CN110426742A - The measurement method of structural plane occurrence - Google Patents
The measurement method of structural plane occurrence Download PDFInfo
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- CN110426742A CN110426742A CN201910734555.1A CN201910734555A CN110426742A CN 110426742 A CN110426742 A CN 110426742A CN 201910734555 A CN201910734555 A CN 201910734555A CN 110426742 A CN110426742 A CN 110426742A
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- angle
- structural plane
- mobile phone
- plane occurrence
- squint
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/087—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the earth magnetic field being modified by the objects or geological structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction
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- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (AREA)
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Abstract
The invention discloses the measurement methods of structural plane occurrence, include the following steps, measured structure face is attached with any attitude by mobile phone, course angle y, pitch angle p and tri- Eulerian angles of roll angle r are measured using the sensor in Android mobile phone, structural plane occurrence squint angle α and true dip angle β numerical value are calculated using course angle y, pitch angle p and roll angle r, the squint angle α being calculated is subjected to codomain playback conversion, obtain final structural plane occurrence squint angle α and true dip angle β numerical value, the present invention provides a kind of measurement methods of the accurate simple structural plane occurrence of measurement.
Description
Technical field
The present invention relates to rock mass mechanics measurement method fields, are more particularly to the measurement method of structural plane occurrence.
Background technique
Existing mechanical geology lining method needs to separate measurement structure face tendency and inclination angle: rock mass discontinuity
Tendency measurement, it usually needs keep the bubble at compass disc center placed in the middle, level disc, then wait the magnetic north needle of shaking steady
Fixed, then read magnetic azimuth data, i.e. structural plane squint angle, and the inclination angle of structural plane measures then will be along structural plane line of dip by sieve
Disk side turns upright, is close to structural plane, and it is placed in the middle that manual setting waits bubble to stablize, and then reads inclination angle scale.When structural plane is hung by the feet
When, then compass is overturn, be close to structural plane, measured by above-mentioned steps, and reverse read is inclined to angle, measurement request structural plane
Have the smooth of certain area to appear.As it can be seen that this method requires height to measuring condition, measurement procedure is cumbersome, and measures
Precision is usually more rough.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of measurement sides of the accurate simple structural plane occurrence of measurement
Method.
To achieve the above object, the present invention provides the following technical scheme that the measurement method of structural plane occurrence, including it is as follows
Step attaches measured structure face by mobile phone with any attitude, measures course angle y, pitching using the sensor in Android mobile phone
Tri- Eulerian angles of angle p and roll angle r, using course angle y, pitch angle p and roll angle r calculating structural plane occurrence squint angle α and very
The squint angle α being calculated is carried out codomain playback conversion by angle of inclination beta numerical value, obtains final structural plane occurrence squint angle α and true
Angle of inclination beta numerical value.
The calculation formula of true dip angle β is β=arccos (cos p cos r) in further step (2).
In further step (2) calculation formula of squint angle α be when mobile phone front upward when, | r | < 90 °, α=
Arctan (cot p sin r), the α that will be calculated is pressedConverted, when mobile phone just
When face-down | r | > 90 °, r is pressedIt is converted, calculated r is substituted intoObtain squint angle α.
The formula of squint angle α codomain playback conversion is in further step (3)
The achievable any attitude measurement structure face occurrence of the present invention in summary, i.e. tendency measurement harmonize water without disc
It is flat, and inclination angle measurement harmonizes vertical and alignment line of dip without disc, only mobile phone plane need to be sticked structural plane with any attitude,
It is i.e. readable to obtain structural plane occurrence tendency and inclination data.
Detailed description of the invention
Fig. 1 is the flow chart of the measurement method of structural plane occurrence.
Specific embodiment
The embodiment of the measurement method of structure of the invention face occurrence is described further referring to Fig.1.
The measurement method of structural plane occurrence, includes the following steps, attaches measured structure face, benefit by mobile phone with any attitude
Course angle y, pitch angle p and tri- Eulerian angles of roll angle r are measured with the sensor in Android mobile phone, utilizes course angle y, pitch angle
P and roll angle r calculates structural plane occurrence squint angle α and true dip angle β numerical value, and the squint angle α being calculated is carried out codomain playback
Conversion, obtain final structural plane occurrence squint angle α and true dip angle β numerical value, wherein the calculation formula of true dip angle β be β=
The calculation formula of arccos (cos p cos r), squint angle α be when mobile phone front upward when, | r | < 90 °, α=arctan (cot
P sin r), the α that will be calculated is pressedConverted, when mobile phone front downward when | r | >
90 °, r is pressedIt is converted, calculated r is substituted intoIt obtains squint angle α, the above-mentioned squint angle α being calculated is subjected to codomain playback conversion,The face occurrence of any attitude measurement structure, i.e. tendency measurement can be realized by the above method
It is horizontal without disc adjustment, and inclination angle measurement harmonizes vertical and is directed at line of dip without disc, it only need to be by mobile phone plane with any
Posture sticks structural plane, i.e., readable to obtain structural plane occurrence tendency and inclination data.
The document that wherein Android mobile phone surveys Eulerian angles records https in following network address: //www.cnblogs.com/
Lianjiehere/p/9177363.html, specially Android mobile phone can be according to magnetometer and accelerometers it can be concluded that mobile phone
Spin matrix, it is only necessary to find out under earth coordinates (xyz respectively corresponds east respectively, north, day), x, y, each comfortable mobile phone of z-axis
Projection under coordinate system, then seek the unit vector of projection), and under normal circumstances, gravity be it is downward, magnetic field is directed to
North and obliquely, then the multiplication cross of gravity and magnetic field vector will obtain transmeridional vector, equally, by up and down direction and
East-west direction vector multiplication cross can obtain the vector in north-south, in mobile phone, rotational order y, x, z.By accelerometer and magnetic force
Meter obtains spin matrix and the matlab code of corresponding Eulerian angles is as follows:
Function { rotation_x, rotation_y, rotation_z }=cal_th (acc, mag)
Ag=acc；% days to
Mg=mag；
H=cross (Mg, Ag, 1)；% east orientation
H=H./norm (H)；
Ag=Ag ,/norm (Ag)；
M=cross (Ag, H, 1)；% north orientation
Temp2={ H, M, Ag }；
Rotation_z=atan2 (- temp2 (1,2), temp2 (2,2))/pi*180；
Rotation_x=asin (temp2 (2,3))/pi*180；
Rotation_y=atan2 (- temp2 (3,1), temp2 (3,3))/pi*180；
End。
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. the measurement method of structural plane occurrence, it is characterized in that: include the following steps,
(1) measured structure face is attached with any attitude by mobile phone, measures course angle y using the sensor in Android mobile phone, bows
Tri- Eulerian angles of elevation angle p and roll angle r.
(2) structural plane occurrence squint angle α and true dip angle β numerical value are calculated using course angle y, pitch angle p and roll angle r.
(3) the squint angle α being calculated is subjected to codomain playback conversion.
(4) final structural plane occurrence squint angle α and true dip angle β numerical value are obtained.
2. the measurement method of structural plane occurrence according to claim 1, it is characterized in that: in step (2) true dip angle β calculating
Formula is β=arccos (cos p cos r).
3. the measurement method of structural plane occurrence according to claim 2, it is characterized in that: in step (2) squint angle α calculating
Formula be when mobile phone front upward when, | r | < 90 °, α=arctan (cot p sin r), the α that will be calculated is pressedConverted, when mobile phone front downward when | r | > 90 °, r is pressedIt is converted, calculated r is substituted intoIt obtains and inclines
To angle α.
4. the measurement method of structural plane occurrence according to claim 3, it is characterized in that: squint angle α codomain is returned in step (3)
Position conversion formula be
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| CN201910734555.1A CN110426742A (en) | 2019-08-09 | 2019-08-09 | The measurement method of structural plane occurrence |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239800A (en) * | 2020-02-26 | 2020-06-05 | 吉林大学 | Interactive auxiliary geophone leveling device and method |
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| CN103162677A (en) * | 2013-03-08 | 2013-06-19 | 马庆勋 | Digital geological compass and method for measuring geological occurrence |
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| CN204064305U (en) * | 2014-07-16 | 2014-12-31 | 中国科学院广州地球化学研究所 | A kind of modularization intelligent geologic compass measured for field geology |
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| CN111239800A (en) * | 2020-02-26 | 2020-06-05 | 吉林大学 | Interactive auxiliary geophone leveling device and method |
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Application publication date: 20191108 |
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