CN108563851A - A kind of mountain tunnel BIM modeling methods quickly refined - Google Patents
A kind of mountain tunnel BIM modeling methods quickly refined Download PDFInfo
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- 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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Abstract
The present invention relates to a kind of mountain tunnel BIM modeling methods quickly refined, include the following steps：1) mountain tunnel BIM modeling standards are determined, determine plan view and elevation of the CAD base maps in BIM models；2) Revit and Civil 3D is used to carry out the civil engineering modeling of mountain tunnel；3) it combines Civil 3D to determine the mode of section, carries out the electromechanical modeling of mountain tunnel.Compared with prior art, the present invention models standard with reference to existing municipal works BIM, it is determined that a set of mountain tunnel BIM models standard, it is ensured that the required precision of model, and model component is classified and is expressed, be conducive to model information exchange；The shortcomings that being difficult to directly create space curve in Revit is avoided, mileage is indicated to tunnel center line using road assembly, is conducive to accurately select tunnel location；In such a way that Civil 3D create tunnel contour assembly, it is convenient for the quick placement of a large amount of electromechanical equipments.
Description
Technical field
The present invention relates to a kind of BIM modeling methods, more particularly, to a kind of mountain tunnel BIM modelings quickly refined
Method.
Background technology
In recent years, the attention with country to capital construction, mountain tunnel have obtained a large amount of construction and significant progress.Railway
Build scale in tunnel is ever-expanding simultaneously, and vcehicular tunnel is also with average annual 350 kilometers of speed increase.Mountain tunnel it is a large amount of
It builds, has promoted the fast development of each side's surface technologies such as its design, construction, management, a Typical Representative is exactly answering for BIM technology
With.
Applicating history of the BIM technology in civil engineering field is not grown, and visualized management, Computer Aided Design, project fortune are mainly used in
The fields such as dimension.Applications of the BIM in mountain tunnel is even more to be in the starting stage.BIM technology is applied in mountain tunnel, it can be with
Each professional collaboration platform is built, the efficiency of management is improved；The outer change of design can be reduced, construction is and guided；It can accomplish to visualize
O＆M ensures engineering safety.But it first has to solve the problems, such as using BIM technology, is exactly the BIM modelings of mountain tunnel.However, state
The precedent of inside and outside mountain tunnel BIM modelings is seldom, and the relevant technologies are extremely immature, precision is not high, inefficiency.
Previous mountain tunnel BIM modelings, are usually used for reference the BIM modeling methods of shield tunnel, the side of ring are spelled using section of jurisdiction
Formula cannot reflect the real conditions of mountain tunnel, and model accuracy is not high.Therefore, a whole set of mountain ridge quickly refined is found
Tunnel BIM modeling methods are particularly important.
Invention content
It is quickly refined it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of
Mountain tunnel BIM modeling methods.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of mountain tunnel BIM modeling methods quickly refined, include the following steps：
21) in Civil 3D, the mode for creating road is taken, CAD base maps is picked up in plane and facade respectively and establishes
Space line generates the tunnel center line in Civil 3D；
22) on the tunnel center line in Civil 3D, a road is labeled every ten meters of mileages, tab style uses
AeccTickLine models, to indicate mileage on tunnel center line；
23) Revit metric system conventional models are created, import CAD base maps to be referred to as positioning；It will in Civil 3D
Tunnel center line is placed on origin, and imports the alignment of Revit and CAD base maps；
24) the tunnel center line for importing Revit is replicated once, two tunnel center lines coincide together.Work is flat
Face is set as horizontal reference plane, center line decomposition in a tunnel therein is once become set of blocks, at this time tunnel center line
It can become the small line segment of a rule of the unit length on horizontal reference plane；
25) according to the difference of mountain tunnel profiled outline, mountain tunnel is segmented.With every section in spline curve pickup 24)
Small line segment in mountain tunnel mileage generates a complete center line.Each section of tunnel center line at this time is not space song
Line, but projection of the center line on horizontal reference plane；
26) it sets working face to vertical reference plane, such as could be provided as east elevation, the tunnel that another is imported
Center line decomposition in road once becomes set of blocks, and tunnel center line can become one of the unit length in vertical reference plane at this time
The small line segment of item.The small line segment of unit length is similarly picked up with spline curve in vertical reference plane according to the step in 25), is generated
Projection of the tunnel center line in vertical reference plane；
27) projection of the tunnel center line in horizontal reference plane, vertical reference plane is expanded respectively form closed curve,
Projection line is the key side of closed curve, is created and is stretched according to closed curve.Stretching meeting in two vertical reference planes at this time
Intersection, it is mountain tunnel center line to build the curve that the stretched face in side is intersected by pass；
28) metric system profile is created in Revit, and tunnel cross-section is divided into multiple portions and is stored as profile race respectively, is picked up
Each section of tunnel center line is taken, corresponding tunnel contour race is loaded into, each section of main body tunnel is established in setting-out fusion；
29) each section of main body tunnel is stitched together, the instance parameter of profile corner is set, input different angle numerical value carries out
It attempts, each adjacent tunnel section is spliced and is aligned；
210) model of mountain tunnel accessory structure is created, and is spliced with main body tunnel, in accessory structure and main body
Tunnel adjacency position creates hollow mould and cuts off redundance.
3) it combines Civil 3D to determine the mode of section, carries out the electromechanical modeling of mountain tunnel, specifically include：
31) according to electromechanical equipment type common in mountain tunnel, electromechanical equipment is classified, tunnel confession can be divided into
Distribution, tunnel illuminating system, Tunnel Ventilation System, fire alarm and tunnel fire-fighting, traffic control system, EMS,
Nine major class such as event detection system, emergency call and broadcast system, central control management system, are respectively completed machine in each major class
The Revit in electric equipment race library is modeled.Since many electromechanical equipment Revit models can be downloaded from the Internet, and modeling method is all opposite
Maturation, this patent repeat no more；
32) after the modeling work for completing each electromechanical equipment race library, in Civil 3D, the profile of tunnel cross section is established
Line creates component from the multi-section-line of composition profile, and the component is created as assembling；
33) tunnel contour is traditional thread binding matches for addition on the tunnel center line created in step 27), will assembly addition in each machine
Mileage section where electric equipment.Since electromechanical equipment is typically to be arranged every constant spacing, therefore this method can be quickly in phase
Answer the addition assembly of mileage section.It is not that interval fixed range is arranged for electromechanical equipment, it can mileage adds where equipment manually
Profile is added to assemble；
34) the tunnel center line assembled with tunnel contour, the electromechanical equipment race library created are imported into Revit, directly
Target section is picked up, working face is arranged on the target section；
35) corresponding electromechanical equipment is loaded on the working face, adjusts electromechanical equipment rotation angle, makes itself and tunnel
Surface fits closely, and work is placed in the space for completing a large amount of electromechanical equipments.
In the step 27), plan view in tunnel center line two-dintension CAD drawing can be solved, be unfolded along mileage it is vertical disconnected
The problem that face figure cannot geometrically correspond to geometrically is being mapped by plan view and along the skiagraph of mileage expansion, is completing
The establishment of mountain tunnel center line.
In the step 29), the instance parameter of profile corner is established in setting-out fusion process, realizes adjacent two main body
The close splicing of tunnel construction sections.
In the step 210), when accessory structure splices with main body tunnel, established in the redundance for having collision hollow
It stretches, redundance is sheared, realize the close splicing of accessory structure and main body tunnel.
In the step 31), the modeling work in mountain tunnel civil engineering accessory structure BIM races library, accessory structure are completed
Including transverse passage-way, underground Ventilator Room, electric substation.
In the step 34), in conjunction with the establishment that tunnel contour in Civil 3D assembles, a large amount of electromechanics can be rapidly completed and set
Place work in standby spatial position.
In the step 1), modeling standard includes file-naming standard, view naming standard, working set setting and view
Setting.
Compared with prior art, the present invention has the following advantages：
(1) standard is modeled with reference to existing municipal works BIM, it is determined that a set of mountain tunnel BIM models standard, in the mark
The lower modeling of standard can ensure the required precision of model, and model component is classified and is expressed, and be conducive to model information exchange.
(2) it avoids to establish tunnel center line in such a way that Civil 3D create road and is difficult to directly create in Revit
The shortcomings that building space curve, while being assembled using road to indicate mileage to tunnel center line, be conducive to accurately select tunnel position
It sets.
(3) instance parameter that profile corner is established in setting-out fusion, can be finely adjusted profile corner, avoid phase
Adjacent tunnel construction sections splice uneven problem.
(4) profile assembly is created on tunnel center line, directly electromechanical equipment can be loaded on corresponding section, efficiently
The orientation problem for solving electromechanical equipment shortens the time of mountain tunnel electromechanics modeling.
(5) it according to specific modeling procedure, has write automatic Picking center line and automatic lofting merges two plug-in units, improved
The efficiency of the mountain tunnel modeling method.
Description of the drawings
Fig. 1 is the present embodiment modeling method flow chart；
Fig. 2 is one section of tunnel center line illustraton of model；
Fig. 3 is one section of tunnel main structure chart that setting-out fusion creates；
Fig. 4 is that electromechanical equipment schematic diagram is placed on target section；
Fig. 5 is that the present embodiment establishes mountain tunnel illustraton of model.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
Some standards that the present embodiment is modeled by determining mountain tunnel BIM, are divided into civil engineering model and machine by mountain tunnel
Electric model two major parts, the various softwares such as integrated use AutoCAD, Civil 3D, Revit, and the high modeling efficiency of plug-in unit is write, it is real
The quick fining modeling of existing mountain tunnel.
It is that mountain tunnel disclosed by the invention quickly refines BIM modeling methods as shown in Figure 1.First, with reference to existing
Municipal works BIM models standard, determines the BIM modeling standards of mountain tunnel；Secondly tunnel center is created in Civil 3D
Line imports in Revit, and is loaded into profile race and carries out setting-out fusion, completes the modeling of tunnel main body civil engineering；Adjacent tunnel section is spliced
Get up, adjustment profile rotation angle, the part for cutting off collision keep adjacent tunnel section, tunnel main body and accessory structure close
Splicing；The road assembly that tunnel contour is created in Civil 3D, is attached on tunnel center line according to required interval, imports
Device model is loaded on target section and adjusts rotation angle by Revit；For part cumbersome in this method, compile
Automatic Picking center line plug-in unit and automatic lofting fusion plug-in unit are write, modeling efficiency is improved.Modeling method includes the following steps：
(1) standard is modeled with reference to existing BIM to determine that mountain tunnel BIM models standard：
Before carrying out mountain tunnel BIM modelings, first have to determine its modeling standard.For file designation, " project volume is taken
The form on number-stage number-pattern number (version)-date "；View is named, regulation browser tissue is taken；According to special
Industry is different, and working set is divided into people's air defense, dynamic photograph, shared absolute altitude and axis net, structure, HVAC, built-in fitting, plumbing, finishing, is led to
11 working sets such as letter, fire alarm, monitoring of tools.View setting for model, according to CAD overmoldeds " What You See Is What You Get "
Theory, crucial CAD diagram will have corresponding flat elevation to be corresponding to it in BIM models.
(2) integrated use Revit and Civil 3D carries out the civil engineering modeling of mountain tunnel：
Step 1：In Civil 3D, the mode for creating road is taken, picks up CAD base maps in plane and facade respectively
Establish space line, as tunnel center line.For the determining mileage on tunnel center line, the mode for creating road label is taken,
Select king pile new tab.
Step 2：Tunnel center line is placed on origin in Civil 3D, decomposition once becomes set of blocks.Newly-built Revit
Metric system conventional model imports CAD base maps, and the established tunnel center lines of Civil 3D is imported the Revit models, in making
Heart line is aligned with base map.
Step 3：The projection of the tunnel center line imported respectively with line transect pickup in plane and facade, becomes two
The complete projection line of item.Using this two projection lines as key side, respectively in two perpendicular direction create stretch, two stretching
Intersection is a space line that can directly pick up, i.e., required tunnel center line.
Step 4：Metric system profile is created in Revit, and tunnel cross-section is divided into 14 parts, is stored as profile race respectively.
Tunnel center line is picked up, profile race is loaded into, tunnel model is established in setting-out fusion.In setting-out fusion, the reality of profile corner is established
Example parameter realizes the close splicing of adjacent two tunnel construction sections to be finely tuned to profile corner.
Step 5：Establish the model of the accessory structures such as transverse passage-way, Ventilator Room.When accessory structure splices with main body tunnel, having
The redundance of collision establishes hollow stretching, and redundance is cut off, and realizes the close splicing of accessory structure and main body tunnel.
(3) Civil 3D is combined to determine that the mode of section carries out the electromechanical modeling of mountain tunnel
Step 1：In Civil 3D, the contour line of tunnel cross section is established, component is created from the multi-section-line of composition profile,
And the component is created as assembling.
Step 2：This assembly is added on ready-made tunnel center line in (2), is spaced according to the distance between neighbouring device
Fixed range is placed, and is encrypted at the desired position, can determine the tunnel cross-section where equipment in this way.
Step 3：The tunnel center line assembled with tunnel contour is imported into Revit, target section is directly picked up, by work
Plane is arranged on the section.
Step 4：Electromechanical equipment is loaded on the working face, Default device radially perpendicular to the face, manually adjusts
Rotation angle of equipment makes it be fitted closely with tunnel surface.
(4) automation plug-in unit indirect labor modeling is write
When carrying out the civil engineering modeling of mountain tunnel in (2), the projection line after decomposing is manually picked up, to the 14 of tunnel cross-section
A part difference setting-out fusion is relatively complicated, writes plug-in unit indirect labor modeling.It is one after the Projective decomposition of tunnel center line
The broken line of unit length, according to the thought of break recently in search selected areas, using line transect not each adjacent folding of connection breaking
Point forms a complete projection line.After 14 profile races of tunnel cross-section establish, the profile race specified in plug-in unit is changed
File path picks up tunnel center line, can complete 14 setting-outs and merge to form complete main body tunnel.
By taking certain mountain tunnel as an example, the specific implementation flow of the present invention is illustrated.First in Civil 3D, take according to object
The mode of route is created, pickup CAD base maps create a route.Then the route is chosen again, makes its skiagraph, forms one
Space curve.In king pile command bar new tab, AeccTickLine tag blocks are selected, you can formed in Civil 3D
The required tunnel center line with label.The tunnel center line is decomposed and once becomes set of blocks, it is conventional to import Revit metric systems
Model.The tunnel is segmented according to the difference of lining section form, it is each after being decomposed with line transect pickup for each section of tunnel
Extremity of segment point forms a complete line, which is substantially projection of this section of tunnel center line in reference plane.Similarly, it builds
A working face perpendicular to reference plane is found, picks up a complete projection line on this plane.It is vertical flat at the two
It is established and is stretched for main side with projection line on face, the intersection of stretching is a space line that can directly pick up, as this section of tunnel
Road center line, as shown in Figure 2.
Tunnel cross-section is disassembled according to the principle of " contour line cannot intersect and cannot be nested " into different piece, such as lubrication groove
Exterior feature, outer profile, collecting gutter, right collecting gutter etc., are stored as profile race respectively.These profile races are loaded into, one section of tunnel of establishment is picked up
Road center line, setting-out fusion create tunnel agent structure, as shown in Figure 3.
Since each tunnel construction sections agent structure is to model respectively, usually when the two adjacent tunnel construction sections built up are stitched together
It will appear the untight situation of splicing.Therefore, in setting-out fusion, the example of profile corner is established to head and the tail both ends profile respectively
Parameter is loaded into project, manually adjusts the close splicing that strength parameter values realize adjacent tunnel section.Accessory structure is spliced
When on to main body tunnel, often there is the redundance not actually existed in adjoiner, when such as Ventilator Room being spliced on main body tunnel
It waits.The measure taken is that setting-out fusion generates a hollow mould again needing the place sheared, with hollow mould extra
Entity is sheared in part position, and extra entity clipping is fallen.
As shown in figure 4, solving mountain tunnel electromechanical equipment modeling problem, it is important to solve the problems, such as that equipment is placed, including put
Set place and equipment direction.The contour line of tunnel cross section is established in Civil 3D, and the range line profile is created as filling
Match.This assembly is added on heart line in the road, interval fixed range is placed, and is encrypted at the desired position.Tunnel will be carried
The tunnel center line of road profile assembly imports Revit, directly picks up target section, and working face is arranged on the section.
Finally electromechanical equipment is loaded directly on respective profile section, three-dimensional problem two-dimensional problems can be reduced to, manually adjusted
Rotation angle of equipment.
When each extremity of segment point after being decomposed with line transect pickup forms projection line, since each line segment length after decomposition is
It 1 meter, causes to manually pick up extremely cumbersome.Plug-in unit is write in Revit API, choosing a certain range of line segment can give birth to automatically
At projection line.When setting-out merges and creates tunnel agent structure, since tunnel cross-section is disassembled into many parts, setting-out is needed to melt
It closes repeatedly, increases modeling work amount.Plug-in unit is write in Revit API, inputs folder location where setting-out profile,
It is done directly all setting-out fusions in this section of tunnel.
Through the above steps, the civil engineering BIM models of the mountain tunnel and electromechanics BIM model mergings are got up, can be completed
Tunnel modeling.The two bid section BIM models of tunnel after completion are as shown in Figure 5.High modeling efficiency realizes the quick of mountain tunnel
Fining modeling.
Claims (6)
1. a kind of mountain tunnel BIM modeling methods quickly refined, which is characterized in that include the following steps：
1) mountain tunnel BIM modeling standards are determined, determine plan view and elevation of the CAD base maps in BIM models；
2) it uses Revit and Civil 3D to carry out the civil engineering modeling of mountain tunnel, specifically includes：
21) in Civil 3D, the mode for creating road is taken, CAD base maps is picked up in plane and facade respectively and establishes space
Line generates the tunnel center line in Civil 3D；
22) on the tunnel center line in Civil 3D, a road is labeled every ten meters of mileages, for indicating mileage；
23) Revit metric system conventional models are created, CAD base maps is imported, tunnel center line is placed on origin in Civil 3D, and
Import the tunnel center line alignment of Revit and CAD base maps；
24) the tunnel center line for importing Revit is replicated once, two tunnel center lines coincide together, and working face is set
It is set to horizontal reference plane, center line decomposition in a tunnel therein is once become into set of blocks；
25) according to the difference of mountain tunnel profiled outline, mountain tunnel is segmented, with every section of mountain ridge in spline curve pickup 24)
Small line segment in tunnel mileage generates projection of the center line on horizontal reference plane；
26) it sets working face to vertical reference plane, another tunnel center line decomposition is once become into set of blocks, with step
It is rapid 25) in identical mode in vertical reference plane with spline curve pick up the small line segment of unit length, generate tunnel center line
Projection in vertical reference plane；
27) projection of the tunnel center line in horizontal reference plane, vertical reference plane is expanded respectively and form closed curve, project
Line is the key side of closed curve, is created and is stretched according to closed curve, and the curve intersected by the stretched face of key side is i.e.
For mountain tunnel center line；
28) metric system profile is created in Revit, tunnel cross-section is divided into multiple portions and is stored as profile race respectively, and pickup is each
Section tunnel center line, is loaded into corresponding tunnel contour race, and each section of main body tunnel is established in setting-out fusion；
29) each section of main body tunnel is stitched together, the instance parameter of profile corner is set, each adjacent tunnel section is spliced and is aligned；
210) model of mountain tunnel accessory structure is created, and is spliced with main body tunnel, in accessory structure and main body tunnel
Adjacent position creates hollow mould and shears redundance；
3) it combines Civil 3D to determine the mode of section, carries out the electromechanical modeling of mountain tunnel, specifically include following steps：
31) according to electromechanical equipment type common in mountain tunnel, electromechanical equipment is classified, is respectively completed machine in each major class
The Revit in electric equipment race library is modeled；
32) after the modeling work for completing each electromechanical equipment race library, in Civil 3D, the contour line of tunnel cross section is established, from
The multi-section-line for forming profile creates component, and the component is created as assembling；
33) tunnel contour is traditional thread binding matches for addition on the mountain tunnel center line created in step 27), will assembly addition in each machine
Mileage section where electric equipment；
34) the tunnel center line assembled with tunnel contour, the electromechanical equipment race library created are imported into Revit, directly picked up
Working face is arranged on the target section target section；
35) corresponding electromechanical equipment is loaded on the working face, adjusts electromechanical equipment rotation angle, makes itself and tunnel surface
It fits closely, work is placed in the space for completing a large amount of electromechanical equipments.
2. a kind of mountain tunnel BIM modeling methods quickly refined according to claim 1, which is characterized in that described
Step 29) in, establish the instance parameter of profile corner in setting-out fusion process, realize the close of adjacent two main bodys tunnel construction sections
Splicing.
3. a kind of mountain tunnel BIM modeling methods quickly refined according to claim 1, which is characterized in that described
Step 210) in, when accessory structure and main body tunnel splice, hollow stretching is established in the redundance for having collision, by excess portion
Sub-cut is cut, and realizes the close splicing of accessory structure and main body tunnel.
4. a kind of mountain tunnel BIM modeling methods quickly refined according to claim 1, which is characterized in that described
Step 210) in, complete the modeling work in mountain tunnel civil engineering accessory structure BIM races libraries, accessory structure include transverse passage-way,
Lower Ventilator Room, electric substation.
5. a kind of mountain tunnel BIM modeling methods quickly refined according to claim 1, which is characterized in that described
Step 1) in, modeling standard include file-naming standard, view naming standard, working set setting and view setting.
6. a kind of mountain tunnel BIM modeling methods quickly refined according to claim 1, which is characterized in that described
Step 31) in, electromechanical equipment is divided into tunnel power supply and distribution, tunnel illuminating system, Tunnel Ventilation System, fire alarm and tunnel and disappears
Anti-, traffic control system, EMS, event detection system, emergency call and broadcast system, central control management system
Nine major class.
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| CN113554756A (en) * | 2021-07-30 | 2021-10-26 | 招商局重庆交通科研设计院有限公司 | Rapid construction method of lightweight three-dimensional model of highway tunnel |
| CN114781045A (en) * | 2022-06-22 | 2022-07-22 | 墨斗(天津)科技有限公司 | BIM-based tunnel structure shield segment parameterization design method |
| CN114781045B (en) * | 2022-06-22 | 2022-09-16 | 墨斗(天津)科技有限公司 | BIM-based tunnel structure shield segment parametric design method |
| CN114861287A (en) * | 2022-06-30 | 2022-08-05 | 墨斗(天津)科技有限公司 | BIM-based parametric design method for open excavation section of tunnel structure |
| CN114861287B (en) * | 2022-06-30 | 2022-10-28 | 墨斗(天津)科技有限公司 | BIM-based tunnel structure open cut section parametric design method |
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