CN113188526A - Underground pipeline surveying and mapping method based on municipal engineering - Google Patents
Underground pipeline surveying and mapping method based on municipal engineering Download PDFInfo
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- CN113188526A CN113188526A CN202110486149.5A CN202110486149A CN113188526A CN 113188526 A CN113188526 A CN 113188526A CN 202110486149 A CN202110486149 A CN 202110486149A CN 113188526 A CN113188526 A CN 113188526A
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000013507 mapping Methods 0.000 title claims abstract description 32
- 238000007689 inspection Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 238000009933 burial Methods 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 21
- 238000013461 design Methods 0.000 claims description 12
- 238000011835 investigation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 238000013479 data entry Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000012986 modification Methods 0.000 abstract description 7
- 230000004048 modification Effects 0.000 abstract description 7
- 238000007726 management method Methods 0.000 abstract description 6
- 238000003908 quality control method Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/43—Determining position using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
Abstract
The invention discloses an underground pipeline surveying and mapping method based on municipal engineering. In the invention, various data of obvious pipeline points are measured by directly opening the well with a tested steel ruler, and the data are read to be cm by taking meters as a unit; simultaneously, the properties, the pipe diameter (specification), the burial depth, the material, the accessories and the like of the pipeline are found out, and the record is carried out on a record table to be used as the basis of the internal attribute input; the inspection is mainly based on a GPS-RTK method, can vividly express the position, the material and the attribute of the underground pipeline, is more convenient and quicker than a single table and a single graph in the process of modification, and also improves the accuracy of modification. The method shortens the searching time for later-stage pipeline management and maintenance, greatly improves the efficiency of emergency repair, saves the maintenance cost for the country and common people, and simultaneously lays the foundation for city overall planning and tamping. Because quality control is an important guarantee of data quality, including self-checking by operators and the use of pipeline detectors, the accuracy of the method in surveying and mapping is improved.
Description
Technical Field
The invention belongs to the technical field of underground pipeline surveying and mapping, and particularly relates to an underground pipeline surveying and mapping method based on municipal engineering.
Background
In recent years, as socioeconomic construction develops rapidly and the scale of infrastructure is enlarged continuously, the positions and the operation conditions of underground pipelines in many places are unclear and have many blind areas due to the movement and transformation of unit personnel of the original and newly-built underground pipelines, which causes great obstruction to the existing and future construction development. In order to carry out comprehensive management work of underground pipelines in the later social environment in the future smoothly and orderly, the basic conditions, spatial positions, spatial relationships and functional attributes of various existing underground pipelines in a cooperation area need to be mastered, and the operation and maintenance conditions and responsibility subjects of the underground pipelines need to be known, so that surveying and mapping of the underground pipelines are often carried out.
However, the common surveying and mapping method does not investigate the surveying and mapping place according to the actual situation before surveying and mapping, so that the lower pipeline is easily damaged due to mistaken collision in the surveying and mapping process.
Disclosure of Invention
The invention aims to: in order to solve the problems, an underground pipeline surveying and mapping method based on municipal engineering is provided.
The technical scheme adopted by the invention is as follows: a municipal engineering-based underground pipeline surveying and mapping method comprises the following steps:
s1, collecting and arranging the existing mapping data and underground pipeline data in the measuring area range, including related control data and topographic maps of corresponding scales, and design maps of various pipelines, including basic control result data, topographic maps of 1: 500 scales, water supply and drainage network distribution maps, water drainage network distribution maps, thermal pipeline distribution maps, electric power network distribution maps, telecommunication network distribution maps and gas network distribution maps;
s2, directly opening the well to measure various data of the obvious pipeline points by adopting a checked steel ruler, and reading the data to the centimeter in the meter unit; simultaneously, the properties, the pipe diameter (specification), the burial depth, the material, the accessories and the like of the pipeline are found out, and the record is carried out on a record table to be used as the basis of the internal attribute input;
s3, carrying out the on-site investigation of the underground pipeline, and inviting the related personnel of various pipeline management departments and the personnel familiar with the condition of the underground pipeline to participate;
s4, measuring the inner diameter of the circular underground pipeline at the cross section; measuring the width and height of the inner wall of the rectangular pipe ditch and the pipe block section, wherein the unit is millimeter;
s5, when an obvious pipeline point is arranged on the passenger well and only one pipeline point is marked, the pipeline point is arranged at the center of the well cover and on the characteristic point;
s6, the field serial number and the field marking mode are that the pipeline field serial number is composed of a pipeline code number, two letters before the road name and a sequence number, and the field serial number full-measuring area is unique;
s7, recording the trend, connection relation, pipeline point number and survey or detection information of various pipelines on a draft map in detail on an field exploration site, and delivering the data for interior work processing and subsequent surveying and mapping operation after clear arrangement;
s8, after the pipeline point measurement work of each group is finished, inspectors carry out uniform inspection on the measurement results; the inspection is mainly based on a GPS-RTK method, different base stations and different instruments are adopted to inspect the three-dimensional coordinate result of the pipeline point measured in the early stage;
s9, checking the data after the investigation and detection are finished; and classifying and drawing the pipeline points according to the field survey base map, compiling the point numbers according to field survey numbers, classifying and connecting the pipeline trends after drawing is finished, finally performing attribute input work, arranging data and finishing the whole underground pipeline surveying and mapping.
In a preferred embodiment, in step S2, when the pipeline is bent, pipeline points are set at both the starting point and the middle point of the circular arc, the hidden pipeline points are searched, located, deepened and tracked by an instrumental exploration method, and a direct method and an induction method are mainly used for the metal pipeline.
In a preferred embodiment, in step S5, if there is no feature point, the feature points are disposed on the corresponding pipeline points at a distance of not more than 75 m; and a total station polar coordinate method or a GPS-RTK method is adopted for field work to acquire the coordinates of the pipeline points.
In a preferred embodiment, the step S6, when setting the ground pipeline point mark, ensures that the mark is not easy to be destroyed, shifted and identified before the pipeline detection result is accepted.
In a preferred embodiment, in step S8, the planar position is required to have an error of less than + -5 cm during the measurement relative to the adjacent control points and an error of less than + -3 cm during the elevation measurement relative to the adjacent elevation control points.
In a preferred embodiment, in step S9, after the field work is finished, the final data inspection is performed on the total measurement area, and the content includes detection accuracy, measurement accuracy, database entry, pipeline result diagram, and the like; in the inspection process, except that the pipeline construction age cannot be known, other contents all need to meet the design requirements; during detection precision inspection, spot-checked detection points are detected in the field by adopting a re-measurement method, and the detection precision meets the design requirement.
In a preferred embodiment, in step S9, the pipeline points and the probe points 648 are inspected together by plane inspection, and the error in the plane point location is counted to be 0.031 meter, the elevation point location is extracted to be 733 together, and the error in the elevation point location is counted to be 0.018 meter; the method meets the requirements that the error Ms in the point position of a design plane is not more than +/-5 cm, and the error Mh in the elevation measurement is not more than +/-3 cm; the data entry inspection method adopts the comparison of an original questionnaire and a database output result, finds that part of problems belong to entry errors, and corrects the problems.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the inspection is mainly based on a GPS-RTK method, the position, the material and the attribute of the underground pipeline can be visually represented, the method is more convenient and quicker than a single table and a single graph in modification, and the modification accuracy is also improved. The method shortens the searching time for later-stage pipeline management and maintenance, greatly improves the efficiency of emergency repair, saves the maintenance cost for the country and common people, and simultaneously lays the foundation for city overall planning and tamping. Because quality control is an important guarantee of data quality, including self-inspection of operators, inspection of project groups and institutional inspection, and use of pipeline detectors, the accuracy of the method in surveying and mapping is improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.
A municipal engineering-based underground pipeline surveying and mapping method comprises the following steps:
s1, collecting and arranging the existing mapping data and underground pipeline data in the measuring area range, including related control data and topographic maps of corresponding scales, and design maps of various pipelines, including basic control result data, topographic maps of 1: 500 scales, water supply and drainage network distribution maps, water drainage network distribution maps, thermal pipeline distribution maps, electric power network distribution maps, telecommunication network distribution maps and gas network distribution maps;
s2, directly opening the well to measure various data of the obvious pipeline points by adopting a checked steel ruler, and reading the data to the centimeter in the meter unit; simultaneously, properties, pipe diameter specifications, burial depth, materials, accessories and the like of the pipeline are found out, and records are recorded on a record table to serve as the basis of internal attribute recording; in step S2, when the pipeline is bent, pipeline points are set at the starting point and the middle point of the arc, the hidden pipeline points are searched, positioned, depthmed and tracked by using an instrument probing method, and for the metal pipeline, a direct method and an induction method are mainly used;
s3, carrying out the on-site investigation of the underground pipeline, and inviting the related personnel of various pipeline management departments and the personnel familiar with the condition of the underground pipeline to participate;
s4, measuring the inner diameter of the circular underground pipeline at the cross section; measuring the width and height of the inner wall of the rectangular pipe ditch and the pipe block section, wherein the unit is millimeter;
s5, when an obvious pipeline point is arranged on the passenger well and only one pipeline point is marked, the pipeline point is arranged at the center of the well cover and on the characteristic point; in the step S5, if no characteristic point exists, the characteristic points are arranged on corresponding pipeline points, and the distance is not more than 75 meters; collecting the coordinates of the pipeline points by adopting a total station polar coordinate method or a GPS-RTK method in the field;
s6, the field serial number and the field marking mode are that the pipeline field serial number is composed of a pipeline code number, two letters before the road name and a sequence number, and the field serial number full-measuring area is unique; in the step S6, when the ground pipeline point mark is set, the mark is not easy to damage, shift and identify before the pipeline detection result is accepted;
s7, recording the trend, connection relation, pipeline point number and survey or detection information of various pipelines on a draft map in detail on an field exploration site, and delivering the data for interior work processing and subsequent surveying and mapping operation after clear arrangement;
s8, after the pipeline point measurement work of each group is finished, inspectors carry out uniform inspection on the measurement results; the inspection is mainly based on a GPS-RTK method, different base stations and different instruments are adopted to inspect the three-dimensional coordinate result of the pipeline point measured in the early stage; in step S8, it is required that the error in the measurement of the plane position with respect to the adjacent control point is not greater than ± 5cm, and the error in the elevation measurement with respect to the adjacent elevation control point is not greater than ± 3 cm; the inspection is mainly based on a GPS-RTK method, can vividly express the position, the material and the attribute of the underground pipeline, is more convenient and quicker than a single table and a single graph in the process of modification, and also improves the accuracy of modification. The method shortens the searching time for later-stage pipeline management and maintenance, greatly improves the efficiency of emergency repair, saves the maintenance cost for the country and common people, and simultaneously lays the foundation for city overall planning and tamping. Because the quality control is an important guarantee of data quality, including self-inspection of operating personnel, inspection of project groups and institutional inspection, and the use of a pipeline detector, the accuracy of the method in surveying and mapping is improved;
s9, checking the data after the investigation and detection are finished; classifying and drawing the pipeline points according to the field survey base map, compiling the point numbers according to field survey numbers, classifying and connecting the pipeline trends after drawing is finished, finally performing attribute input work, sorting data and finishing the whole underground pipeline surveying and drawing; in step S9, after the field work is finished, performing final data inspection on the total measurement area, wherein the content includes detection accuracy, measurement accuracy, database entry, pipeline result chart and the like; in the inspection process, except that the pipeline construction age cannot be known, other contents all need to meet the design requirements; during detection precision inspection, the spot-inspected detection point is detected in the field by adopting a re-measurement method, and the detection precision meets the design requirement; in step S9, the pipeline points and the probe points 648 are inspected in the planar inspection, and the error in the planar point location is counted to be 0.031 m, and the elevation point location is extracted to be 733 in total, and the error in the elevation point location is counted to be 0.018 m; the method meets the requirements that the error Ms in the point position of a design plane is not more than +/-5 cm, and the error Mh in the elevation measurement is not more than +/-3 cm; the data entry inspection method adopts the comparison of an original questionnaire and a database output result, finds that part of problems belong to entry errors, and corrects the problems.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. An underground pipeline surveying and mapping method based on municipal engineering is characterized in that: the underground pipeline surveying and mapping method based on municipal engineering comprises the following steps:
s1, collecting and arranging the existing mapping data and underground pipeline data in the measuring area range, including related control data and topographic maps of corresponding scales, and design maps of various pipelines, including basic control result data, topographic maps of 1: 500 scales, water supply and drainage network distribution maps, water drainage network distribution maps, thermal pipeline distribution maps, electric power network distribution maps, telecommunication network distribution maps and gas network distribution maps;
s2, directly opening the well to measure various data of the obvious pipeline points by adopting a checked steel ruler, and reading the data to the centimeter in the meter unit; simultaneously, properties, pipe diameter specifications, burial depth, materials, accessories and the like of the pipeline are found out, and records are recorded on a record table to serve as the basis of internal attribute recording;
s3, carrying out the on-site investigation of the underground pipeline, and inviting the related personnel of various pipeline management departments and the personnel familiar with the condition of the underground pipeline to participate;
s4, measuring the inner diameter of the circular underground pipeline at the cross section; measuring the width and height of the inner wall of the rectangular pipe ditch and the pipe block section, wherein the unit is millimeter;
s5, when an obvious pipeline point is arranged on the passenger well and only one pipeline point is marked, the pipeline point is arranged at the center of the well cover and on the characteristic point;
s6, the field serial number and the field marking mode are that the pipeline field serial number is composed of a pipeline code number, two letters before the road name and a sequence number, and the field serial number full-measuring area is unique;
s7, recording the trend, connection relation, pipeline point number and survey or detection information of various pipelines on a draft map in detail on an field exploration site, and delivering the data for interior work processing and subsequent surveying and mapping operation after clear arrangement;
s8, after the pipeline point measurement work of each group is finished, inspectors carry out uniform inspection on the measurement results; the inspection is mainly based on a GPS-RTK method, different base stations and different instruments are adopted to inspect the three-dimensional coordinate result of the pipeline point measured in the early stage;
s9, checking the data after the investigation and detection are finished; and classifying and drawing the pipeline points according to the field survey base map, compiling the point numbers according to field survey numbers, classifying and connecting the pipeline trends after drawing is finished, finally performing attribute input work, arranging data and finishing the whole underground pipeline surveying and mapping.
2. The municipal works based underground pipeline surveying and mapping method according to claim 1, wherein: in step S2, when the pipeline is bent, pipeline points are set at the starting point and the middle point of the arc, the hidden pipeline points are searched, located, deepened and tracked by using an instrument exploration method, and a direct method and an induction method are mainly used for the metal pipeline.
3. The municipal works based underground pipeline surveying and mapping method according to claim 1, wherein: in the step S5, if no characteristic point exists, the characteristic points are arranged on corresponding pipeline points, and the distance is not more than 75 meters; and a total station polar coordinate method or a GPS-RTK method is adopted for field work to acquire the coordinates of the pipeline points.
4. The municipal works based underground pipeline surveying and mapping method according to claim 1, wherein: in the step S6, when the ground pipeline point mark is set, it is ensured that the mark is not easy to be destroyed, shifted and identified before the pipeline detection result is accepted.
5. The municipal works based underground pipeline surveying and mapping method according to claim 1, wherein: in step S8, it is required that the error in the measurement of the plane position with respect to the adjacent control point is not greater than ± 5cm, and the error in the measurement of the elevation with respect to the adjacent elevation control point is not greater than ± 3 cm.
6. The municipal works based underground pipeline surveying and mapping method according to claim 1, wherein: in step S9, after the field work is finished, performing final data inspection on the total measurement area, wherein the content includes detection accuracy, measurement accuracy, database entry, pipeline result chart and the like; in the inspection process, except that the pipeline construction age cannot be known, other contents all need to meet the design requirements; during detection precision inspection, spot-checked detection points are detected in the field by adopting a re-measurement method, and the detection precision meets the design requirement.
7. The municipal works based underground pipeline surveying and mapping method according to claim 1, wherein: in step S9, the pipeline points and the probe points 648 are inspected in the planar inspection, and the error in the planar point location is counted to be 0.031 m, and the elevation point location is extracted to be 733 in total, and the error in the elevation point location is counted to be 0.018 m; the method meets the requirements that the error Ms in the point position of a design plane is not more than +/-5 cm, and the error Mh in the elevation measurement is not more than +/-3 cm; the data entry inspection method adopts the comparison of an original questionnaire and a database output result, finds that part of problems belong to entry errors, and corrects the problems.
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| CN202110486149.5A CN113188526A (en) | 2021-04-30 | 2021-04-30 | Underground pipeline surveying and mapping method based on municipal engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485593A (en) * | 2022-03-18 | 2022-05-13 | 河南省地球物理空间信息研究院 | Mapping method based on municipal engineering |
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Application publication date: 20210730 |