CN109184702A - The measurement method of out break is controlled under the conditions of the more curves of Tunnel Engineering, minor radius - Google Patents
The measurement method of out break is controlled under the conditions of the more curves of Tunnel Engineering, minor radius Download PDFInfo
- Publication number
- CN109184702A CN109184702A CN201811106499.9A CN201811106499A CN109184702A CN 109184702 A CN109184702 A CN 109184702A CN 201811106499 A CN201811106499 A CN 201811106499A CN 109184702 A CN109184702 A CN 109184702A
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- Prior art keywords
- tunnel
- face
- sideline
- light beam
- out break
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Links
- 238000000691 measurement method Methods 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 31
- 238000005422 blasting Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 23
- 238000013461 design Methods 0.000 claims description 8
- 230000005641 tunneling Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000002271 resection Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013213 extrapolation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The measurement method of out break is controlled under the conditions of the more curves of Tunnel Engineering of the present invention, minor radius, comprising steps of the sideline of positioning face two sides；Positioning is located at two control points in Tunnel Blasting completion region, and the vertical line between control point and sideline is enabled to be parallel to tunnel piercing direction；Two laser levelers are respectively placed in two control points；The sideline of setting-out face two sides；Emit laser beam along sideline using two laser levelers, complete region and formed to collect for indicating first light beam in tunnel piercing direction in Tunnel Blasting, in forming the second light beam collection for indicating tunnel sideline on face；Out break construction is carried out under the instruction of the first light beam collection and the second light beam collection.Two first light beam collection, the two second light beam collection of tunnel two sides form control net, it can enable to observe control net in real time in time for constructing operation personnel by the control net of laser projection, out break construction is carried out under the restriction of control net, to ensure that construction quality.
Description
Technical field
The present invention relates to Tunnel Engineering technical fields, and in particular to controls under the conditions of a kind of more curves of Tunnel Engineering, minor radius
The measurement method of out break processed.
Background technique
Constructing tunnel mostly uses drilling and blasting method or shield construction, and while accelerating driving speed, both of which has certainly
The limitation of body proposes problem for the control of drilling and blasting method out break.
Conventional tunnel measurement method be release control line or to judge to carry out boring quick-fried operation into hole direction around face, but
To want strict control out break in more curves, minor radius constructing tunnel, it is ensured that structure safely, avoid people expect machine waste, improve
Quality mind.And if the prior art is directly applied into more curves, minor radius constructing tunnel, there is construction volume not easy to control and
Cause the underproof problem of out break.
Therefore, it is necessary to propose a kind of new method to solve this problem.
Summary of the invention
The difficult technical problem of out break construction in order to solve more curves, minor radius constructing tunnel, the present invention provides one
The measurement method of out break is controlled under the conditions of the more curves of kind Tunnel Engineering, minor radius.
The measurement method of out break is controlled under the conditions of the more curves of Tunnel Engineering provided by the invention, minor radius, comprising steps of
Position the sideline of face two sides；
Positioning is located at two control points in Tunnel Blasting completion region, enables hanging down between the control point and the sideline
Line is parallel to tunnel piercing direction；
Two laser levelers are respectively placed in two control points；
The sideline of setting-out face two sides；
Emit laser beam along the sideline using two laser levelers, completes region in the Tunnel Blasting and formed
The first light beam for indicating tunnel piercing direction collects, in forming the second light beam for indicating tunnel sideline on the face
Collection；
Out break construction is carried out under the instruction of the first light beam collection and the second light beam collection.
The present invention provides a kind of method of more curves, minor radius tunnel control out break, the present invention passes through projection laser
It forms control net to be projected on face, laser can refer to guide margin line position, tunnel piercing direction.Specifically, along the side of unwrapping wire
Line projects laser beam, completes region in Tunnel Blasting and forms the first light beam collection, and the first light beam collection and sideline intersect at sideline top
End, in being formed on face for indicating tunnel sideline the second light beam collection, the second light beam collection is distributed along sideline.The two of tunnel two sides
First light beam collection, two second light beam collection form control net, can be made by the control net of laser projection for constructing operation personnel
It can observe control net in real time in time, out break construction be carried out under the restriction of control net, to ensure that construction quality.
The accurate measuring of the present invention go out face excavation control line, play the role of constantly remind, the alarm sounds continuously, guarantee more curves,
The precision that out break is controlled under the conditions of minor radius solves the problems, such as that out break is difficult to control in tunnel excavation work progress.
The further improvement for the measurement method for controlling out break under the conditions of the more curves of Tunnel Engineering of the present invention, minor radius exists
It include: to guarantee that two control points are located at the Tunnel Blasting and complete region in the step of, two control points of the positioning
Under the premise of on an interior parallel surface parallel with the face, calculated according to the initial parameters in tunnel and using line element method
The coordinate at the control point；According to the coordinate at the control point, the control point is determined using total station and resection method
Position.
Further improve that the measurement method of out break is controlled under the conditions of the more curves of Tunnel Engineering of the present invention, minor radius exists
In, guarantee two control points be located at the Tunnel Blasting complete in region with parallel one parallel of the face
Under the premise of on face, in the step of according to the initial parameters in tunnel and calculating the coordinate at the control point using line element method: described
Control point is located on the straight line parallel with the sideline on the parallel surface.
The further improvement for the measurement method for controlling out break under the conditions of the more curves of Tunnel Engineering of the present invention, minor radius exists
In, it is described positioning face two sides sideline the step of include: according to design drawing provide radius calculate tunneling operation face at
Circular curve arc length；Tunnel width is calculated according to circular curve arc length at the tunneling operation face；It is provided according to the design drawing
The sideline of face center and tunnel width positioning face two sides.
Detailed description of the invention
Fig. 1 is the measurement method of control out break under the conditions of the more curves of Tunnel Engineering of the embodiment of the present invention, minor radius
Flow chart.
Fig. 2 is the schematic diagram in tunnel piercing direction in the embodiment of the present invention.
Fig. 3 is the position view of the control net of the embodiment of the present invention.
Specific embodiment
The difficult technical problem of out break construction in order to solve more curves, minor radius constructing tunnel, the present invention provides one
The measurement method of out break is controlled under the conditions of the more curves of kind Tunnel Engineering, minor radius.
In the following with reference to the drawings and specific embodiments to controlling out break under the conditions of the more curves of Tunnel Engineering of the present invention, minor radius
The preferred embodiment of measurement method be described further.Those skilled in the art can be by content disclosed by this specification easily
Ground understands other advantages and effect of the invention.
In conjunction with shown in Fig. 1 to Fig. 3, out break is controlled under the conditions of the more curves of Tunnel Engineering provided by the invention, minor radius
Measurement method, comprising steps of
Step 101: the sideline of positioning face two sides (sideline is covered by the second light beam collection 62 in Fig. 3)；
Step 102: positioning is located at two control points 30 in Tunnel Blasting completion region, enables between control point 30 and sideline
Vertical line be parallel to tunnel piercing direction 10；
Step 103: two laser leveler (not shown) are respectively placed in two control points 30；
Step 104: the sideline of 50 two sides of setting-out face；
Step 105: emitting laser beam along sideline using two laser levelers, complete region formation in Tunnel Blasting and be used for
The the first light beam collection 61 for indicating tunnel piercing direction 10, in forming the second light beam collection for indicating tunnel sideline on face 50
62；
Step 106: out break construction is carried out under the instruction of the first light beam collection 61 and the second light beam collection 62.
Conventional method is only controlled by setting-out, limits out break construction, and with the progress of construction, Loft Line can be gradually
The method of disappearing without is observed, out break after losing the guidance of Loft Line construction the problems such as there are low precisions.Especially more
It is high to the required precision of out break construction in curve, minor radius constructing tunnel, therefore conventional method is dfficult to apply to mostly song
Line, minor radius constructing tunnel.
The present invention provides a kind of method of more curves, minor radius tunnel control out break, the present invention passes through projection laser
It forms control net to be projected on face 50, laser can refer to guide margin line position, tunnel piercing direction 10.Specifically, along unwrapping wire
Sideline project laser beam, complete region in Tunnel Blasting and form the first light beam collection 61, and the first light beam collection 61 intersects with sideline
In sideline top, in being formed on face 50 for indicating tunnel sideline the second light beam collection 62, the second light beam collection 62 is along sideline point
Cloth.Two first light beam collection 61, the two second light beam collection 62 of tunnel two sides form control net, pass through the control net of laser projection
It can enable to observe control net in real time in time for constructing operation personnel, out break construction is carried out under the restriction of control net,
To ensure that construction quality.The accurate measuring of the present invention goes out the control line of the excavation of face 50, and it is long to play prompting, alarm bell constantly
The effect of ring guarantees the precision of control out break under the conditions of more curves, minor radius, solves and surpass in tunnel excavation work progress
It owes to dig uncontrollable problem.
In step 104, in the sideline of 50 setting-out face 50 of face.Method used by setting-out sideline is this field
Conventional technical means.
In step 105, emit laser beam along sideline, is conducive to the accuracy for improving laser projection.It is same convenient for construction personnel
When refer to the first light beam collection 61 and the second light beam collection 62, improve construction precision, be especially more advantageous to improve sideline position construction
Precision improves accuracy and convenience.At a control point 30, placement laser leveler and essence put down, sight 50 sideline of face and be linked to be
One control line, yet another side place laser leveler and form another control line.
Further, step 102 include: guarantee two control points 30 be located at Tunnel Blasting complete region in
Under the premise of on the parallel parallel surface of face 50, control point 30 is calculated according to the initial parameters in tunnel and using line element method
Coordinate；According to the coordinate at control point 30, the position at control point 30 is determined using total station and resection method.Specifically, may be used
Using line element method, the coordinate at control point 30 is calculated according to the initial parameters in tunnel.Line element method and resection method are this field
Technical staff's common method.
Further, guarantee two control points 30 be located at Tunnel Blasting complete region in 50 phase of face
Under the premise of on a parallel parallel surface, the step of the coordinate at control point 30 is calculated according to the initial parameters in tunnel and using line element method
In rapid: control point 30 is located on the straight line parallel with sideline on parallel surface.According to the starting point coordinate of certain section of route, orientation
The node elements such as angle, terminus pile No. ensure control point 30 and 50 sideline of face on same circle and distance to calculate coordinate
Meet and be not more than 1 meter, determines that the anchor point of two sides abutment wall is control point 30 using total station resection method.
Further, step 105 includes: to calculate circular curve arc at tunneling operation face according to the radius that design drawing provides
It is long；Tunnel width is calculated according to circular curve arc length at tunneling operation face；According to design drawing provide face center and
The sideline of tunnel width positioning face two sides.Method employed in the step of calculating, positioning, setting-out edge positions is all this
The conventional technical means in field.
In step 105, adjust the angle of two laser levelers, make its be aligned sideline transmitting laser beam, the first of formation
Light beam integrates 61 direction as tunnel piercing direction 10 and perpendicular to face 50, and the direction of the second light beam collection 62 of formation is along sideline
Distribution.
Further, it before step 104, further comprises the steps of: and is counted according to the tunnel piercing direction 10 that design drawing provides
Construction data is calculated, construction data includes bore position, extrapolation angle, drilling depth and excavation height.Conscientious researching and designing drawing
In conjunction with live face 50,50 bore position of face, extrapolation angle, drilling depth, excavation height are accurately calculated.Calculate the palm
The position of opening in sub- 50 position of face and tunnel piercing direction 10, outer limb, drilling depth, excavation height are simultaneously identified into hole side
To.
Further, step 106 includes: to check construction data using total station；Progress out break is netted according to control to apply
Work.
In the embodiment of the present invention, by carrying out construction survey setting-out to face 50, being accurately positioned control point 30, formation control
The step of net processed, out break construction operation, ensure that the precision that out break is controlled under the conditions of more curves, minor radius.
In the present invention, conscientious researching and designing drawing combines live face 50, accurately calculate 50 bore position of face,
Extrapolation angle, drilling depth, excavation height；Region is completed in Tunnel Blasting and sets two control points 30, control net is formed, in control
To projection laser after disposing laser leveler, essence flat on system point 30.Setting-out goes out middle line on tunnel tunnel face 50, sideline, absolute altitude control
Line processed is simultaneously marked on face 50, and middle line can determine that tunnel piercing originating party can determine that tunnel elevation, sideline can determine to, absolute altitude
Tunnel contour, rotary laser level meter, make its emit laser beam and 50 sideline of face connect it is into a line, as Construction control
Line forms construction control network；Using total station review 50 data of face, ensure that data are accurate, bores quick-fried personnel according to laser water
The control net of level offer carries out bore operation；Specifically, radius is provided according to design drawing calculate circle song at tunneling operation face
Bank is long, is left tunnel RightWall length (tunnel width)；It is calculated according to tunnel piercing direction 10 empty with the brill of face 50
Position, outer limb, drilling depth and excavation height；Two reference lines are set using total station, are cooked up by two reference lines
The area of face 50 lays Hole pattern parameters, country rock rating calculation explosive payload for tunnel tunnel face 50.
The present invention measures preparation before making full use of construction of explosion operation, convenient and efficient to identify tunnel piercing direction 10
Contour line prevents rather super not deficient traditional idea, increases safety of structure by using this mode, reduction people expects that machine investment makes
With, accelerate construction progress, realize reduce cost input green construction theory.
The above is only presently preferred embodiments of the present invention, not do limitation in any form to the present invention, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
In the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to
With the equivalent embodiment of variation, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention to
Any simple modification, equivalent change and modification made by upper embodiment, all of which are still within the scope of the technical scheme of the invention.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.
Claims (4)
1. controlling the measurement method of out break under the conditions of a kind of more curves of Tunnel Engineering, minor radius, which is characterized in that including step
It is rapid:
Position the sideline of face two sides；
Positioning is located at two control points in Tunnel Blasting completion region, enables the vertical line between the control point and the sideline flat
Row is in tunnel piercing direction；
Two laser levelers are respectively placed in two control points；
The sideline of setting-out face two sides；
Emit laser beam along the sideline using two laser levelers, completes region formation in the Tunnel Blasting and be used for
First light beam in mark tunnel piercing direction collects, in forming the second light beam collection for indicating tunnel sideline on the face；
Out break construction is carried out under the instruction of the first light beam collection and the second light beam collection.
2. controlling the measurement method of out break, feature under the conditions of the more curves of Tunnel Engineering as described in claim 1, minor radius
It is, the positioning is located at the step of Tunnel Blasting completes two control points in region and includes:
Guaranteeing that it is flat that two control points are located at one parallel with the face that the Tunnel Blasting is completed in region
Under the premise of on row face, the coordinate at the control point is calculated according to the initial parameters in tunnel and using line element method；
According to the coordinate at the control point, the position at the control point is determined using total station and resection method.
3. controlling the measurement method of out break, feature under the conditions of the more curves of Tunnel Engineering as claimed in claim 2, minor radius
It is, is guaranteeing that it is flat that two control points are located at one parallel with the face that the Tunnel Blasting is completed in region
Under the premise of on row face, in the step of according to the initial parameters in tunnel and calculating the coordinate at the control point using line element method: institute
It states on the straight line parallel with the sideline that control point is located on the parallel surface.
4. controlling the measurement method of out break, feature under the conditions of the more curves of Tunnel Engineering as described in claim 1, minor radius
Be, it is described positioning face two sides sideline the step of include:
Circular curve arc length at tunneling operation face is calculated according to the radius that design drawing provides；
Tunnel width is calculated according to circular curve arc length at the tunneling operation face；
The sideline of the face center provided according to the design drawing and tunnel width positioning face two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811106499.9A CN109184702B (en) | 2018-09-21 | 2018-09-21 | Measuring method for controlling overbreak and underbreak under multi-curve and small-radius conditions of tunnel engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811106499.9A CN109184702B (en) | 2018-09-21 | 2018-09-21 | Measuring method for controlling overbreak and underbreak under multi-curve and small-radius conditions of tunnel engineering |
Publications (2)
| Publication Number | Publication Date |
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| CN109184702A true CN109184702A (en) | 2019-01-11 |
| CN109184702B CN109184702B (en) | 2020-04-24 |
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| CN201811106499.9A Active CN109184702B (en) | 2018-09-21 | 2018-09-21 | Measuring method for controlling overbreak and underbreak under multi-curve and small-radius conditions of tunnel engineering |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397454A (en) * | 2020-03-31 | 2020-07-10 | 西南交通大学 | Method for realizing spiral tunnel blasting drilling construction |
| CN111927472A (en) * | 2020-08-17 | 2020-11-13 | 中铁七局集团第三工程有限公司 | Rapid indication method for tunnel excavation profile |
| CN114254418A (en) * | 2021-11-26 | 2022-03-29 | 中铁二局集团有限公司 | Method for acquiring overbreak area of tunnel section |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397454A (en) * | 2020-03-31 | 2020-07-10 | 西南交通大学 | Method for realizing spiral tunnel blasting drilling construction |
| CN111397454B (en) * | 2020-03-31 | 2021-06-22 | 西南交通大学 | Method for realizing spiral tunnel blasting drilling construction |
| CN111927472A (en) * | 2020-08-17 | 2020-11-13 | 中铁七局集团第三工程有限公司 | Rapid indication method for tunnel excavation profile |
| CN114254418A (en) * | 2021-11-26 | 2022-03-29 | 中铁二局集团有限公司 | Method for acquiring overbreak area of tunnel section |
| CN114254418B (en) * | 2021-11-26 | 2024-04-05 | 中铁二局集团有限公司 | Method for acquiring super-underexcavation area of tunnel section |
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| CN109184702B (en) | 2020-04-24 |
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