、《Water power hydraulic engineering physical prospecting code》DL/
The corresponding code of the grades of T5010-2005 and conventional data processing software are general to joint attitude description, and more with longer
The form of length submits achievement, and more comprehensive analysis is not carried out to joint attitude, it is impossible to determines that joint attitude is developed
Advantage.
The content of the invention
It is an object of the present invention to by drawing the ROCK MASS JOINT occurrence rose that drills, to relatively clearly reflection
Go out the direction of master joint, contribute to analyzed area to construct, basis ginseng is provided for Classification of engineering rock, stability evaluation of rock mass
Number.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：One kind analysis drilling rock mass master joint
The method in direction is developed, is comprised the following steps：
A, observed by borehole television, description ROCK MASS JOINT tendency, inclination angle；
B, ROCK MASS JOINT is grouped by tendency azimuth, average propensity, the joint bar number at each group joint is obtained, by azimuth
Packet, average propensity, joint bar number, coordinate file is worked out in a tabular form, draw drilling ROCK MASS JOINT tendency rose；
C, corresponding ROCK MASS JOINT is inclined to azimuthal packet, obtains each group joint mean obliquity, is grouped by azimuth, is average
Tendency, mean obliquity, coordinate file is worked out in a tabular form, draw drilling ROCK MASS JOINT inclination angle rose；
D, the most representational joints development direction of local area is analyzed.
Step A is specifically included：
A1, enter edlin playback to borehole television observations, the color of rock mass, integrated degree, joint hair in peep hole
Educate situation；
A2, the tendency screened in detail, describe every joint, inclination angle；
A3, collect the color of rock mass in hole, integrated degree, joints development situation, the tendency at every joint in a tabular form
And inclination angle.
Step B is specifically included：
B1, to ROCK MASS JOINT by tendency azimuth be [0 °~10 °), [10 °~20 °), [20 °~30 °) ... [350 °~
360 °) it is grouped, obtain average propensity, the joint bar number at each group joint；
B2, it is grouped by azimuth, average propensity, joint bar number, works out coordinate file in a tabular form；
B3, joint average propensity is represented with circumferential orientation, joint bar number is represented with radius length, from [0 °~10 °) group opens
Begin, circumferentially make a mark by each group average propensity azimuth, then from the center of circle to circumference on the point radial direction on, by this
Group joint bar number and institute's certainty ratio chi are made a bit, and this point represents this group of average propensity and joint bar number；
B4, joint tendency rose is drawn, after the point determination of each group, sequentially by the point line of adjacent sets, such as certain group section
Reason is zero, then line returns to the center of circle, then draws from the center of circle and is connected with next group again.
Step C is specifically included：
C1, to ROCK MASS JOINT by tendency azimuth be [0 °~10 °), [10 °~20 °), [20 °~30 °) ... [350 °~
360 °) it is grouped, obtain average propensity, the mean obliquity at each group joint；
C2, it is grouped by azimuth, average propensity, mean obliquity, works out coordinate file in a tabular form；
C3, with circumferential orientation represent joint average propensity, mean obliquity represented with radius length, mean obliquity by the center of circle to
Circumference is 90 ° of 9 parts of deciles；Since C1 packet [0 °~10 °), circumferentially make a note by each group average propensity azimuth
Number, then from the center of circle to circumference on the point radial direction on, made a bit by this group of mean obliquity and institute's certainty ratio chi, this point is
Represent this group of average propensity and mean obliquity；
It is sequentially zero by the point line of adjacent sets, such as certain group mean obliquity, then line returns to after C4, the point of each group determine
The center of circle, then draw from the center of circle and be connected with next group again.
5th, the method in direction is developed in analysis drilling rock mass master joint according to claim 1, it is characterised in that step
D is specifically included：Joint tendency, inclination angle rose are analyzed, reflects the direction of master joint.
Utilize Golden Software Grapher Software on Drawing drilling ROCK MASS JOINT tendency, inclination angle rose.
The beneficial effects of the invention are as follows：The rose diagram of joint is one of mode of Joint Statistics.Method is easy, eye-catching, energy
Enough development directions for relatively clearly reflecting master joint, contribute to analyzed area construction, Classification of engineering rock, rock stability
Evaluation etc..
Brief description of the drawings
Fig. 1 is prior art hole wall image conversion schematic diagram.
Fig. 2 is the borehole television observation image using the method for the present invention.
Fig. 3 is ZK6 joints tendency, the inclination angle rose drawn using the method for the present invention.
Embodiment
The method in the analysis drilling rock mass master joint development direction of the present invention, comprises the following steps：
A, observed by borehole television, description ROCK MASS JOINT tendency, inclination angle；
B, ROCK MASS JOINT is grouped by tendency azimuth, average propensity, the joint bar number at each group joint is obtained, by azimuth
Packet, average propensity, joint bar number, coordinate file is worked out in a tabular form, draw drilling ROCK MASS JOINT tendency rose；
C, corresponding ROCK MASS JOINT is inclined to azimuthal packet, obtains each group joint mean obliquity, is grouped by azimuth, is average
Tendency, mean obliquity, coordinate file is worked out in a tabular form, draw drilling ROCK MASS JOINT inclination angle rose；
D, the most representational joints development direction of local area is analyzed.
Step A is specifically included：
A1, enter edlin playback to borehole television observations, the color of rock mass, integrated degree, joint hair in peep hole
Educate situation；
A2, the tendency screened in detail, describe every joint, inclination angle；
A3, collect the color of rock mass in hole, integrated degree, joints development situation, the tendency at every joint in a tabular form
And inclination angle.
Step B is specifically included：
B1, to ROCK MASS JOINT by tendency azimuth be [0 °~10 °), [10 °~20 °), [20 °~30 °) ... [350 °~
360 °) it is grouped, obtain average propensity, the joint bar number at each group joint；
B2, it is grouped by azimuth, average propensity, joint bar number, works out coordinate file in a tabular form；
B3, joint average propensity is represented with circumferential orientation, joint bar number is represented with radius length, from [0 °~10 °) group opens
Begin, circumferentially make a mark by each group average propensity azimuth, then from the center of circle to circumference on the point radial direction on, by this
Group joint bar number and institute's certainty ratio chi are made a bit, and this point represents this group of average propensity and joint bar number；
B4, joint tendency rose is drawn, after the point determination of each group, sequentially by the point line of adjacent sets, such as certain group section
Reason is zero, then line returns to the center of circle, then draws from the center of circle and is connected with next group again.
Step C is specifically included：
C1, to ROCK MASS JOINT by tendency azimuth be [0 °~10 °), [10 °~20 °), [20 °~30 °) ... [350 °~
360 °) it is grouped, obtain average propensity, the mean obliquity at each group joint；
C2, it is grouped by azimuth, average propensity, mean obliquity, works out coordinate file in a tabular form；
C3, with circumferential orientation represent joint average propensity, mean obliquity represented with radius length, mean obliquity by the center of circle to
Circumference is 90 ° of 9 parts of deciles；Since C1 packet [0 °~10 °), circumferentially make a note by each group average propensity azimuth
Number, then from the center of circle to circumference on the point radial direction on, made a bit by this group of mean obliquity and institute's certainty ratio chi, this point is
Represent this group of average propensity and mean obliquity；
It is sequentially zero by the point line of adjacent sets, such as certain group mean obliquity, then line returns to after C4, the point of each group determine
The center of circle, then draw from the center of circle and be connected with next group again.
Step D is specifically included：Joint tendency, inclination angle rose are analyzed, reflects the direction of master joint.
Utilize Golden Software Grapher Software on Drawing drilling ROCK MASS JOINT tendency, inclination angle rose.
The present invention is observed by borehole television, describes ROCK MASS JOINT tendency, inclination angle；To ROCK MASS JOINT by tendency azimuth point
Group, obtain the average propensity, mean obliquity and joint bar number at each group joint；Draw drilling ROCK MASS JOINT tendency, inclination angle rose
Figure, and then analyze the development direction of master joint.The rose diagram of joint is one of mode of Joint Statistics.Method is easy, eye-catching,
The development direction of master joint can more clearly be reflected, contribute to analyzed area construction, Classification of engineering rock, Rock Slide Stability
Property evaluation etc..
Drilling ROCK MASS JOINT occurrence rose can have pole using Golden Software Grapher mapping softwares
The draw of coordinate diagram (polar), AutoCAD can also be utilized to draw.Utilize the ROCK MASS JOINT occurrence rose point that drills
Analysis determination joint attitude advantage is gentle, steep dip joints development situation, so as to which cumbersome form and word are converted into intuitively
Image achievement, there is important directive significance for overall region joints development feature of holding.
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
To find out certain work area joint attitude development characteristics, TV observation has been carried out to 9 drillings, by taking the ZK6 that drills as an example, solution
It is as follows to release process.
1st, borehole television observation interpretation results
Enter edlin playback, color, integrated degree, the joints development situation of observable rock mass to borehole television observations
Deng (see Fig. 2), ZK6 borehole televisions observation interpretation results are shown in Table 1.
The ZK6 borehole televisions of table 1 observe interpretation results
2nd, joint attitude collects
The joint attitude information of table 1 is extracted, collects and is shown in Table 2.
The ZK6 of table 2 drilling joint attitude summary sheets
| Number at joint | It is inclined to (°) | Inclination angle (°) | Number at joint | It is inclined to (°) | Inclination angle (°) | Number at joint | It is inclined to (°) | Inclination angle (°) |
| 1 | 344 | 64 | 15 | 241 | 76 | 29 | 179 | 81 |
| 2 | 344 | 64 | 16 | 25 | 31 | 30 | 281 | 43 |
| 3 | 50 | 65 | 17 | 234 | 50 | 31 | 281 | 43 |
| 4 | 212 | 25 | 18 | 234 | 50 | 32 | 281 | 43 |
| 5 | 290 | 60 | 19 | 234 | 50 | 33 | 44 | 65 |
| 6 | 290 | 60 | 20 | 234 | 50 | 34 | 294 | 72 |
| 7 | 290 | 60 | 21 | 234 | 50 | 35 | 241 | 80 |
| 8 | 310 | 69 | 22 | 234 | 50 | 36 | 36 | 66 |
| 9 | 165 | 69 | 23 | 234 | 50 | 37 | 30 | 72 |
| 10 | 6 | 64 | 24 | 234 | 50 | 38 | 69 | 67 |
| 11 | 346 | 64 | 25 | 255 | 53 | 39 | 82 | 41 |
| 12 | 329 | 28 | 26 | 281 | 43 | 40 | 350 | 42 |
| 13 | 350 | 42 | 27 | 256 | 77 | 41 | 350 | 42 |
| 14 | 350 | 42 | 28 | 327 | 35 | 42 | 245 | 72 |
3rd, joint attitude information block
(1) ROCK MASS JOINT is grouped at equal intervals by tendency orientation：[0 °~10 °), [10 °~20 °), [20 °~30 °) ...
[350 °~360 °), the average propensity at each group joint, corresponding joint bar number are obtained, is worked out and is preserved azimuth packet, averagely inclines
To, joint bar number documentation form.
(2) ROCK MASS JOINT is grouped at equal intervals by tendency orientation：[0 °~10 °), [10 °~20 °), [20 °~30 °) ...
[350 °~360 °), average propensity, the mean obliquity at each group joint are obtained, works out and preserves azimuth packet, be average propensity, flat
Equal inclination angle documentation form.
The tendency packet of ZK6 drillings joint, average propensity, mean obliquity, joint bar number statistics are shown in Table 3,4.
The tendency packet of the ZK6 of table 3 drillings joint, average propensity, joint bar number statistical form
The tendency packet of the ZK6 of table 4 drillings joint, average propensity, mean obliquity statistical form
4th, joint tendency, inclination angle rose are drawn
Golden Software Grapher softwares are opened, select polar diagram (polar), respectively loading tendency, inclination angle
Coordinate file, selects suitable arrange parameter, is finally depicted as joint attitude rose (see Fig. 3).
5th, joint attitude is analyzed
ZK6 joints tendency, inclination angle rose are analyzed, joint tendency is concentrated mainly on SW230 °~SW250 °, secondly existed
NW280 °~NW290 ° and NW340 °~NW350 °；Dip of joint mainly concentrates 50 °~70 °, 57 ° of mean obliquity.
Above-described embodiment is merely to illustrate the technological thought and feature of the present invention, and its object is to make this area
Interior technical staff is it will be appreciated that present disclosure and implement according to this, it is impossible to only limits the special of the present invention with this embodiment
Sharp scope, i.e., the equal change or modification that all disclosed spirit is made, still fall in the scope of the claims of the present invention.
Claims (6)
- A kind of 1. method for analyzing drilling rock mass master joint development direction, it is characterised in that comprise the following steps：A, observed by borehole television, description ROCK MASS JOINT tendency, inclination angle；B, is obtained by average propensity, the joint bar number at each group joint, is divided by azimuth by the packet of tendency azimuth for ROCK MASS JOINT Group, average propensity, joint bar number, coordinate file is worked out in a tabular form, draw drilling ROCK MASS JOINT tendency rose；C, corresponding ROCK MASS JOINT is inclined to azimuthal packet, obtains each group joint mean obliquity, is grouped by azimuth, averagely inclines To, mean obliquity, coordinate file is worked out in a tabular form, draws drilling ROCK MASS JOINT inclination angle rose；D, the most representational joints development direction of local area is analyzed.
- 2. the method in analysis drilling rock mass master joint development direction according to claim 1, it is characterised in that step A has Body includes：A1, enter edlin playback to borehole television observations, color, integrated degree, the joints development feelings of rock mass in peep hole Condition；A2, the tendency screened in detail, describe every joint, inclination angle；A3, collect the color of rock mass in hole, integrated degree, joints development situation, the tendency at every joint in a tabular form and incline Angle.
- 3. the method in analysis drilling rock mass master joint development direction according to claim 1, it is characterised in that step B has Body includes：B1, to ROCK MASS JOINT by tendency azimuth be [0 °~10 °), [10 °~20 °), [20 °~30 °) ... [350 °~ 360 °) it is grouped, obtain average propensity, the joint bar number at each group joint；B2, it is grouped by azimuth, average propensity, joint bar number, works out coordinate file in a tabular form；B3, joint average propensity is represented with circumferential orientation, joint bar number is represented with radius length, since [0 °~10 °) group, press A mark is circumferentially made at each group average propensity azimuth, then from the center of circle to circumference on the point radial direction on, by the group section Manage bar number and institute's certainty ratio chi are made a bit, and this point represents the average propensity and joint bar number of the group；B4, joint tendency rose is drawn, after the point determination of each group, be by the point line of adjacent sets, such as certain group joint sequentially Zero, then line return to the center of circle, then draw from the center of circle and be connected with next group again.
- 4. the method in analysis drilling rock mass master joint development direction according to claim 1, it is characterised in that step C has Body includes：C1, to ROCK MASS JOINT by tendency azimuth be [0 °~10 °), [10 °~20 °), [20 °~30 °) ... [350 °~ 360 °) it is grouped, obtain average propensity, the mean obliquity at each group joint；C2, it is grouped by azimuth, average propensity, mean obliquity, works out coordinate file in a tabular form；C3, with circumferential orientation represent joint average propensity, mean obliquity is represented with radius length, mean obliquity is by the center of circle to circumference 90 ° of 9 parts of deciles；Since C1 packet [0 °~10 °), circumferentially make a mark by each group average propensity azimuth, then On from the center of circle to circumference on the radial direction of the point, made a bit by this group of mean obliquity and institute's certainty ratio chi, this point represents This group of average propensity and mean obliquity；Be sequentially zero by the point line of adjacent sets, such as certain group mean obliquity after C4, the point of each group determine, then line returns to the center of circle, Then draw from the center of circle and be connected with next group again.
- 5. the method in analysis drilling rock mass master joint development direction according to claim 1, it is characterised in that step D has Body includes：Joint tendency, inclination angle rose are analyzed, reflects the direction of master joint.
- 6. according to the method in any one of Claims 1 to 5 analysis drilling rock mass master joint development direction, its feature exists In, utilize Golden Software Grapher Software on Drawing drilling ROCK MASS JOINT tendency, inclination angle rose.
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Cited By (5)
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| CN109374047A (en) * | 2018-10-15 | 2019-02-22 | 东北大学 | A kind of underground engineering structure characteristics of rock mass rapid measuring analysis method |
| CN109611082A (en) * | 2018-12-29 | 2019-04-12 | 武汉固德超前高新科技研发有限公司 | The diplopore measurement method of borehole television |
| CN109725132A (en) * | 2019-02-21 | 2019-05-07 | 中国石油大学(华东) | Measure a kind of short-cut method of crack figure in straight well core |
| CN110909937A (en) * | 2019-11-21 | 2020-03-24 | 中国矿业大学 | Method for predicting joint development rule of underground concealed coal seam |
| CN111649672A (en) * | 2020-06-12 | 2020-09-11 | 东北大学 | Method for determining joint rock volume joint number based on drilling and shooting technology |
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Inventor after: Si Fuan Inventor after: He Cangao Inventor after: Zhao Jixiang Inventor after: Sun Zhixin Inventor after: Gao Yusheng Inventor after: Wang Qingyu Inventor after: Wang Zhihao Inventor after: Zhang Meiduo Inventor after: Duan Wei Inventor after: Zhou Zhenguang Inventor after: Liu Dongchen Inventor after: Wang Jie Inventor before: Wang Qingyu Inventor before: Sun Zhixin Inventor before: Wang Zhihao Inventor before: Zhang Meiduo Inventor before: Duan Wei Inventor before: Zhou Zhenguang Inventor before: Liu Dongchen Inventor before: Wang Jie Inventor before: He Cangao Inventor before: Zhao Jixiang |
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Application publication date: 20171124 |