CN106289196A - 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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- CN106289196A CN106289196A CN201610773560.XA CN201610773560A CN106289196A CN 106289196 A CN106289196 A CN 106289196A CN 201610773560 A CN201610773560 A CN 201610773560A CN 106289196 A CN106289196 A CN 106289196A
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
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, by three-dimensional laser scanner, geological disaster district is divided into stand alone, convex, concavo-convex alternate type by different landforms features of terrain, by different scanning mode, different distance monitoring sampling and simplify dot spacing, extract point, line, surface (body) monitoring materials be analyzed.According to Changing Pattern, calculating rate of change (horizontal and vertical), displacement deformation amount, displacement resultant vector direction, quantitative analysis is made in the change to collapse body.
Description
Technical field
The present invention relates to belong to geology slumped mass monitoring technology, be based particularly on the slumped mass ground of three-dimensional laser scanning technique
Matter disaster body 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 collection of three-dimensional data.This technology has Point Measurement precision height, gathers the features such as the density of spatial point is big and speed is fast, and number
Contain the much informations such as objective body reflex strength and color according to, personnel are difficult to the slumped mass ground arrived, danger is higher
The local detail of matter disaster or bulk deformation monitoring are with the obvious advantage, compensate for conventional monitoring methods and cannot arrive, monitor because of personnel
Point lays many deficiencies such as difficulty, can supplement as the one of geological disaster deformation monitoring means.Currently, Three Dimensional Ground laser is swept
The development retouching technology reaches its maturity, and it is widely used at Geological Hazards Monitoring and prevention and control field, is successfully realized fast
The purpose of speed feedback monitoring result.It is therefore proposed that slumped mass Three Dimensional Ground laser scanning monitoring technology, to reach its work unified
The requirement that content, technology are rationally advanced.
Summary of the invention
It is an object of the invention to provide a kind of slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique,
So that for slumped mass geological hazard body provide technical basis, it is achieved quick, comprehensive, in high precision Economic Monitor, have rule to follow.
The object of the present invention is achieved like this, slumped mass geological hazard body monitoring side based on three-dimensional laser scanning technique
Method, is characterized in that: at least comprise the steps:
1st step, layout monitoring target and control target, carry out monitoring for the first time to disaster district with three-dimensional laser scanner；
The three-dimensional laser data that 2nd step, foundation obtain carry out stand alone, convex, concavo-convex alternate type three to disaster district topographical features
Plant and divide；
The three-dimensional laser data that 3rd step, foundation stand alone obtain determine that described stand alone is carried out secondary monitoring point is carried out really
Vertical；
The stand alone secondary monitoring point that 4th step, foundation are established carries out secondary refinement monitoring to stand alone；
5th step, secondary is refined Monitoring Data add in generalized divided data storehouse, geological disaster district；
The three-dimensional laser data that 6th step, foundation convex obtain determine that described convex is carried out secondary monitoring point establishes；
The convex secondary monitoring point that 7th step, foundation are established carries out secondary refinement monitoring to convex；
8th step, secondary is refined Monitoring Data add in generalized divided data storehouse, disaster district；
9th step, the three-dimensional laser data obtained according to concavo-convex alternate type determine described concavo-convex alternate type are carried out secondary monitoring
Point is established；
The concavo-convex alternate type secondary monitoring point that 10th step, foundation are established carries out secondary refinement monitoring to concavo-convex alternate type；
11st step, secondary is refined Monitoring Data add in the data base that disaster district generalized divides concavo-convex alternate type.
Described step 3 carries out secondary monitoring point and carries out establishment described stand alone is by true at four angles of stand alone
Vertical four secondary monitoring points.
Described step 6 carries out secondary monitoring point and carries out establishment described convex is by establishing two at two angles of convex
Individual secondary monitoring point.
Described step 9 carries out secondary monitoring point and carries out establishment described concavo-convex alternate type is by concavo-convex alternate type
Three secondary monitoring points are established at three angles.
Described disaster district is slumped mass vegetation coverage less than 60%, surface slope is more than 15 °.
Described disaster district vegetative coverage uses many echographic between the region of 30%～60%.
Obtain disaster district three-dimensional laser data, three kinds of sides can be extracted by point-like extraction, wire extraction, face or body shape
Formula.
The invention have the advantage that and by three-dimensional laser scanner, geological disaster district is divided into by different landforms features of terrain
Stand alone, convex, concavo-convex alternate type, by different scanning mode, different distance monitoring sampling and simplify dot spacing, extract point,
Line, the monitoring materials of face (body) are analyzed.According to Changing Pattern, calculate rate of change (horizontal and vertical), displacement deformation amount,
Displacement resultant vector direction, quantitative analysis is made in the change to collapse body.
Accompanying drawing explanation
Below in conjunction with embodiment accompanying drawing, the invention will be further described:
Fig. 1 is embodiment of the present invention flow chart of steps；
Fig. 2 is aloft to carry out geological disaster district supervising for the first time by three-dimensional laser scanner by terrestrial air aircraft
Survey, obtain disaster district three-dimensional laser schematic diagram data；
Fig. 3 is that magnanimity Monitoring Data and the modelling figure aloft obtained geological disaster district by three-dimensional laser scanner is entered
Row stand alone, convex, concavo-convex three kinds of division schematic diagrams of alternate type；
Fig. 4 is that by secondary monitoring point, stand alone is carried out secondary monitoring schematic diagram；
Fig. 5 is that by secondary monitoring point, convex is carried out secondary monitoring schematic diagram；
Fig. 6 is that by secondary monitoring point, concavo-convex alternate type is carried out secondary monitoring schematic diagram.
In figure, 1, geological disaster district；2, airborne aircraft；3, three-dimensional laser scanner；4, disaster district；5, stand alone；6、
Convex；7, concavo-convex alternate type.
Detailed description of the invention
As it is shown in figure 1, slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique, it is characterized in that: extremely
Comprise the steps: less
1, control target and monitoring target are laid；Utilize airborne aircraft 2 by three-dimensional laser scanner 3 aloft to geology calamity
Evil district 1 carries out monitoring for the first time, obtains disaster district 4 three-dimensional laser data；Seeing Fig. 2, geological disaster district 1 described in the present invention is
One on a large scale, the interior 3 D laser scanning that can carry out repeatedly zonule, the be described Shi Dui community in the present invention on a large scale
The explanation of territory 3 D laser scanning.
2, according to the three-dimensional laser data obtained, geological disaster district is carried out stand alone 5, convex 6,7 three kinds of concavo-convex alternate type
Divide；See Fig. 2,
3, the three-dimensional laser data obtained according to stand alone 5 determine that described stand alone 5 is carried out secondary monitoring point establishes；
4, according to the stand alone secondary monitoring point established, stand alone is carried out secondary refinement monitoring；
5, secondary refines Monitoring Data add in generalized divided data storehouse, geological disaster district；See Fig. 3
6, the three-dimensional laser data obtained according to convex determine that described convex is carried out secondary monitoring point establishes；
7, according to the convex secondary monitoring point established, convex is carried out secondary refinement monitoring；
8, secondary refines Monitoring Data add in generalized divided data storehouse, geological disaster district；See Fig. 4；
9, the three-dimensional laser data obtained according to concavo-convex alternate type determine that described concavo-convex alternate type carries out secondary monitoring to be clicked on
Row is established；
10, according to the concavo-convex alternate type secondary monitoring point established, concavo-convex alternate type is carried out secondary refinement monitoring；
11, secondary refines Monitoring Data to add in the data base that geological disaster district generalized divides concavo-convex alternate type.
See Fig. 5.
As shown in Figure 4, it is by orphan that described step 3 carry out secondary monitoring point to carry out establishment to described stand alone 5
Four secondary monitoring points are established at vertical 5 four angles of type.
As it is shown in figure 5, described step 6 described convex 6 carries out secondary monitoring point carries out establishment being by convex 6
Two secondary monitoring points are established at two angles.
As shown in Figure 6, described step 9 carry out secondary monitoring point to carry out establishment being to pass through to described concavo-convex alternate type 7
Three secondary monitoring points are established at 7 three angles of concavo-convex alternate type.
Disaster district 4 is slumped mass vegetation coverage less than 60%, surface slope more than 15 °, described disaster district 4 vegetation is covered
Cover the region between 30%～60% and use many echographic.See Fig. 2.
Obtain disaster district 4 three-dimensional laser data, three kinds of sides can be extracted by point-like extraction, wire extraction, face (body) shape
Formula.
Point-like is extracted: choose and identify natural feature points, monitoring target point；Measure natural feature points of many phases, monitoring target
Point three-dimensional coordinate (X, Y, Z)；Calculate natural feature points of many phases, monitoring target point three-dimensional coordinate variable quantity.
Wire is extracted: chooses and identifies nature linear target, or choosing section line according to certain intervals；Measure many phases certainly
So linear target or the section line three-dimensional coordinate (X, Y, Z) of certain intervals and sectional drawing；Calculate nature linear target of many phases,
Or the section line three-dimensional coordinate variable quantity of certain intervals.
Face (body) shape extracts: choose and build collapse body surface, character digital elevation model；Measure avalanche of many phases body surface
The barycentric coodinates in face and the characteristic coordinates of character；Calculate the three dimensional change amount of collapse body of many phases surface, character.
Slumped mass point-like Surveillance on Haemorrhagic should be according to adjacent survey time deflection, tired according to monitoring target or specified point analysis
Its Changing Patterns such as meter deflection analysis, calculate rate of change (horizontal and vertical), displacement deformation amount, displacement resultant vector side
To, quantitative analysis is made in the change to collapse body.
The data analysis of line monitoring is according to many phases or adjacent survey time scanning monitoring section line fit figure, it is judged that on monitoring line
Cross section deformation trend, judges the position that avalanche or accumulation occur, and calculates its value.
The data analysis that face (body) is monitored, according to many phases or adjacent survey time scanning monitoring surface or model superposition, can intuitively reflect
The local detail of whole disaster body or bulk deformation trend, by the deformation value being calculated between face or model, draw vertical
Displacement isogram carries out concrete site analysis.
Claims (7)
1. slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique, is characterized in that: at least include walking as follows
Rapid:
1st step, layout monitoring target and control target, carry out monitoring for the first time to geological disaster district with three-dimensional laser scanner；
2nd step, according to the three-dimensional laser data obtained, geological disaster district topographical features is carried out stand alone, convex, concavo-convex alternate
The division of three kinds of type；
The three-dimensional laser data that 3rd step, foundation stand alone obtain determine that described stand alone is carried out secondary monitoring point is carried out really
Vertical；
The stand alone secondary monitoring point that 4th step, foundation are established carries out secondary refinement monitoring to stand alone；
5th step, secondary is refined Monitoring Data add in generalized divided data storehouse, geological disaster district；
The three-dimensional laser data that 6th step, foundation convex obtain determine that described convex is carried out secondary monitoring point establishes；
The convex secondary monitoring point that 7th step, foundation are established carries out secondary refinement monitoring to convex；
8th step, secondary is refined Monitoring Data add in generalized divided data storehouse, geological disaster district；
9th step, the three-dimensional laser data obtained according to concavo-convex alternate type determine described concavo-convex alternate type are carried out secondary monitoring
Point is established；
The concavo-convex alternate type secondary monitoring point that 10th step, foundation are established carries out secondary refinement monitoring to concavo-convex alternate type；
11st step, secondary is refined Monitoring Data add in the data base that geological disaster district generalized divides concavo-convex alternate type.
Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique the most according to claim 1, it is special
Levy and be: described step 3 carries out secondary monitoring point and carries out establishment described stand alone is by establishing at four angles of stand alone
Four secondary monitoring points.
Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique the most according to claim 1, it is special
Levy and be: described step 6 carries out secondary monitoring point and carries out establishment described convex is by establishing two at two angles of convex
Secondary monitoring point.
Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique the most according to claim 1, it is special
Levy and be: described step 9 carries out secondary monitoring point and carries out establishment described concavo-convex alternate type is by concavo-convex alternate type three
Three secondary monitoring points are established at individual angle.
Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique the most according to claim 1, it is special
Levy and be: described geological disaster district is slumped mass vegetation coverage less than 60%, surface slope is more than 15 °.
Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique the most according to claim 1, it is special
Levy and be: described geological disaster district vegetative coverage uses many echographic between the region of 30%～60%.
Slumped mass geological hazard body monitoring method based on three-dimensional laser scanning technique the most according to claim 1, it is special
Levy and be: the three-dimensional laser data of acquisition can be extracted by point-like, wire is extracted, face or body shape extract three kinds of modes.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| US20140210947A1 (en) * | 2013-01-30 | 2014-07-31 | F3 & Associates, Inc. | Coordinate Geometry Augmented Reality Process |
| 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 |
| US20150097828A1 (en) * | 2013-10-09 | 2015-04-09 | Trimble Navigation Limited | Method and system for 3d modeling using feature detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20140210947A1 (en) * | 2013-01-30 | 2014-07-31 | F3 & Associates, Inc. | Coordinate Geometry Augmented Reality Process |
| US20150097828A1 (en) * | 2013-10-09 | 2015-04-09 | Trimble Navigation Limited | Method and system for 3d modeling using feature detection |
| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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