CN115906218A - Rapid modeling method for railway engineering operation and maintenance BIM model - Google Patents
Rapid modeling method for railway engineering operation and maintenance BIM model Download PDFInfo
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Abstract
The invention discloses a rapid modeling method for a railway engineering operation and maintenance BIM model, which comprises the following steps: according to the expanded IFD classification standard, taking hierarchical layered state evaluation as a basis, splitting a railway engineering facility structure step by step, establishing a component structure tree, carrying out parametric modeling on the split minimum component unit, and completing the creation of a family, wherein the family comprises a profile family and a placement family; importing a related file of the line center line, setting end points mileage and elevation, and completing the setting of the center line; for the members of the contour group to be arranged, a method of sweeping or fusing by combining the central lines is adopted, and mileage information is set; for the components of the placement family to be arranged, adopting a method of arranging along a central line, and setting position parameters; and setting the attributes of the corresponding components and carrying out unique coding on each component, thereby completing the BIM model for the operation and maintenance of the railway engineering.
Description
Technical Field
The invention relates to the technical field of infrastructure engineering modeling, in particular to a rapid modeling method for a railway engineering operation and maintenance BIM model.
Background
With the rapid development of the BIM technology (Building Information Modeling), the BIM technology has been accepted and approved by more and more units, and the relevant departments in the country have also come out the BIM policy and the BIM standard. In the field of railway engineering, researches in the fields of industrial BIM standards, interface researches, platform technologies, professional applications and the like are developed by a railway BIM alliance organization, a Chinese railway BIM technical system is preliminarily formed, and application practices are carried out in the industry.
The BIM technology is introduced into the railway engineering operation and maintenance stage to realize the full life cycle management of the railway engineering project, the information required by the design stage, the construction stage and the operation and maintenance stage needs to be correlated, the operation and maintenance information is updated in time, and the project efficiency and the benefit are improved.
The railway engineering system is huge, so that the railway engineering system not only relates to main bodies or auxiliary structures of railway bridge engineering, roadbed engineering, line track engineering, tunnel engineering and the like, but also has low association rule degree of each component, complicated structure, variable line type and long line mileage, and part of engineering is subjected to maintenance and reinforcement and has larger change with the original design geometric form, so that the BIM operation and maintenance model of the railway engineering is higher in batch establishment difficulty.
At present, domestic and foreign institutions carry out certain research aiming at the application of the BIM technology in railway engineering, but mainly focus on single projects or single specialties, do not integrate and consider all specialties of railway work, do not consider the creation of the BIM model aiming at the operation and maintenance requirements, and along with the rapid increase of railway operation mileage, need to construct a rapid modeling method of the BIM model for the railway work engineering operation and maintenance urgent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a rapid modeling method for a railway engineering operation and maintenance BIM model. The method is combined with a railway work account book, focuses on REVIT as a platform, establishes an adjustable family library which is suitable for railway work engineering and has certain universality, and establishes an effective method for building BIM (building information modeling) model of the railway work engineering in an operation and maintenance period.
A railway work engineering operation and maintenance BIM model rapid modeling method comprises the following steps:
according to the expanded IFD classification standard, taking hierarchical layered state evaluation as a basis, splitting a railway engineering facility structure step by step, establishing a component structure tree, carrying out parametric modeling on the split minimum component unit, and completing the creation of a family, wherein the family comprises a profile family and a placement family;
importing a related file of a line center line, setting end points mileage and elevation, and completing the setting of the center line;
for the members of the contour group to be arranged, a method of sweeping or fusing by combining the center lines is adopted, and mileage information is set;
for the components of the placement family to be arranged, adopting a method of arranging along a central line, and setting position parameters;
and setting the attributes of the corresponding components and carrying out unique coding on each component, thereby completing the BIM model for the operation and maintenance of the railway engineering.
As an improvement of the above method, the building block tree specifically comprises:
the first stage is a circuit;
the second level is specialty, including bridge specialty, tunnel specialty, roadbed specialty and track specialty;
the third level is a region or area in which,
the bridge specialty comprises an upper structure, a lower structure, a support and accessory facilities; the tunnel specialty comprises a tunnel body structure, a tunnel door structure, a water prevention and drainage system and an auxiliary structure; the roadbed specialty comprises a railway roadbed, a water prevention and drainage system and an auxiliary structure: the track specialty includes: the device comprises a steel rail, a fastener, a sleeper, a turnout, a gravel bed, a ballastless track bed, a steel rail telescopic regulator, a reinforcing device and an accessory device;
the fourth stage is a member wherein,
for the major of bridges, the upper structure comprises a beam body and a diaphragm plate, the lower structure comprises piers and foundations, the supports comprise common supports and anti-seismic supports, and the auxiliary facilities comprise anti-falling beam facilities, inspection facilities, anti-collision facilities, anti-drainage facilities and the like;
for the tunnel major, the tunnel body structure comprises a primary support, a blind hole lining structure and an open cut tunnel structure, the tunnel portal structure comprises a portal ring frame, a wing wall, an end wall, a column pier and a nameplate, the waterproof and drainage system comprises a waterproof layer, a blind pipe and a water stop, and the auxiliary structure comprises a groove and an auxiliary cavern;
for the subgrade specialty, the railway subgrade comprises a common subgrade and a transition section subgrade, the water prevention and drainage system comprises a drainage ditch, and the auxiliary structure comprises a protective fence, a retaining wall and a maintenance facility;
to the track specialty, the sleeper includes ordinary sleeper and switch pillow, and the switch includes single switch, symmetry switch, combination switch and other, and the rubble ballast bed includes individual layer and double-deck rubble ballast bed, and the ballastless track includes track board, bed board, isolation layer, adjustment layer, base and connecting piece, and the rail expansion adjustment ware includes one-way and two-way flexible regulator, strengthens equipment including gauge rod and rail brace, and the accessory equipment includes shock pad, guardrail rail and abatvoix.
As an improvement of the above method, the parametric modeling specifically includes: profile parameters, length parameters, and position parameters; wherein the content of the first and second substances,
the contour parameters are used for controlling the external dimension of the minimum component unit; the length parameter is used for controlling the length or height of the minimum component unit; the position parameters are used to determine the placement position of the minimum building block in the line.
As an improvement of the method, the method comprises the steps of importing a relevant file of a line center line, setting end point mileage and elevation, and completing the setting of the center line; the method specifically comprises the following steps:
importing the trimmed CAD file, and inputting the mileage information of an end point; the CAD file comprises a horizontal center line and a longitudinal curve; or
Selecting a model line created in the REVIT, and inputting mileage information of an end point; the model line comprises a horizontal center line and a longitudinal curve; or
Importing Excel elevation point information;
judging whether the conditions for generating the curve are met or not, and generating a corresponding family file; otherwise, prompting an input error.
As an improvement of the above method, for the member to be arranged with the contour family, a method of sweeping or fusing in combination with the center line is adopted, and mileage information is set; the method specifically comprises the following steps:
for the component to be provided with the contour group, if the component is a single cross section, a method of sweeping by combining a central line is adopted, the corresponding contour group is selected to generate a group file, and mileage information is set;
if the variable cross section is the variable cross section, a method of combining the central line for fusion is adopted, the variable cross section is set according to the mileage and the outline family, the table account information is generated in a segmented mode, and functions of adding, deleting and modifying are provided until a family file group is generated; the family file group comprises a plurality of family files generated in a segmentation mode according to the standing book information, and each family file corresponds to two adjacent sections.
As a modification of the above method, the method of arranging along the center line is adopted for the members of the placement family to be arranged, and the position parameters are set; the method specifically comprises the following steps:
the arrangement of the roadbed and the steel rail or the ballast track bed in the track is directly generated by a method of sweeping or fusing the contour group and the central line;
the arrangement of the tunnel and the accessory components thereof as well as the sleepers, the fasteners and the accessory components thereof of the track comprises the arrangement along the route mileage and the arrangement according to the designated positions;
the arrangement of the bridge and the accessory components thereof comprises the steps of setting according to pier numbers, mileage along a line and setting according to specified positions.
As an improvement of the above method, the setting of the attributes of the respective components and the unique encoding for each component; the method specifically comprises the following steps:
setting the attribute of the corresponding component by setting parameters or importing a table;
and (4) coding the component according to the line, stage, edition, section, work point, specialty, detail, type and number in the attribute, generating a unique component code comprising the 9 fields, and associating the corresponding operation and maintenance infrastructure ledger of the engineering project.
As an improvement of the above method, the method further comprises counting the components of the specified type according to family name, family type or by range.
Compared with the prior art, the invention has the advantages that:
1. the method is based on the operation and maintenance stage, and aims at the operation and maintenance business granularity requirements of routing inspection, maintenance and repair of the existing line (including reinforcement measures) and the newly-built line, IFD classification coding and expansion are carried out on railway engineering infrastructure to obtain the minimum component unit meeting the field operation and maintenance requirements of the engineering, and the engineering facility model architecture is generated. Establishing a parameterized model, a parameterized component library and a reinforcement measure library by using REVIT according to the characteristics of each type of component unit; preparing for quickly assembling the whole line by one key for bridges, tunnels, roadbeds and rails, and giving each member unique member code, member name and other attribute information meeting the operation and maintenance requirements;
2. according to the invention, around the actual operation and maintenance requirements, the fineness division is carried out on the modeling component family library, so that the requirement of field manual inspection service application is met;
3. the method generates a corresponding family library aiming at the existing structural reinforcement measures, and quickly realizes the reinforcement measures corresponding and consistent with the real environment;
4. the attribute information of the model determined by the invention can realize accurate positioning of the corresponding information of the model in the standing book, thereby realizing the association with the standing book data.
Drawings
FIG. 1 is a flow chart of the rapid modeling method of the railway engineering operation and maintenance BIM model of the invention;
FIG. 2 is a component library interface;
FIG. 3 is a line centerline interface;
FIG. 4 is a subgrade professional model generation interface;
FIG. 5 is a bridge specialization model generation interface;
FIG. 6 is a self-contained property of a bridge professional model;
FIG. 7 is a self-contained attribute of a tunnel professional model;
FIG. 8 is a self-contained attribute of a roadbed specialized model;
FIG. 9 is a track specialty model with its own properties;
FIG. 10 is a property addition interface;
FIG. 11 is a building block encoding rule;
FIG. 12 is a data extraction interface.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, embodiment 1 of the present invention provides a rapid modeling method for a railway engineering operation and maintenance BIM model. The method comprises the following steps:
according to the expanded IFD classification standard, based on the hierarchical layered state evaluation, gradually splitting the railway line facility structure in the operation and maintenance stage of the engineering project, establishing a component structure tree, carrying out parametric modeling on the split minimum component unit, and completing the creation of a family, wherein the family comprises a contour family and a placement family;
importing a related file of a line center line, setting end points mileage and elevation, and completing the setting of the center line;
for the members of the contour group to be arranged, a method of sweeping or fusing by combining the central lines is adopted, and mileage information is set;
for the members of the placement family to be arranged, adopting a method of arrangement along the central line, and setting position parameters;
and setting the attribute of the corresponding component and carrying out unique coding on each component so as to finish the railway engineering operation and maintenance BIM model.
1. Creation of parameterized component libraries
And according to the IFD classification standard, splitting the railway engineering facility, and establishing a member structure tree comprising multiple stages.
The multi-professional parameterized family library and the component library interface are shown in FIG. 2.
The first stage is a circuit;
the second level is specialty, including bridge specialty, tunnel specialty, roadbed specialty and track specialty;
the third level is a part/area, such as a bridge which can be divided into an upper structure, a lower structure, a support, an auxiliary facility and the like,
the bridge specialty comprises an upper structure, a lower structure, a support and accessory facilities; the tunnel specialty comprises a tunnel body structure, a tunnel door structure, a water prevention and drainage system and an auxiliary structure; the roadbed specialty comprises a railway roadbed, a water prevention and drainage system and an auxiliary structure: the track specialty includes: the device comprises a steel rail, a fastener, a sleeper, a turnout, a gravel bed, a ballastless track bed, a steel rail telescopic regulator, a reinforcing device and an accessory device;
the fourth stage is a member, such as a beam body of an upper structure, a pier body of a lower structure, a top cap and the like. Wherein the content of the first and second substances,
for the major of bridges, the upper structure comprises a beam body and a diaphragm plate, the lower structure comprises piers and foundations, the supports comprise common supports and anti-seismic supports, and the auxiliary facilities comprise anti-falling beam facilities, inspection facilities, anti-collision facilities, anti-drainage facilities and the like;
for the tunnel major, the tunnel body structure comprises a primary support, a blind hole lining structure and an open cut tunnel structure, the tunnel portal structure comprises a portal ring frame, a wing wall, an end wall, a column pier and a nameplate, the waterproof and drainage system comprises a waterproof layer, a blind pipe and a water stop, and the auxiliary structure comprises a groove and an auxiliary cavern;
for the subgrade specialty, the railway subgrade comprises a common subgrade and a transition section subgrade, the water prevention and drainage system comprises a drainage ditch, and the auxiliary structure comprises a protective fence, a retaining wall and a maintenance facility;
to the track specialty, the sleeper includes ordinary sleeper and switch pillow, and the switch includes single switch, symmetry switch, combination switch and other, and the rubble ballast bed includes individual layer and double-deck rubble ballast bed, and the ballastless track includes track board, bed board, isolation layer, adjustment layer, base and connecting piece, and the rail expansion adjustment ware includes one-way and two-way flexible regulator, strengthens equipment including gauge rod and rail brace, and the accessory equipment includes shock pad, guardrail rail and abatvoix.
For example, for a bridge project, the accuracy of bridge splitting and modeling is shown in table 1.
TABLE 1 bridge IFD structural partitioning
And after the hierarchical division is finished, starting the parametric modeling of the minimum unit, wherein the parameters are profile parameters, length parameters and position parameters. The profile parameter is used for controlling the external dimension of the minimum unit component, and the length parameter is used for controlling the length or the height of the minimum unit component. The position parameters are used for determining the placing position of the position parameters in the line. And creating and reserving the required family according to the principle.
2. Line center line
The line center line is a three-dimensional curve synthesized by a flat curve and a longitudinal curve, and as shown in fig. 3, the flat longitudinal curve is generated by three methods: the first method is to directly import the trimmed CAD file; the second creates model lines directly in the REVIT; and inputting mileage information of the endpoint. And the third step of importing Excel elevation point information. And clicking to determine after the information is configured, judging whether a three-dimensional curve, namely a three-dimensional line central line, can be generated by the system, if so, generating a corresponding body family file and loading the file into a project, and otherwise, prompting a message.
3. Arrangement of a family of profiles
For the component to be provided with the profile family, if the component is a single cross section, a sweeping method is carried out by combining a central line, a family file is generated by selecting the corresponding profile family, and mileage information is set;
if the variable cross section is the variable cross section, a method of combining the central lines for fusion is adopted, the variable cross section is set according to the mileage and the outline family, the variable cross section is generated in a segmentation mode according to the ledger information, and functions of adding, deleting and modifying are provided until a family file group is generated; the family file group comprises a plurality of family files generated in a segmentation mode according to the standing book information, and each family file corresponds to two adjacent sections.
Taking the roadbed as an example:
the structure of the roadbed is complex, the roadbed cannot be generated by professional large-scale application standardized components such as bridges and tunnels in three-dimensional design application, the design needs to be comprehensively analyzed in combination with terrain, so that the roadbed sections of all projects are possibly different, the model reusability is very low, and under the condition, the roadbed is generated by sweeping or fusion by adopting a contour group and a central line. Selecting a corresponding roadbed outline family from a single cross section, clicking to generate an integral file, and generating a family file; the variable cross-section is arranged according to mileage and a contour family, and modification can be added and deleted in the variable cross-section, as shown in FIG. 5.
And (3) increasing: adding the information in the text box to a list;
modification: after a certain piece of data in the selected list is modified in the text box, a modification button is clicked to complete modification;
and (3) deleting: selecting data in the list box, and clicking a delete button to delete the data;
importing data: adding data into a list by introducing a csv format table file, wherein the data is added after being automatically cleared;
and (3) exporting data: exporting the data in the list to a table in the csv format;
segmentation generates a plurality of family files (quanta): generating a family file between two adjacent interfaces;
segmentation generates a whole family file (volume): the value generates a family file, but the inside of the family file is segmented, a plurality of family files can be generated by segmentation, and one family file can also be generated by segmentation.
The segmentation is to be consistent with the segmentation in the ledger information.
4. Placing family
Bridge, tunnel, rail and attachments
Selecting bridge members to be placed, and selecting a bearing platform rfa as shown in fig. 4, wherein three placing modes are adopted: along the line, at the designated position and by pier number.
There are two ways along the line: the first direct input parameter: inputting initial mileage, spacing and quantity limits, wherein the quantity limit is not limited when being 0, otherwise, the limitation is carried out, and only 4 components are placed from the initial mileage; the offset distance is a distance translated along the normal direction of the current point; rotation angle: rotating according to actual conditions. The second type is generated according to the import table: import table generation, table fields include (mileage/family type/offset distance/rotation angle).
Specifying a position, inputting X/Y/Z click addition, and adding coordinate information in a text box into a list; batch generation: the building blocks are placed according to the list data.
There are two ways according to the pier number: generating according to a plurality of pier numbers: separated by English commas, if only one pier number exists, only corresponding numbers are written, and the format is (1, 56,45, 89); and (3) generating according to continuous pier numbers: pier numbers within this range are determined from the starting pier number and the ending pier number and a model is generated.
The special placing modes of the tunnel and the track are the first two, the placing modes are specific to the bridge according to the pier number, and other placing modes are not special and are not repeated.
5. Attribute addition
FIG. 6 shows the self-contained attributes of the professional bridge model; FIG. 7 is a self-contained attribute of a tunnel professional model; FIG. 8 is a self-contained attribute of a roadbed specialized model; FIG. 9 is a track specialty model self-contained property.
Two ways are added to the attributes: the first is to directly input parameters, and the case of a small number of families is, as in fig. 10, increased by 1: if the add value is "yes," then the number is automatically added after the value. If each component has a unique component code, the serial number +1 is increased by 1.
Second import table: importing table data, wherein the definition of a table header is the same as that of the first type; and (3) deriving a table: the table data may also be exported to an archive.
And (3) starting coding: clicking automatically encodes the pattern as shown in fig. 11.
In the operation and maintenance stage, the railway line infrastructure is subjected to multi-professional (bridge, tunnel, road, rail and the like) one-key type rapid modeling, and the component modeling precision and the information depth are determined according to the requirements of the business equipment ledger and maintenance.
And (4) parameterizing and configuring the line positioning, outline and height/length information of each professional model in two modes of an attribute panel and an Excel table.
Operation and maintenance phase infrastructure one-click attribute addition: component name, component code, IFD, serial number, etc., wherein fields of the component name and the component code can be custom edited, added, and replaced. The uniqueness of the structure or the component can be directly positioned through the attribute information, and then the corresponding business infrastructure ledger is related.
6. Data extraction
As shown in fig. 12, the statistics may be performed by group name, group type, or by range.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the scope of the claims of the present invention.
Claims (8)
1. A railway work engineering operation and maintenance BIM model rapid modeling method comprises the following steps:
according to the expanded IFD classification standard, taking the hierarchical layered state evaluation as a basis, splitting the railway engineering facility structure step by step, establishing a component structure tree, carrying out parametric modeling on the split minimum component unit, and completing the creation of a family, wherein the family comprises a contour family and a placement family;
importing a related file of a line center line, setting end points mileage and elevation, and completing the setting of the center line;
for the members of the contour group to be arranged, a method of sweeping or fusing by combining the central lines is adopted, and mileage information is set;
for the members of the placement family to be arranged, adopting a method of arrangement along the central line, and setting position parameters;
and setting the attributes of the corresponding components and carrying out unique coding on each component, thereby completing the BIM model for the operation and maintenance of the railway engineering.
2. The railway work engineering operation and maintenance BIM model rapid modeling method according to claim 1, wherein the component structure tree specifically comprises:
the first stage is a circuit;
the second level is specialty and comprises bridge specialty, tunnel specialty, roadbed specialty and track specialty;
the third level is a region or area in which,
the bridge specialty comprises an upper structure, a lower structure, a support and accessory facilities; the tunnel specialty comprises a tunnel body structure, a tunnel door structure, a water prevention and drainage system and an auxiliary structure; the roadbed specialty comprises a railway roadbed, a water prevention and drainage system and an auxiliary structure: the track specialty includes: the device comprises a steel rail, a fastener, a sleeper, a turnout, a gravel bed, a ballastless track bed, a steel rail telescopic regulator, a reinforcing device and an accessory device;
the fourth stage is a member wherein,
for the major of bridges, the upper structure comprises a beam body and a diaphragm plate, the lower structure comprises piers and foundations, the supports comprise common supports and anti-seismic supports, and the auxiliary facilities comprise anti-falling beam facilities, inspection facilities, anti-collision facilities, anti-drainage facilities and the like;
for the tunnel major, the tunnel body structure comprises a primary support, a blind hole lining structure and an open cut tunnel structure, the tunnel portal structure comprises a portal ring frame, a wing wall, an end wall, a column pier and a nameplate, the waterproof and drainage system comprises a waterproof layer, a blind pipe and a water stop, and the auxiliary structure comprises a groove and an auxiliary cavern;
for the subgrade specialty, the railway subgrade comprises a common subgrade and a transition section subgrade, the water prevention and drainage system comprises a drainage ditch, and the auxiliary structure comprises a protective fence, a retaining wall and a maintenance facility;
to the track specialty, the sleeper includes ordinary sleeper and switch pillow, and the switch includes single switch, symmetry switch, combination switch and other, and the rubble ballast bed includes individual layer and double-deck rubble ballast bed, and the ballastless track includes track board, bed board, isolation layer, adjustment layer, base and connecting piece, and the rail expansion adjustment ware includes one-way and two-way flexible regulator, strengthens equipment including gauge rod and rail brace, and the accessory equipment includes shock pad, guardrail rail and abatvoix.
3. The railway work engineering operation and maintenance BIM model rapid modeling method according to claim 2, wherein the parametric modeling specifically comprises: profile parameters, length parameters and position parameters; wherein the content of the first and second substances,
the contour parameters are used for controlling the external dimensions of the minimum component unit; the length parameter is used for controlling the length or height of the minimum component unit; the position parameters are used to determine the placement position of the minimum building block in the line.
4. The railway engineering operation and maintenance BIM model rapid modeling method according to claim 1, wherein the relevant file of the central line of the line is imported, the end point mileage and the elevation are set, and the central line is set; the method specifically comprises the following steps:
importing the trimmed CAD file, and inputting the mileage information of an end point; the CAD file comprises a horizontal center line and a longitudinal curve; or
Selecting a model line created in the REVIT, and inputting mileage information of an end point; the model line comprises a horizontal center line and a longitudinal curve; or
Importing Excel elevation point information;
judging whether the conditions for generating the curve are met or not, and generating a corresponding family file; otherwise, prompting an input error.
5. The railway engineering operation and maintenance BIM model rapid modeling method according to claim 1, characterized in that for the members to be arranged with the contour family, a method of sweeping or fusing with a central line is adopted, and mileage information is set; the method specifically comprises the following steps:
for the component to be provided with the contour group, if the component is a single cross section, a method of sweeping by combining a central line is adopted, the corresponding contour group is selected to generate a group file, and mileage information is set;
if the variable cross section is the variable cross section, a method of combining the central line for fusion is adopted, the variable cross section is set according to the mileage and the outline family, the table account information is generated in a segmented mode, and functions of adding, deleting and modifying are provided until a family file group is generated; the family file group comprises a plurality of family files generated in a segmentation mode according to the standing book information, and each family file corresponds to two adjacent sections.
6. The railway engineering operation and maintenance BIM model rapid modeling method as claimed in claim 2, wherein for the members of the placement family to be arranged, a method of arrangement along a central line is adopted to set position parameters; the method specifically comprises the following steps:
the arrangement of the roadbed and the steel rail or the ballast track bed in the track is directly generated by a method of sweeping or fusing the contour group and the central line;
the arrangement of the tunnel and the accessory components thereof as well as the sleepers, the fasteners and the accessory components thereof of the track comprises the arrangement along the route mileage and the arrangement according to the designated positions;
the arrangement of the bridge and the accessory components thereof comprises the steps of setting according to pier numbers, mileage along a line and setting according to specified positions.
7. The railway engineering operation and maintenance BIM model rapid modeling method as claimed in claim 1, wherein the attributes of the corresponding components are set and each component is uniquely encoded; the method specifically comprises the following steps:
setting the attribute of the corresponding component by setting parameters or importing a form;
and (3) coding the component according to the line, stage, version, interval, work point, specialty, detail, type and number in the attribute, generating a unique component code comprising the 9 fields, and associating the corresponding work engineering operation and maintenance infrastructure ledger.
8. The BIM rapid modeling method for railway work engineering operation and maintenance according to claim 1, characterized in that the method further comprises counting the components of a specified type according to family name, family type or by range.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116645088A (en) * | 2023-07-27 | 2023-08-25 | 中国铁路设计集团有限公司 | Urban rail information model component division and electromechanical equipment operation and maintenance method and device |
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| CN116645088A (en) * | 2023-07-27 | 2023-08-25 | 中国铁路设计集团有限公司 | Urban rail information model component division and electromechanical equipment operation and maintenance method and device |
| CN116645088B (en) * | 2023-07-27 | 2023-10-31 | 中国铁路设计集团有限公司 | Urban rail information model component division and electromechanical equipment operation and maintenance method and device |
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