CN102418515B - 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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- CN102418515B CN102418515B CN201110265251.9A CN201110265251A CN102418515B CN 102418515 B CN102418515 B CN 102418515B CN 201110265251 A CN201110265251 A CN 201110265251A CN 102418515 B CN102418515 B CN 102418515B
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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 field, tunnel, specifically a kind of method that adopts plumb aligner to carry out shaft orientation survey.
[background technology]
Shaft orientation survey be by vertical shaft by the plane coordinates in earth axes and direction, be delivered to the surveying work of down-hole.Press oriented approach, can be divided into well orientation and two well orientations.One well orientation is the shaft orientation survey carrying out at a vertical shaft.In a vertical shaft, to hang two weight lines simultaneously or launch two visible light beams simultaneously vertical, by ground and down-hole translocation, by double plumb line center or the plane coordinates in light beam axle center and the grid azimuth of line thereof, pass to control point and the polygon leg of down-hole.
At present the domestic ground control survey system that completes is delivered to down-hole control survey system conventional method and has two normal line methods, gyrocompassing method and connection triangle method.Wherein gyrocompassing method must gyrocompassing instrument, and connection triangle method needs footpath, hole large and need to establish working platform at hole wall.And two normal line methods are subject to wind in well to affect swing more difficult stablizing with dripping.
[summary of the invention]
The object of the invention is for above-mentioned deficiency, design a kind of high accuracy, Shaft Directional Methods 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 comprising the following steps:
A, first carry out ground control survey, in vertical shaft (1) end face both sides, emit tunnel axis, wherein outer axis point 1 requirement of well from well head close to firm place, the outer axis point 2 of well requires from well head 200m to 300m, these two points should be included control survey point in and carry out adjustment, and adjust according to adjustment result;
B, then total powerstation (4) or transit frame axis point 1 outside well is aimed to axis point 2 outside other well;
C, then at well head end face, set up firm operating platform, self leveling laser plummet (5) is erected on tunnel axis, after determining that plumb aligner top laser beam is positioned on the axis of tunnel (6), bottom cultellation is carried out to mark on shaft bottom pre-embedded steel slab (7); Then will after every plumb aligner 90-degree rotation, carry out gauge point that throw in shaft bottom, then draw minimum circle by four gauge point circles in circle, centre point is exactly the axis point of this position, place;
D, according to the method for previous step is each within the scope of near wall 50cm in both sides, throw 5 points, dot spacing is controlled at 10cm, then these points is looked for to a linear regression line, and the gained tropic is exactly tunnel axis;
E, finally replace survey crew, complete independently obtains a tropic for one time more according to the method described above, and two tropic azimuth angle deviation need meet code requirement, using two folded acute angle bisectors of the tropic as tunnel excavation controlling party to line.
Described total station accuracy minimum requirements is angle measurement accuracy 2 ", the precision minimum requirements of described self leveling laser plummet is self leveling precision ± 1 ", and standard deviation in one measurement is ± 1mm/100m, spot diameter≤3mm/50m.
Compared with prior art, its advantage is in the present invention: expanded the scope of application of plumb aligner, when reducing costs, improved certainty of measurement and the scope of application, can be applicable to the shaft plumbing in mine, tunnel and tunnel.
[accompanying drawing explanation]
Fig. 1 is schematic diagram 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 total powerstation, and 5 is 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 will be further described.
Yi Yi prosperous city Xiao booth two water factory's water diversion tunnel projects are example.The two Water Works engineerings water intakings of Xiaoting District, Yi Chang city are by the pressure tunnel small stream bath storehouse water intaking of following what is right.Pressure tunnel overall length 2525.43m, the section after tunnel is shaped is diameter 1.7m, and it is thick that tunnel is established respectively secondary cast-in-situ reinforced concrete lining cutting 200mm from inside to outside, and the first assembled lining cutting 150mm of Prefabricated reinforced concrete piece is thick.Because tunnel is longer, need to 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 K0+891.909 place, the type in a hole is 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 to be used mine car, for saving investment, according to the profile of mine car, the internal diameter of vertical shaft is made as 3.5m, wall thickness 0.35m.By vertical shaft, to big or small mileage direction, need respectively to tunnel 380m left and right.
Vertical shaft needs well face tunnel axial line control point to cause shaft bottom before the driving of both sides.Because the direction control point distance that causes shaft bottom only has 3m left and right, need to, according to the tunnel drivage of each 380m left and right, these two point control both sides, according to Hydraulic Engineering Survey code requirement error, be no more than 20cm.Cause shaft bottom axis required precision very high, azimuth angle deviation does not allow to exceed 1 ' 49 " (if it is accurate to be equivalent to one of them point, another one point off-axis is no more than 1.58mm).
For this reason, the present invention adopts plumb aligner method to carry out shaft orientation survey, and final piercing error meets code requirement.
Referring to Fig. 1, concrete operation method of the present invention is as follows,
A, first carry out ground control survey, in vertical shaft 1 end face both sides, emit tunnel axis, wherein outer axis point 1 requirement of well from well head close to firm place, the outer axis point 2 of well requires from well head 200m to 300m, these two points should be included control survey point in and carry out adjustment, and adjust according to adjustment result
B, then total powerstation (4) or transit frame axis point 1 outside well is aimed to axis point 2 outside well;
C, then at well head end face, set up firm operating platform, self leveling laser plummet (5) is erected on tunnel axis, after determining that plumb aligner top laser beam is positioned on the axis of tunnel (6), bottom cultellation is carried out to mark on shaft bottom pre-embedded steel slab (7); Then will after every plumb aligner 90-degree rotation, carry out gauge point that throw in shaft bottom, then draw minimum circle by four gauge point circles in circle, centre point is exactly the axis point of this position, place;
D, according to the method for previous step is each within the scope of near wall 50cm in both sides, throw 5 points, dot spacing is controlled at 10cm, then these points is looked for to a linear regression line, and the gained tropic is exactly tunnel axis;
E, finally replace survey crew, complete independently obtains a tropic for one time more according to the method described above, and two tropic azimuth angle deviation need meet code requirement, using two folded acute angle bisectors of the tropic as tunnel excavation controlling party to line.
Described total station accuracy minimum requirements is angle measurement accuracy 2 ", the precision minimum requirements of described self leveling laser plummet is self leveling precision ± 1 ", and standard deviation in one measurement is ± 1mm/100m, spot diameter≤3mm/50m.
Claims (2)
1. adopt plumb aligner to carry out a method for shaft orientation survey, it is characterized in that comprising the following steps:
A, first carry out ground control survey, in vertical shaft (1) end face both sides, emit tunnel axis, the wherein outer axis point 1(2 of well) requirement from well head close to firm place, the outer axis point 2(3 of well) require from well head 200m to 300m, these two points should be included control survey point in and carry out adjustment, and adjust according to adjustment result;
B, then total powerstation (4) or transit frame axis point 1 outside well is aimed to axis point 2 outside other well;
C, then at well head end face, set up firm operating platform, self leveling laser plummet (5) is erected on tunnel axis, after determining that plumb aligner top laser beam is positioned on the axis of tunnel (6), bottom cultellation is carried out to mark on shaft bottom pre-embedded steel slab (7); Then will after every plumb aligner 90-degree rotation, carry out gauge point that throw in shaft bottom, then draw minimum circle by four gauge point circles in circle, centre point is exactly the axis point of this position, place;
D, according to the method for previous step is each within the scope of near wall 50cm in both sides, throw 5 points, dot spacing is controlled at 10cm, then these points is looked for to a linear regression line, and the gained tropic is exactly tunnel axis;
E, finally replace survey crew, complete independently obtains a tropic for one time more according to the method described above, and two tropic azimuth angle deviation need meet code requirement, using two folded acute angle bisectors of the tropic as tunnel excavation controlling party to line.
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 described total station accuracy minimum requirements is angle measurement accuracy 2 "; the precision minimum requirements of described self leveling laser plummet is self leveling precision ± 1 ", standard deviation in one measurement is ± 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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| CN102418515A CN102418515A (en) | 2012-04-18 |
| CN102418515B true CN102418515B (en) | 2014-04-23 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2525921T3 (en) | 2012-08-13 | 2015-01-02 | Bauer Spezialtiefbau Gmbh | Procedure and device to produce and measure a perforation |
| 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 |
| 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 |
| 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 |
| CN106895820B (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 tunnel 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 |
| 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 |
| 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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| 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 |
| CN101705814A (en) * | 2009-12-03 | 2010-05-12 | 中冶集团华冶资源开发有限责任公司 | Advancing direction measurement method of vertical and slant orepasses |
| CN101975059A (en) * | 2010-10-31 | 2011-02-16 | 刘玉明 | Mark-guide underground operation process |
| CN102108856A (en) * | 2010-12-07 | 2011-06-29 | 西安石油大学 | Small-angle well inclination state measuring method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6666285B2 (en) * | 2002-02-15 | 2003-12-23 | Precision Drilling Technology Services Group Inc. | Logging-while-drilling apparatus and methods for measuring density |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101705814A (en) * | 2009-12-03 | 2010-05-12 | 中冶集团华冶资源开发有限责任公司 | Advancing direction measurement method of vertical and slant orepasses |
| CN101975059A (en) * | 2010-10-31 | 2011-02-16 | 刘玉明 | Mark-guide underground operation process |
| CN102108856A (en) * | 2010-12-07 | 2011-06-29 | 西安石油大学 | Small-angle well inclination state measuring method and device |
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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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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 |