CN113267170A - Three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data comparison feedback - Google Patents
Three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data comparison feedback Download PDFInfo
- Publication number
- CN113267170A CN113267170A CN202110203099.5A CN202110203099A CN113267170A CN 113267170 A CN113267170 A CN 113267170A CN 202110203099 A CN202110203099 A CN 202110203099A CN 113267170 A CN113267170 A CN 113267170A
- Authority
- CN
- China
- Prior art keywords
- main
- data
- height difference
- laser scanning
- transverse height
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012821 model calculation Methods 0.000 title claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 21
- 238000013461 design Methods 0.000 claims abstract description 12
- 238000004458 analytical method Methods 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Structural Engineering (AREA)
- Remote Sensing (AREA)
- Architecture (AREA)
- Radar, Positioning & Navigation (AREA)
- Civil Engineering (AREA)
- Pure & Applied Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data feedback. The analysis method comprises the following steps: s1: carrying out transverse height difference monitoring on three main truss steel beams of the steel truss arch bridge by using a 3D laser scanner, and transmitting monitoring data to an intelligent data processing center through a WiFi network; s2: comparing and analyzing the measured data with the theoretical data; s3, making a corresponding operation instruction according to the analysis result; sending an operation instruction to the automatic elevation control equipment through a WiFi network for adjustment; the main advantages of the invention are: reliable data can be quickly and effectively measured by applying the 3D laser scanning system, and the accuracy of the measured data is improved; an intelligent processing center is adopted to carry out rapid comparison and analysis of the measured data information and the design data information, so that efficient regulation and control measures are implemented; the elevation linear regulation and control process is intelligentized, the construction process of manually regulating and controlling the linear is simplified, the construction speed can be greatly improved, and the construction period is shortened.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a three-main-truss steel girder transverse height difference adjusting method based on 3D laser scanning and model calculation data feedback, which is particularly suitable for three-main-truss steel girders with difficult linear control.
Background
In recent years, with the continuous development of bridge design, manufacturing and erection technologies and building materials, steel truss arch bridges are gradually and widely applied to bridge construction across sea, river, lake and the like due to the advantages of light dead weight, large crossing capacity, attractive appearance and the like. However, during the construction of the steel truss arch bridge, the line shape and the stress of the structure become a problem which is particularly concerned by design units and construction units. In order to ensure that the arch-assisted smooth closure and the bridge-forming linear shape and stress state meet the specification and design requirements, the linear shape of each control point and the stress of each key control section in the construction process need to be detected, the linear shape and the stress of each key control section are compared with theoretical values, error reasons are analyzed, and corresponding regulation and control measures are adopted to ensure that three main truss steel beams are smoothly installed, so that the method is very important for the construction and construction of the steel truss arch bridge.
With the advent of three-dimensional laser scanning technology, the technology has also had many attempts, applications and explorations in the fields of historical relic protection, construction, planning, civil engineering, factory modification, indoor design, building monitoring and the like. The three-dimensional laser scanning technology is a new breakthrough of a mapping technology after a GPS space positioning system. The method rapidly acquires the three-dimensional coordinate data of the surface of the measured object in a large area and high resolution manner by a high-speed laser scanning measurement method. The method can quickly acquire a large amount of space point location information, and provides a brand new technical means for quickly establishing a three-dimensional image model of an object. The method has the characteristics of rapidity, non-contact, real-time performance, dynamic performance, initiative performance, high density, high precision, digitalization, automation and the like, so that the invention provides the method for adjusting the transverse height difference of the three main truss steel beams based on 3D laser scanning and model calculation data feedback.
Disclosure of Invention
In view of the above, the invention aims to provide a three-main-truss steel beam transverse height difference linear intelligent regulation and control system and method based on a 3D laser scanning system, which accurately monitor the linear shape of three main-truss steel beams in a construction process, and quickly compare and analyze errors, so as to implement efficient regulation and control measures, thereby solving the problems of low speed and inaccurate positioning of the traditional measurement and positioning, and meanwhile, the elevation linear regulation and control process is intelligentized, so that the construction process of manually regulating and controlling the linear shape is simplified, the construction speed can be greatly improved, and the construction period can be shortened.
In order to achieve the purpose, the invention discloses a three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data feedback, which comprises the following steps:
a three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data feedback is characterized in that an intelligent height linear adjusting and controlling system comprises a 3D laser scanner, an intelligent data processing center and jack height difference automatic control equipment;
the method comprises the following steps: the three main girder steel beams are scanned by the 3D laser scanner to obtain actual measurement data of height difference of the middle girder and the side girder, and the actual measurement data are sent to the intelligent data processing center through the WiFi network;
step two: the intelligent data processing center compares and analyzes the measured data and the theoretical data, and simultaneously makes a corresponding operation instruction according to an analysis result; sending the operation instruction to the automatic elevation control equipment through the WiFi network;
step three: the automatic elevation control equipment executes the operation instruction through an automatic center jack, and the automatic center jack is installed on the side of the side girder of the three main girder steel beams.
Further, the 3D laser scanning system includes: laser emitter, receiver, time counter, motor control rotatable optical filter, control circuit board, microcomputer, CCD machine and software.
Further, the 3D laser scanning system internal processing includes the following steps: 1. point cloud data input 2, noise point removal 3, point cloud imaging 4 and displacement data extraction.
Further, the principle of the 3D laser scanning system is as follows: by utilizing the principle of laser ranging, three-dimensional models of three main girder steel beams and various drawing data such as lines, surfaces, bodies and the like are quickly reconstructed by recording information such as three-dimensional coordinates, reflectivity, textures and the like of a large number of dense points on the surfaces of the side girders and the middle girders of the three main girder steel beams. Then, the data is compared and analyzed with theoretical data, and a corresponding operation instruction is sent out according to a corresponding analysis result.
Further, the theoretical data is coordinate information of ideal line shapes of three main truss steel beams in the construction process, and the ideal line shapes of the steel truss arch bridge are obtained through calculation according to the bridge forming state of the steel truss arch bridge.
And further, the automatic central jack receives the regulation and control instruction of the intelligent data processing center, and executes the regulation and control instruction, the lifting edge truss side jack and the falling edge truss side jack.
Further, the corresponding operation instruction is formulated according to the analysis result: if the difference value between the transverse height difference of the three main girder steel beams and the design position information is within the allowable range, sending an uncontrolled instruction, if the difference value between the transverse height difference of the three main girder steel beams and the design position information is not within the allowable range, dividing into two conditions, when the girders in the three main girder steel beams are higher than the side girders, sending a side girder lifting jack instruction, and when the girders in the three main girder steel beams are lower than the side girders, sending a side girder falling jack instruction.
The invention discloses a three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data feedback, which has the advantages that: reliable data can be quickly and effectively measured by applying the 3D laser scanning system, and the accuracy of the measured data is improved; an intelligent processing center is adopted to carry out rapid comparison and analysis of the measured data information and the design data information, so that efficient regulation and control measures are implemented; the elevation linear regulation and control process is intelligentized, the construction process of manually regulating and controlling the linear is simplified, the construction speed can be greatly improved, and the construction period is shortened.
Drawings
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a flow chart of the present invention;
FIG. 3 is a diagram illustrating the steps of the present invention;
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1 and 2, the three-main-girder steel beam lateral height difference adjusting system based on 3D laser scanning and model calculation data feedback comprises a 3D laser scanner 1, an intelligent data processing center 3, and a jack elevation automatic control device 4;
the method comprises the following steps: monitoring three main truss steel beams 2 of the steel truss arch bridge by using a 3D laser scanner 1, and transmitting obtained monitoring data information to an intelligent data processing center 3 through a WiFi network;
step two: the intelligent data processing center 3 compares and analyzes the acquired data information with the calculation theoretical data information to obtain a data analysis result;
step three: analyzing whether the data result is within an error range, if so, ending the process, if not, adjusting the data result through a jack height control device 4, and monitoring the transverse height difference of the three main truss steel beams by using a 3D scanner after adjustment until the error meets the requirement;
step four: and after the transverse height difference of the three main truss steel beams in the internode is adjusted, continuously installing the next internode, and repeating the steps.
The present invention is not limited to the above-described embodiments, and any similar method changes and modifications made by those skilled in the art in the light of the above-described embodiments should be construed as being included in the spirit and scope of the present invention and the appended claims.
Claims (4)
1. The utility model provides a three main purlin girder steel horizontal difference in height regulation technique based on 3D laser scanning and model calculation data feedback which characterized in that: and analyzing and processing the 3D laser scanning and model calculation data, finding out the error reason, and adopting a corresponding regulation and control means to ensure that the three main girder steel beams are smoothly installed.
The three-main-truss steel beam transverse height difference adjusting technology based on 3D laser scanning and model calculation data feedback sends measured data to an intelligent data processing center through a WiFi network.
The intelligent data processing center compares and analyzes the measured data and the theoretical data, and simultaneously makes a corresponding operation instruction according to an analysis result; and sending the operation instruction to the elevation automatic control equipment through the WiFi network.
The automatic elevation control equipment executes the operation instruction through an automatic center jack, and the automatic center jack is installed on the side of the side girder of the three main girder steel beams.
2. The three-main-truss steel beam transverse height difference adjusting technology based on 3D laser scanning and model calculation data feedback according to the patent claim 1 is characterized in that: the design calculation data information is data information of ideal height of the three main girder steel beams in the construction process, the theoretical data is coordinate information of ideal line shape of the three main girder steel beams in the construction process, and the ideal line shape of the steel girder arch bridge is calculated according to the bridge forming state of the steel girder arch bridge.
3. The three-main-truss steel beam transverse height difference adjusting technology based on 3D laser scanning and model calculation data feedback is characterized in that: and (3) making a corresponding operation instruction according to the analysis result: if the difference value between the transverse height difference of the three main girder steel beams and the design position information is within the allowable range, sending an out-of-control command, and if the difference value between the transverse height difference of the three main girder steel beams and the design position information is not within the allowable range, sending a control command by the intelligent data processing center.
4. The method as claimed in claim 3, if the difference between the transverse height difference of the three main girder steel beams and the design position information is not within the allowable range, the intelligent data processing center is required to issue the control command. And under two conditions, when the girders in the three main girder steel girders are higher than the side girders, sending a jack-up instruction on the side girder side of the side girder, and when the girders in the three main girder steel girders are lower than the side girders, sending a jack-back instruction on the side girder side of the side girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203099.5A CN113267170A (en) | 2021-02-23 | 2021-02-23 | Three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data comparison feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203099.5A CN113267170A (en) | 2021-02-23 | 2021-02-23 | Three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data comparison feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113267170A true CN113267170A (en) | 2021-08-17 |
Family
ID=77228150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110203099.5A Pending CN113267170A (en) | 2021-02-23 | 2021-02-23 | Three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data comparison feedback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113267170A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113836618A (en) * | 2021-09-03 | 2021-12-24 | 中国铁建大桥工程局集团有限公司 | Temporary steel buckle tower disassembly error adjustment control method based on support vector machine |
| CN117090141A (en) * | 2023-08-08 | 2023-11-21 | 中国铁建大桥工程局集团有限公司 | Three-main girder steel beam height difference adjusting method and system based on three-dimensional laser scanning |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161127A (en) * | 2013-03-05 | 2013-06-19 | 中铁二十一局集团有限公司 | Steel truss girder dragging construction intelligent measure and control method and system |
| CN110424745A (en) * | 2019-08-19 | 2019-11-08 | 中国二十二冶集团有限公司 | The assembled moulding bed of spacial special-shaped steel pipe truss and its assembly, installation method |
| CN111188272A (en) * | 2019-12-12 | 2020-05-22 | 中冶天工集团有限公司 | Multi-formwork assembly steel box girder construction auxiliary device and construction method thereof |
-
2021
- 2021-02-23 CN CN202110203099.5A patent/CN113267170A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161127A (en) * | 2013-03-05 | 2013-06-19 | 中铁二十一局集团有限公司 | Steel truss girder dragging construction intelligent measure and control method and system |
| CN110424745A (en) * | 2019-08-19 | 2019-11-08 | 中国二十二冶集团有限公司 | The assembled moulding bed of spacial special-shaped steel pipe truss and its assembly, installation method |
| CN111188272A (en) * | 2019-12-12 | 2020-05-22 | 中冶天工集团有限公司 | Multi-formwork assembly steel box girder construction auxiliary device and construction method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113836618A (en) * | 2021-09-03 | 2021-12-24 | 中国铁建大桥工程局集团有限公司 | Temporary steel buckle tower disassembly error adjustment control method based on support vector machine |
| CN117090141A (en) * | 2023-08-08 | 2023-11-21 | 中国铁建大桥工程局集团有限公司 | Three-main girder steel beam height difference adjusting method and system based on three-dimensional laser scanning |
| CN117090141B (en) * | 2023-08-08 | 2024-06-28 | 中国铁建大桥工程局集团有限公司 | Three-main girder steel beam height difference adjusting method and system based on three-dimensional laser scanning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109184213A (en) | Steel grid construction technique based on BIM setting-out and 3-D scanning | |
| CN109680615B (en) | Three-dimensional coordinate measuring construction method of short-line method section beam | |
| CN108824816B (en) | High-altitude long-span net frame sliding, positioning, installing and monitoring method | |
| CN109826108B (en) | Automatic bridge incremental launching monitoring method based on lofting robot | |
| CN111811420B (en) | Tunnel three-dimensional contour integral absolute deformation monitoring method and system | |
| CN110095060A (en) | Steel construction rapid quality detection method based on 3-D scanning technology | |
| CN100538261C (en) | Unknown free curved face self-adapting measuring method and gauge head unit based on the method for exploring the way | |
| CN106886659A (en) | The virtual pre-splicing and detection method of steel structure bridge based on 3 D laser scanning and cloud platform | |
| CN113267170A (en) | Three-main-truss steel beam transverse height difference adjusting method based on 3D laser scanning and model calculation data comparison feedback | |
| CN108827255B (en) | Cable saddle measuring method of steel-concrete combined structure cable tower based on BIM | |
| CN110424479B (en) | Building deviation rectifying system and method based on three-dimensional laser scanning | |
| CN101907439A (en) | Stimulated measurement and detection method in architectural steel structure fabrication | |
| CN109025319B (en) | Quality detection and disposal method for prefabricated part butt joint interface | |
| CN108756292B (en) | Building synchronous jacking control method and system based on Internet of things technology | |
| CN112417564A (en) | Segment beam prefabrication construction monitoring method based on three-dimensional laser scanning and BIM technology | |
| CN108427346B (en) | Assembled structure hoist and mount control management system | |
| CN113239429A (en) | Method for manufacturing precast assembled bridge of concrete segments | |
| CN108592877B (en) | Variable-size dome radius detection method | |
| CN102937426A (en) | Measurement method for large and complex parts based on robot visual servo | |
| CN112284289A (en) | Full-automatic 3D scanning method for detecting quality of prefabricated part | |
| CN115130170A (en) | Steel truss bridge construction monitoring method and system based on three-dimensional laser scanning and BIM | |
| CN113221221A (en) | BIM technology-based method for positioning prestressed pipeline on precast beam | |
| CN115824040A (en) | Steel plate combined beam bridge detection method based on three-dimensional laser scanning | |
| CN112240753A (en) | Machine vision-based bridge structure three-dimensional modeling method | |
| CN112304233A (en) | Deformation detection method for construction process of cantilever steel structural member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210817 |
|
| WD01 | Invention patent application deemed withdrawn after publication |