CN110160465A - The scanning mapping method of waste and old pollution plant area is carried out using three-dimensional laser technology - Google Patents
The scanning mapping method of waste and old pollution plant area is carried out using three-dimensional laser technology Download PDFInfo
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- CN110160465A CN110160465A CN201910503572.4A CN201910503572A CN110160465A CN 110160465 A CN110160465 A CN 110160465A CN 201910503572 A CN201910503572 A CN 201910503572A CN 110160465 A CN110160465 A CN 110160465A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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Abstract
The invention discloses the scanning mapping methods that waste and old pollution plant area is carried out using three-dimensional laser technology, include the following steps: step 1, site investigation；Determine the amount of pollutant type, pollution object location, preliminary assessment pollutant；Part dismantles, and the soil of pollutant position exposure is carried out qualitative and quantitative analysis；Step 2 lays monitoring station in the place that pollutant is concentrated；Personnel withdraw 3-D scanning external procedure simultaneously；Step 3, interior industry operation, data model splicing；Step 4, place data, which are mended, to be surveyed；Step 5, model repairing；Step 6, model seal mould；Step 7, ancillary works amount calculate；Step 8 generates Mapping Report.By the detailed spot plane figure of three-dimensional surface sweeping technology to drawing, environment risk point is accurately marked, doubtful high pollution area and doubtful contaminated area is divided, marks position and the property of all contaminants, prevent that secondary pollution occurs in demolishing process.
Description
Technical field
The present invention relates to survey and design method and technology fields, carry out waste and old pollution plant area in particular with three-dimensional laser technology
Scanning mapping method.
Background technique
With economic rapid development, the plot to abandoned site or with reconstruction carries out mapping and becomes increasingly prevalent.
When plot surrounding enviroment complexity: thering is similar electroplate factory, chemical plant region not yet to remove completely, coating factory building is complete to remove, and same
When be stacked with a large amount of building wastes, there are a large amount of chemicals pail packs and plating solid waste in workshop.
Mapping operations there are the problem of and difficult point be concentrated mainly on: first, plant area's partial demolition discards building materials, material
Stack irregular, internal structure is complicated, and space layout is irregular, and solution pool and relevant framework arrange many and diverse, intervisibility situation pole
Difference, turning point and measurement have great difficulty；Second, workshop has a point height, is typically connected with accommodation stairway, moves instrument
Device is inconvenient；Third, without known control point, precision is lower if with gps positioning；4th, if only using total station survey
Station need to be moved repeatedly, and measurement accuracy is greatly lowered；5th, there is soft insecure phenomenon, part soil because of waste pollution in soil
Ground is that loosened soil can not stand；Floor parts are removed, and can not be stood, above situation can not set up instrument and prism；6th, if with
Gps measurement, because building height is uneven, arrangement is compact, and measuring signal may be bad, or even fixed solution can not occurs, very big shadow
Measurement accuracy is rung, or even measuring error occurs；7th, waste tank structural instability, wall is narrow, and general two meter five of height, pond
Inside there are the solution such as a large amount of strong acid, highly basic, if ruler personnel hazard's property is larger to watching using prism sink；8th, for each structures
Highly usable level, steel ruler or total station measure, and because of internal structure complexity, put requirement for instrument and levelling rod
Higher, most positions need the measurement of falling ruler, and then precision is lower for total station survey.If wanting to guarantee that precision, operation difficulty are larger；The
Nine, on-site structures are excessive, if using total station, level measure, the point bit quantity for needing to grab is extremely more, measurement period compared with
It is long, and it is only able to display Position Approximate, it can not accomplish the positional relationship for accurately showing all atural objects.
Summary of the invention
The object of the present invention is to provide the scanning mapping methods that waste and old pollution plant area is carried out using three-dimensional laser technology, to solve
Certainly pollute waste and old plant area mapping difficulty is big, mapping region intervisibility situation is poor, survey crew can not close, the live delay of survey crew
The technical problem of time length.
To achieve the above object, the present invention adopts the following technical scheme: carrying out waste and old pollution factory using three-dimensional laser technology
The scanning mapping method in area, includes the following steps:
Step 1, site investigation；Determine the amount of pollutant type, pollution object location, preliminary assessment pollutant；Part is broken
It tears open, the soil of pollutant position exposure is subjected to qualitative and quantitative analysis；
Step 2 lays monitoring station in the place that pollutant is concentrated；Personnel withdraw 3-D scanning external procedure simultaneously；
Step 3, data model splicing；
Step 4, place data, which are mended, to be surveyed；
Step 5, model repairing；
Step 6, model seal mould；
Step 7, ancillary works amount calculate；
Step 8 generates Mapping Report.
Further, the specific implementation process of step 2 are as follows:
S1 sets up instrument；
S2, target are laid: towards spatial digitizer direction, every website lays quantity and is at least 4 in spherical surface direction；
S3, instrument is ready, establishes engineering scanning file, and writing scan date-time checks that scanner level is inclined
Angle instrument；According to field condition and post-processing results demand sets suitable resolution ratio and quality；S4 starts before scanning by near
Personnel please from target and emphasis scanning area range except；
S5 checks data after completing scanning: checking whether scanning result is normal；Reference sphere and papery target or prism
Whether ball is within measurement range, if has passing pedestrian or barrier to block tested region；
S6, instrument are moved to the next stop, are put in a manner of propulsion and are laid corresponding target；
S7 repeats above-mentioned station transfer step, completes scanning work；
S8, all measurement tasks close instrument after the completion, and Dishwasher, foot prop and reference sphere check self-contained rear receipts
Work.
Further, in the S2 of step 2, when target is laid, the interval between adjacent test station is less than or equal to 20 meters.
Further, in step 2, ground protrusion surrounding is provided with no less than two monitoring stations and carries out multi-angle scanning,
To retain protrusion integrality.
Further, faro350 spatial digitizer is selected to carry out field operation measurement.
Further, select scene carry out point cloud model splicing operation, using Geomagic software carry out model repairing and
Assist the amount of proposing work.
Further, reference sphere placement location and scanner website distance are less than or equal to 12 meters.
Further, site area is at least 3000m2。
Further, step 8 further includes that environmental risk point is marked on generating the spot plane figure in Mapping Report, is divided
Doubtful high pollution area and doubtful contaminated area mark position and the property of all contaminants, prevent that secondary dirt occurs in demolishing process
Dye.
Further, interior field operation survey crew is 1-3 people.
The beneficial effects of the present invention are embodied in:
1, the present invention carries out the scanning mapping method of waste and old pollution plant area using three-dimensional laser technology, passes through three-dimensional surface sweeping skill
Art draws detailed spot plane figure, accurately marks environment risk point, divides doubtful high pollution area and doubtful contaminated area, marks
The position of all contaminants and property prevent that secondary pollution occurs in demolishing process；Calculate live abandoned building, building waste
With the project amounts such as hazardous waste；Live initial data is stored, is got ready for contaminated soil probe.
2, the present invention carries out the scanning mapping method of waste and old pollution plant area using three-dimensional laser technology, by scientific and reasonable
Point arrangement is operated in conjunction with interior industry, available high-precision measurement data.It can be very good the mapping applied to waste and old plant area,
It does not influenced by field surveys region intervisibility situation, also needed survey crew's prolonged stay in severe mapping environment.Drop
Low mapping difficulty, the accuracy for improving mapping, obtained final Mapping Report can directly guiding construction enterprise carry out it is useless
Old plant area's rebuilding construction.
3, time of measuring is short, and required staff is few, and safety cost is high, measures staff far from pollution sources.
4, the continuity in obtained final Mapping Report later period is worth high, it may be assumed that after generation place model is easy to dismantle at any time
Measurement；Auxiliary calculates project amount, and checks at any time in the later period.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification
It is clear that understand through the implementation of the invention.The main object of the present invention and further advantage can be by the description
Specifically noted scheme is achieved and obtained.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the position plane schematic diagram of test station of the present invention；
Fig. 2 is that model just builds schematic diagram；
Fig. 3 is that model mends the schematic diagram after surveying.
Fig. 4 is the mapping flow chart of embodiment.
Fig. 5 is the mapping flow chart of reference examples.
Fig. 6 is that reference examples show result figure.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is only exemplary,
It is only capable of for explanation and illustration technical solution of the present invention, and the limitation to technical solution of the present invention cannot be construed to.
Three-dimensional (3D) laser scanner technique is also known as " outdoor scene reproduction technology ", is middle nineteen nineties in last century to start to occur
A new and high technology, be another item surveying and mapping technology new breakthrough after GPS space positioning system.It is the original using laser ranging
Reason, by the method for high-rate laser scanning survey, large area, high-resolution each point of quick obtaining body surface coordinate
The information such as (x, y, z), reflectivity, color (R, G, B), by these, a large amount of, intensive point information can quickly rebuild out the very color of 1:1
Color " outdoor scene duplication " model provides accurate foundation for work such as subsequent interior industry processing, data analyses.
Embodiment
This measurement plot A Liang Jia enterprise has stopped production for many years, independent of any engineering data in place.Plot south is former
Electroplate factory region is not yet removed completely, is stacked with a large amount of building wastes, existing interior underground tank 3, outdoor ground upper pool 8
A, 1, solid waste pond, electroplating pool 5, leave electroplating effluent in electroplating pool, in workshop there are a large amount of chemicals pail packs with
Solid waste is electroplated；Northern coating factory building is complete to remove, heap amplification quantity building waste.Potential pollution source is predominantly electroplated in plot
With the chemicals of coating production process storage.
Task amount: on-site need to measure GPS control net without control point；About 4000 ㎡ of plant area's positioning measurement range.
The scanning mapping method that waste and old pollution plant area is carried out using three-dimensional laser technology, when this method surveys and draws discarded place,
Encounter that place situation is complicated, space layout is irregular, live the case where there are chemical pollutants.According to the orographic condition in plot and
The need of work of positioning measurement carries out large-area scanning to area is surveyed using ground static three-dimensional scanner.It is positioned according to the plot
The actual needs of measurement, partially liq pond depth carry out independent measurement.Interior industry data edition is carried out according to field data acquisition data
The digital model for forming complete set is arranged, later period positioning pollution source position is facilitated.
Specifically, as shown in figure 4, including the following steps:
Step 1, site investigation；
Step 2,3-D scanning external procedure；
S1 sets up instrument；Station network the optimum layout will be set according to station planning is set, strives for obtaining most with the smallest station quantity that sets
Big area coverage reduces splicing number, under the premise of guaranteeing sample rate.Office after emphasis scanning area Ying Xianyong previewing scan
It improves resolution ratio and is swept with mass parameter progress essence in portion.
S2, target are laid: towards spatial digitizer direction, every website lays quantity and is at least 4 in spherical surface direction；Target cloth
If when, the interval between adjacent test station is less than or equal to 20 meters.Ground protrusion should ensure that no less than two station multi-angles scan,
To retain protrusion integrality.Scanner should be as far as possible far from pollution sources to guarantee personnel safety.This measurement power is each second
295000 points/second, be the 1/4 of total power.Therefore reference sphere placement location and scanner website distance are less than or equal to 12 meters, and intervisibility
It is all right.It is shown in Figure 1.
Reference sphere reference sphere can be placed on home, that is, can guarantee measurement go on smoothly, safety with higher at
This.The scanner erection time is short, no specific demand, and website erection may be located remotely from pollution sources.
S3, instrument is ready, establishes engineering scanning file, and writing scan date-time checks that scanner level is inclined
Angle instrument is to ensure that scanner is horizontal positioned as far as possible, it is proposed that every station all inspection AQL inclinators simultaneously flatten.According to field condition and
Post-processing results demand sets suitable resolution ratio and quality；
S4, before starting to scan by neighbouring personnel please from target and emphasis scanning area range except；
S5 checks data after completing scanning: checking whether scanning result is normal；Reference sphere and papery target or prism
Whether ball is within measurement range, if has passing pedestrian or barrier to block tested region；
S6, instrument are moved to the next stop, are put in a manner of propulsion and are laid corresponding target；
S7 repeats above-mentioned station transfer step, completes scanning work；
S8, all measurement tasks close instrument, Dishwasher, foot prop, reference sphere etc. after the completion, check self-contained rear receipts
Work；Instrumentation only needs calibrated horizontal, and integrated operation is simple.
Step 3, interior industry operation, data model splicing；Shown in referring to figs. 2 and 3:
Scene Point Cloud Processing is mainly used, software operation itself is easy.
Point cloud filtering: by the special calculation of software, the data-optimized processing of phase type scanner automatically removes
Unreasonable noise point.The human-made noises numbers such as pedestrian's automobile sundries in scanning process can also be rejected by artificial mode
According to the clean clearly entire scan point cloud data of acquisition.
Point cloud: full-automatic data splicing can be realized with the reference sphere in automatic identification scanning process.High-precision ginseng
The stitching error of scanner can be minimized by examining ball identification.By with total station and GPS geodetic coordinates control point data with
And the combination of target point data, realize true coordinate conversion, and broad range of data splicing precision can be improved in a manner of adjustment.
Point Yun Peise (this time project does not acquire color): the image acquisition system carried by scanner automatically gives point
Cloud assigns color information, and obtaining colour clearly true to nature as photo can measuring point cloud panorama sketch.It is available to believe containing 7 numerical value
The point cloud data (X.Y.Z.I.R.G.B) of breath.
Step 4, place data, which are mended, to be surveyed；
Step 5, model repairing；
Step 6, model seal mould；
Step 7, ancillary works amount calculate.
One people can complete above-mentioned whole operations, and 2-3 people can accelerate job scheduling.
By the detailed spot plane figure of three-dimensional surface sweeping technology to drawing, environment risk point is accurately marked, doubtful height is divided
Contaminated area and doubtful contaminated area mark position and the property of all contaminants, prevent that secondary pollution occurs in demolishing process；It calculates
The project amounts such as live abandoned building, building waste and hazardous waste；Live initial data is stored, is contaminated soil probe
It gets ready.
Use the scanning mapping method provided in this embodiment that waste and old pollution plant area is carried out using three-dimensional laser technology, time
It amounts to: 14 days: making an on-the-spot survey reconnaissance and establish markstone: 1 day；3-D scanning field operation 3 days；Points cloud Fitting 2 days；Additional survey 1 day；
Model is repaired and is assisted the scale of construction 7 days.This method only has a small amount of field operation, and majority is office operation.Whole instrumentation is simple, surveys
Amount people, which has calibrated horizontal, can be completed.
Comparative example:
Plot A is measured using prior art GPS, total station.
Work flow is shown in Figure 5, it is contemplated that the deadline is 31 days, and preparation data makes an on-the-spot survey reconnaissance: preparing measuring instrument
Device: 1 day；It makes an on-the-spot survey reconnaissance and establishes markstone: 1 day；GPS control measurement and adjustment: 2 days；GPS densified control network and adjustment: 5 days；
Field data collection: 15 days；Interior industry data edition and at figure: 7 days.
Specifically, controlling measurement using the GPS chopped-off head that the method for static GPS survey completes to survey area.It is positioned according to the plot
The actual needs of measurement carries out the encryption of control net using RTK dynamic measurement.Full field, which is carried out, using total station later wants vegetarian refreshments
It acquires (measuring the smashed parts), the digitlization DWG work to form complete set is arranged according to industry data edition in the progress of field data acquisition data
Cheng Ding bitmap.
Field operation operation and the operation of interior industry specifically include:
First, field operation operation:
1.1 control measurements；It surveys area and controls distributing GPS net.Using the principle for being classified gradual control of arranging net.GPS network is along in area
Place the broadest is laid in external road and plot.
1.1.1GPS the reconnaissance netted with laying of markstone；GPS point on the basis of being made an on-the-spot survey on the spot, on the spot according to code requirement
Determine measurement point position.
1.1.1.1 the technical requirements that reconnaissance meets
1. 15 ° of Horizon elevation angle or more does not have barrier in survey station visual field, to avoid satellite-signal is blocked.
2. being selected in the ground having a good transport service convenient for placement GPS receiver and Job Operations, point around GPS point and being convenient to other
The extension translocation of measurement means.
3. in order to avoid the multipath effect of GPS signal, without high-lager building or planar metal in 50 meters around point
Reverberation (such as metal billboard, oil tank, microwave antenna).
4. point should leave high voltage transmission line, 100 meters of substation or more in order to avoid electromagnetic interference, radio interference is left
300 meters of source (such as broadcasting station, television transmitting antenna, microwave relay station, radar) or more, and avoid orientation radar antenna and
The radiation direction of microwave antenna.
5. when reconnaissance, has carried out the tune of the soil property, status of different location in enumeration district, planning purposes etc. for convenient for saving
It looks into, to prevent unnecessary damage in the future.
6. suitably point can be selected in and be completed on permanent short atural object in conjunction with area's status is surveyed, so not only convenient for saving but also
Save human and material resources resource.
7. house entrance must bury 2 or more can phase intercommunication video control point, to meet the needs of engineering construction.
It is required 1.1.1.2 point is embedded
1. prolonged preservation and service precision, GPS control can be reached for the movement and damage that avoid control point point
Point buries permanent markstone, and hole bottom is filled out with rubble when embedded, makes firm by ramming or placing concrete bottom.
2. markstone specification:
Hierarchic network point markstone height should be greater than 0.6 meter, overlying dimension: 0.2m × 0.2m, following size: 0.35m ×
0.35m。
1.1.2.GPS net fieldwork observation
Chopped-off head GPS controls net and uses static observation operation, controls between net figure using the network forming mode of side connection.According to
The point bit distribution of GPS network and required precision, and the traffic conditions in area are surveyed, make optimal simultaneous observation figure and connection side
Formula.Lifting time table according to satellite constellation relative to geometric figure intensity (GDOP) figure and satellite for surveying area simultaneously, selection is most
Good observation period.
The instrument of surveying and mapping calibration authority assay approval that instrument must be assert through country, and within calibrating validity period.
Before per period booting, antenna height is measured, measures a secondary antenna height after shutdown again as check, the value of two secondary antenna height
Mutual deviation is averaged as last no more than 3mm as a result, filling in observation handbook.If mutual deviation transfinites, it should ascertain the reason, do
It handling suggestion and is recorded in observational record out.
Fieldwork observation record handbook is carried out when GPS fieldwork observation, it is main comprising calling the roll, observing date, observation period, day
High, receiver number of line etc..
1.2 measuring the smashed parts
After control is measured, so that it may carry out detail mapping work according to control point.
Second, interior industry operation:
2.1 data processing
2.1.1GPS Measurement and Data Processing are controlled.
E grades of GPS static measurement data processings are divided into Baselines and net adjusted data two parts.
2.1.1.1 Baselines
Baselines are resolved using the software COMPASS that GPS receiver carries, and whole base-line datas are answered synchronized
Ring, free ring and repetition measurement baseline frontier inspection core, and " global positioning system (GPS) measuring technique specification " relevant regulations should be met.
Main technical requirements are as follows:
The synchronous ring of E grades of GPS networks is closed to be no more than with difference:
In formula: σ is error in base line measurement, and unit is millimeter (mm)
D, E grades of GPS network field operation Baseline Surveys are as a result, its independent and closed loops or connecting traverse coordinate mis-tie misclosure WS and each coordinate
Component closes and poor (ω x ω y ω z) Ying Fuhe following formula regulation:
In formula: n is number of edges in close ring；
σ is error in base line measurement, and unit is millimeter (mm)；
2.1.1.2GPS balancing calculation of GPS net
Whole individual baselines of GPS network are constituted closed figures, with threedimensional baseline vector by GPS integral net unconstrined minimization
And its accordingly covariance is as observation information, using the WGS-84 coordinate system three-dimensional coordinate of a point as start of calculation foundation,
Three-dimensional unconstrined minimization is carried out in WGS84 coordinate system.
Correction (V △ X, V △ Y, V △ Z) absolute value of basic lineal vector should meet following formula requirement in unconstrined minimization:
V△X≤3σ；V△Y≤3σ；V△Z≤3σ
In formula: σ is error in base line measurement, and unit is millimeter (mm)
E grades of GPS integral nets constrain adjustments using the coordinate at the control point of the plot coordinate system of translocation as counting
According to progress is whole respectively in the coordinate system of plot constrains adjustment.
In constraint adjustment, the corresponding baselines phase of the correction of basic lineal vector and the unconstrined minimization result after excluding gross error
Relatively absolute value of the difference (dV △ X, dV △ Y, dV △ Z) the Ying Fuhe following formula of correction is answered to require:
dV△X≤2σ；dV△Y≤2σ；dV△Z≤2σ
In formula: σ is error in base line measurement, and unit is millimeter (mm)
2.1.2 broken portion's data processing
First by the detail point data communication of field acquisition to computer, then check that whether there is or not double signs in field measurement data
Point, whether there is or not lacking number points etc., answer time update to the mistake checked, to guarantee the correctness of data processing.For cannot
The culture point of its coordinate is directly measured, should be found out indirectly according to the distance and take-off spot coordinate measured.
By data processing, after detail point coordinate is accurate and complete, further according to field condition institute cartographic sketching, in progress
Industry coding, forms figure joined mark message file.It after generating graphic file in CAD drawing formation system, edits, modify as required, note
The work such as note.
(1) measurement control point is the main foundation of topographic mapping and engineering survey construction lofting, answers accurate table on the diagram
Show.
(2) each grade control point should provide symbol by schema using machine plotting or point position as the geometric center position of symbol
It indicates.
(3) building, structures and main affiliated facility answer Accurate Determining circumference and reflection building knot strictly according to the facts on the spot
Structure feature.
(4) outline of house should be subject to wall base exterior angle, and press construction material and qualitative classification, the annotation number of plies.House should be by
A expression, shanty can be cast out.
(5) building is less than 10cm Shi Keyong straight line with the profile convex-concave of enclosure wall and connects.
(6) affiliated facility of building construction, including corridor, step, gate, door top and pillar (frame), pier etc.
(7) chimney, liquid and solid storage equipment must be by the upper figures of position painted and supplementary data processing on the spot, and configure corresponding symbol
Number.
(8) dregs, waste material, waste residue, building waste position and range are drawn.
2.2 result presentation
Finally showing result is CAD floor plan and sectional view.As shown in Figure 6.
This comparative example time cost is 31 days, and most is outdoor work, and in terms of technical costs: hardware needs to learn
Gps and total station block out need certain experience, need to have experience to cad drawing, and at least 3 people complete measurement work.Because
It is needed in test process to measuring the smashed parts, it is therefore desirable to which personnel are for a long time close to pollution sources.CAD diagram paper can be generated, but survey
Spirogram paper precision has the decision of measuring station number.
To sum up, the scanning mapping method provided by the invention that waste and old pollution plant area is carried out using three-dimensional laser technology, is applicable in
In site area 3000m2Above waste and old plant area of complexity, the operation of test process Instrumental only need calibrated horizontal, integrated operation letter
Single, whole operations can be completed in a people, more than a people can be improved operating speed, the field operation time it is short more importantly: it is outer
Industry measurement safety is good, and personnel do not need to be exposed to for a long time under pollution environment；Data are intuitive；It is easy to dismantle to generate place model
It measures at any time afterwards；Auxiliary calculates project amount, and checks at any time in the later period.
The foregoing is merely the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
The change or replacement that anyone skilled in the art is expected in the technical scope disclosed by the present invention should all be contained
Lid is within protection scope of the present invention.
Claims (10)
1. carrying out the scanning mapping method of waste and old pollution plant area using three-dimensional laser technology, characterized by the following steps:
Step 1, site investigation；Determine the amount of pollutant type, pollution object location, preliminary assessment pollutant；Part dismantles, will
The soil of pollutant position exposure carries out qualitative and quantitative analysis；
Step 2 lays monitoring station in the place that pollutant is concentrated；Personnel withdraw 3-D scanning external procedure simultaneously；
Step 3, data model splicing；
Step 4, place data, which are mended, to be surveyed；
Step 5, model repairing；
Step 6, model seal mould；
Step 7, ancillary works amount calculate；
Step 8 generates Mapping Report.
2. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, the specific implementation process of step 2 are as follows:
S1 sets up instrument；
S2, target are laid: towards spatial digitizer direction, every website lays quantity and is at least 4 in spherical surface direction；
S3, instrument is ready, establishes engineering scanning file, and writing scan date-time checks scanner horizontal inclinometer；
According to field condition and post-processing results demand sets suitable resolution ratio and quality；S4 starts neighbouring personnel before scanning
Please from target and emphasis scanning area range except；
S5 checks data after completing scanning: checking whether scanning result is normal；Reference sphere and papery target or prism ball are
It is no within measurement range, if there is passing pedestrian or barrier to block tested region；
S6, instrument are moved to the next stop, are put in a manner of propulsion and are laid corresponding target；
S7 repeats above-mentioned station transfer step, completes scanning work；
S8, all measurement tasks close instrument after the completion, and Dishwasher, foot prop and reference sphere are knocked off after inspection is self-contained.
3. the scanning mapping method as claimed in claim 2 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, reference sphere placement location and scanner website distance are less than or equal to 12 meters.
4. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, in the S2 of step 2, when target is laid, the interval between adjacent test station is less than or equal to 20 meters.
5. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, in step 2, ground protrusion surrounding is provided with no less than two monitoring stations and carries out multi-angle scanning, to retain protrusion
Object integrality.
6. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, faro350 spatial digitizer is selected to carry out field operation measurement.
7. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, scene is selected to carry out the splicing operation of point cloud model, carries out model repairing and the auxiliary amount of proposing work using Geomagic software
Make.
8. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, site area is at least 3000m2。
9. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, step 8 further includes that environmental risk point is marked on generating the spot plane figure in Mapping Report, divides doubtful high pollution
Area and doubtful contaminated area mark position and the property of all contaminants, prevent that secondary pollution occurs in demolishing process.
10. the scanning mapping method as described in claim 1 for carrying out waste and old pollution plant area using three-dimensional laser technology, feature
It is, interior field operation survey crew is 1-3 people.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029113A (en) * | 2020-12-30 | 2021-06-25 | 镇江市勘察测绘研究院 | Soil mapping method |
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