CN106089242A - A kind of duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting - Google Patents
A kind of duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting Download PDFInfo
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- CN106089242A CN106089242A CN201610568997.XA CN201610568997A CN106089242A CN 106089242 A CN106089242 A CN 106089242A CN 201610568997 A CN201610568997 A CN 201610568997A CN 106089242 A CN106089242 A CN 106089242A
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- assembled
- ring
- type selecting
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- tunnel
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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
-
- 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
- E21D11/083—Methods or devices for joining adjacent concrete segments
Abstract
The invention discloses a kind of duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, comprise the following steps: S1, segment array type selecting；S11, acquisition Lining Ring parameter；S12, acquisition Tunnel Design axis information；S13, determine tunnel pipelines erection method；S14, limit the position of block of binding；S15, according to Lining Ring parameter, Tunnel Design axis information, determine junction point position；S16, for different types of Lining Ring, repeat step S15, finally determine the Lining Ring type needed for current ring to be assembled and assembled some position；S2, section of jurisdiction assembled type selecting in real time；S21, acquisition construction machinery and the most assembled current Lining Ring relative position information；S22, acquisition the most assembled current Lining Ring assembly finished surface information；S23, repetition step S15, S16, select to meet each limit value and the lining style of comprehensive evaluation index optimum and position put in assembly.
Description
Technical field
The invention belongs to the technical field that duct pieces of shield tunnel is assembled, be specifically related to a kind of duct pieces of shield tunnel universality row
Version type selecting and the method for the most assembled type selecting.
Background technology
In recent years, the tunnel construction in China city just develops rapidly, and in the construction method in tunnel, shield method account for
Leading position.Shield construction is fast with its speed of application, little on surrounding enviroment impact, ground adaptability is strong, construction quality is high
Advantage.Shield construction relative to one outstanding feature of other construction methods is exactly: assembled looped section of jurisdiction is directly becoming tunnel
Final lining cutting.Therefore, pipe sheet assembling quality directly affects Tunnel Engineering civil engineering quality, specifically includes that segment selection, rotation
Angle and control of transfiniting, K block position, circumferential weld/longitudinal joint dislocation etc., need based on existing construction tunnel, select section of jurisdiction attitude
Excellent installation parameter.Shield-tunneling construction must be the most prudent when pipe sheet assembling parameter selects.
Duct pieces of shield tunnel only according to reasonably order arrangement, can simulate preferable tunnel curve, this pipe
The calculating of sheet arrangement is referred to as segment array, the also known as section of jurisdiction the Fitting Calculation to tunnel.Of both segment array actually comprises
Content: before construction, makes overall arrangements to section of jurisdiction in advance according to the trend of design axis and the geometric properties of section of jurisdiction, the step for
It is referred to as " the design typesetting " of section of jurisdiction；In work progress, also to determine newly according to the shield tendency that scene records and section of jurisdiction attitude
Selecting type scheme.
The computational methods still aobvious shortcoming that domestic segment array is relevant to assembly, is suitable for greatly common tube loop, even
For concrete Tunnel Engineering, lack versatility, its computing formula has approximate solution, Practical Project is the most also dependent on constructor
Rough calculation and the experience of member choose section of jurisdiction, easily cause bigger error.
Summary of the invention
The present invention is to solve that above-mentioned segment array lacks versatility, the technical problem that installation deviation is big with assembled, it is provided that
Simple tunnel duct piece universality typesetting type selecting that a kind of highly versatile, installation accuracy are high and assembling method.
In order to solve the problems referred to above, the present invention is achieved by techniques below scheme:
Duct pieces of shield tunnel universality typesetting type selecting of the present invention and the method for the most assembled type selecting, including following step
Rapid:
S1, segment array type selecting；
S11, acquisition Lining Ring parameter；
S12, acquisition Tunnel Design axis information；
S13, determine tunnel pipelines erection method；
S14, limit the position of block of binding；
S15, according to Lining Ring parameter, Tunnel Design axis information, determine assembled some position, for the lining cutting of same form
Ring, the assembled centre coordinate of finished surface and the position of normal vector, each section of jurisdiction piecemeal are different, and assembled finished surface is the most currently waited to spell
The terminal surface of dress ring, in a certain assembled some position, Tunnel Design axis and the intersection point of assembled finished surface are A, assembly finished surface several
What center is B, and the distance that A, B are 2 is di, in each assembled some position of i=1～n, choose diMinimum assembled some position；
S16, for different types of Lining Ring, repeat step S15, finally determine the Lining Ring needed for current ring to be assembled
Type and assembled some position；
The method of S2, section of jurisdiction assembled type selecting in real time；
S21, acquisition construction machinery and the most assembled current Lining Ring relative position information；
S22, acquisition the most assembled current Lining Ring assembly finished surface information；
S23, repetition step S15, S16, select to meet the limit value of each construction requirement and the lining cutting of comprehensive evaluation index optimum
Type and assembled some position.Further, in described step S12, obtain Tunnel Design axis information and include obtaining plane alignment elements,
Vertical curve element.
Further, in described step S13, determine tunnel erection method, including staggered joint erection or through seam assembling；
After Lining Ring piecemeal determines, each seam i.e. determines in the angle of Lining Ring local cylindrical coordinate, if certain assembled some position
Lower Lining Ring seam is consistent with adjacent ring seam angle, then judge that this assembly point position is through seam assembling, otherwise spells for the fissure of displacement
Dress.
Further, described step S14, limit and bind block position, described in bind block central symmetry axis and side straight up
Be acute angle to angle so that described in bind the assembly of block position above water.
Further, in described step S15, longitudinal bolt group number N determines to deposit between adjacent two Lining Rings in step s 11
At N kind connection scheme, every kind of connected mode is referred to as an assembled some position.
Further, in described step S15,
The geometric center point of upper ring assembly finished surface is O point, and the geometric center of ring assembly finished surface to be assembled is O1Point, its
Upper ring assembly finished surface normal vector is projected as O2Point, ring assembly initial surface to be assembled is O at ring width minimum3Point, spells
It is O at ring width minimum on dress ring assembly initial surface4Point, if assembled ring is standard ring, then O4Point is the block that binds on assembled initial surface
Outer rim central point, ring width is B, and key groove is α, when position is put in different assembly, O1The possible location track of point is spatially round
Curve, is N in assembly point position, when rotational angle is β, and O1The locus of point can calculate according to following mathematical model:
Assess ring assembly finished surface central point O to be assembled by the following method1Deviation size with tunnel axis:
S151, by the mileage L of assembled finished surface0Push ahead ring width B, i.e. L=Lo+ B, selects mileage on tunnel axis
Point P for L0As primary iteration point；
S152, objective plane are O1The possible face, track place of point, normal vector in space is OO2(l, m, n), arbitrfary point
P0Coordinate be (xp, yp, zp) to the distance of plane be
Wherein, D=-(lx0+my0+nz0), (x0, y0, z0) it is arbitrfary point in plane；
S153, when d≤10-6Time, objective plane is O1Point in the plane, otherwise, with L-d replace L, return step S152
Again P is solved0, d has vector property herein, when d is more than 0, and P0It is positioned at plane front, otherwise, P0It is positioned at plane rear.
Further, in described step S21,
Obtain construction machinery and current assembled Lining Ring relative position information, including obtaining jack progressive error and shield tail
Difference gap.
Further, in described step S22, obtain current assembled Lining Ring assembly finished surface information, including by existing
The Geometric center coordinates of the assembled ring finished surface of field measured data digital simulation and normal vector.
Further, after described step S22, before step S23, according to construction requirement, obtain the limit of jack progressive error
Value and the limit value of gap of the shield tail difference, and set up the evaluation that comprehensive jack progressive error, gap of the shield tail are poor, design misalignment of axe three
Index.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention considers multiple duct pieces of shield tunnel type, it is provided that for different-diameter, section of jurisdiction width, lozenges form,
The segment array of wedge shape amount, Lining Ring piecemeal and longitudinal bolt quantity and assembled algorithm.Segment array type selecting can set according to tunnel
Meter shaft line provides the segment array scheme of optimal fitting, presets driving path for tunnel duct piece pre-typesetting and shield machine and provides important
Foundation.Section of jurisdiction is assembled in real time provides pipe sheet assembling suggestion according to construction actual synchronization, can draw optimum under considering construction factor
Lining Ring type selecting and assembled some position, make the more preferable matching in actual assembly tunnel Tunnel Design axis.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail, wherein:
Fig. 1 is ring to be assembled and upper ring assembly finished surface relativeness figure；
Fig. 2 is the schematic diagram of Lining Ring end face.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred reality described herein
Execute example be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Duct pieces of shield tunnel universality typesetting type selecting of the present invention and the method for the most assembled type selecting, including following step
Rapid:
S1, segment array type selecting；
S11, acquisition Lining Ring parameter；Including obtaining Lining Ring type, wedge surface form, the external diameter of Lining Ring, Lining Ring
Internal diameter, section of jurisdiction width, section of jurisdiction ring wedge shape amount, Lining Ring piecemeal quantity, section of jurisdiction piecemeal angle, longitudinal bolt group number.
S12, acquisition Tunnel Design axis information；Including obtaining plane alignment elements, vertical curve element.
S13, determine tunnel pipelines erection method；Including staggered joint erection or through seam assembling；After Lining Ring piecemeal determines, respectively connect
The angle being sewn on Lining Ring local cylindrical coordinate i.e. determines, if Lining Ring seam and adjacent ring splice angle under certain assembled some position
Degree is consistent, then judge that this assembly point position is through seam assembling, be otherwise staggered joint erection.
S14, limit the position of block of binding；The described block central symmetry axis that binds is acute angle with angular separation straight up, makes
Bind the assembly of block position above water described in get.
S15, in step s 11 longitudinal bolt group number N determine to exist between adjacent two Lining Rings N kind connection scheme, every kind
Connected mode is referred to as an assembled some position, for the Lining Ring of same form, the centre coordinate of assembled finished surface and normal vector, each
The position of section of jurisdiction piecemeal is different, the terminal surface of the assembled the most current ring to be assembled of finished surface, and in a certain assembled some position, tunnel sets
Meter shaft line and the intersection point of assembled finished surface are A, the geometric center of assembled finished surface is B, and the distance that A, B are 2 is di, at i=1
～d is chosen in each assembled some position of niMinimum assembled some position；
The geometric center point of upper ring assembly finished surface is O point, and the geometric center of ring assembly finished surface to be assembled is O1Point, its
Upper ring assembly finished surface normal vector is projected as O2Point, ring assembly initial surface to be assembled is O at ring width minimum3Point, spells
It is O at ring width minimum on dress ring assembly initial surface4Point, if assembled ring is standard ring, then O4Point is the block that binds on assembled initial surface
Outer rim central point, ring width is B, and key groove is α, when position is put in different assembly, O1The possible location track of point is spatially round
Curve, is N in assembly point position, when rotational angle is β, and O1The locus of point can calculate according to following mathematical model:
Assess ring assembly finished surface central point O to be assembled by the following method1Deviation size with tunnel axis:
S151, by the mileage L of assembled finished surface0Push ahead ring width B, i.e. L=Lo+ B, selects mileage on tunnel axis
Point P for L0As primary iteration point；
S152, objective plane are O1The possible face, track place of point, normal vector in space is OO2(l, m, n), arbitrfary point
P0Coordinate be (xp, yp, zp) to the distance of plane be
Wherein, D=-(lx0+my0+nz0), (x0, y0, z0) it is arbitrfary point in plane；
S153, when d≤10-6Time, objective plane is O1Point in the plane, otherwise, with L-d replace L, return step S152
Again P is solved0, d has vector property herein, when d is more than 0, and P0It is positioned at plane front, otherwise, P0It is positioned at plane rear.
S16, for different types of Lining Ring, repeat step S15, finally determine the Lining Ring needed for current ring to be assembled
Type and assembled some position；
The method of S2, section of jurisdiction assembled type selecting in real time；
S21, obtain construction machinery and the most assembled current Lining Ring relative position information, including obtain jack progressive error and
Gap of the shield tail is poor.
S22, acquisition the most assembled current Lining Ring assembly finished surface information, including by field measurement data digital simulation
The Geometric center coordinates of assembled ring finished surface and normal vector.
According to construction requirement, obtain limit value and the limit value of gap of the shield tail difference of jack progressive error, and set up the most very heavy
Top line path difference, gap of the shield tail are poor, the evaluation index of design misalignment of axe three.
S23, repetition step S15, S16, select to meet the limit value of each construction requirement and the lining cutting of comprehensive evaluation index optimum
Type and assembled some position.
Other structure of the method for duct pieces of shield tunnel universality typesetting type selecting described in the present embodiment and the most assembled type selecting
See prior art.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, therefore
Every without departing from technical solution of the present invention content, any amendment of above example being made according to the technical spirit of the present invention,
Equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (10)
1. a duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, it is characterised in that: include following
Step:
S1, segment array type selecting；
S11, acquisition Lining Ring parameter；
S12, acquisition Tunnel Design axis information；
S13, determine tunnel pipelines erection method；
S14, determine and limit the position range of block of binding；
S15, according to Lining Ring parameter, Tunnel Design axis information, determine assembled some position, the assembled the most current ring to be assembled of finished surface
Terminal surface, in a certain assembled some position, Tunnel Design axis and the intersection point of assembled finished surface are A, in the geometry of assembled finished surface
The heart is B, and the distance that A, B are 2 is di, in each assembled some position of i=1～n, choose diMinimum assembled some position；
S16, for different types of Lining Ring, repeat step S15, finally determine the Lining Ring type needed for current ring to be assembled
With assembly point position；
S2, section of jurisdiction assembled type selecting in real time；
S21, acquisition construction machinery and the most assembled current Lining Ring relative position information；
S22, acquisition the most assembled current Lining Ring assembly finished surface information；
S23, repetition step S15, S16, select to meet the limit value of each construction requirement and the lining style of comprehensive evaluation index and spelling
Decorate position.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 1
It is: in described step S11, obtains Lining Ring parameter, including obtaining Lining Ring type, wedge surface form, the external diameter of Lining Ring, lining
Build the internal diameter of ring, section of jurisdiction width, section of jurisdiction ring wedge shape amount, Lining Ring piecemeal quantity, section of jurisdiction piecemeal angle, longitudinal bolt group number.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 1
It is: in described step S12, obtains Tunnel Design axis information and include obtaining plane alignment elements, vertical curve element.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 1
It is: in described step S13, determines tunnel erection method, including staggered joint erection or through seam assembling；
After Lining Ring piecemeal determines, each seam i.e. determines in the angle of Lining Ring local cylindrical coordinate, if serving as a contrast under certain assembled some position
Build ring seam consistent with adjacent ring seam angle, then judge that this assembly point position is through seam assembling, be otherwise staggered joint erection.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 1
Be: described step S14, limit and bind block position, described in the block central symmetry axis that binds be acute angle with angular separation straight up.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 2
Being: in described step S15, longitudinal bolt group number N determines to there is N kind connection side between adjacent two Lining Rings in step s 11
Case, every kind of connected mode is referred to as an assembled some position.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 6
It is: in described step S15,
The geometric center point of upper ring assembly finished surface is O point, and the geometric center of ring assembly finished surface to be assembled is O1Point, it is upper
It is projected as O on ring assembly finished surface normal vector2Point, ring assembly initial surface to be assembled is O at ring width minimum3Point, assembled ring
It is O at ring width minimum on assembled initial surface4Point, if assembled ring is standard ring, then O4Point is the block outer rim that binds on assembled initial surface
Central point, ring width is B, and key groove is α, when position is put in different assembly, O1The possible location track of point is spatially circular curve,
It is N in assembly point position, when rotational angle is β, O1The locus of point calculates according to following mathematical model:
Assess ring assembly finished surface central point O to be assembled by the following method1Deviation size with tunnel axis:
S151, by the mileage L of assembled finished surface0Push ahead ring width B, i.e. L=Lo+ B, selecting mileage on tunnel axis is L's
Point P0As primary iteration point；
S152, objective plane are O1The possible face, track place of point, normal vector in space is OO2(l, m, n), arbitrfary point P0's
Coordinate is (xp, yp, zp) to the distance of plane be
Wherein, D=-(lx0+my0+nz0), (x0, y0, z0) it is arbitrfary point in plane；
S153, when d≤10-6Time, objective plane is O1Point in the plane, otherwise, with L-d replace L, return step S152 again
Solve P0, d has vector property herein, when d is more than 0, and P0It is positioned at plane front, otherwise, P0It is positioned at plane rear.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 1
It is: in described step S21,
Obtain construction machinery and current assembled Lining Ring relative position information, including obtaining jack progressive error and gap of the shield tail
Difference.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 8
It is: in described step S22, obtains current assembled Lining Ring assembly finished surface information, including by field measurement data meter
Calculate Geometric center coordinates and the normal vector of the assembled ring finished surface of matching.
Duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting, its feature the most according to claim 8
It is: after described step S22, before step S23, according to construction requirement, obtains limit value and the gap of the shield tail of jack progressive error
The limit value of difference, and set up the evaluation index that comprehensive jack progressive error, gap of the shield tail are poor, design misalignment of axe three.
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| CN201610568997.XA CN106089242A (en) | 2016-07-18 | 2016-07-18 | A kind of duct pieces of shield tunnel universality typesetting type selecting and the method for the most assembled type selecting |
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Cited By (14)
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|---|---|---|---|---|
| CN106934159A (en) * | 2017-03-14 | 2017-07-07 | 中交公局厦门工程有限公司 | A kind of assembled point bit digitizing type selecting assembling method of duct pieces of shield tunnel |
| CN108104834A (en) * | 2018-01-05 | 2018-06-01 | 杭州图溪科技有限公司 | Shield duct piece automatic assembling method and system |
| CN108825262A (en) * | 2018-08-28 | 2018-11-16 | 中国电建市政建设集团有限公司 | The model of pipe sheet assembling point position selection in a kind of shield construction |
| CN109681232A (en) * | 2018-11-26 | 2019-04-26 | 上海市基础工程集团有限公司 | The assembling method of deep tunnel shield structure domain test section of jurisdiction |
| CN109779655A (en) * | 2019-01-03 | 2019-05-21 | 中铁隧道集团二处有限公司 | A kind of construction method of shield duct piece staggered joint erection |
| CN110130931A (en) * | 2019-06-28 | 2019-08-16 | 西南交通大学 | A kind of method of partition of the symmetrical Lining Ring in circular shield tunnel |
| CN110135047A (en) * | 2019-05-10 | 2019-08-16 | 上海隧道工程有限公司 | Universal segment type selecting method for correcting error |
| CN111365076A (en) * | 2020-03-18 | 2020-07-03 | 中铁一局集团有限公司 | Shield tunnel linear early warning method |
| CN111502694A (en) * | 2020-04-22 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Segment layout control-based universal ring segment pre-embedded chute optimization structure and method |
| CN112627848A (en) * | 2020-12-07 | 2021-04-09 | 中国电建集团华东勘测设计研究院有限公司 | Segment typesetting method for intermediate ring with given point position |
| CN112682064A (en) * | 2020-12-22 | 2021-04-20 | 湖北省大唐安盛建筑工程有限公司 | Pipe piece lofting and steel plate installation process |
| CN112746856A (en) * | 2020-07-22 | 2021-05-04 | 中交路桥建设有限公司 | Method for judging position relation between shield tail and segment of large-diameter shield |
| CN114017060A (en) * | 2021-09-18 | 2022-02-08 | 中铁十局集团第一工程有限公司 | Shield segment model selection method |
| CN114075986A (en) * | 2021-03-25 | 2022-02-22 | 上海大学 | Segment splicing point position selection system and method |
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Cited By (24)
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| CN106934159A (en) * | 2017-03-14 | 2017-07-07 | 中交公局厦门工程有限公司 | A kind of assembled point bit digitizing type selecting assembling method of duct pieces of shield tunnel |
| CN108104834A (en) * | 2018-01-05 | 2018-06-01 | 杭州图溪科技有限公司 | Shield duct piece automatic assembling method and system |
| CN108104834B (en) * | 2018-01-05 | 2019-08-20 | 杭州图溪科技有限公司 | Shield duct piece automatic assembling method and system |
| CN108825262A (en) * | 2018-08-28 | 2018-11-16 | 中国电建市政建设集团有限公司 | The model of pipe sheet assembling point position selection in a kind of shield construction |
| CN108825262B (en) * | 2018-08-28 | 2023-09-22 | 中国电建市政建设集团有限公司 | Model for selecting segment assembly point positions in shield construction |
| CN109681232B (en) * | 2018-11-26 | 2020-06-02 | 上海市基础工程集团有限公司 | Assembling method of deep tunnel shield whole-ring test duct pieces |
| CN109681232A (en) * | 2018-11-26 | 2019-04-26 | 上海市基础工程集团有限公司 | The assembling method of deep tunnel shield structure domain test section of jurisdiction |
| CN109779655A (en) * | 2019-01-03 | 2019-05-21 | 中铁隧道集团二处有限公司 | A kind of construction method of shield duct piece staggered joint erection |
| CN110135047A (en) * | 2019-05-10 | 2019-08-16 | 上海隧道工程有限公司 | Universal segment type selecting method for correcting error |
| CN110135047B (en) * | 2019-05-10 | 2023-07-25 | 上海隧道工程有限公司 | General segment selection type correction method |
| CN110130931A (en) * | 2019-06-28 | 2019-08-16 | 西南交通大学 | A kind of method of partition of the symmetrical Lining Ring in circular shield tunnel |
| CN111365076A (en) * | 2020-03-18 | 2020-07-03 | 中铁一局集团有限公司 | Shield tunnel linear early warning method |
| CN111365076B (en) * | 2020-03-18 | 2021-05-25 | 中铁一局集团有限公司 | Shield tunnel linear early warning method |
| CN111502694A (en) * | 2020-04-22 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Segment layout control-based universal ring segment pre-embedded chute optimization structure and method |
| CN111502694B (en) * | 2020-04-22 | 2021-09-14 | 中国电建集团华东勘测设计研究院有限公司 | Segment layout control-based universal ring segment pre-embedded chute optimization structure and method |
| CN112746856B (en) * | 2020-07-22 | 2022-03-01 | 中交路桥建设有限公司 | Method for judging position relation between shield tail and segment of large-diameter shield |
| CN112746856A (en) * | 2020-07-22 | 2021-05-04 | 中交路桥建设有限公司 | Method for judging position relation between shield tail and segment of large-diameter shield |
| CN112627848B (en) * | 2020-12-07 | 2023-02-28 | 中国电建集团华东勘测设计研究院有限公司 | Segment typesetting method for intermediate ring with given point position |
| CN112627848A (en) * | 2020-12-07 | 2021-04-09 | 中国电建集团华东勘测设计研究院有限公司 | Segment typesetting method for intermediate ring with given point position |
| CN112682064A (en) * | 2020-12-22 | 2021-04-20 | 湖北省大唐安盛建筑工程有限公司 | Pipe piece lofting and steel plate installation process |
| CN114075986A (en) * | 2021-03-25 | 2022-02-22 | 上海大学 | Segment splicing point position selection system and method |
| CN114075986B (en) * | 2021-03-25 | 2024-01-30 | 上海大学 | Segment assembly point position selection system and method |
| CN114017060A (en) * | 2021-09-18 | 2022-02-08 | 中铁十局集团第一工程有限公司 | Shield segment model selection method |
| CN114017060B (en) * | 2021-09-18 | 2024-02-09 | 中铁十局集团第一工程有限公司 | Method for selecting shield segment |
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