CN107607075A - A kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion - Google Patents
A kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion Download PDFInfo
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- CN107607075A CN107607075A CN201710809131.8A CN201710809131A CN107607075A CN 107607075 A CN107607075 A CN 107607075A CN 201710809131 A CN201710809131 A CN 201710809131A CN 107607075 A CN107607075 A CN 107607075A
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- arch
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- measuring staff
- total powerstation
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- 238000000691 measurement method Methods 0.000 title claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 101150097977 arch-1 gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion, comprise the following steps：The one end for aiding in measuring staff is arranged to flat end, then the flat end for aiding in measuring staff is tilted to the arch springing spring line opening position supported and blocked to total powerstation sight so that aid in a part for measuring staff visible in total powerstation sight；Point on the basis of selection main arch is more visible in total powerstation sight；By measuring the end points of auxiliary measuring staff visible part and its coordinate of a neighbouring point, according to two point coordinates and the precise length of side lever is aided in convert to obtain the coordinate of the spring line opening position for the arch springing that total powerstation sight is blocked.
Description
Technical field
The present invention relates to Bridge Inspection field, the arch bridge main arch under particularly a kind of local sight circumstance of occlusion is linear
Measuring method.
Background technology
Inside bridge machinery field, it is often necessary to linear to the main arch of arch bridge to measure.Generally use total powerstation is surveyed
It is linear to measure the soffit of arch bridge, it is linear that main arch arch is then obtained by the linear conversion of soffit.However, because bridge structure is in certainly
In right environment, inevitably blocked by ground environment, especially arch springing region, such as：By the part of trees around, weeds
Block, either Urban Bridge causes arch springing region part by water by the partial occlusion of building or due to water level rise under bridge
Submergence.Local sight is blocked, and the linear part of main arch can be caused invisible, thus can not directly to its it is linear measure, in the past
Obtained by the way of being extrapolated to invisible part, or changed according to spandrel construction and arch springing relative position relation more
Calculate.The former is clearly irrational, and it can not truly reflect that arch springing whether there is horizontal displacement or sedimentation；The latter, implement
Come also cumbersome, it is necessary to have design drawing or need to carry out local measurement.Arch axis shape directly reflects the operation of arch bridge
Situation, especially when carrying out existing arch bridge Bearing capacity assessment, main arch arch must be measured accurately, thus how accurately be measured
Main arch under local sight circumstance of occlusion is linear, accurately holds arch bridge and whether there is arch springing horizontal displacement or sedimentation, has very
Important engineering practical value.
The content of the invention
The invention aims to provide a kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion.
To reach above-mentioned purpose, the present invention is implemented according to following technical scheme：
A kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion, comprises the following steps：
Step 1: the one end for aiding in measuring staff is arranged into flat end, then the flat end for aiding in measuring staff is tilted and supported to total powerstation
The arch springing spring line opening position that sight is blocked so that auxiliary measuring staff is partially visible in total powerstation sight；
Step 2: point on the basis of selection main arch is more visible in total powerstation sight；
Step 3: keeping auxiliary measuring staff motionless, the coordinate of the terminal A of auxiliary measuring staff visible part is then measured with total powerstation（xA,
yA）, and aid in the coordinate of another point B of sight visibility region on measuring staff（xB, yB）；
Step 4: measure the precise length D of auxiliary measuring staff；
Step 5: converting to obtain the coordinate for the arch springing spring line opening position that total powerstation sight is blocked using geometrical relationship, P is designated as
（xP, yP）.
Further, step 2 is usually that the arch springing arch camber line position for the arch bridge for choosing the visible side of total powerstation sight is base
On schedule.
Compared with prior art, patent utilization of the present invention, will be auxiliary dexterously using the flat auxiliary measuring staff in special end
Help the flat end of measuring staff to support to arch springing arch camber line position, and tilt certain angle so that aid in a part for measuring staff in total powerstation
In it is visible, the end points of measuring staff visible part and its coordinate of a neighbouring point are aided in by measuring, according to two point coordinates and auxiliary
The precise length of side lever is helped to convert to obtain the coordinate of the spring line opening position for the arch springing that total powerstation sight is blocked.
Brief description of the drawings
Structural representation when Fig. 1 is field conduct of the present invention.
Fig. 2 is the coordinate diagram that the present invention measures.
Embodiment
Below in conjunction with the accompanying drawings and its specific embodiment the invention will be further described, the illustrative examples invented herein
And explanation is used for explaining the present invention, but it is not as a limitation of the invention.
As shown in Figure 1 and Figure 2, the arch bridge main arch linear measurement method under a kind of local sight circumstance of occlusion of the present embodiment,
Comprise the following steps：
Step 1: the flat end for aiding in measuring staff 3 is tilted to the arch springing arch camber supported to the sight of total powerstation 5 by the arch bridge 6 of occlusion area 7
7 at line position, the flat end of auxiliary measuring staff 3 is for the ease of inserting arch springing spring line opening position so that one of auxiliary measuring staff 3
Divide visible in the sight of total powerstation 5；
2 are put on the basis of the arch springing arch camber line position of the arch bridge 6 of side Step 2: choosing in the sight visibility region 4 of total powerstation 5, when
So, wherein one in the sight visibility region 4 of total powerstation 5 on the main arch 1 of the arch bridge 6 of side can also be chosen according to actual conditions
Point is arranged to datum mark 2；
Step 3: keeping auxiliary measuring staff 3 motionless, the coordinate of the terminal A of the auxiliary visible part of measuring staff 3 is then measured with total powerstation 5
（xA, yA）, and aid in the coordinate of another point B of sight visibility region on measuring staff 3（xB, yB）；
Step 4: measuring the precise length D of auxiliary measuring staff, the length D of measuring staff is aided in include the length of flat end；
Step 5: converting to obtain the coordinate for the arch springing spring line opening position that total powerstation sight is blocked using geometrical relationship, P is designated as
（xP, yP）, wherein,,。
Technical scheme is not limited to the limitation of above-mentioned specific embodiment, and every technique according to the invention scheme is done
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (3)
1. a kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion, it is characterised in that comprise the following steps：
Step 1: the one end for aiding in measuring staff is arranged into flat end, then the flat end for aiding in measuring staff is tilted and supported to total powerstation
The arch springing spring line opening position that sight is blocked so that auxiliary measuring staff is partially visible in total powerstation sight；
Step 2: point on the basis of selection main arch is more visible in total powerstation sight；
Step 3: keeping auxiliary measuring staff motionless, the coordinate of the terminal A of auxiliary measuring staff visible part is then measured with total powerstation（xA,
yA）, and aid in the coordinate of another point B of sight visibility region on measuring staff（xB, yB）；
Step 4: measure the precise length D of auxiliary measuring staff；
Step 5: converting to obtain the coordinate for the arch springing spring line opening position that total powerstation sight is blocked using geometrical relationship, P is designated as
（xP, yP）.
2. the main arch linear measurement method of the arch bridge under local sight circumstance of occlusion according to claim 1, its feature exist
In：The step 2 chooses point on the basis of the arch springing arch camber line position of the arch bridge of the visible side of total powerstation sight.
3. the main arch linear measurement method of the arch bridge under local sight circumstance of occlusion according to claim 1, its feature exist
In：In the step 5,。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710809131.8A CN107607075A (en) | 2017-09-10 | 2017-09-10 | A kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710809131.8A CN107607075A (en) | 2017-09-10 | 2017-09-10 | A kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion |
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| CN107607075A true CN107607075A (en) | 2018-01-19 |
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| CN201710809131.8A Pending CN107607075A (en) | 2017-09-10 | 2017-09-10 | A kind of arch bridge main arch linear measurement method under local sight circumstance of occlusion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551115A (en) * | 2020-06-11 | 2020-08-18 | 中国二十二冶集团有限公司 | A method for measuring the positioning coordinates of a member whose sight is obstructed |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589533A (en) * | 2012-01-19 | 2012-07-18 | 西安科技大学 | Method for measuring hidden point position coordinates by utilizing total-station instrument |
| CN202420497U (en) * | 2012-01-19 | 2012-09-05 | 西安科技大学 | Auxiliary measuring device for measuring point position coordinate by using total station |
| CN202420501U (en) * | 2012-01-19 | 2012-09-05 | 西安科技大学 | Auxiliary measuring device for measuring hidden point position coordinates in GPS RTK |
| CN103292795A (en) * | 2013-04-01 | 2013-09-11 | 中国葛洲坝集团股份有限公司 | A method for accurate measurement by using dual prisms, and a measuring rod |
-
2017
- 2017-09-10 CN CN201710809131.8A patent/CN107607075A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589533A (en) * | 2012-01-19 | 2012-07-18 | 西安科技大学 | Method for measuring hidden point position coordinates by utilizing total-station instrument |
| CN202420497U (en) * | 2012-01-19 | 2012-09-05 | 西安科技大学 | Auxiliary measuring device for measuring point position coordinate by using total station |
| CN202420501U (en) * | 2012-01-19 | 2012-09-05 | 西安科技大学 | Auxiliary measuring device for measuring hidden point position coordinates in GPS RTK |
| CN103292795A (en) * | 2013-04-01 | 2013-09-11 | 中国葛洲坝集团股份有限公司 | A method for accurate measurement by using dual prisms, and a measuring rod |
Non-Patent Citations (1)
| Title |
|---|
| 胡建新 等: "《全站仪在拱圈线形测量中的新方法》", 《交通标准化》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551115A (en) * | 2020-06-11 | 2020-08-18 | 中国二十二冶集团有限公司 | A method for measuring the positioning coordinates of a member whose sight is obstructed |
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Application publication date: 20180119 |
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| RJ01 | Rejection of invention patent application after publication |