CN109405817A - A kind of circular abutment measuring for verticality method - Google Patents

A kind of circular abutment measuring for verticality method Download PDF

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Publication number
CN109405817A
CN109405817A CN201811564362.8A CN201811564362A CN109405817A CN 109405817 A CN109405817 A CN 109405817A CN 201811564362 A CN201811564362 A CN 201811564362A CN 109405817 A CN109405817 A CN 109405817A
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China
Prior art keywords
coordinate
circular abutment
point
points
verticality
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CN201811564362.8A
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Chinese (zh)
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CN109405817B (en
Inventor
李明明
陈志达
杨建新
王庆钢
鹿存良
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China First Metallurgical Group Co Ltd
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China First Metallurgical Group Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/12Instruments for setting out fixed angles, e.g. right angles

Abstract

Circular abutment measuring for verticality method according to the present invention, 3 points of two interfaces are measured on bridge column using total station, and the central coordinate of circle at the interface is calculated separately by 3 points, compare the center of circle left side of two sections, obtain the maximum offset distance and verticality of circular abutment, method of the invention will be solved the problems, such as effectively complicated for operation during circular abutment measuring for verticality and be not necessarily to high altitude operation, the verticality and offset direction of circular abutment can accurately be measured, to save manual resource, the accuracy of data is improved.This method principle is simple, easy to operate, and as a result accurate data is intuitive, has stronger practicability and extensive generalization.

Description

A kind of circular abutment measuring for verticality method
Technical field
The invention belongs to field of bridge construction, in particular to a kind of circular abutment measuring for verticality method.
Background technique
Need to carry out measuring for verticality after the construction of bridge column or in the bridge section model monitoring in later period, however for How circular abutment determines that the deviation of column is a time-consuming and laborious process, the measurement result that the determination of offset direction directly affects Accuracy, since traditional measurement method can not accurately determine offset direction, it is relatively true small to be easy the offset distance measured, is easy to cover The problem of lid verticality transfinites;Verticality, which transfinites, will seriously affect the stress of column, become eccentric compression from axial compression Even development is large eccentric pressuring, will seriously endanger the safety of bridge.Fast accurately measure circular abutment verticality and partially From direction, it will greatly facilitate and improve Engineering Quality Control and bridge structure safe monitoring efficiency.
Summary of the invention
The present invention provides that a kind of constructing operation is convenient, work efficiency is high and constructs aiming at the deficiencies in the prior art The production method of hyperboloid fish-belly continuous box beam Variable Section Steel template at low cost.
To achieve the goals above, the circular abutment measuring for verticality method designed by the present invention, which is characterized in that including Following steps:
1) reconnaissance trip determines that total station suitably sets up distance and bearing according to the position of column, avoids other and construct Blocking for object, avoids backlight from measuring;
2) coordinate of the erection point of total station with backsight point is determined;
3) reflectorless total station is set up, the coordinate of backsight point and survey station point is inputted;
4) measure: reflectorless total station is directed at a section of circular abutment bottom end, measures three points in the visible range Coordinate A:(X1,Y1,Z1);B:(X2,Y2,Z2);C:(X3,Y3,Z3), the Z coordinate of 3 points of the ABC is identical, then measures round vertical The coordinate D:(X in 3 points of the section in top end one4,Y4,Z4);E:(X5,Y5,Z5);F:(X6,Y6,Z6), the Z of 3 points of the DEF is sat It marks identical;
5) round coordinate is calculated: according to the central coordinate of circle O of the corresponding triangle circumscribed circle of ABC and DEF1、O2
6) compare central coordinate of circle O1And O2, you can get it, and circular abutment deviates vector.
Further, the erection point and the coordinate of backsight point that total station is determined in the step 2) use relative coordinate.
Further, the erection point and the coordinate of backsight point that total station is determined in the step 2) use absolute coordinate.Phase Benefit to coordinate is, can self-setting relative coordinate system when scene can not obtain absolute coordinate point.Absolute coordinate system and phase Coordinate system can be converted.On condition that it is to be understood that obtaining the absolute coordinate and relative coordinate of measuring point.
Further, in the measurement process, 3 points measured in same section are 3 points be evenly arranged.Uniformly survey It takes, refers to and substantially take trisection point in the visible range, it is outer to reduce CAD mapping in identical measurement error for the triangle of acquisition Connect round error.
The present invention has the advantages that
1) this method uses reflectorless total station, can not manually climb to column top, not only can be to avoid personnel's The danger of high altitude operation, and need to only set up a survey station, can measure all data, the time required to having saved detection and at This.
2) centre coordinate of circular abutment is calculated by total station data measured for this method, thus calculate column it is inclined Away from vector, one-shot measurement can be obtained offset distance and be biased to two parameters.
3) it, to measure offset distance, is greatlyd save compared to traditional detection method without repeatedly measuring to find the direction of deviation Time.
4) method of the invention can also test the verticality of round column with variable cross-sections.
5) structure of the invention is simple, and data measured can input CAD or other CASE(Computer Aided Software Engineering), directly simulates The deviation state of column, so carry out force analysis of finite element, obtain subsequent data, facilitate bridge information-aided construction and Quality control, is suitble to be widely used to promote.
Detailed description of the invention
Fig. 1 is circular abutment measuring for verticality process schematic of the invention.
In figure: column 1, total station 2.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments:
1) reconnaissance trip determines that total station 2 suitably sets up distance and bearing according to the position of column 1, avoids other structures Blocking for object is built, backlight is avoided to measure, the suitable distance that sets up refers generally within 50m.
2) coordinate of the erection point of total station 2 with backsight point is determined, the foundation about coordinate is divided to two kinds;A, using opposite seat Mark: relative coordinate system is voluntarily established, (0,0) can be set by survey station point coordinate, which can be measured by total station, be built Vertical relative coordinate system, and determine the coordinate of total station and the coordinate of backsight point.B, using absolute coordinate: total station sets up point with after Viewpoint measures total station according to known absolute coordinate point nearby after determining and sets up point and backsight point coordinate.Two kinds of coordinates are arranged to sit The method for building up for marking system is suitable for the demand of Different field measurement.
3) reflectorless total station 2 is set up, the coordinate of backsight point and survey station point is inputted.
4) start to measure, a horizontal cross-section of circular abutment bottom end is directed at reflectorless total station, in the visible range Uniformly measure the coordinate A:(X of three points1,Y1,Z1);B:(X2,Y2,Z2);C:(X3,Y3,Z3), it is desirable that 3 points of ABC of Z coordinate phase Together, to guarantee at 3 points in same level, it can adjust total station and aim at measuring point, obtain identical three points of z coordinate.Uniformly survey It takes, refers to and substantially take trisection point in the visible range, it is outer to reduce CAD mapping in identical measurement error for the triangle of acquisition Connect round error.Similarly, the coordinate D:(X in one, circular abutment top, 3 points of section is measured4,Y4,Z4);E:(X5,Y5,Z5);F: (X6,Y6,Z6), the Z coordinate that 3 points of DEF is identical.Two sections taken in this programme can be both ends end face, be also possible to close The section of end face, or the section chosen as needed.
5) according to 3 coordinates of ABC measured, the plane triangle of composition calculates the triangle pair according to geometrical relationship Answer the central coordinate of circle O of circumscribed circle1, the as center of circle of bottom end circular abutment is calculated similarly according to 3 coordinates of DEF are measured The central coordinate of circle O of tip section2
6) by O1, O2Z value in three-dimensional coordinate is subtracted each other, and difference is the height in two sections, X, and Y-coordinate subtracts each other generation Vector is to deviate vector, includes offset distance and deviation.
The present invention has the advantages that
Using reflectorless total station, can not manually climb to column top, it not only can be to avoid the high altitude operation of personnel Danger, and need to only set up a survey station, all data can be measured, the time required to having saved detection and cost.
The centre coordinate of circular abutment is calculated by total station data measured, thus calculate column offset distance vector, One-shot measurement can be obtained offset distance and be biased to two parameters.
Compared to traditional detection method, without repeatedly measuring to find the direction of deviation, so that offset distance is measured, when greatling save Between.
Method of the invention can also test the verticality of round column with variable cross-sections.
This method measurement process is simple and convenient, and data measured can input CAD or other CASE(Computer Aided Software Engineering), direct mould The deviation state of column is drawn up, and then carries out force analysis of finite element, obtains subsequent data, the informationization for facilitating bridge is applied Work and quality control, are suitble to be widely used to promote.
Above embodiments are merely to illustrate design philosophy and feature of the invention, and its object is to make technology in the art Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to It is within the scope of the present invention according to equivalent variations made by disclosed principle, mentality of designing or modification.

Claims (4)

1. a kind of circular abutment measuring for verticality method, which comprises the following steps:
1) reconnaissance trip determines that total station suitably sets up distance and bearing according to the position of column, avoids other structures It blocks, backlight is avoided to measure;
2) coordinate of the erection point of total station with backsight point is determined;
3) reflectorless total station is set up, the coordinate of backsight point and survey station point is inputted;
4) measure: reflectorless total station is directed at a section of circular abutment bottom end, measures the seat of three points in the visible range Mark A:(X1,Y1,Z1);B:(X2,Y2,Z2);C:(X3,Y3,Z3), the Z coordinate of 3 points of the ABC is identical, then measures circular abutment top Hold the coordinate D:(X in 3 points of section4,Y4,Z4);E:(X5,Y5,Z5);F:(X6,Y6,Z6), the Z coordinate phase of 3 points of the DEF Together;
5) round coordinate is calculated: according to the central coordinate of circle O of the corresponding triangle circumscribed circle of ABC and DEF1、O2
6) compare central coordinate of circle O1And O2, you can get it, and circular abutment deviates vector.
2. circular abutment measuring for verticality method according to claim 1, it is characterised in that: determined in the step 2) complete The erection point of instrument of standing uses relative coordinate with the coordinate of backsight point.
3. circular abutment measuring for verticality method according to claim 1, it is characterised in that: determined in the step 2) complete The erection point of instrument of standing uses absolute coordinate with the coordinate of backsight point.
4. circular abutment measuring for verticality method according to claim 1, it is characterised in that: in the measurement process, Measured 3 points of same section are 3 points be evenly arranged, this, which is evenly arranged, refers to and substantially take trisection in the visible range Point.
CN201811564362.8A 2018-12-20 2018-12-20 Method for detecting verticality of circular stand column Active CN109405817B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882081A (en) * 2019-03-12 2019-06-14 中铁十二局集团有限公司 A kind of succinct measurement method of verticality based on no prism total station
CN110631565A (en) * 2019-09-17 2019-12-31 西安建筑科技大学 Method for measuring inclination of wind power generation tower model
CN110631564A (en) * 2019-09-17 2019-12-31 西安建筑科技大学 Method for measuring inclination of cylinder with circular cross section
CN111174771A (en) * 2020-01-19 2020-05-19 中国十七冶集团有限公司 Method for measuring verticality of stand column
CN111811463A (en) * 2020-06-02 2020-10-23 中国海洋石油集团有限公司 Method for accurately measuring span of stand column at bottom of block
CN113063405A (en) * 2021-03-30 2021-07-02 云南航天工程物探检测股份有限公司 Rapid and effective method and system for testing verticality of bridge circular pier

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN103759664A (en) * 2014-01-10 2014-04-30 中国核工业二三建设有限公司 Method for measuring horizontal distance between two horizontal pipe openings in reactor

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CN103759664A (en) * 2014-01-10 2014-04-30 中国核工业二三建设有限公司 Method for measuring horizontal distance between two horizontal pipe openings in reactor

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882081A (en) * 2019-03-12 2019-06-14 中铁十二局集团有限公司 A kind of succinct measurement method of verticality based on no prism total station
CN110631565A (en) * 2019-09-17 2019-12-31 西安建筑科技大学 Method for measuring inclination of wind power generation tower model
CN110631564A (en) * 2019-09-17 2019-12-31 西安建筑科技大学 Method for measuring inclination of cylinder with circular cross section
CN111174771A (en) * 2020-01-19 2020-05-19 中国十七冶集团有限公司 Method for measuring verticality of stand column
CN111811463A (en) * 2020-06-02 2020-10-23 中国海洋石油集团有限公司 Method for accurately measuring span of stand column at bottom of block
CN113063405A (en) * 2021-03-30 2021-07-02 云南航天工程物探检测股份有限公司 Rapid and effective method and system for testing verticality of bridge circular pier

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