CN117235844A - Tunnel BIM model parameterized modeling method based on Dynamo plugin - Google Patents
Tunnel BIM model parameterized modeling method based on Dynamo plugin Download PDFInfo
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- CN117235844A CN117235844A CN202311075518.7A CN202311075518A CN117235844A CN 117235844 A CN117235844 A CN 117235844A CN 202311075518 A CN202311075518 A CN 202311075518A CN 117235844 A CN117235844 A CN 117235844A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000000605 extraction Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 5
- 239000011384 asphalt concrete Substances 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 9
- 230000011218 segmentation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application provides a tunnel BIM model parametric modeling method based on Dynamo plugins, which comprises the following steps: acquiring coordinates of each central point on a central line of a tunnel to be built, coordinates of a tunnel side line and corresponding mileage stake marks, and inputting the coordinates into an Excel table; opening Revit software, programming by utilizing Dynamo, reading coordinates of each central point in an Excel table to establish a spline curve, and taking the spline curve as a tunnel center line; equally dividing the central line of the tunnel into a plurality of segments, and marking pile numbers on tunnel boundary coordinates of the segment positions; establishing a member parameterization family of a tunnel to be established; and programming by Dynamo, and calling a component parameterization group to instantiate on a given tunnel sideline coordinate according to the tunnel central line and the tunnel sideline coordinate to generate a segmented tunnel BIM with a pile number mark. The application accelerates the modeling speed and improves the fineness of the model.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a tunnel BIM model parameterized modeling method based on Dynamo plugins.
Background
As the application of BIM technology in the building field is increasingly advanced, the BIM technology in the building field is becoming mature, and the demand of the infrastructure field for the BIM technology is becoming more urgent. In the infrastructure, because the central line of the tunnel is a three-dimensional space curve, the Revit software is difficult to process the space three-dimensional curve, and the establishment of the BIM model of the tunnel is particularly difficult.
The existing and used modeling mode is to create a tunnel center line through Civil 3D software, extract the center line into Revit, build a tunnel contour family, load the contour family into a center line model, and loft and fuse to create a main body model of each tunnel segment. The method is relatively simple, but cannot meet the requirements of site construction such as extraction of three-dimensional coordinate data and extraction of engineering quantity by segmentation and item.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
In order to overcome the defects existing in the prior art, a tunnel BIM model parameterized modeling method based on Dynamo plugins is provided, modeling speed is increased, and model fineness is improved.
In order to achieve the above purpose, the application provides a tunnel BIM model parameterized modeling method based on Dynamo plugins, which comprises the following steps:
s1: acquiring coordinates of each central point on a central line of a tunnel to be built, coordinates of a tunnel side line and corresponding mileage stake marks, and inputting the coordinates into an Excel table;
s2: opening Revit software, programming by utilizing Dynamo, reading coordinates of each central point in an Excel table to establish a spline curve, and taking the spline curve as a tunnel center line;
s3: equally dividing the central line of the tunnel into a plurality of segments, and marking pile numbers on tunnel boundary coordinates of the segment positions;
s5: establishing a member parameterization family of a tunnel to be established;
s6: and programming by Dynamo, and calling a component parameterization group to instantiate on a given tunnel sideline coordinate according to the tunnel central line and the tunnel sideline coordinate to generate a segmented tunnel BIM with a pile number mark.
Further, the tunnel component comprises an inverted arch, an arch part primary support, a partition wall primary support, a side wall, a drainage ditch, a strong and weak electric cable groove and a tunnel asphalt concrete surface layer.
Further, after a tunnel BIM model with a pile number mark in a segmentation mode is generated, engineering quantity extraction and three-dimensional coordinate extraction are carried out according to the pile number.
Compared with the prior art, the application has the following beneficial effects:
1. the modeling speed of the tunnel BIM model is improved, and a large amount of time is saved;
2. engineering quantities of all the components of the tunnel divided according to the construction section can be accurately obtained;
3. three-dimensional coordinate data of any point in the tunnel can be accurately extracted, and errors caused by manual modeling are eliminated;
4. the method is friendly to new BIM modeling personnel, simple and easy to operate and convenient and quick to process data.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1 is a flowchart of a tunnel BIM model parameterized modeling method based on Dynamo plugins according to an embodiment of the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
The application aims to adopt a Dynamo plug-in programming method, take Revit software as a platform, quickly establish a tunnel BIM model by extracting data, accelerate modeling speed, improve model fineness, obtain three-dimensional coordinate data of any position in the BIM model, and accurately extract any section of tunnel lining or primary engineering quantity as required.
Referring to fig. 1, the application provides a tunnel BIM model parameterized modeling method based on Dynamo plugins, which comprises the following steps:
s1: acquiring coordinates of each central point on a central line of a tunnel to be built, coordinates of a tunnel side line and corresponding mileage stake marks, and inputting the coordinates into an Excel table;
s2: opening Revit software, programming by utilizing Dynamo, reading coordinates of each central point in an Excel table to establish a spline curve, and taking the spline curve as a tunnel center line;
s3: equally dividing the central line of the tunnel into a plurality of segments, and marking pile numbers on tunnel boundary coordinates of the segment positions;
s5: establishing a member parameterization family of a tunnel to be established;
s6: and programming by Dynamo, and calling a component parameterization group to instantiate on a given tunnel sideline coordinate according to the tunnel central line and the tunnel sideline coordinate to generate a segmented tunnel BIM with a pile number mark.
Further, the tunnel component comprises an inverted arch, an arch part primary support, a partition wall primary support, a side wall, a drainage ditch, a strong and weak electric cable groove and a tunnel asphalt concrete surface layer.
Further, after a tunnel BIM model with a pile number mark in a segmentation mode is generated, engineering quantity extraction and three-dimensional coordinate extraction are carried out according to the pile number.
Further, in step S6, under the condition of having the tunnel center line and the tunnel boundary coordinates, the main body model of each tunnel segment can be quickly lofted and fused to generate the tunnel BIM model.
Or in step S5, when the parameterized family of the member of the tunnel to be built is established, the piecewise family of the tunnel to be built may be established according to the piecewise length and the cross-sectional form of the tunnel to be built; in step S6, the Dynamo is used for programming, and according to the tunnel center line and the separation control points set at the two ends of each segment, the segment family is called to be instantiated on the given coordinates of the separation control points, so as to generate a tunnel main body structure model.
Further, when the tunnel to be built has a bypass, after obtaining the tunnel main body structure model, step S7 may further include: according to the position parameters of the bypass channel of the tunnel to be built, the position parameters are tidied and converted into coordinates, the coordinates are input into an Excel table, a bypass channel segment group is built, the coordinates of the control point of the bypass channel are called through Dynamo, and the bypass channel segment group is instantiated to the control point of the bypass channel, so that the whole tunnel structure model is completed on the basis of the tunnel main body structure model.
The method is generated for the purpose of quickly and accurately establishing the BIM model because the modeling efficiency of the tunnel BIM model is low. And writing a program through the Dynamo plug-in, summarizing data in a tunnel drawing, generating an Excel table, simultaneously establishing a tunnel component group, automatically calling the table data and the tunnel component group after the Dynamo plug-in program is operated, and automatically generating an accurate tunnel BIM model. The following is a specific implementation procedure.
1. Excel table data summary.
And searching data such as a straight curve, a corner, a vertical curve and the like according to the tunnel drawing, calculating coordinates of the middle stake corresponding to the mileage stake number through engineering measurement, and summarizing to generate an Excel table.
2. A parameterized family of tunnel members is established.
And corresponding inverted arches, arch parts, arch part primary supports, partition walls, partition wall primary supports, side walls, drainage ditches, strong and weak current cable grooves, tunnel asphalt concrete surface layers and other member parameterization families are established according to tunnel drawings, so that the later Dynamo program operation and call are facilitated.
3. Programming in Dynamo plug-in according to the whole thought, and specifically comprises the following steps:
(1) The input section is written. The input end needs Excel table names and effective data, tunnel start pile numbers, tunnel stop pile numbers, construction sections divided according to requirements, and the left line/right line of the tunnel needs to be determined.
(2) An Excel table data reading section is written. The form data is read and processed by the program so that it can be effectively used in the subsequent program.
(3) And writing the initial data part and the termination data part to obtain three-dimensional coordinate data and generate a central line. And intercepting the table data through the tunnel start and stop pile numbers, and obtaining the needed X, Y, Z data through processing to generate a tunnel center line.
(4) And writing a construction section treatment part. Inputting the needed construction section values, and processing tunnel center line data into various sections according to the construction section.
(5) The tunnel left/right line mark section is written. After the tunnel is processed according to the construction section, a multi-section tunnel is formed, and the name mark of the tunnel is particularly important. The writer automatically generates pile number data and writes the pile number data into a component attribute, such as a left line K1+030-K1+033 m tunnel.
(6) A family generation model building block is written. And selecting a tunnel component family, and automatically generating a tunnel BIM model divided according to construction sections by running the processed data.
(7) And (3) performing trial running on the whole program, searching bug and repairing, ensuring normal running, and smoothly generating a tunnel BIM model with a pile number mark in a segmentation mode.
4. And after a segmented tunnel BIM model with pile number marks is generated, BIM application such as engineering quantity extraction, three-dimensional coordinate extraction and the like is carried out.
5. After programming is completed without problems, the method can be used for multiple times, and a tunnel BIM model can be quickly and accurately built.
Compared with the prior art, the application has the following beneficial effects:
1. the modeling speed of the tunnel BIM model is improved, and a large amount of time is saved;
2. engineering quantities of all the components of the tunnel divided according to the construction section can be accurately obtained;
3. three-dimensional coordinate data of any point in the tunnel can be accurately extracted, and errors caused by manual modeling are eliminated;
4. the method is friendly to new BIM modeling personnel, simple and easy to operate and convenient and quick to process data.
Although embodiments of the application have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the application as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the application, provided that such modifications are within the scope of the appended claims.
Claims (3)
1. The tunnel BIM model parameterized modeling method based on Dynamo plugins is characterized by comprising the following steps of:
s1: acquiring coordinates of each central point on a central line of a tunnel to be built, coordinates of a tunnel side line and corresponding mileage stake marks, and inputting the coordinates into an Excel table;
s2: opening Revit software, programming by utilizing Dynamo, reading the coordinates of each central point in the Excel table to establish a spline curve, and taking the spline curve as a tunnel center line;
s3: equally dividing the central line of the tunnel into a plurality of segments, and marking pile numbers on tunnel boundary coordinates of the segment positions;
s5: establishing a component parameterization group of the tunnel to be established;
s6: and programming by Dynamo, and calling the component parameterization family to be instantiated on the given tunnel boundary line coordinate according to the tunnel center line and the tunnel boundary line coordinate to generate a segmented tunnel BIM with a pile number mark.
2. The Dynamo plug-in based tunnel BIM model parametric modeling method according to claim 1, wherein the tunnel component includes an inverted arch, an arch part primary support, a partition wall primary support, a side wall, a drainage ditch, a strong and weak electric cable trough, and a tunnel asphalt concrete surface layer.
3. The tunnel BIM model parameterization modeling method based on Dynamo plugins according to claim 1 is characterized in that after a segmented tunnel BIM model with pile number marks is generated, engineering quantity extraction and three-dimensional coordinate extraction are performed according to pile numbers.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117726306A (en) * | 2024-02-07 | 2024-03-19 | 石家庄羚建工程技术咨询有限公司 | Rapid calculation method for tunnel construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117726306A (en) * | 2024-02-07 | 2024-03-19 | 石家庄羚建工程技术咨询有限公司 | Rapid calculation method for tunnel construction |
| CN117726306B (en) * | 2024-02-07 | 2024-05-07 | 石家庄羚建工程技术咨询有限公司 | Rapid calculation method for tunnel construction |
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