CN110670461A - Method for detecting flatness of airport pavement - Google Patents
Method for detecting flatness of airport pavement Download PDFInfo
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- CN110670461A CN110670461A CN201911114743.0A CN201911114743A CN110670461A CN 110670461 A CN110670461 A CN 110670461A CN 201911114743 A CN201911114743 A CN 201911114743A CN 110670461 A CN110670461 A CN 110670461A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a method for detecting the flatness of an airport pavement, which comprises the steps of scanning the pavement of an airport runway through a first three-dimensional scanner to obtain first point cloud data, and comparing the obtained first point cloud data with a first digital elevation model established according to a design drawing through first post-processing software to obtain the flatness deviation of the pavement. Compared with the detection method in the prior art, the detection method for the flatness of the airport pavement disclosed by the scheme has the advantages that the scanning detection speed of the three-dimensional scanner is high, and the flatness detection efficiency of the airport pavement is greatly improved.
Description
Technical Field
The invention relates to the technical field of construction, in particular to a method for detecting the flatness of an airport pavement.
Background
The airport pavement is a one-layer or multi-layer artificial structure paved on the natural soil foundation and the top surface of a base layer by using road building materials, and is a plateau for taking off, landing, sliding, maintaining and parking of airplanes.
The flatness of the airport pavement is the deviation of the runway surface relative to a design plane, and plays a decisive role in the dynamic performance, the driving quality and the dynamic load of the airplane during sliding.
In the prior art, the flatness of the airport pavement is detected by measuring the pavement with a three-meter ruler. Specifically, three meters of straight scales are placed on the road surface, the gap between the bottom surface of each straight scale and the road surface is visually observed, then the clearance height is measured by a clearance gauge with height marked lines, and whether the flatness of each 30 m-30 m range of the airport road surface is within an error range of 3mm or not is detected. If the flatness within every 30m x 30m is within the error range of 3mm, the flatness is satisfactory, and if the flatness within every 30m x 30m is not within the error range of 3mm, the flatness is unsatisfactory.
According to the method for detecting the flatness of the airport pavement, the airport pavement is divided into a plurality of 30 m-30 m areas, and each 30 m-30 m area is detected, so that the time consumed by detecting the flatness of the airport pavement is long, and the detection efficiency of the flatness of the airport pavement is low.
Therefore, how to improve the detection efficiency of the flatness of the airport pavement becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a method for detecting the flatness of an airport pavement, so as to improve the detection efficiency of the flatness of the airport pavement.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for detecting the flatness of an airport pavement comprises the following steps:
1) establishing a first digital elevation model of a runway surface of an airport runway according to a plan;
2) setting a plurality of first station testing points on a construction control network of the airport runway;
3) a first three-dimensional scanner is arranged on the first station, and the first three-dimensional scanner acquires first point cloud data of the road surface;
4) and comparing the first point cloud data with the first digital elevation model through first post-processing software to obtain the flatness deviation of the road surface.
Preferably, in the method for detecting the flatness of the airfield pavement, the method further includes:
a step 11) located between said step 1) and said step 2) encrypts said control network.
Preferably, in the above method for detecting the flatness of the airport pavement, in step 2), the distance between adjacent first stations is not greater than 30 m.
Preferably, the method for detecting the flatness of the airport pavement further comprises the step 01) of performing construction measurement on the pavement foundation of the airport runway before the step 1).
Preferably, in the above method for detecting flatness of an airfield pavement, the step 01) includes the steps of:
011) establishing a second digital elevation model of the pavement foundation;
012) setting a plurality of second station measuring points on the construction control network of the airport runway;
013) distributing a second three-dimensional scanner on the second station, wherein the second three-dimensional scanner acquires second point cloud data of the pavement foundation;
014) comparing the second point cloud data with the second digital elevation model through second post-processing software to obtain the overbreak and underexcavation size of the pavement foundation;
015) filling and digging construction is carried out on the pavement foundation at the position beyond the back digging position;
016) repeating steps 013) -015) until the pavement base at the overbreak position conforms to the second digital elevation model.
Preferably, in the method for detecting the flatness of the airport pavement, in the step 12), a distance between adjacent second measurement stations is not greater than 30 m.
Preferably, the method for detecting the flatness of the airport pavement further comprises a step 02) between the step 01) and the step 1) of performing settlement deformation monitoring and section detection on the runway slot of the airport runway.
Preferably, in the above method for detecting flatness of an airfield pavement, the step 02) includes the steps of:
021) establishing a three-dimensional model of the channel, and inputting design parameters of the three-dimensional model into a third three-dimensional scanner;
022) setting a plurality of third station testing points on the construction control network of the airport runway;
023) distributing a third three-dimensional scanner on the third station, wherein the third three-dimensional scanner acquires third point cloud data of the road groove;
024) comparing the third point cloud data with the design parameters input by the third three-dimensional scanner through third post-processing software to obtain section data of the road groove;
025) arranging a total station at the third observation point, and carrying out settlement observation on the road channel by using the total station to obtain settlement data;
026) carrying out construction treatment on the section position and the settlement position of the road groove;
027) repeating the steps 023) -026) until the road groove conforms to the three-dimensional model.
Preferably, in the method for detecting the flatness of the airport pavement, in step 22), the distance between adjacent third stations is not greater than 30 m.
As can be seen from the above technical solution, the present invention provides a method comprising the steps of:
1) establishing a first digital elevation model of a runway surface of an airport runway according to a plan;
2) arranging a plurality of first station testing points on a construction control network of an airport runway;
3) a first three-dimensional scanner is arranged on a first test station, and the first three-dimensional scanner acquires first point cloud data of a road surface;
4) and comparing the first point cloud data with the first digital elevation model through first post-processing software to obtain the flatness deviation of the road surface.
According to the scheme, the first three-dimensional scanner is used for scanning the pavement of the airport runway to obtain first point cloud data, and the obtained first point cloud data are compared with a first digital elevation model established according to a design drawing through first post-processing software to obtain the flatness deviation of the pavement. Compared with the detection method in the prior art, the detection method for the flatness of the airport pavement disclosed by the scheme has the advantages that the scanning detection speed of the three-dimensional scanner is high, and the flatness detection efficiency of the airport pavement is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for detecting the flatness of an airfield pavement according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a method for detecting the flatness of a runway surface according to a second embodiment of the present invention;
fig. 3 is a flowchart of a method for detecting the flatness of an airfield pavement according to a third embodiment of the present invention;
FIG. 4 is a flow chart of a construction survey of a runway foundation for an airport runway according to an embodiment of the present invention;
fig. 5 is a flowchart of a method for detecting the flatness of an airfield pavement according to a fourth embodiment of the present invention;
fig. 6 is a flowchart of settlement deformation monitoring and section detection performed by a runway slot of an airport runway according to an embodiment of the present invention.
Detailed Description
The invention discloses a method for detecting the flatness of an airport pavement, which aims to improve the detection efficiency of the flatness of the airport pavement.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a method for detecting the flatness of an airport pavement, which comprises the following steps:
1) establishing a first digital elevation model of a runway surface of an airport runway according to a plan;
2) arranging a plurality of first station testing points on a construction control network of an airport runway;
3) a first three-dimensional scanner is arranged on a first test station, and the first three-dimensional scanner acquires first point cloud data of a road surface;
4) and comparing the first point cloud data with the first digital elevation model through first post-processing software to obtain the flatness deviation of the road surface.
The runway surface of the airport runway is the surface of the airport runway, which is directly contacted with the airplane wheel and the atmosphere of the airplane, and can bear the vertical stress, horizontal force and impact force of the airplane load.
According to the scheme, the first three-dimensional scanner is used for scanning the pavement of the airport runway to obtain first point cloud data, and the obtained first point cloud data are compared with a first digital elevation model established according to a design drawing through first post-processing software to obtain the flatness deviation of the pavement.
Compared with the detection method in the prior art, the detection method for the flatness of the airport pavement disclosed by the scheme has the advantages that the scanning detection speed of the three-dimensional scanner is high, and the flatness detection efficiency of the airport pavement is greatly improved.
In order to further improve the precision of the detection of the flatness of the airport pavement, the scheme further comprises a step 11), wherein the step 11) is an encryption control network.
Step 11) the first station in step 2) between step 1) and step 2) is set on the confidential control network, correspondingly, the density of the first station is relatively increased, the detection precision of the airport pavement is enhanced,
the scheme has certain requirements on the setting density of the first station to ensure that the acquired data density of the airport pavement meets the detection requirements.
Specifically, the distance between adjacent first measurement stations is not more than 30 m.
In order to further improve the precision of detecting the flatness of the airport pavement, it is required to firstly ensure that the construction of the pavement foundation meets the requirements of a design drawing. Therefore, the method for detecting the airport pavement evenness provided by the scheme adds construction measurement on the pavement foundation.
Specifically, the construction measurement of the pavement foundation comprises the following steps:
011) establishing a second digital elevation model of the pavement foundation;
012) arranging a plurality of second station testing points on a construction control network of the airport runway;
013) distributing a second three-dimensional scanner on a second station, wherein the second three-dimensional scanner acquires second point cloud data of the pavement foundation;
014) comparing the second point cloud data with the second digital elevation model through second post-processing software to obtain the overbreak and underexcavation size of the pavement foundation;
015) filling and digging construction is carried out on the road surface foundation at the position exceeding the back digging position;
016) repeating the steps 013) -015) until the pavement base at the overbreak position meets the second digital elevation model.
And 014), generating an analysis chart according to the obtained overbreak and undermine size of the road surface foundation, and generating an analysis report. The report shows the compliance of the road surface foundation and the design drawing.
And 11) enabling the road surface foundation to meet the requirements of the design drawing.
The runway foundation is a structural layer arranged below a runway pavement or a shoulder, mainly bears the airplane load transmitted by the runway pavement and transmits the airplane load to the soil foundation. The soil foundation is a soil foundation which is compacted, uniform, compact and stable according to technical requirements or reaches design requirements after special treatment under the road surface and the road shoulder of the airport runway.
The scheme has certain requirements on the setting density of the second measuring station so as to ensure that the acquired data density of the pavement foundation reaches the detection requirement.
Specifically, the distance between adjacent second measurement stations is not more than 30 m.
Preferably, the second test station and the first test station are the same test station, and the test is performed on the same airport runway, so that the test station does not need to be repeatedly set.
Correspondingly, the second three-dimensional scanner and the first three-dimensional scanner are also the same three-dimensional scanner, and the three-dimensional scanner for detecting the pavement foundation does not need to be independently arranged, so that the cost of the method for detecting the pavement evenness of the airport is reduced to a certain extent.
In order to ensure the safety of the airport pavement, necessary settlement deformation monitoring is needed to be carried out in the construction process of the pavement groove so as to control the later leveling of the pavement. The road groove is a shallow groove constructed on the soil foundation according to the design requirement.
In the scheme, a step 02) is additionally arranged between the step 01) and the step 1), and the step 02) is used for carrying out settlement deformation monitoring and section detection on a road groove of an airport runway.
In a specific embodiment of the present solution, step 02) includes:
021) establishing a three-dimensional model of the road groove, and inputting design parameters of the three-dimensional model into a third three-dimensional scanner;
022) setting a plurality of third station testing points on a construction control network of the airport runway;
023) a third three-dimensional scanner is arranged on a third test station, and the third three-dimensional scanner acquires third point cloud data of the road groove;
024) comparing the third point cloud data with design parameters input by a third three-dimensional scanner through third post-processing software to obtain section data of the road groove;
025) laying a total station at a third observation point, and carrying out settlement observation on the road channel by the total station to obtain settlement data;
026) carrying out construction treatment on the section position and the settlement position of the road groove;
027) repeating the steps 023) -026) until the groove conforms to the three-dimensional model.
024) and 025) utilizing a third three-dimensional scanner to detect the sections of the road groove at certain intervals, utilizing a total station to perform settlement observation on point positions distributed at certain density of the road groove so as to find whether the road groove has abnormal settlement and sections and generate a detection report.
The scheme has certain requirements on the setting density of the third testing station so as to ensure that the data density of the collected channel reaches the detection requirement.
Specifically, the distance between adjacent third stations is not more than 30 m.
Preferably, the second test station, the third test station and the first test station are the same test station, and the test stations do not need to be repeatedly set because the test stations are the same airport runway.
Correspondingly, the second three-dimensional scanner, the third three-dimensional scanner and the first three-dimensional scanner are also the same three-dimensional scanner, and the three-dimensional scanner for detecting the runway slot does not need to be independently arranged, so that the cost of the detection method for the airport runway flatness is reduced to a certain extent.
The method for detecting the flatness of the airport pavement has higher efficiency and precision, and realizes complete and accurate construction control and detection.
The first post-processing software, the second post-processing software and the third post-processing software disclosed by the scheme are common software in the prior art, the processing of the first point cloud data and the first digital elevation model by the first post-processing software, the processing of the second point cloud data and the second digital elevation model by the second post-processing software and the processing of the design parameters input by the third point cloud data and the third three-dimensional scanner are all the prior art, the scheme does not relate to the improvement of the programs of the first post-processing software, the second post-processing software and the third post-processing software, the method is only applied to the detection method of the flatness of the airport pavement by processing the first point cloud data and the first digital elevation model by the first post-processing software, processing the second point cloud data and the second digital elevation model by the second post-processing software and processing the third point cloud data and the design parameters input by the third three-dimensional scanner.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A method for detecting the flatness of an airport pavement is characterized by comprising the following steps:
1) establishing a first digital elevation model of a runway surface of an airport runway according to a plan;
2) setting a plurality of first station testing points on a construction control network of the airport runway;
3) a first three-dimensional scanner is arranged on the first station, and the first three-dimensional scanner acquires first point cloud data of the road surface;
4) and comparing the first point cloud data with the first digital elevation model through first post-processing software to obtain the flatness deviation of the road surface.
2. The method for detecting the flatness of an aircraft runway surface of claim 1, further comprising:
a step 11) located between said step 1) and said step 2) encrypts said control network.
3. The method for detecting the flatness of the airfield pavement according to claim 1, wherein in the step 2), the distance between the adjacent first measuring stations is not more than 30 m.
4. The method for detecting the flatness of the airport pavement according to claim 1, further comprising step 01) of construction measurement of the pavement base of the airport runway before step 1).
5. The method for detecting the flatness of the airfield pavement according to claim 4, wherein the step 01) comprises the steps of:
011) establishing a second digital elevation model of the pavement foundation;
012) setting a plurality of second station measuring points on the construction control network of the airport runway;
013) distributing a second three-dimensional scanner on the second station, wherein the second three-dimensional scanner acquires second point cloud data of the pavement foundation;
014) comparing the second point cloud data with the second digital elevation model through second post-processing software to obtain the overbreak and underexcavation size of the pavement foundation;
015) filling and digging construction is carried out on the pavement foundation at the position beyond the back digging position;
016) repeating steps 013) -015) until the pavement base at the overbreak position conforms to the second digital elevation model.
6. The method for detecting the flatness of the airfield pavement according to claim 5, wherein in the step 12), the distance between the adjacent second stations is not more than 30 m.
7. The method for detecting the flatness of the airport pavement according to claim 4, further comprising a step 02) between the step 01) and the step 1) of performing settlement deformation monitoring and section detection on the runway slot of the airport runway.
8. The method for detecting the flatness of the airfield pavement according to claim 7, wherein the step 02) comprises the steps of:
021) establishing a three-dimensional model of the channel, and inputting design parameters of the three-dimensional model into a third three-dimensional scanner;
022) setting a plurality of third station testing points on the construction control network of the airport runway;
023) distributing a third three-dimensional scanner on the third station, wherein the third three-dimensional scanner acquires third point cloud data of the road groove;
024) comparing the third point cloud data with the design parameters input by the third three-dimensional scanner through third post-processing software to obtain section data of the road groove;
025) arranging a total station at the third observation point, and carrying out settlement observation on the road channel by using the total station to obtain settlement data;
026) carrying out construction treatment on the section position and the settlement position of the road groove;
027) repeating the steps 023) -026) until the road groove conforms to the three-dimensional model.
9. The method for detecting the flatness of the airfield pavement according to claim 8, wherein in the step 22), the distance between the adjacent third stations is not more than 30 m.
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Cited By (4)
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| CN111578827A (en) * | 2020-06-11 | 2020-08-25 | 江苏汉诺威铸业有限公司 | Workpiece surface flatness detection process |
| CN113186789A (en) * | 2021-04-30 | 2021-07-30 | 民航机场建设工程有限公司 | Technical method for improving surface layer performance of cement concrete pavement |
| RU2772062C1 (en) * | 2021-08-17 | 2022-05-16 | Акционерное общество «Проектно-изыскательский и научно-исследовательский институт воздушного транспорта «Ленаэропроект» (АО «ПИИНИИ ВТ«ЛЕНАЭРОПРОЕКТ») | Device for assessing the evenness of the airfield surface |
| CN115323876A (en) * | 2022-07-15 | 2022-11-11 | 东南大学 | Airport cement concrete pavement flatness detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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