CN106202648A - Tunnel portal position automatization is than the BIM method for designing of choosing - Google Patents
Tunnel portal position automatization is than the BIM method for designing of choosing Download PDFInfo
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Abstract
nullThe invention discloses a kind of tunnel portal position automatization BIM method for designing than choosing，The method comprises the following steps: build digital terrain model (S1) according to dimensional topography cloud data，Three-dimensional line position (S2) is built according to circuit two dimension plane vertical section，Three-dimensional planar line position is set up tunnel portal section critical importance point (S3)，Set up the point (S4) moved along direction, three-dimensional space top-stitching position, tunnel，Set up along being perpendicular to the point (S5) that direction, three-dimensional space top-stitching position, tunnel is moved，Set up tunnel portal skeleton line (S6)，Exploitation upward slope at exit of tunnel template (S7)，Template instances metaplasia is utilized to become upward slope at exit of tunnel model (S8)，Realize tunnel portal movement (S9) on three-dimensional space top-stitching position，Realize the adjustment (S10) of tunnel portal section difference key element length on three-dimensional space top-stitching position，Realize tunnel portal skew (S11) near three-dimensional space top-stitching position.The method achieve the ratio choosing automatically of difference hole, tunnel situation, there is obvious application value.
Description
Technical field
The present invention relates to tunnel portal position automatization methods of comparison and selection.
Background technology
Tunnel portal position is than being selected in the line position selection at project initial stage, tunnel scheme design and tunnel detailed design all
There is very important effect.In traditional two-dimensional design, it is horizontal, vertical disconnected that tunnel portal position selects mainly to rely on landform
Face, first determines face-upward slope brush slope, tunnel height on two-dimensional cross-section, then is fitted by the brush slope point between section, not only operate
Process is loaded down with trivial details, and between section, especially the brush slope height of face-upward slope intersection location is difficult to accurately embody, and greatly reduces tunnel
Portal design quality.BIM technology has become as the development trend of building industry in recent years, the most either complies with industry development also
Being to improve design accuracy and quality, research is all badly in need of than the BIM method for designing of choosing in tunnel portal position automatization.
Summary of the invention
In view of current tunnel portal position is than the problem existing for choosing, the present invention proposes a kind of brand-new tunnel portal position
Automatization is than the BIM method for designing of choosing, by building digital terrain model according to dimensional topography cloud data, according to circuit two dimension
Plane vertical section builds three-dimensional line position, sets up tunnel portal section critical importance point, foundation on three-dimensional planar line position along tunnel three-dimensional
Point that direction, space line position is moved, set up along the point being perpendicular to move in direction, three-dimensional space top-stitching position, tunnel, set up tunnel portal bone
Stringing, exploitation upward slope at exit of tunnel template, utilize template instances metaplasia to become upward slope at exit of tunnel model, realize tunnel portal
Movement on three-dimensional space top-stitching position, realize the adjustment of tunnel portal section difference key element length on three-dimensional space top-stitching position, realize tunnel
The skew near three-dimensional space top-stitching position of the hole, road, had both achieved the tunnel portal ratio choosing in direction, three-dimensional space top-stitching position, real again
Showed tunnel portal section tunnel gap length, portal length and open cut tunnel length ratio choosing, also achieve by line position offset into
The ratio choosing of position situation that row tunnel portal periphery is the most collinear, tunnel portal position change after face-upward slope brush slope and dimensional topography from
Adaptation, brush slope effect is accurately, intuitively, it is possible to meets being correlated with in the selection of online position, tunnel, conceptual design and detailed design and wants
Ask, it is adaptable to tunnel portal position automatization is than the BIM design of choosing.
Tunnel portal position automatization involved in the present invention is than the BIM method for designing of choosing, it is characterised in that the method bag
Include following steps:
S1, according to dimensional topography cloud data build digital terrain model
The pile No. elevation data through actual measurement provided according to mapping specialty, checks and optimizes three dimensional point cloud, if
These data are the grid data of rule, then build grid digital terrain model, otherwise build Triangular Grid Model.
S2, according to circuit two dimension plane vertical section build three-dimensional line position
Two-dimentional track plan and skiagraph according to circuit specialty generate three-dimensional planar line position and three in reaching cable system
Dimension space line position.
S3, on three-dimensional planar line position, set up tunnel portal section critical importance point
Refer to first generate a little as Tunnel with line position point for reference on three-dimensional planar line position in reaching cable system
Mouth mileage, then relies on this point to generate tunnel gap mileage, tunnel portal open cut tunnel boundary mileage points respectively, then relies on tunnel portal
Open cut tunnel boundary mileage points generates tunnel light and shade boundary mileage points, and when tunnel portal mileage points changes, other 3 linkages become
Change, and tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage points to tunnel portal mileage points and tunnel light and shade boundary in
Journey point is adjustable, when tunnel gap mileage points is to the distance of tunnel portal mileage points to the distance of tunnel portal open cut tunnel boundary mileage points
When being 0, represent and cancel tunnel gap length；When the distance of tunnel portal open cut tunnel boundary mileage points to tunnel portal mileage points is 0
Time, represent a length of zero (such as the end wall tunnel portal) of portal；When light and shade boundary mileage points in tunnel is to tunnel portal open cut tunnel boundary mileage
When the distance of point is 0, represents and cancel open cut tunnel.
The point that S4, foundation are moved along direction, three-dimensional space top-stitching position, tunnel
Finger relies on the tunnel portal mileage points on three-dimensional planar line position, tunnel gap mileage points, tunnel in reaching cable system
The corresponding point that portal open cut tunnel boundary mileage points and tunnel light and shade boundary mileage points are set up on three-dimensional space top-stitching position.Work as tunnel
Tunnel gap mileage points during the variation of hole, road mileage points, tunnel portal mileage points, tunnel portal open cut tunnel boundary mileage points, tunnel are bright
The point on the three-dimensional space top-stitching position corresponding to mileage points of secretly demarcating links, and then realizes tunnel portal in direction, three-dimensional space top-stitching position
On ratio choosing；The tunnel when tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage points, the boundary mileage points variation of tunnel light and shade
The point on three-dimensional space top-stitching position that breach mileage points, tunnel portal open cut tunnel boundary mileage points, tunnel light and shade boundary mileage points are corresponding
Linkage, and then realize the ratio choosing of tunnel gap length, portal length and open cut tunnel length.
S5, foundation are along being perpendicular to the point that direction, three-dimensional space top-stitching position, tunnel is moved
Refer in reaching cable system, set up for reference in local coordinate system with the point on three-dimensional space top-stitching position in (S4) respectively
Corresponding point, realizes point along being perpendicular to three-dimensional space top-stitching position, tunnel by adjusting the x, y, z coordinate figure at local coordinate system midpoint
The movement in direction.Point is realized along being perpendicular to direction, three-dimensional space top-stitching position, tunnel when the coordinate figure of three dimensions point changes
Mobile, and then realize the ratio choosing of tunnel portal periphery difference drift condition.
S6, set up tunnel portal skeleton line
Refer to rely on the point on the three dimensions generated to set up SPL, as tunnel portal in reaching cable system
Three-dimensional framework line, as the initial conditions of tunnel form.
S7, exploitation upward slope at exit of tunnel template
Referring to the template of exploitation in reaching cable system, this template has the design parameter of Introduced cases, including slope, face-upward slope brush slope
Every layer of shoulder height, the width etc. of step platform in rate, face-upward slope, can implementation model parametrization create；Tunnel entrance
Slope template is with the three-dimensional framework line of tunnel portal, dimensional topography curved surface as initial conditions, with design parameter for input parameter；Tunnel
In the face-upward slope template of hole, brush slope, tunnel height and dimensional topography self adaptation.
S8, template instances metaplasia is utilized to become upward slope at exit of tunnel model
Refer in reaching cable system, first select upward slope at exit of tunnel template, then specify tunnel portal three-dimensional framework line,
Shape curved surface, input parameter and the upward slope at exit of tunnel model that generates, the face-upward slope brush slope height in model is with reality dimensionally
Shape self adaptation.
S9, realize tunnel portal movement on three-dimensional space top-stitching position
Refer to that tunnel portal can move along direction, three-dimensional space top-stitching position when changing tunnel portal mileage points position, after moving
Tunnel mouth brush slope height and actual dimensional topography self adaptation, due to tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage
Point, tunnel light and shade boundary mileage points directly or indirectly associates with tunnel portal mileage points, so these points are followed in tunnel portal
Journey point links, and can realize tunnel portal ratio on direction, three-dimensional space top-stitching position by the method and select.
S10, realize the adjustment of tunnel portal section difference key element length on three-dimensional space top-stitching position
Refer in the timing of tunnel portal mileage points position one, adjust tunnel gap mileage points on three-dimensional planar line position and realize tunnel
The adjustment of notch length；Adjust tunnel portal open cut tunnel boundary mileage points on three-dimensional planar line position and realize the tune of tunnel portal length
Whole；Adjust tunnel light and shade boundary mileage points on three-dimensional planar line position and realize the adjustment of cut-and-cover tunnel length；Permissible by the method
Realize the ratio choosing in tunnel portal position one timing tunnel gap length, portal length and open cut tunnel length.
S11, realize tunnel portal skew near three-dimensional space top-stitching position
Refer to realize inclined near three-dimensional space top-stitching position of tunnel portal by adjusting the x, y, z coordinate of point on three dimensions
Move, the Tunnel mouth brush slope height after skew and actual dimensional topography self adaptation, tunnel portal week can be realized by the method
The ratio choosing of position situation that limit is the most collinear.
This beneficial effect of the invention is:
Based on digitized dimensional topography curved surface and three-dimensional line position result of design, both achieved tunnel portal at three dimensions
The ratio choosing in direction, line position, achieves again the ratio choosing of tunnel portal section tunnel gap length, portal length and open cut tunnel length, the most real
Show and carried out the ratio of tunnel portal periphery the most collinear position situation by the skew of line position and select, and tunnel portal position has changed back
Face upward brush slope, slope and dimensional topography self adaptation, brush slope effect accurately, directly perceived, it is possible to meet online position, tunnel select, conceptual design with
And the related request in detailed design, it is adaptable to tunnel portal position automatization is than the BIM design of choosing.The method automaticity
Height, practical, design efficiency and quality of achievement can be greatly improved, there is obvious application value.
Accompanying drawing explanation
Fig. 1 is the tunnel portal position automatization flow chart than the BIM method for designing of choosing.
Description of symbols in figure:
S1, according to dimensional topography cloud data build digital terrain model,
S2, according to circuit two dimension plane vertical section build three-dimensional line position,
S3, on three-dimensional planar line position, set up tunnel portal section critical importance point,
The point that S4, foundation are moved along direction, three-dimensional space top-stitching position, tunnel,
S5, foundation edge are perpendicular to the point that direction, three-dimensional space top-stitching position, tunnel is moved,
S6, set up tunnel portal skeleton line,
S7, exploitation upward slope at exit of tunnel template,
S8, template instances metaplasia is utilized to become upward slope at exit of tunnel model,
S9, realize tunnel portal movement on three-dimensional space top-stitching position,
S10, realize the adjustment of tunnel portal section difference key element length on three-dimensional space top-stitching position,
S11, realize tunnel portal skew near three-dimensional space top-stitching position.
Detailed description of the invention
It is described with reference to the concrete technical scheme of the present invention.Shown in the flow chart of Fig. 1, the Tunnel that the present invention relates to
Mouthful position automatization includes than the step of the BIM method for designing of choosing: according to dimensional topography cloud data build digital terrain model,
Build three-dimensional line position according to circuit two dimension plane vertical section, three-dimensional planar line position is set up tunnel portal section critical importance point, build
Vertical move along direction, three-dimensional space top-stitching position, tunnel point, set up along the point being perpendicular to move in direction, three-dimensional space top-stitching position, tunnel, build
Vertical tunnel portal skeleton line, exploitation upward slope at exit of tunnel template, utilize template instances metaplasia become upward slope at exit of tunnel model,
Realize tunnel portal movement on three-dimensional space top-stitching position, realize tunnel portal section difference key element length on three-dimensional space top-stitching position
Adjust, realize tunnel portal skew near three-dimensional space top-stitching position.
S1, according to dimensional topography cloud data build digital terrain model
The pile No. elevation data through actual measurement provided according to mapping specialty, checks and optimizes three dimensional point cloud, if
These data are the grid data of rule, then build grid digital terrain model, otherwise build Triangular Grid Model.
S2, according to circuit two dimension plane vertical section build three-dimensional line position
Two-dimentional track plan and skiagraph according to circuit specialty generate three-dimensional planar line position and three in reaching cable system
Dimension space line position.
S3, on three-dimensional planar line position, set up tunnel portal section critical importance point
Refer to first generate a little as Tunnel with line position point for reference on three-dimensional planar line position in reaching cable system
Mouth mileage, then relies on this point to generate tunnel gap mileage, tunnel portal open cut tunnel boundary mileage points respectively, then relies on tunnel portal
Open cut tunnel boundary mileage points generates tunnel light and shade boundary mileage points, and when tunnel portal mileage points changes, other 3 linkages become
Change, and tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage points to tunnel portal mileage points and tunnel light and shade boundary in
Journey point is adjustable, when tunnel gap mileage points is to the distance of tunnel portal mileage points to the distance of tunnel portal open cut tunnel boundary mileage points
When being 0, represent and cancel tunnel gap length；When the distance of tunnel portal open cut tunnel boundary mileage points to tunnel portal mileage points is 0
Time, represent a length of zero (such as the end wall tunnel portal) of portal；When light and shade boundary mileage points in tunnel is to tunnel portal open cut tunnel boundary mileage
When the distance of point is 0, represents and cancel open cut tunnel.
The point that S4, foundation are moved along direction, three-dimensional space top-stitching position, tunnel
Finger relies on the tunnel portal mileage points on three-dimensional planar line position, tunnel gap mileage points, tunnel in reaching cable system
The corresponding point that portal open cut tunnel boundary mileage points and tunnel light and shade boundary mileage points are set up on three-dimensional space top-stitching position.Work as tunnel
Tunnel gap mileage points during the variation of hole, road mileage points, tunnel portal mileage points, tunnel portal open cut tunnel boundary mileage points, tunnel are bright
The point on the three-dimensional space top-stitching position corresponding to mileage points of secretly demarcating links, and then realizes tunnel portal in direction, three-dimensional space top-stitching position
On ratio choosing；The tunnel when tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage points, the boundary mileage points variation of tunnel light and shade
The point on three-dimensional space top-stitching position that breach mileage points, tunnel portal open cut tunnel boundary mileage points, tunnel light and shade boundary mileage points are corresponding
Linkage, and then realize the ratio choosing of tunnel gap length, portal length and open cut tunnel length.
S5, foundation are along being perpendicular to the point that direction, three-dimensional space top-stitching position, tunnel is moved
Refer in reaching cable system, respectively with the reference point as local coordinate system of the point on three-dimensional space top-stitching position in (S4),
Set up corresponding point on three dimensions, realize point along being perpendicular to tunnel by adjusting the x, y, z coordinate figure in local coordinate system
The movement in direction, three-dimensional space top-stitching position.Point is realized along being perpendicular to tunnel three-dimensional space when the coordinate figure of three dimensions point changes
The movement in direction, top-stitching position, and then realize the ratio choosing of tunnel portal periphery difference drift condition.
S6, set up tunnel portal skeleton line
Refer to rely on the point on the three dimensions generated to set up SPL, as tunnel portal in reaching cable system
Three-dimensional framework line, as the initial conditions of tunnel form.
S7, exploitation upward slope at exit of tunnel template
Referring to the template of exploitation in reaching cable system, this template has the design parameter of Introduced cases, including slope, face-upward slope brush slope
Every layer of shoulder height, the width etc. of step platform in rate, face-upward slope, can implementation model parametrization create；Tunnel entrance
Slope template is with the three-dimensional framework line of tunnel portal, dimensional topography curved surface as initial conditions, with design parameter for input parameter；Tunnel
In the face-upward slope template of hole, brush slope, tunnel height and dimensional topography self adaptation.
S8, template instances metaplasia is utilized to become upward slope at exit of tunnel model
Refer in reaching cable system, first select upward slope at exit of tunnel template, then specify tunnel portal three-dimensional framework line,
Shape curved surface, input parameter and the upward slope at exit of tunnel model that generates, the face-upward slope brush slope height in model is with reality dimensionally
Shape self adaptation.
S9, realize tunnel portal movement on three-dimensional space top-stitching position
Refer to that tunnel portal can move along direction, three-dimensional space top-stitching position when changing tunnel portal mileage points position, after moving
Tunnel mouth brush slope height and actual dimensional topography self adaptation, due to tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage
Point, tunnel light and shade boundary mileage points directly or indirectly associates with tunnel portal mileage points, so these points are followed in tunnel portal
Journey point links, and can realize tunnel portal ratio on direction, three-dimensional space top-stitching position by the method and select.
S10, realize the adjustment of tunnel portal section difference key element length on three-dimensional space top-stitching position
Refer in the timing of tunnel portal mileage points position one, adjust tunnel gap mileage points on three-dimensional planar line position and realize tunnel
The adjustment of notch length；Adjust tunnel portal open cut tunnel boundary mileage points on three-dimensional planar line position and realize the tune of tunnel portal length
Whole；Adjust tunnel light and shade boundary mileage points on three-dimensional planar line position and realize the adjustment of cut-and-cover tunnel length；Permissible by the method
Realize the ratio choosing in tunnel portal position one timing tunnel gap length, portal length and open cut tunnel length.
S11, realize tunnel portal skew near three-dimensional space top-stitching position
Refer to realize inclined near three-dimensional space top-stitching position of tunnel portal by adjusting the x, y, z coordinate of point on three dimensions
Move, the Tunnel mouth brush slope height after skew and actual dimensional topography self adaptation, tunnel portal week can be realized by the method
The ratio choosing of position situation that limit is the most collinear.
Claims (4)
1. a tunnel portal position automatization is than the BIM method for designing selected, it is characterised in that comprise the following steps: according to three
Dimension topographic(al) point cloud data construct digital terrain model (S1), builds three-dimensional line position (S2) according to circuit two dimension plane vertical section, three
Set up tunnel portal section critical importance point (S3) on dimensional plane line position, set up the point moved along direction, three-dimensional space top-stitching position, tunnel
(S4), set up along being perpendicular to the point (S5) that direction, three-dimensional space top-stitching position, tunnel is moved, set up tunnel portal skeleton line (S6), exploitation
Upward slope at exit of tunnel template (S7), utilizes template instances metaplasia to become upward slope at exit of tunnel model (S8), it is achieved tunnel portal
Movement (S9) on three-dimensional space top-stitching position, it is achieved the adjustment of tunnel portal section difference key element length on three-dimensional space top-stitching position
(S10), it is achieved tunnel portal skew (S11) near three-dimensional space top-stitching position；
Described according to dimensional topography cloud data structure digital terrain model (S1), it is to pass through actual measurement according to what mapping specialty provided
Pile No. elevation data, check and optimize three dimensional point cloud, if these data be rule grid data, then build grid
Network data ground model, otherwise builds Triangular Grid Model；
Described according to circuit two dimension plane vertical section structure three-dimensional line position (S2), it is that the two-dimentional track plan according to circuit specialty is with vertical
Sectional drawing generates three-dimensional planar line position and three-dimensional space top-stitching position in reaching cable system；
Described on three-dimensional planar line position, set up tunnel portal section critical importance point (S3), refer in reaching cable system first three
With line position point for being some tunnel portal mileage with reference to generating on dimensional plane line position, then rely on this point to generate tunnel respectively and lack
Mouth mileage, tunnel portal open cut tunnel boundary mileage points, then rely on tunnel portal open cut tunnel boundary mileage points to generate in tunnel light and shade boundary
Cheng Dian, other 3 linkage changes when tunnel portal mileage points changes, and tunnel gap mileage points, tunnel portal open cut tunnel
Boundary mileage points demarcates mileage points to tunnel portal open cut tunnel boundary mileage to distance and the tunnel light and shade of tunnel portal mileage points
The distance of point is adjustable, when the distance of tunnel gap mileage points to tunnel portal mileage points is 0, represents that cancellation tunnel gap is long
Degree；When the distance of tunnel portal open cut tunnel boundary mileage points to tunnel portal mileage points is 0, represent that portal a length of zero is (such as end
Wall portal)；When the distance of tunnel light and shade boundary mileage points to tunnel portal open cut tunnel boundary mileage points is 0, represent that cancellation is bright
Hole；
The point (S4) that described foundation is moved along direction, three-dimensional space top-stitching position, tunnel, refers to rely on three-dimensional planar line in reaching cable system
In tunnel portal mileage points, tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage points and the boundary of tunnel light and shade on position
The corresponding point that journey point is set up on three-dimensional space top-stitching position, when the point on three-dimensional planar line position changes on three-dimensional space top-stitching position
Some linkage；
Described set up along being perpendicular to the point (S5) that direction, three-dimensional space top-stitching position, tunnel is moved, refer in reaching cable system, respectively with
(S4) in, the point on three-dimensional space top-stitching position is with reference to setting up corresponding point in local coordinate system, by adjusting local coordinate system
The x, y, z coordinate figure at midpoint realizes point along the movement being perpendicular to direction, three-dimensional space top-stitching position, tunnel；
Described set up tunnel portal skeleton line (S6), refer to rely on the point on the three dimensions generated to build in reaching cable system
Vertical SPL, as the three-dimensional framework line of tunnel portal, as the initial conditions of tunnel form；
Described exploitation upward slope at exit of tunnel template (S7), refers to the template of exploitation in reaching cable system, and this template has input
The design parameter of property, including every layer of shoulder height, the width etc. of step platform in face-upward slope brush slope ratio of slope, face-upward slope, can realize
The parametrization of model creates；Upward slope at exit of tunnel template is with the three-dimensional framework line of tunnel portal, dimensional topography curved surface for input
Condition, with design parameter for input parameter；In upward slope at exit of tunnel template, brush slope, tunnel height and dimensional topography self adaptation；
Described utilize template instances metaplasia to become upward slope at exit of tunnel model (S8), refer to first select Tunnel in reaching cable system
Mouthful face-upward slope template, then specify the three-dimensional framework line of tunnel portal, terrain surface, input parameter and the tunnel entrance that generates
Slope model, the face-upward slope brush slope height in model and actual dimensional topography self adaptation；
Described realize tunnel portal movement (S9) on three-dimensional space top-stitching position, refer to when changing tunnel portal mileage points position
Time, tunnel portal can move along direction, three-dimensional space top-stitching position, and after moving, Tunnel mouth brush slope height is adaptive with actual dimensional topography
Should, due to tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage points, tunnel light and shade boundary mileage points directly or indirectly and tunnel
The mileage points association of hole, road, so these points follow the linkage of tunnel portal mileage points, can realize tunnel portal by the method
Ratio choosing on direction, three-dimensional space top-stitching position；
Described realize the adjustment (S10) of tunnel portal section difference key element length on three-dimensional space top-stitching position, refer in tunnel portal
The timing of journey point position one, adjusts tunnel gap mileage points on three-dimensional planar line position and realizes the adjustment of tunnel gap length；Adjust three
On dimensional plane line position, tunnel portal open cut tunnel boundary mileage points realizes the adjustment of tunnel portal length；Adjust tunnel on three-dimensional planar line position
Light and shade boundary mileage points in road realizes the adjustment of cut-and-cover tunnel length；Tunnel portal position one timing is can be implemented in by the method
The ratio choosing of tunnel gap length, portal length and open cut tunnel length；
Described realize tunnel portal skew (S11) near three-dimensional space top-stitching position, refer to by adjusting local coordinate system midpoint
X, y, z coordinate realize tunnel portal skew near three-dimensional space top-stitching position, the Tunnel mouth brush slope height after skew and reality
Border dimensional topography self adaptation, the ratio that can be realized tunnel portal periphery the most collinear position situation by the method is selected.
Tunnel portal position automatization the most according to claim 1 is than the BIM method for designing of choosing, it is characterised in that three
Set up tunnel portal section critical importance point (S3) and setting up on dimensional plane line position to move along direction, three-dimensional space top-stitching position, tunnel
Point (S4), when tunnel portal mileage points changes in tunnel gap mileage points, tunnel portal mileage points, the boundary of tunnel portal open cut tunnel
Point linkage on Cheng Dian, tunnel light and shade boundary three-dimensional space top-stitching position corresponding to mileage points, and then realize tunnel portal in (S9)
Ratio choosing on direction, three-dimensional space top-stitching position；When tunnel gap mileage points, tunnel portal open cut tunnel boundary mileage points, tunnel light and shade are divided
Tunnel gap mileage points during the variation of boundary mileage points, tunnel portal open cut tunnel boundary mileage points, tunnel light and shade boundary mileage points are corresponding
Point linkage on three-dimensional space top-stitching position, and then realize tunnel gap length, portal length and the ratio of open cut tunnel length in (S10)
Choosing.
Tunnel portal position automatization the most according to claim 1 is than the BIM method for designing of choosing, it is characterised in that set up
Along being perpendicular to the point (S5) that direction, three-dimensional space top-stitching position, tunnel is moved, realize a little when the coordinate figure of three dimensions point changes
Edge is perpendicular to the movement in direction, three-dimensional space top-stitching position, tunnel, and then realizes tunnel portal periphery the most collinear position situation in (S11)
Than choosing.
Tunnel portal position automatization the most according to claim 1 is than the BIM method for designing of choosing, it is characterised in that exploitation
Upward slope at exit of tunnel template (S7), this template achieves the self adaptation on upward slope at exit of tunnel brush slope and dimensional topography.
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| CN108170921B (en) * | 2017-12-21 | 2021-05-07 | 中国铁路设计集团有限公司 | BIM design method for tunnel auxiliary tunnel line position selection |
| CN108920870A (en) * | 2018-07-24 | 2018-11-30 | 中国铁路设计集团有限公司 | A kind of tunnel open excavation section excavation of foundation pit face design method based on BIM |
| CN108920870B (en) * | 2018-07-24 | 2022-08-12 | 中国铁路设计集团有限公司 | BIM-based tunnel open excavation section foundation pit excavation surface design method |
| CN109271701A (en) * | 2018-09-11 | 2019-01-25 | 中国铁路设计集团有限公司 | A kind of water supply and drainage BIM forward design method based on up to cable system |
| CN109271701B (en) * | 2018-09-11 | 2023-05-12 | 中国铁路设计集团有限公司 | Water supply and drainage BIM forward design method based on reach system |
| CN109858172A (en) * | 2019-02-18 | 2019-06-07 | 中国铁路设计集团有限公司 | Quickly establish the design method of profile steel frame BIM model |
| CN110411370A (en) * | 2019-07-26 | 2019-11-05 | 北京住总集团有限责任公司 | A kind of the risk of tunnel construction managing and control system based on space time parameter |
| CN110411370B (en) * | 2019-07-26 | 2021-02-19 | 北京住总集团有限责任公司 | Tunnel construction risk management and control system based on space time parameters |
| CN110751315A (en) * | 2019-09-23 | 2020-02-04 | 中南大学 | Man-machine interactive line selection method, system and controller for strip mine road system |
| CN110751315B (en) * | 2019-09-23 | 2023-09-19 | 中南大学 | Man-machine interaction type route selection method, system and controller for strip mine road system |
| CN113378260A (en) * | 2021-05-21 | 2021-09-10 | 中铁第四勘察设计院集团有限公司 | BIM-based urban rail transit vehicle section road deceleration strip design method |
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