CN106289196B - Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique - Google Patents
Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique Download PDFInfo
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- CN106289196B CN106289196B CN201610773560.XA CN201610773560A CN106289196B CN 106289196 B CN106289196 B CN 106289196B CN 201610773560 A CN201610773560 A CN 201610773560A CN 106289196 B CN106289196 B CN 106289196B
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- G—PHYSICS
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
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Abstract
The present invention relates to belong to geology slumped mass monitoring technology, it is based particularly on the slumped mass geological hazard body monitoring method of three-dimensional laser scanning technique, geological disaster area is divided into stand alone, convex, concave-convex alternate type by different landforms features of terrain by three-dimensional laser scanner, by different scanning mode, different distance monitor sampling and simplify a spacing, extract point, line, surface（Body）Monitoring materials analyzed.According to changing rule, rate of change is calculated（It is horizontal and vertical）, displacement deformation amount, displacement resultant vector direction, quantitative analysis is made to the variation of collapse body.
Description
Technical field
The present invention relates to geology slumped mass monitoring technology is belonged to, with being based particularly on the slumped mass of three-dimensional laser scanning technique
Matter disaster bodie monitoring method.
Background technology
Three Dimensional Ground laser scanner technique is a kind of contactless active measurement technology, can carry out large-area high-density space
The acquisition of three-dimensional data.The technology has the characteristics that Point Measurement precision is high, acquisition spatial point density is big and speed is fast, and number
The much informations such as objective body reflected intensity and color are contained in, personnel are difficult to reach, dangerous higher slumped mass
Local detail or the overall deformation monitoring of matter disaster are with the obvious advantage, compensate for conventional monitoring methods because personnel can not reach, monitor
Point lays many deficiencies such as difficulty, can be used as a kind of supplement of geological disaster deformation monitoring means.Currently, Three Dimensional Ground laser is swept
The development for retouching technology has reached its maturity, and is widely used in Geological Hazards Monitoring and prevention and control field, is successfully realized fast
The purpose of fast feedback monitoring result.It is therefore proposed that slumped mass Three Dimensional Ground laser scanning monitoring technology, to reach its unified work
The rationally advanced requirement of content, technology.
Invention content
The slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique that the object of the present invention is to provide a kind of,
To provide technical basis for slumped mass geological hazard body, realization is quick, comprehensive, high-precision Economic Monitor, has rule that can follow.
The object of the present invention is achieved like this, the slumped mass geological hazard body monitoring side based on three-dimensional laser scanning technique
Method, it is characterized in that：Including at least following steps：
1st step, arrangement monitoring target and control target, first time monitoring is carried out with three-dimensional laser scanner to disaster area；
It is alternate that the three-dimensional laser data that 2nd step, foundation obtain carry out stand alone, convex, bumps to disaster area topographical features
Three kinds of divisions of type；
3rd step, the three-dimensional laser data obtained according to stand alone determine that carrying out secondary monitoring to the stand alone clicks through
Row is established；
4th step carries out secondary refinement monitoring according to the secondary monitoring point of stand alone established to stand alone；
5th step adds to secondary refinement monitoring data in geological disaster area generalized divided data library；
The three-dimensional laser data that 6th step, foundation convex obtain determine that carrying out secondary monitoring point to the convex carries out really
It is vertical；
7th step carries out secondary refinement monitoring according to the secondary monitoring point of convex established to convex；
8th step adds to secondary refinement monitoring data in disaster area generalized divided data library；
The three-dimensional laser data that the concave-convex alternate type of 9th step, foundation obtains determine secondary to the alternate type progress of bumps
Monitoring point is established；
10th step monitors the secondary refinement of concave-convex alternate type progress according to the alternate secondary monitoring point of type of bumps established；
11st step adds to secondary refinement monitoring data in the database of the concave-convex alternate type of disaster area generalized point.
3rd step carries out secondary monitoring point to carry out establishment being by true at four angles of stand alone to the stand alone
Stand four secondary monitoring points.
6th step carries out secondary monitoring point to carry out establishment being by establishing two at two angles of convex to the convex
A secondary monitoring point.
] described in the 9th step the alternate type of the described bumps is carried out secondary monitoring point to carry out establishments being by alternate in bumps
Three secondary monitoring points are established at three angles of type.
The disaster area is that slumped mass vegetation coverage is less than 60%, surface slope more than 15 °.
The disaster area vegetative coverage uses more echographics between 30%~60% region.
Disaster area three-dimensional laser data are obtained, three kinds of sides can be extracted by dotted extraction, linear extraction, face or body shape
Formula.
It is an advantage of the invention that：Geological disaster area is divided by different landforms features of terrain by three-dimensional laser scanner
Stand alone, convex, concave-convex alternate type, the sampling monitored by different scanning mode, different distance and simplify a spacing, extraction point,
Line, face（Body）Monitoring materials analyzed.According to changing rule, rate of change is calculated（It is horizontal and vertical）, displacement deformation amount,
Quantitative analysis is made in displacement resultant vector direction to the variation of collapse body.
Description of the drawings
] with reference to embodiment attached drawing, the invention will be further described：
Fig. 1 is flow chart of steps of the embodiment of the present invention；
Fig. 2 is carried out for the first time to geological disaster area in the air by three-dimensional laser scanner by terrestrial air aircraft
Monitoring obtains disaster area three-dimensional laser schematic diagram data；
Fig. 3 is the magnanimity monitoring data obtained in the air to geological disaster area by three-dimensional laser scanner and modelling figure
Shape carries out three kinds of stand alone, convex, concave-convex alternate type division schematic diagrames；
Fig. 4 is to carry out secondary monitoring schematic diagram by secondary monitoring point to stand alone；
Fig. 5 is to carry out secondary monitoring schematic diagram by secondary monitoring point to convex；
Fig. 6 is to carry out secondary monitoring schematic diagram by secondary monitoring point to concave-convex alternate type.
In figure, 1, geological disaster area；2, airborne aircraft；3, three-dimensional laser scanner；4, disaster area；5, stand alone；6、
Convex；7, concave-convex alternate type.
Specific implementation mode
As shown in Figure 1, the slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique, it is characterized in that：Extremely
Include the following steps less：
1, control target and monitoring target are placed；Using airborne aircraft 2 by three-dimensional laser scanner 3 in the air over the ground
Matter disaster area 1 carries out first time monitoring, obtains 4 three-dimensional laser data of disaster area；See Fig. 2, described geological disaster in of the invention
Area 1 is one a wide range of, and being described in a wide range of interior 3 D laser scanning that can carry out multiple zonule, the present invention is pair
The explanation of zonule 3 D laser scanning.
2, stand alone 5, convex 6, concave-convex alternate type 7 three are carried out to geological disaster area according to the three-dimensional laser data obtained
Kind divides；See Fig. 3,
3, the three-dimensional laser data determination obtained according to stand alone 5 carries out secondary monitoring point progress to the stand alone 5
It establishes；
4, secondary refinement is carried out to stand alone according to the secondary monitoring point of stand alone established to monitor；
5, secondary refinement monitoring data are added in geological disaster area generalized divided data library；See Fig. 4；
6, the three-dimensional laser data obtained according to convex determine that carrying out secondary monitoring point to the convex establishes；
7, secondary refinement is carried out to convex according to the secondary monitoring point of convex established to monitor；
8, secondary refinement monitoring data are added in geological disaster area generalized divided data library；See Fig. 5；
9, the three-dimensional laser data obtained according to concave-convex alternate type are determined carries out secondary monitoring to the alternate type of bumps
Point is established；
10, secondary refinement is carried out to concave-convex alternate type according to the alternate secondary monitoring point of type of bumps established to monitor；
11, secondary refinement monitoring data are added in the database of the concave-convex alternate type of geological disaster area generalized point.
See Fig. 6.
As shown in figure 4, the step 3 carries out secondary monitoring point to carry out establishment being by orphan to the stand alone 5
Four secondary monitoring points are established at vertical 5 four angles of type.
As shown in figure 5, the step 6 carries out secondary monitoring point to carry out establishment being by convex 6 to the convex 6
Two secondary monitoring points are established at two angles.
As shown in fig. 6, the step 9 carries out secondary monitoring point to carry out establishment being to pass through to the concave-convex alternate type 7
Three secondary monitoring points are established at concave-convex 7 three angles of alternate type.
Disaster area 4 is that slumped mass vegetation coverage is less than 60%, surface slope more than 15 °, and 4 vegetation of disaster area is covered
It covers and uses more echographics between 30%~60% region.See Fig. 2.
4 three-dimensional laser data of disaster area are obtained, dotted extraction, linear extraction, face can be passed through（Body）Shape extracts three kinds of sides
Formula.
Dotted extraction：Choose and identify natural feature points, monitoring target point；Measure more phase natural feature points, monitoring target
Point three-dimensional coordinate (X, Y, Z)；Calculate more phase natural feature points, monitoring target point three-dimensional coordinate variable quantity.
Threadiness extraction：It chooses and identifies nature linear target, or section line is chosen according to certain intervals；Measure more phases
The section line three-dimensional coordinate (X, Y, Z) and cross-section diagram of natural linear target or certain intervals；Calculate naturally linear mesh of more phases
The section line three-dimensional coordinate variable quantity of mark or certain intervals.
Face（Body）Shape extracts：Choose and build collapse body surface, character digital elevation model；Measure more phase avalanche body surfaces
The barycentric coodinates in face and the characteristic coordinates of character；Calculate more phase collapse bodies surface, character three dimensional change amount.
The dotted Surveillance on Haemorrhagic of slumped mass should be according to the adjacent time deflection, tired surveyed according to monitoring target or specific point analysis
Its changing rule such as deflection analysis is counted, rate of change is calculated（It is horizontal and vertical）, displacement deformation amount, displacement resultant vector side
To making quantitative analysis to the variation of collapse body.
The data analysis of line monitoring judges to monitor on line according to more phases or adjacent survey time scanning monitoring section line fitting figure
Cross section deformation trend, the position to avalanche or accumulation occurs judges, and calculates its magnitude.
Face（Body）The data analysis of monitoring is superimposed according to more phases or adjacent survey time scanning monitoring surface or model, can intuitively be reflected
The local detail or overall deformation trend of entire disaster bodie, are obtained by calculation the deformation value between face or model, draw vertical
Displacement isogram carries out concrete position analysis.
Claims (7)
1. the slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique, it is characterized in that：Including at least following step
Suddenly：
1st step, arrangement monitoring target and control target, first time monitoring is carried out with three-dimensional laser scanner to geological disaster area；
It is alternate that the three-dimensional laser data that 2nd step, foundation obtain carry out stand alone, convex, bumps to geological disaster area topographical features
Three kinds of divisions of type；
The three-dimensional laser data that 3rd step, foundation stand alone obtain determine that carrying out secondary monitoring point to the stand alone carries out really
It is vertical；
4th step carries out secondary refinement monitoring according to the secondary monitoring point of stand alone established to stand alone；
5th step adds to secondary refinement monitoring data in geological disaster area generalized divided data library；
6th step, the three-dimensional laser data obtained according to convex determine that carrying out secondary monitoring point to the convex establishes；
7th step carries out secondary refinement monitoring according to the secondary monitoring point of convex established to convex；
8th step adds to secondary refinement monitoring data in geological disaster area generalized divided data library；
9th step, the three-dimensional laser data determination obtained according to concave-convex alternate type carry out secondary monitoring to the alternate type of bumps
Point is established；
10th step monitors the secondary refinement of concave-convex alternate type progress according to the alternate secondary monitoring point of type of bumps established；
11st step adds to secondary refinement monitoring data in the database of the concave-convex alternate type of geological disaster area generalized point.
2. the slumped mass geological hazard body monitoring method according to claim 1 based on three-dimensional laser scanning technique, special
Sign is：3rd step carries out secondary monitoring point to carry out establishment being by establishing at four angles of stand alone to the stand alone
Four secondary monitoring points.
3. the slumped mass geological hazard body monitoring method according to claim 1 based on three-dimensional laser scanning technique, special
Sign is：6th step carries out secondary monitoring point to carry out establishment being by establishing two at two angles of convex to the convex
Secondary monitoring point.
4. the slumped mass geological hazard body monitoring method according to claim 1 based on three-dimensional laser scanning technique, special
Sign is：9th step carries out secondary monitoring point to carry out establishment being by concave-convex alternate type three to the alternate type of bumps
Three secondary monitoring points are established at a angle.
5. the slumped mass geological hazard body monitoring method according to claim 1 based on three-dimensional laser scanning technique, special
Sign is：The geological disaster area is that slumped mass vegetation coverage is less than 60%, surface slope more than 15 °.
6. the slumped mass geological hazard body monitoring method according to claim 1 based on three-dimensional laser scanning technique, special
Sign is：The geological disaster area vegetative coverage uses more echographics between 30%~60% region.
7. the slumped mass geological hazard body monitoring method according to claim 1 based on three-dimensional laser scanning technique, special
Sign is：The three-dimensional laser data of acquisition extract three kinds of modes by dotted extraction, linear extraction, face or body shape.
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| CN106931953A (en) * | 2017-03-21 | 2017-07-07 | 中国电建集团西北勘测设计研究院有限公司 | A kind of three-dimensional laser scanner monitors the target distribution method of Rockfall hazard |
| CN107218899A (en) * | 2017-06-02 | 2017-09-29 | 北斗卫星导航科技邢台有限公司 | A kind of deformation high-precision intelligent detection method towards subterranean tunnels such as civil air defense works |
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| CN103644896A (en) * | 2013-12-30 | 2014-03-19 | 中国水电顾问集团成都勘测设计研究院有限公司 | Three-dimensional laser scanning-based engineering geological mapping method |
| CN104181548A (en) * | 2014-09-01 | 2014-12-03 | 中国电建集团成都勘测设计研究院有限公司 | Method for monitoring water and soil conservation condition based on three-dimensional laser scanning technology |
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| CN103644896A (en) * | 2013-12-30 | 2014-03-19 | 中国水电顾问集团成都勘测设计研究院有限公司 | Three-dimensional laser scanning-based engineering geological mapping method |
| CN104181548A (en) * | 2014-09-01 | 2014-12-03 | 中国电建集团成都勘测设计研究院有限公司 | Method for monitoring water and soil conservation condition based on three-dimensional laser scanning technology |
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