CN102418515A - Method for performing shaft orientation survey by using optical plummet - Google Patents
Method for performing shaft orientation survey by using optical plummet Download PDFInfo
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- CN102418515A CN102418515A CN2011102652519A CN201110265251A CN102418515A CN 102418515 A CN102418515 A CN 102418515A CN 2011102652519 A CN2011102652519 A CN 2011102652519A CN 201110265251 A CN201110265251 A CN 201110265251A CN 102418515 A CN102418515 A CN 102418515A
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Abstract
The invention relates to the field of tunnels, in particular to a method for performing shaft orientation survey by using an optical plummet. The method is characterized by comprising the following steps of: drawing a tunnel axis on two sides on a top surface of a shaft (1), allowing a total station (4) or a transit frame to aim at a tunnel axis far away from the total station or the transit frame, erecting an automatic level laser optical plummet (5) on a tunnel central axis, plumbing a bottom on a shaft bottom embedded steel sheet (7) and marking, after the optical plummet is rotated 90 degrees each time, marking the points plumbed at the shaft bottom, plumbing 5 points on two sides in the range near the wall respectively to obtain the tunnel axis; and replacing survey crew to obtain a regression line again, wherein the bisector of an acute angle which is formed between two regression lines is used as a tunnel excavation direction control line. The method has the advantages that: the using range of the optical plummet is widened, cost is reduced, the survey accuracy is improved and the application range is widened, and the method can be applied to shaft orientation of mines, and tunnels.
Description
[technical field]
The present invention relates to the field, tunnel, specifically a kind of method that adopts plumb aligner to carry out shaft orientation survey.
[background technology]
Shaft orientation survey be through vertical shaft with plane coordinates in the earth axes and direction, be delivered to the surveying work of down-hole.Press oriented approach, can be divided into the directed and two wells orientation of a well.One well orientation is the shaft orientation survey that carries out at a vertical shaft.Be in a vertical shaft, to hang two weight lines or two visible light beams of vertical ground emission simultaneously simultaneously; Through ground and down-hole translocation; With the plane coordinates in double plumb line center or light beam axle center and the grid azimuth of line thereof, pass to the control point and the polygon leg of down-hole.
Present domestic completion ground control survey system is delivered to down-hole control survey system conventional method has two normal line methods, gyrocompassing method and connection triangle method.Wherein the gyrocompassing method must the gyrocompassing appearance, and connection triangle method needs the footpath, hole big and need establish working platform at the hole wall.And two normal line methods receive in the well wind to influence swing and be difficult for stable more greatly with dripping.
[summary of the invention]
The objective of the invention is to above-mentioned deficiency, design a kind of high accuracy, shaft plumbing method cheaply.
To achieve these goals, the present invention designs and adopts plumb aligner to carry out the method for shaft orientation survey, it is characterized in that may further comprise the steps:
A, at first carry out ground control survey; Emit the tunnel axis in vertical shaft (1) end face both sides; Wherein outer axis point 1 (2) requirement of well is from the nearer firm place of well head; The outer axis point 2 (3) of well requires from well head 200m to 300m, and these two points should be included the control survey point in and carry out adjustment, and adjust according to adjustment result;
B, then with total powerstation (4) or transit frame from the nearer tunnel axis point aiming of well head tunnel axis point at a distance in addition;
C, then set up firm operating platform at the well head end face; Self leveling laser plummet (5) is erected on the tunnel axis; After confirming that plumb aligner top laser beam is positioned on the axis of tunnel (6), with the bottom cultellation in the shaft bottom pre-embedded steel slab (7) go up marked; Then plumb aligner is whenever revolved and carries out gauge point that throw in the shaft bottom after turning 90 degrees, draw then a minimum circle with four gauge point circles in circle, centre point is exactly the axis point of this position, place;
D, respectively threw 5 points in both sides near wall 50cm scope according to the method in a last step, dot spacing is controlled at about 10cm, then these points is looked for a linear regression line, and the gained tropic is exactly the tunnel axis;
E, replace survey crew at last, independent according to the method described above the completion obtains a tropic one time again, and two tropic azimuth angle deviation satisfy needs code requirements, and two folded acute angle bisectors of the tropic are controlled traverse line as tunnel excavation.
Said total station accuracy minimum requirements is an angle measurement accuracy 2 ", the precision minimum requirements of said self leveling laser plummet is self leveling precision ± 1 ", a survey time, vertical locating tab assembly standard deviation was ± 1mm/100m spot diameter≤3mm/50m.
The present invention compared with prior art, its advantage is: expanded the scope of application of plumb aligner, when reducing cost, improved the certainty of measurement and the scope of application, can be applicable to the shaft plumbing in mine, tunnel and tunnel.
[description of drawings]
Fig. 1 is a sketch map of the present invention;
Referring to Fig. 1,1 is vertical shaft, and 2 is that the outer axis point 1,3 of well is that the outer axis point 2,4 of well is a total powerstation, and 5 is the self leveling laser aiming instrument, and 6 is tunnel, and 7 is pre-embedded steel slab.
[specific embodiment]
Below in conjunction with accompanying drawing, the present invention is further specified.
Yichang City Xiaoting two water diversion tunnel project as an example.The water intaking of Yi Chang city Xiaoting District two water factories water supply projects is through the pressure tunnel small stream bath storehouse water intaking of following what is right.Pressure tunnel length overall 2525.43m, the section after tunnel is shaped is diameter 1.7m, and it is thick that tunnel is established secondary cast-in-situ reinforced concrete lining cutting 200mm from inside to outside respectively, and first steel bar concrete prefabricated section assembly unit lining cutting 150mm is thick.Because tunnel is longer, need be at main tunnel 3 holes are set along the line.According to the position of main tunnel, in conjunction with landform, geomorphic feature, one hole is set at the K0+891.909 place, the type in a hole is a vertical shaft, circular reinforced concrete structure.According to in-site measurement, the degree of depth of vertical shaft cavitation reaches 32.6m.Because main tunnel excavation need use mine car, for practicing thrift investment, according to the profile of mine car, the internal diameter of vertical shaft is made as 3.5m, wall thickness 0.35m.Need tunnel about 380m respectively to big or small mileage direction by vertical shaft.
Vertical shaft need cause the shaft bottom with well face tunnel axial line control point before the driving of both sides.Have only about 3m owing to cause the direction control point distance in shaft bottom, need be no more than 20cm according to Hydraulic Engineering Survey code requirement error according to the tunnel drivage about these two each 380m of point control both sides.It is very high to cause shaft bottom axis required precision, and azimuth angle deviation does not allow to surpass 1 ' 49 " (be equivalent to if one of them point is accurate, another one point off-axis is no more than 1.58mm).
For this reason, the present invention adopts the plumb aligner method to carry out shaft orientation survey, and final piercing error satisfies code requirement.
Referring to Fig. 1, concrete operation method of the present invention is following,
A, at first carry out ground control survey; Emit the tunnel axis in vertical shaft (1) end face both sides; Wherein outer axis point 1 (2) requirement of well is from the nearer firm place of well head; The outer axis point 2 (3) of well requires from well head 200m to 300m, and these two points should be included the control survey point in and carry out adjustment, and adjust according to adjustment result;
B, then with total powerstation (4) or transit frame from the nearer tunnel axis point aiming of well head tunnel axis point at a distance in addition;
C, then set up firm operating platform at the well head end face; Self leveling laser plummet (5) is erected on the tunnel axis; After confirming that plumb aligner top laser beam is positioned on the axis of tunnel (6), with the bottom cultellation in the shaft bottom pre-embedded steel slab (7) go up marked; Then plumb aligner is whenever revolved and carries out gauge point that throw in the shaft bottom after turning 90 degrees, draw then a minimum circle with four gauge point circles in circle, centre point is exactly the axis point of this position, place;
D, respectively threw 5 points in both sides near wall 50cm scope according to the method in a last step, dot spacing is controlled at about 10cm, then these points is looked for a linear regression line, and the gained tropic is exactly the tunnel axis;
E, replace survey crew at last, independent according to the method described above the completion obtains a tropic one time again, and two tropic azimuth angle deviation satisfy needs code requirements, and two folded acute angle bisectors of the tropic are controlled traverse line as tunnel excavation.
Said total station accuracy minimum requirements is an angle measurement accuracy 2 ", the precision minimum requirements of said self leveling laser plummet is self leveling precision ± 1 ", a survey time, vertical locating tab assembly standard deviation was ± 1mm/100m spot diameter≤3mm/50m.
Claims (2)
1. method that adopts plumb aligner to carry out shaft orientation survey is characterized in that may further comprise the steps:
A, at first carry out ground control survey; Emit the tunnel axis in vertical shaft (1) end face both sides; Wherein outer axis point 1 (2) requirement of well is from the nearer firm place of well head; The outer axis point 2 (3) of well requires from well head 200m to 300m, and these two points should be included the control survey point in and carry out adjustment, and adjust according to adjustment result;
B, then with total powerstation (4) or transit frame from the nearer tunnel axis point aiming of well head tunnel axis point at a distance in addition;
C, then set up firm operating platform at the well head end face; Self leveling laser plummet (5) is erected on the tunnel axis; After confirming that plumb aligner top laser beam is positioned on the axis of tunnel (6), with the bottom cultellation in the shaft bottom pre-embedded steel slab (7) go up marked; Then plumb aligner is whenever revolved and carries out gauge point that throw in the shaft bottom after turning 90 degrees, draw then a minimum circle with four gauge point circles in circle, centre point is exactly the axis point of this position, place;
D, respectively threw 5 points in both sides near wall 50cm scope according to the method in a last step, dot spacing is controlled at about 10cm, then these points is looked for a linear regression line, and the gained tropic is exactly the tunnel axis;
E, replace survey crew at last, independent according to the method described above the completion obtains a tropic one time again, and two tropic azimuth angle deviation satisfy needs code requirements, and two folded acute angle bisectors of the tropic are controlled traverse line as tunnel excavation.
2. a kind of method that adopts plumb aligner to carry out shaft orientation survey as claimed in claim 1; It is characterized in that said total station accuracy minimum requirements is an angle measurement accuracy 2 "; the precision minimum requirements of said self leveling laser plummet is self leveling precision ± 1 "; One survey time, vertical locating tab assembly standard deviation was ± 1mm/100m spot diameter≤3mm/50m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110265251.9A CN102418515B (en) | 2011-09-08 | 2011-09-08 | Method for performing shaft orientation survey by using optical plummet |
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| CN201110265251.9A CN102418515B (en) | 2011-09-08 | 2011-09-08 | Method for performing shaft orientation survey by using optical plummet |
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| CN102418515B CN102418515B (en) | 2014-04-23 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103775064A (en) * | 2014-01-10 | 2014-05-07 | 国家电网公司 | Device for detecting quality of hole formed in hole-digging cast-in-place pile |
| RU2570688C2 (en) * | 2012-08-13 | 2015-12-10 | Бауэр Шпециальтифбау ГмбХ | Method and system for drilled well development and measurement |
| CN105863610A (en) * | 2016-06-15 | 2016-08-17 | 山东华联矿业股份有限公司 | Well-oriented inversion point intersection setting point orientation method |
| CN106895820A (en) * | 2017-02-09 | 2017-06-27 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation measuring method of tunnel shaft |
| CN106908048A (en) * | 2017-02-09 | 2017-06-30 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation measuring method of deep shaft |
| CN106979769A (en) * | 2017-02-09 | 2017-07-25 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation construction survey method of tunnel shaft |
| CN106979768A (en) * | 2017-02-09 | 2017-07-25 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation construction survey method of deep shaft |
| CN109238254A (en) * | 2018-09-30 | 2019-01-18 | 北京市政建设集团有限责任公司 | A kind of hole stake cultellation method |
| CN111794731A (en) * | 2020-07-10 | 2020-10-20 | 中国水利水电第十二工程局有限公司 | Large-inclination long inclined shaft control measurement method |
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| US20030155121A1 (en) * | 2002-02-15 | 2003-08-21 | Jones Dale A. | Logging-while-drilling apparatus and methods for measuring density |
| CN101368472A (en) * | 2008-10-09 | 2009-02-18 | 中国水利水电第十四工程局有限公司 | Method for accurately positioning and orienting drill hole of top arch |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2570688C2 (en) * | 2012-08-13 | 2015-12-10 | Бауэр Шпециальтифбау ГмбХ | Method and system for drilled well development and measurement |
| US9464518B2 (en) | 2012-08-13 | 2016-10-11 | Bauer Spezialtiefbau Gmbh | Method and device for producing and measuring a borehole |
| CN103775064A (en) * | 2014-01-10 | 2014-05-07 | 国家电网公司 | Device for detecting quality of hole formed in hole-digging cast-in-place pile |
| CN103775064B (en) * | 2014-01-10 | 2016-08-17 | 国家电网公司 | Digging hole filling pile hole quality detection device |
| CN105863610A (en) * | 2016-06-15 | 2016-08-17 | 山东华联矿业股份有限公司 | Well-oriented inversion point intersection setting point orientation method |
| CN106908048A (en) * | 2017-02-09 | 2017-06-30 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation measuring method of deep shaft |
| CN106895820A (en) * | 2017-02-09 | 2017-06-27 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation measuring method of tunnel shaft |
| CN106979769A (en) * | 2017-02-09 | 2017-07-25 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation construction survey method of tunnel shaft |
| CN106979768A (en) * | 2017-02-09 | 2017-07-25 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation construction survey method of deep shaft |
| CN106908048B (en) * | 2017-02-09 | 2019-04-12 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate of deep shaft transmits cultellation measurement method |
| CN106979768B (en) * | 2017-02-09 | 2019-04-23 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate of deep shaft transmits cultellation construction survey method |
| CN106979769B (en) * | 2017-02-09 | 2019-04-23 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate of tunnel shaft transmits cultellation construction survey method |
| CN109238254A (en) * | 2018-09-30 | 2019-01-18 | 北京市政建设集团有限责任公司 | A kind of hole stake cultellation method |
| CN111794731A (en) * | 2020-07-10 | 2020-10-20 | 中国水利水电第十二工程局有限公司 | Large-inclination long inclined shaft control measurement method |
| CN111794731B (en) * | 2020-07-10 | 2023-03-14 | 中国水利水电第十二工程局有限公司 | Large-inclination long inclined shaft control measurement method |
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| CN102418515B (en) | 2014-04-23 |
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Owner name: CHINA RAILWAY ENGINEERING BUREAU GROUP SHANGHAI MU Free format text: FORMER NAME: SHANGHAI CIVIL ENGINEERING MUNICIPAL ENGINEERING CO., LTD. |
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Inventor after: Yue Lizhang Inventor after: Zhang Haitao Inventor after: Zhang Lixin Inventor after: Liu Xueping Inventor after: Deng Yongchi Inventor after: Wang Jing Inventor after: Ma Liang Inventor before: Yue Lizhang Inventor before: Liu Xueping Inventor before: Shao Baomin Inventor before: Ma Liang Inventor before: Wang Ronggao |
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Free format text: CORRECT: INVENTOR; FROM: YUE LIZHANG LIU XUEPING SHAO BAOMIN MA LIANG WANG RONGGAO TO: YUE LIZHANG ZHANG HAITAO ZHANG LIXIN LIU XUEPING DENG YONGCHI WANG JING MA LIANG |
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Address after: 200331 A District, building 88, Lane 3, Wuwei Road, Shanghai, Putuo District, China Patentee after: China Railway Engineering Bureau Group Shanghai Municipal Engineering Co., Ltd. Address before: 200331 A District, building 88, Lane 3, Wuwei Road, Shanghai, Putuo District, China Patentee before: Municipal Engineering Co.,Ltd. Of CREC Shanghai |