CN106761797B - A kind of method of heavy grade curve shield driving vertical missing control and correction - Google Patents
A kind of method of heavy grade curve shield driving vertical missing control and correction Download PDFInfo
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- CN106761797B CN106761797B CN201611211329.8A CN201611211329A CN106761797B CN 106761797 B CN106761797 B CN 106761797B CN 201611211329 A CN201611211329 A CN 201611211329A CN 106761797 B CN106761797 B CN 106761797B
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- shield
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
A kind of method of heavy grade curve shield driving vertical missing control and correction, it is prefabrication type standard section of jurisdiction that subway work, which uses, wherein section of jurisdiction is divided into left-hand rotation type, right-hand rotation type and straight trip type, since turning section of jurisdiction is directed to horizontal curve turn designs, and when the correction of heavy grade upward slope section vertical curve, the upward component of jack need to overcome shield body to be self-possessed, it is more difficult compared to horizontal curve section, therefore below by analysis about two key factors rectified a deviation partially of hanging down, that is segment overshoot and oil cylinder stroke is poor, hang down inclined direction be vertically to.In shield machine progradation, shield pitch angle cannot be controlled fully according to the route of design, but be greater than or be less than value of slope.If being less than value of slope, posture can not control very well, then the gradient is greater than design grade when needing actually to promote.For poor (x-y) the two values of segment overshoot FC and oil cylinder stroke, corresponding control measure are taken, guarantee the validity of shield driving posture correction.
Description
Technical field
The present invention relates to the construction methods of heavy grade curve shield driving vertical missing control and correction, belong to subway work
Technical field.
Background technique
The development in city has driven the development of urban rail transit construction, in the selection of rail line, due to being planned
And build, the restriction of structures, this makes the linear of rail traffic become increasingly complex.Though heavy grade tunnel linear does not belong to well,
It above will be more and more applying.This method relies on No. 3 line shield drivings of Tianjin Underground, according to limit heavy grade section line style
The new method that shield work demand is developed.For in the construction of heavy grade shield driving, how selection determines oil cylinder stroke parameter, pipe
The assembly of piece point and segment selection are weight difficult point contents, directly determine the cost etc. of the machinery, investment that use.Currently, domestic
The method that selection turning ring combines adjustment jack thrust that generallys use is promoted to heavy grade, improper will cause of this method value is entangled
Partially excessive or correction is insufficient, therefore often because constructing operation is improper, causes the offset of shield line style excessive, rectifies a deviation ruthless, section of jurisdiction
Badly broken or correction amount deficiency cause vertical missing increasing.
Shield span limit gradient propelling construction belongs to the heavy difficulties in city rail construction, is subtracted using which kind of method
Few segment damage and shield attitude deviation are excessive particularly important.Once it is excessive that off-course deviation occurs, the ride comfort of route will affect.
So perpendicular attitude shield method for correcting error practical value with higher and important social effect that research is fine.
Because traditional in the construction method rectified a deviation and promoted for limiting gradient shield, effect is undesirable, low efficiency, shield
Line style offset is excessive, segment damage is serious.Based on above-mentioned analysis, fine heavy grade curve shield driving vertical missing is developed
The method of control and correction.
Summary of the invention
The technical solution adopted by the present invention to solve the technical problems is:
A kind of method of heavy grade curve shield driving vertical missing control and correction, it is prefabrication type that subway work, which uses,
Standard section of jurisdiction, wherein section of jurisdiction is divided into left-hand rotation type, right-hand rotation type and straight trip type, and left-hand rotation type, right-hand rotation type and straight trip type mutually splice composition
Constructing metro tunnel lining tube.The present invention is directed to the type section of jurisdiction constructing tunnel.
Since turning section of jurisdiction is directed to horizontal curve turn designs, and when the correction of heavy grade upward slope section vertical curve, jack is upward
Component shield body need to be overcome to be self-possessed, it is more difficult compared to horizontal curve section, thus below will analysis about hang down rectify a deviation partially two it is important because
Element, i.e. segment overshoot and oil cylinder stroke are poor, hang down inclined direction be vertically to.
If AB is length of oil cylinder, elongation is s meters after the completion of promoting；
AC=BD distance between upper and lower oil cylinder stretcher for boot and shoe；AC=BD=l meters；
GH is climbing straight line, and the gradient is α ‰；
Known ∠ DFE is arctan α.It is similar to △ DFE by △ AFC, then ∠ DFE=∠ FAC, therefore release:
FC=AC*tan ∠ FAC=l*0.00 α * 1000
This formula, that is, segment overshoot calculation formula.FC value is theoretic segment overshoot.
In shield machine progradation, shield pitch angle cannot be controlled fully according to the route of design, but or be greater than or
Less than value of slope.If being less than value of slope, posture can not control very well, then the gradient is greater than design grade when needing actually to promote, and take
Value β ‰.
Design grade is α ‰, and actual grade is (alpha+beta) ‰, then advanced argument at this time is x=l* (alpha+beta) ‰ * 1000, and
Design advanced magnitude be ymm, the two differ (x-y) mm, this value be just in practical progradation by adjusting oil cylinder stroke
Difference.
For poor (x-y) the two values of segment overshoot FC and oil cylinder stroke, corresponding control measure are taken, guarantee shield
Promote the validity of posture correction.
Detailed description of the invention
Fig. 1 oil cylinder stroke and gradient relation schematic diagram.
Specific embodiment
AB is length of oil cylinder, and elongation is 1.8 meters after the completion of promoting；
AC=BD distance between upper and lower oil cylinder stretcher for boot and shoe, takes 5.5 meters；
GH is climbing vertical curve straight line, and the gradient is 28 ‰；
Known ∠ DFE is arctan0.028 °.It is similar to △ DFE by △ AFC, then ∠ DFE=∠ FAC, therefore release:
FC=AC*tan ∠ FAC=5.5*0.028*1000=154mm
This formula, that is, segment overshoot calculation formula.FC value is theoretic segment overshoot.
In fact, shield pitch angle cannot be controlled fully according to the route of design in practical progradation, but or it is big
In or less than value of slope.If being less than value of slope, posture can not control very well, then the gradient is greater than design slope when needing actually to promote
Degree, value 5 ‰.Now (when if desired rectifying a deviation, then needed bigger) for 5 ‰:
Design grade is 28 ‰, and actual grade is 33 ‰, then advanced argument at this time is 5500*0.033=182mm, and is set
Meter advanced magnitude be 154mm, the two differ 28mm, this value be just in practical progradation by adjusting oil cylinder stroke it is poor.
This calculation method can also be used to other gradients.For segment overshoot and the two poor values of oil cylinder stroke, take
The measure of effect, so that it may guarantee the validity of shield driving posture correction.
Claims (1)
1. a kind of method of heavy grade curve shield driving vertical missing control and correction, it is characterised in that: subway work uses
It is prefabrication type standard section of jurisdiction, wherein section of jurisdiction is divided into left-hand rotation type, right-hand rotation type and straight trip type, left-hand rotation type, right-hand rotation type and straight trip type phase
Mutually splicing composition constructing metro tunnel lining tube；
Since turning section of jurisdiction is directed to horizontal curve turn designs, and when the correction of heavy grade upward slope section vertical curve, upward point of jack
Power need to overcome shield body to be self-possessed, more difficult compared to horizontal curve section, therefore below by analysis about two key factors rectified a deviation partially of hanging down, i.e.,
Segment overshoot and oil cylinder stroke are poor, hang down inclined direction be vertically to；
If AB is length of oil cylinder, elongation is s meters after the completion of promoting；
AC and BD distance between upper and lower oil cylinder stretcher for boot and shoe；AC=BD=l meters；
GH is climbing straight line, and the gradient is α ‰；
Known ∠ DFE is arctan α；It is similar to △ DFE by △ AFC, then ∠ DFE=∠ FAC, therefore release:
FC=AC*tan ∠ FAC=l*0.00 α * 1000
This formula, that is, segment overshoot calculation formula；FC value is theoretic segment overshoot；
In shield machine progradation, shield pitch angle cannot be controlled fully according to the route of design, but or be greater than or be less than
Value of slope；If being less than value of slope, posture can not control very well, then the gradient is greater than design grade, value when needing actually to promote
β‰；
Design grade is α ‰, and actual grade is (alpha+beta) ‰, then advanced argument at this time is x=l* (alpha+beta) ‰ * 1000, and is designed
Advanced magnitude be ymm, the two differ (x-y) mm, this value be just in practical progradation by adjusting oil cylinder stroke it is poor；
For poor (x-y) the two values of segment overshoot FC and oil cylinder stroke, corresponding control measure are taken, guarantee shield driving
The validity of posture correction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211329.8A CN106761797B (en) | 2016-12-24 | 2016-12-24 | A kind of method of heavy grade curve shield driving vertical missing control and correction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211329.8A CN106761797B (en) | 2016-12-24 | 2016-12-24 | A kind of method of heavy grade curve shield driving vertical missing control and correction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761797A CN106761797A (en) | 2017-05-31 |
| CN106761797B true CN106761797B (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611211329.8A Active CN106761797B (en) | 2016-12-24 | 2016-12-24 | A kind of method of heavy grade curve shield driving vertical missing control and correction |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556539B (en) * | 2018-12-29 | 2021-07-02 | 上海山南勘测设计有限公司 | Large-gradient tunnel axis detection method based on shield segment determination |
| CN109578000B (en) * | 2019-01-24 | 2020-09-15 | 湖南科技大学 | Geometric progression layout method for shield propulsion system |
| CN110067566B (en) * | 2019-05-30 | 2020-06-05 | 上海隧道工程有限公司 | Method and system for predicting shield deviation rectifying moment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1497544A (en) * | 1975-09-05 | 1978-01-12 | Balfour Beatty Ltd | Tunnelling shields and like movable apparatus |
| CN101038605A (en) * | 2007-04-26 | 2007-09-19 | 上海交通大学 | Shield tunnel universal segment dynamic virtual assembling system |
| CN104389615A (en) * | 2014-09-30 | 2015-03-04 | 中铁四局集团第二工程有限公司 | Small-radius curve large-slope shield construction method in coastal soft soil stratum |
| CN204225895U (en) * | 2014-09-25 | 2015-03-25 | 四川顶锐液压设备制造有限公司 | A kind of trenchless prop pipelining hydraulic pressure correction driving head |
| CN204591286U (en) * | 2015-04-27 | 2015-08-26 | 浙江大学城市学院 | A kind of small curvature radius tunneling shield cardan shaft line traffic control mechanism |
| CN104881517A (en) * | 2015-04-29 | 2015-09-02 | 中铁一局集团有限公司 | Device and method for measuring overshoot of segments of shield tunnels |
| CN105909270A (en) * | 2016-04-19 | 2016-08-31 | 上海建科工程咨询有限公司 | Shield machine axis control system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61104219A (en) * | 1984-10-27 | 1986-05-22 | Sato Kogyo Kk | Posture controller of tunnel excavator |
| JP2606872B2 (en) * | 1988-03-14 | 1997-05-07 | 石川島播磨重工業株式会社 | Attitude control method of tunnel machine |
-
2016
- 2016-12-24 CN CN201611211329.8A patent/CN106761797B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1497544A (en) * | 1975-09-05 | 1978-01-12 | Balfour Beatty Ltd | Tunnelling shields and like movable apparatus |
| CN101038605A (en) * | 2007-04-26 | 2007-09-19 | 上海交通大学 | Shield tunnel universal segment dynamic virtual assembling system |
| CN204225895U (en) * | 2014-09-25 | 2015-03-25 | 四川顶锐液压设备制造有限公司 | A kind of trenchless prop pipelining hydraulic pressure correction driving head |
| CN104389615A (en) * | 2014-09-30 | 2015-03-04 | 中铁四局集团第二工程有限公司 | Small-radius curve large-slope shield construction method in coastal soft soil stratum |
| CN204591286U (en) * | 2015-04-27 | 2015-08-26 | 浙江大学城市学院 | A kind of small curvature radius tunneling shield cardan shaft line traffic control mechanism |
| CN104881517A (en) * | 2015-04-29 | 2015-09-02 | 中铁一局集团有限公司 | Device and method for measuring overshoot of segments of shield tunnels |
| CN105909270A (en) * | 2016-04-19 | 2016-08-31 | 上海建科工程咨询有限公司 | Shield machine axis control system |
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| CN106761797A (en) | 2017-05-31 |
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