CN103115605A - Subway shaft orientated measurement method based on connected triangle - Google Patents
Subway shaft orientated measurement method based on connected triangle Download PDFInfo
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- CN103115605A CN103115605A CN2013100383004A CN201310038300A CN103115605A CN 103115605 A CN103115605 A CN 103115605A CN 2013100383004 A CN2013100383004 A CN 2013100383004A CN 201310038300 A CN201310038300 A CN 201310038300A CN 103115605 A CN103115605 A CN 103115605A
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Abstract
The invention provides a subway shaft orientated measurement method based on a connected triangle. On the basis of a previous connected triangle, the subway shaft orientated measurement method comprises the following steps of: erecting a total station on a subway cross channel traverse point to be detected to observer angles and distances between the subway cross channel traverse point and an underground point for shaft position, between the subway cross channel traverse point and a subway tunnel positive line traverse point and between the subway cross channel traverse point and two steel wires; determining observed original data to accord with tolerance, adjusting the positions of the steel wires and repeating steps a to d to finish three groups of independently-observed data; and inputting the observed data into special measurement adjustment software and resolving an underground control point coordinate and a control edge azimuth angle to guide subway tunnel positive line construction. According to the subway shaft orientated measurement method, the traverse point to be detected in an underground cross channel is used for observing the angle between the underground point for the shaft position and the subway tunnel positive line traverse point, and angle observation is carried out on two connected measuring steel wires in a shaft. In an adjustment process, an angle observation value of the underground point for the shaft position does not participate in calculation and adjustment computation is carried out by using an angle observation value of the traverse point in the cross channel, so that the problem that the precision of the azimuth angle of orientated measurement of the traditional connected triangle is low is solved.
Description
Technical field
The present invention relates to subway shaft connection survey method, especially a kind of based on the leg-of-mutton subway shaft orientation survey method of contact.
Background technology
Subway Tunnel construction utilizes construction shaft to carry out more, and crosses process that vertical shaft is delivered to the underground construction tunnel the plane connection survey the ground plane coordinate system is all, and it is to contact the triangle orientation survey that the plane connection survey contacts the most traditional method.Main technique methods is to hang two steel wires in a vertical shaft, forms triangle at ground near-shaft control point A with steel wire, and distance and the angle of mensuration near-shaft control point A and steel wire, thereby calculates to get the coordinate of two steel wires and the position angle between them.In the down-hole, same down-hole near-shaft control point A1 also consists of triangle with steel wire, and distance and the angle of near-shaft control point A1 and steel wire under gage well, because steel wire is in free overhang, can think that the coordinate of steel wire is consistent with ground with the position angle, by calculating coordinate and the position angle that just can obtain the underground conducting wire Fixed Initial Point, so just having connected with underground conducting wire on the ground, as shown in Figure 1.
due to subway work vertical shaft multidigit near the tunnel main track 30 meters, if satisfy underground near-shaft control point A1 and nearest steel wire distance less than under 1.5 times of steel wire spacer conditions in the connection survey process, underground near-shaft control point A1 just can not be located immediately on the tunnel main track of subway, next tracerse point can only be arranged on the interconnection of subway (Fig. 2 L point and R point), because general subway transverse passage-way only has 30 meters, so just can not guarantee that directed edge length is greater than the requirement of 60 meters, because the length of side is shorter, survey station and the prism error of centralization are larger to measuring Horizontal Angle Influence, through repeatedly setting up instrument and prism, and the observation water straight angle, find the error of centralization to Horizontal Angle Influence about 20 seconds, can not satisfy the down-hole and play the initial line azimuth angle error less than the basic demand of 12 seconds.Therefore there is certain defective in existing measuring method.
Summary of the invention
The purpose of this invention is to provide a kind of azimuth accuracy high, simple to operate based on the contact leg-of-mutton subway shaft orientation survey method.
The present invention solves the technical scheme that the prior art problem adopts: a kind of based on the leg-of-mutton subway shaft orientation survey method of contact, comprising:
A. be immersed in damping fluid at the steel wire of two diameters of pit mouth suspension less than 0.5 millimeter, and with steel wire end suspension weight;
B. adjust the steel wire position, aboveground, the down-hole near-shaft control point that makes vertical shaft respectively and the angle between two steel wires all less than 1.5 degree, and aboveground, down-hole near-shaft control point to the ratio of nearest steel wire distance and steel wire spacing less than 1.5;
C. angle and the distance between the tracerse point to be measured in aboveground, near-shaft control point place, down-hole set up respectively total powerstation observation near-shaft control point and two steel wires and ground known lead point and underground transverse passage-way; It is further comprising the steps of:
D. set up total powerstation on the tracerse point to be measured in underground transverse passage-way, observe the angle and distance between this tracerse point to be measured and down-hole near-shaft control point, subway tunnel main track tracerse point and two steel wires;
E. raw data is respectively observed in confirmation, meets the poor rear steel wire position repetition a that adjusts of limit and completes altogether N group independent observation data, wherein N to the d step
3;
F. with professional measurement adjustment software clearing reference mark, the down-hole coordinate of the observation data input of the angle and distance of ground known point, ground near-shaft control point, underground near-shaft control point, down-hole transverse passage-way trarersing and control the position angle, limit, instruct the construction of subway tunnel main track.
When calculating, do not comprise the direction value of down-hole near-shaft control point and steel wire and the visible tracerse point of transverse passage-way in observation data input measurement adjustment Software.
Tracerse point to be measured in described underground transverse passage-way is the visible point in underground transverse passage-way, and described subway tunnel main track tracerse point is the visible point in the subway tunnel main track.
Beneficial effect of the present invention is: angular observation angle, is also carried out to two connection survey steel wires in vertical shaft in utilization of the present invention added station of tracerse point to be measured in the transverse passage-way of down-hole except between near-shaft control point under inspection well and subway tunnel main track tracerse point.During last overall adjustment, near-shaft control point angular observation value in down-hole does not participate in calculating, and the measurement adjustment software that utilizes the angular observation value utilization specialty of tracerse point to be measured in transverse passage-way carries out compensating computation, thereby has solved the low problem of azimuth accuracy of traditional contact triangle orientation survey.
The great advantage of the inventive method is that the down-hole control initial side precision that obtains is high, can reach 7 seconds through three duplicate measurementss, contrast tradition contact triangle orientation survey method, precision improves 2 times of left and right, the down-hole is with under the precision measure condition, satisfy the poor perforation of standard limit apart from increasing by 0.5 times, provide reliable data to guarantee to the correct perforation of subway construction tunnel.
Description of drawings
Fig. 1 is the basic principle schematic of existing contact triangle orientation survey method.
Fig. 2 is the schematic diagram of existing contact triangle orientation survey method.
Fig. 3 is schematic diagram of the present invention.
Embodiment
The present invention will be described below in conjunction with accompanying drawing and preferred implementation:
A kind of based on the leg-of-mutton subway shaft orientation survey method of contact, comprise the following steps:
A. same as the prior art, at the steel wire of two diameters of pit mouth suspension less than 0.5 millimeter, and steel wire end suspension weight is immersed in (as shown in Figure 1) in damping fluid;
B. adjust the steel wire position, aboveground, the down-hole near-shaft control point that makes vertical shaft respectively and the angle between two steel wires all less than 1.5 degree, and aboveground, down-hole near-shaft control point to the ratio of nearest steel wire distance and steel wire spacing less than 1.5;
C. set up respectively total powerstation at aboveground near-shaft control point A, near-shaft control point B place, down-hole, and the angle and distance of angle and distance, aboveground near-shaft control point A and the ground known lead point T of near-shaft control point A and two steel wires on inspection well; The angle of down-hole near-shaft control point B and two steel wires and the interior tracerse point L to be measured of distance, down-hole near-shaft control point B and underground transverse passage-way, the angle between R and distance; Wherein the effect of the observed reading of the angle and distance of aboveground near-shaft control point A and ground known lead point T is the Fixed Initial Point as the borehole observation value.
D. set up on the tracerse point L to be measured of transverse passage-way and R total powerstation this tracerse point L to be measured of observation and R respectively with down-hole near-shaft control point B, subway tunnel main track tracerse point L1, the angle and distance between R1 and two steel wires; In this step, also hang further angle and the distance of steel wire near-shaft control point in translocation and vertical shaft under inspection well, so that measuring accuracy improves.
Further, can be with subway tunnel main track tracerse point L1, R1 is as tested point, at L1, set up total powerstation on R1, observe itself and tracerse point L, R and subway tunnel main track increase the angle and distance of tracerse point newly, by that analogy, make newly-increased tracerse point and ground known point T indirect association.
E. confirmation is respectively observed raw data meet the poor rear steel wire position repetition a that adjusts of limit and is completed altogether N group independent observation data, N to the d step
3; Preferred implementation is for completing 3 groups of independent observation data.
Professional measurement adjustment software clearing reference mark, the down-hole coordinate of observation data input of the angle and distance that f. will measure at ground known point, ground near-shaft control point A, underground near-shaft control point B, down-hole transverse passage-way tracerse point L and R and control the position angle, limit instructs the construction of subway tunnel main track.
Wherein, tracerse point L to be measured, the R in underground transverse passage-way is the visible point in underground transverse passage-way, and subway tunnel main track tracerse point L1, R1 are the visible point in the subway tunnel main track.
Due to the direction value measuring error of near-shaft control point B large (close together), therefore, when calculating, do not comprise the direction value of down-hole near-shaft control point and steel wire and the visible tracerse point of transverse passage-way in observation data being inputted professional measurement adjustment software.
Above content is in conjunction with concrete optimal technical scheme further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (3)
- One kind based on the contact leg-of-mutton subway shaft orientation survey method, comprising:A. be immersed in damping fluid at the steel wire of two diameters of pit mouth suspension less than 0.5 millimeter, and with steel wire end suspension weight;B. adjust the steel wire position, aboveground, the down-hole near-shaft control point that makes vertical shaft respectively and the angle between two steel wires all less than 1.5 degree, and aboveground, down-hole near-shaft control point to the ratio of nearest steel wire distance and steel wire spacing less than 1.5;C. angle and the distance between the tracerse point to be measured in aboveground, near-shaft control point place, down-hole set up respectively total powerstation observation near-shaft control point and two steel wires and ground known lead point and underground transverse passage-way; It is characterized in that, it is further comprising the steps of:D. set up total powerstation on the tracerse point to be measured in underground transverse passage-way, observe the angle and distance between the steel wire of the angle and distance of this tracerse point to be measured and down-hole near-shaft control point, subway tunnel main track tracerse point and tracerse point to be measured and suspension;E. raw data is respectively observed in confirmation, meets the poor rear steel wire position repetition a that adjusts of limit and completes altogether N group independent observation data, wherein N to the d step3;
F. with professional measurement adjustment software clearing reference mark, the down-hole coordinate of the observation data input of the angle and distance of ground known point, ground near-shaft control point, underground near-shaft control point, down-hole transverse passage-way trarersing and control the position angle, limit, instruct the construction of subway tunnel main track. - 2. according to claim 1 a kind of based on the leg-of-mutton subway shaft orientation survey method of contact, it is characterized in that, when calculating, do not comprise the direction value of down-hole near-shaft control point and steel wire and the visible tracerse point of transverse passage-way in observation data input measurement adjustment Software.
- 3. according to claim 1 a kind of based on the leg-of-mutton subway shaft orientation survey method of contact, it is characterized in that, tracerse point to be measured in described underground transverse passage-way is the visible point in underground transverse passage-way, and described subway tunnel main track tracerse point is the visible point in the subway tunnel main track.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542836A (en) * | 2013-11-07 | 2014-01-29 | 大连市勘察测绘研究院有限公司 | Method for measuring control point settlement deformation of subway station |
| CN104316035A (en) * | 2014-11-05 | 2015-01-28 | 西安科技大学 | Underground traverse survey system, and underground traverse survey method |
| CN104596487A (en) * | 2015-01-20 | 2015-05-06 | 浙江国际海运职业技术学院 | Concealed orientation measurement device used on total station |
| CN104655092A (en) * | 2013-11-25 | 2015-05-27 | 天津城建隧道股份有限公司 | Triangular single well directional measurement method used in subway shield construction |
| CN105514857A (en) * | 2015-11-26 | 2016-04-20 | 国网北京市电力公司 | Method and apparatus for repairing cable |
| CN105628000A (en) * | 2014-11-26 | 2016-06-01 | 中国华冶科工集团有限公司 | Mine shaft coordinate transmitting and measuring method |
| CN105674967A (en) * | 2016-03-31 | 2016-06-15 | 中铁四局集团第一工程有限公司 | Method for measuring rail transportation shaft relation |
| CN106767731A (en) * | 2016-11-30 | 2017-05-31 | 中国电建集团铁路建设有限公司 | A kind of connection triangle measurement apparatus and measuring method |
| CN107121133A (en) * | 2016-02-24 | 2017-09-01 | 中铁二十二局集团第工程有限公司 | A kind of subway work vertical shaft connection triangle alignment system |
| CN108007425A (en) * | 2018-01-29 | 2018-05-08 | 重庆建工集团股份有限公司 | A kind of subway tunnel Two-staged technique measurement structure and measuring method |
| CN109211183A (en) * | 2018-10-18 | 2019-01-15 | 杜志刚 | Major long tunnel deep shaft corner intersection measurement method |
| CN110966994A (en) * | 2019-12-16 | 2020-04-07 | 中铁大桥局第七工程有限公司 | Shaft connection method and measuring device for shaft connection method |
| CN111829492A (en) * | 2020-07-24 | 2020-10-27 | 中交第二航务工程局有限公司 | Laser plummet application-based contact measurement method |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542836B (en) * | 2013-11-07 | 2015-09-30 | 大连市勘察测绘研究院有限公司 | A kind of method measuring control point settlement deformation of subway station |
| CN103542836A (en) * | 2013-11-07 | 2014-01-29 | 大连市勘察测绘研究院有限公司 | Method for measuring control point settlement deformation of subway station |
| CN104655092A (en) * | 2013-11-25 | 2015-05-27 | 天津城建隧道股份有限公司 | Triangular single well directional measurement method used in subway shield construction |
| CN104316035A (en) * | 2014-11-05 | 2015-01-28 | 西安科技大学 | Underground traverse survey system, and underground traverse survey method |
| CN104316035B (en) * | 2014-11-05 | 2016-06-08 | 西安科技大学 | A kind of underground conducting wire measures system and method |
| CN105628000A (en) * | 2014-11-26 | 2016-06-01 | 中国华冶科工集团有限公司 | Mine shaft coordinate transmitting and measuring method |
| CN104596487A (en) * | 2015-01-20 | 2015-05-06 | 浙江国际海运职业技术学院 | Concealed orientation measurement device used on total station |
| CN104596487B (en) * | 2015-01-20 | 2017-02-22 | 浙江国际海运职业技术学院 | Concealed orientation measurement device used on total station |
| CN105514857B (en) * | 2015-11-26 | 2018-07-17 | 国网北京市电力公司 | The method and apparatus for repairing cable |
| CN105514857A (en) * | 2015-11-26 | 2016-04-20 | 国网北京市电力公司 | Method and apparatus for repairing cable |
| CN107121133A (en) * | 2016-02-24 | 2017-09-01 | 中铁二十二局集团第工程有限公司 | A kind of subway work vertical shaft connection triangle alignment system |
| CN105674967A (en) * | 2016-03-31 | 2016-06-15 | 中铁四局集团第一工程有限公司 | Method for measuring rail transportation shaft relation |
| CN106767731A (en) * | 2016-11-30 | 2017-05-31 | 中国电建集团铁路建设有限公司 | A kind of connection triangle measurement apparatus and measuring method |
| CN106767731B (en) * | 2016-11-30 | 2019-06-07 | 中国电建集团铁路建设有限公司 | A kind of connection triangle measuring device and measuring method |
| CN108007425A (en) * | 2018-01-29 | 2018-05-08 | 重庆建工集团股份有限公司 | A kind of subway tunnel Two-staged technique measurement structure and measuring method |
| CN109211183A (en) * | 2018-10-18 | 2019-01-15 | 杜志刚 | Major long tunnel deep shaft corner intersection measurement method |
| CN109211183B (en) * | 2018-10-18 | 2021-05-25 | 杜志刚 | Corner intersection measuring method for long and large tunnel deep shaft |
| CN110966994A (en) * | 2019-12-16 | 2020-04-07 | 中铁大桥局第七工程有限公司 | Shaft connection method and measuring device for shaft connection method |
| CN110966994B (en) * | 2019-12-16 | 2022-02-22 | 中铁大桥局第七工程有限公司 | Shaft connection method and measuring device for shaft connection method |
| CN111829492A (en) * | 2020-07-24 | 2020-10-27 | 中交第二航务工程局有限公司 | Laser plummet application-based contact measurement method |
| CN111829492B (en) * | 2020-07-24 | 2021-11-30 | 中交第二航务工程局有限公司 | Laser plummet application-based contact measurement method |
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Application publication date: 20130522 |