CN110647638A - BIM information-based bridge member classification coding method - Google Patents
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Abstract
The invention discloses a BIM information-based bridge member classification coding method, which comprises the following steps: acquiring geometric information and non-geometric information of all members in the bridge model according to the BIM information of the bridge; adding a category screening condition according to the geometric information and the non-geometric information of the components, and screening the components belonging to the same category from all the components; adding an IFD code to each component, wherein the IFD codes of the components belonging to the same category are the same; in all the categories, EBS codes are added to all sections of the members contained in a part of the categories, and EBS codes are added to all the members contained in the rest categories, wherein the EBS codes are different from each other. The invention screens the same type of components according to the geometric information and the non-geometric information of the components, and automatically performs EBS coding on the same type of components in batches, thereby avoiding the situation that errors occur when longer coding parameters are manually input one by one, and improving the coding efficiency and the accuracy.
Description
Technical Field
The invention relates to the field of BIM application in bridge construction, in particular to a BIM information-based bridge member classification coding method.
Background
The Building Information model, namely Building Information Modeling, referred to as BIM for short, is a digitized electronic model containing all Information of a facility, is a virtual substitute of the facility, is a knowledge resource shared by facility Information, and provides a reliable basis for decision making. At present, the BIM technology becomes the popular research field of the civil engineering industry, but the application of the BIM in the bridge engineering field is limited by the imperfection of the BIM technical standard and the like in the bridge engineering field.
In recent years, project management platforms based on BIM are gradually developed into important means for improving the project management level, but how to rapidly name and import codes of a Revit model into the BIM platform to realize effective data identification and association is the primary problem to be solved by the application of the BIM platform at present. The existing Revit software does not have the function of automatically adding group parameters in batches, only can be manually added one by one, and the working efficiency and the accuracy are greatly limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a BIM information-based bridge member classification coding method, which screens out the same type of members according to the geometric information and the non-geometric information of the members, automatically performs EBS coding on the same type of members in batches, avoids the situation that errors occur when long coding parameters are manually input one by one, and can improve the coding efficiency and the coding accuracy.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a BIM information-based bridge member classification coding method comprises the following steps:
acquiring geometric information and non-geometric information of all members in the bridge model according to the BIM information of the bridge;
adding a category screening condition according to the geometric information and the non-geometric information of the components, and screening the components belonging to the same category from all the components;
adding an IFD code to each component, wherein the IFD codes of the components belonging to the same category are the same;
in all the categories, EBS codes are added to all sections of the members contained in a part of the categories, and EBS codes are added to all the members contained in the rest categories, wherein the EBS codes are different from each other.
Further, a part of categories are pier bodies, and the rest categories comprise pile bases, bearing platforms, supporting cushion stones, supports and beams.
Further, for the pier body, the classification screening conditions comprise that the segments are located above the bearing platform, the segments are intersected with the bearing platform, the outer profile sections of the segments are identical, and the segments are intersected with the segments in the vertical direction;
for the pile base class, the category screening conditions comprise pile foundation diameter, pile foundation volume and pile foundation insertion depth;
for the bearing platform class, the class screening conditions comprise the volume of the bearing platform, the upper surface area of the bearing platform and the material of the bearing platform;
for the support cushion stones, the category screening conditions comprise the size of the support cushion stones, the material of the support cushion stones, and the connection of the support cushion stones and the pier body;
for the support class, the class screening conditions comprise support size, support material and connection between the support and a support cushion stone;
for the beams, the category screening conditions comprise the size of the beams, the material of the beams and the connection of the beams in the horizontal direction.
Further, for the bearing platform class, adding EBS codes includes the following steps:
sequencing all bearing platforms according to the sequence from the small mileage to the large mileage;
and combining the mileage sequence of the bearing platforms to generate the EBS codes of the bearing platforms.
Further, the method further comprises the step of determining the pier number:
and determining the pier number corresponding to the bearing platform according to the EBS code of the bearing platform.
Further, for the stub base class, adding EBS coding includes the following steps:
acquiring a bearing platform corresponding to the pile foundation according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
and combining the pier number to generate EBS codes corresponding to each pile foundation under the bearing platform, so that the EBS codes of the pile foundations have characters for identifying the pier number.
Further, for pier body classes, adding EBS codes to each segment includes the following steps:
grouping all the sections according to the outer contour cross sections of the sections, and acquiring a bearing platform corresponding to each group according to the bridge model so as to determine pier numbers corresponding to the sections;
and generating the EBS codes of all the segments according to the sequence from bottom to top by combining the pier numbers, so that the EBS codes of the segments have characters for identifying the pier numbers.
Further, for the support rock class, adding EBS codes includes the following steps:
acquiring a bearing platform corresponding to the support base stone according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
combining the pier number to generate EBS codes of all the support cushion stones on the pier body in a left-to-right sequence, so that the EBS codes of all the support cushion stones have characters for identifying the pier number;
further, for the pedestal class, adding EBS coding includes the following steps:
acquiring a bearing platform corresponding to the support according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
and combining the pier number to generate the EBS codes of all the pedestals on the pier body in a left-to-right sequence, so that the EBS codes of all the pedestals have characters for identifying the pier number.
Further, for the beam class, adding the EBS code includes the following steps:
if the precast beam is the precast beam, sequencing all holes from a small mileage direction to a large mileage direction, and generating the EBS code of the precast beam by combining the mileage sequence of the holes;
if a plurality of precast beams are corresponding to the holes, sequencing all the holes from the small mileage to the large mileage, and generating EBS codes of the precast beams corresponding to the holes by combining the mileage sequence of the holes with the sequence from left to right;
and if the steel beams are the steel beams, sequentially generating the EBS codes of the steel beams from the main tower to two sides.
Compared with the prior art, the invention has the advantages that:
(1) according to the method, the screening conditions are added according to the geometric information and the non-geometric information, the bridge engineering components are classified, the IFD codes are added to the components of the same type, and meanwhile, the EBS codes are automatically added to the components of the same type in batches, so that the condition that errors occur when long codes are manually input one by one manually is avoided, and the coding efficiency and the coding accuracy are improved.
(2) The EBS coding standard does not reflect the bridge construction process, and in the process of realizing automatic coding, the method carries out segment grouping on partial bridge members according to the actual construction process of the project, thereby being more in line with the actual construction working condition and expanding the EBS coding standard.
Drawings
Fig. 1 is a flowchart of a bridge member classification encoding method based on BIM information according to an embodiment of the present invention.
FIG. 2 is a flowchart of screening out a platform class according to an embodiment of the present invention;
FIG. 3 is a flowchart of screening out a pile base class according to an embodiment of the present invention;
fig. 4 is a flowchart of screening out pier bodies according to the embodiment of the present invention;
fig. 5 is a schematic diagram of determining the pier number through the EBS coding of the platform according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
IFD standard: railroad engineering information model classification and coding standards;
EBS standard: the decomposition guide of the physical structure of railway engineering.
Referring to fig. 1, an embodiment of the present invention provides a bridge member classification encoding method based on BIM information, which includes the following steps:
s1: acquiring geometric information and non-geometric information of all members in the bridge model according to the BIM information of the bridge;
the bridge member mainly comprises a pier body, a pile foundation, a bearing platform, a bearing cushion stone, a bearing and a beam, wherein the pier body is constructed in sections in actual construction, so that the pier body consists of a plurality of sections;
s2: adding a category screening condition according to the geometric information and the non-geometric information of the components, and screening the components belonging to the same category from all the components;
by adding different category screening conditions, all the components can be divided into pier bodies, pile bases, bearing platforms, supporting seat stones, supports and beams.
Referring to fig. 2, for the bearing platform class, the category screening conditions include the volume of the bearing platform, the upper surface area of the bearing platform, and the material of the bearing platform; the method comprises the steps of firstly obtaining geometric information and non-geometric information of a component, then adding class screening conditions of a bearing platform class, judging the component, if the class screening conditions of the bearing platform class are met, screening and classifying the component into the bearing platform class, and if the class screening conditions of the bearing platform class are not met, adding other class screening conditions again, and continuously judging the component.
Referring to fig. 3, for a pile base class, the category screening conditions include pile foundation diameter, pile foundation volume, and pile foundation insertion depth; acquiring geometric information and non-geometric information of the component, adding a class screening condition of the pile base class, judging the component, if the class screening condition of the pile base class is met, screening and classifying the component into a pile foundation class, and if not, adding other class screening conditions again, and continuing judging the component.
For the pier body, the step S1 has already described, in the actual construction process, the pier body is constructed by segments from bottom to top, so that, for the pier body, all the segments are divided into two types, the first type is the segment directly intersecting with the bearing platform and is one, the second type is the segment sequentially arranged above the segment directly intersecting with the bearing platform and is a plurality of, therefore, for the pier body, the category screening conditions include a first screening condition and a second screening condition, wherein the first screening condition is used for screening the first type of segment, the second screening condition is used for screening the second type of segment, the first screening condition includes that the segment is above the bearing platform and the segment intersects with the bearing platform, and the second screening condition includes that the segment is above the bearing platform and the segment intersects with the segment in the vertical direction, The sections have the same outer contour section.
For pier bodies, the overall screening process is as follows: the first type of segment is screened out, and then a plurality of second type of segments corresponding to the first type of segment are screened out, so that the segments are grouped to form a complete pier body. Therefore, referring to fig. 4, the process of screening pier bodies is as follows: the method comprises the steps of firstly obtaining geometric information and non-geometric information of a component, then adding a first screening condition, judging the component, if the component is not met, ending, if the component is not met, continuously adding a second screening condition, screening a plurality of second type segments corresponding to the first type segments, dividing the second type segments into a group, and classifying the whole components into pier bodies.
For the support cushion stones, the category screening conditions comprise the size of the support cushion stone, the material of the support cushion stone, and the connection of the support cushion stone and the pier body;
for the support class, the classification screening conditions comprise support size, support material and connection between the support and a support cushion stone;
for the beams, the category screening conditions include the size of the beams, the material of the beams, and the beams connected in the horizontal direction.
S3: adding an IFD code to each component, wherein the IFD codes of the components belonging to the same category are the same;
s4: in all the categories, EBS codes are added to all sections of the members contained in a part of the categories, and EBS codes are added to all the members contained in the rest categories, wherein the EBS codes are different from each other.
Specifically, some of the above categories refer to pier bodies, and the remaining categories include pile bases, bearing platforms, support cushion stones, supports, and beams.
For the bearing platform class, adding EBS codes comprises the following steps:
s410: acquiring the mileage sequence of each bearing platform, and sequencing all the bearing platforms according to the sequence from the small mileage to the large mileage;
s411: and according to a railway engineering entity structure decomposition guide, combining the mileage sequence of the bearing platform to generate the EBS codes of the bearing platforms, so that the EBS codes of the bearing platforms have characters for identifying the mileage sequence of the bearing platforms.
The method also comprises the step of determining the pier number: in the EBS standard, the piers are the upper two-level structure of the platform, and the pier number corresponding to the platform is determined according to the EBS code of the platform, as shown in fig. 5.
For the stub base class, adding EBS coding includes the following steps:
s420: acquiring a bearing platform corresponding to the pile foundation according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
s421: and according to 'railway engineering entity structure decomposition guideline', combining the pier numbers to generate EBS codes corresponding to all pile foundations under the bearing platform, so that the EBS codes of the pile foundations have characters for identifying the pier numbers.
For pier bodies, adding EBS codes to each segment comprises the following steps:
s430: grouping all the sections according to the outer contour cross sections of the sections, and acquiring a bearing platform corresponding to each group according to the bridge model so as to determine pier numbers corresponding to the sections;
s431: according to the 'railway engineering physical structure decomposition guide', the EBS codes of all the segments are generated according to the pier numbers in the sequence from bottom to top, so that the EBS codes of the segments have characters for identifying the pier numbers.
For the support rock class, adding the EBS code comprises the following steps:
s440: acquiring a bearing platform corresponding to the support base stone according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
s441: according to 'railway engineering entity structure decomposition guide', combining pier numbers to follow the sequence from left to right to generate EBS codes of all the support base cushion stones on the pier body, so that the EBS codes of all the support base cushion stones have characters for identifying the pier numbers.
For the pedestal class, adding the EBS code comprises the following steps:
s450: acquiring a bearing platform corresponding to the support according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
s451: according to the 'railway engineering entity structure decomposition guide', combining pier numbers to follow the left to right sequence to generate EBS codes of all the supports on the pier body, so that the EBS codes of all the supports have characters for identifying the pier numbers.
For the beam class, adding the EBS code comprises the following steps:
if the precast beam is the precast beam, sequencing all holes from a small mileage direction to a large mileage direction, and generating the EBS code of the precast beam by combining the mileage sequence of the holes;
if a plurality of precast beams are corresponding to the holes, sequencing all the holes from the small mileage to the large mileage, and generating EBS codes of the precast beams corresponding to the holes by combining the mileage sequence of the holes with the sequence from left to right;
and if the steel beams are the steel beams, the EBS codes of the steel beams are sequentially generated from the main tower to two sides.
The principle of the invention is as follows: firstly, obtaining geometric information and non-geometric information of each component according to BIM information of a bridge, then selecting from the geometric information and the non-geometric information of the components to obtain screening conditions of components in different classes, classifying all the components into different classes by adding class screening conditions, and adding IFD codes to the components in different classes; finally, among these different classes of building blocks, EBS codes are automatically added in batches to building blocks belonging to the same class. Therefore, the conditions that long time consumption is easy to occur and errors are easy to occur when long coding parameters are manually input one by one are avoided, and the coding efficiency and the accuracy are improved.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A BIM information-based bridge member classification coding method is characterized by comprising the following steps:
acquiring geometric information and non-geometric information of all members in the bridge model according to the BIM information of the bridge;
adding a category screening condition according to the geometric information and the non-geometric information of the components, and screening the components belonging to the same category from all the components;
adding an IFD code to each component, wherein the IFD codes of the components belonging to the same category are the same;
in all the categories, EBS codes are added to all sections of the members contained in a part of the categories, and EBS codes are added to all the members contained in the rest categories, wherein the EBS codes are different from each other.
2. The method of claim 1, wherein: some of the categories are pier bodies, and the rest categories comprise pile bases, bearing platforms, supporting seat stones, supports and beams.
3. The method of claim 2, wherein:
for the pier body, the classification screening conditions comprise that the segments are positioned above the bearing platform, the segments are intersected with the bearing platform, the outer profile sections of the segments are the same, and the segments are intersected with the segments in the vertical direction;
for the pile base class, the category screening conditions comprise pile foundation diameter, pile foundation volume and pile foundation insertion depth;
for the bearing platform class, the class screening conditions comprise the volume of the bearing platform, the upper surface area of the bearing platform and the material of the bearing platform;
for the support cushion stones, the category screening conditions comprise the size of the support cushion stones, the material of the support cushion stones, and the connection of the support cushion stones and the pier body;
for the support class, the class screening conditions comprise support size, support material and connection between the support and a support cushion stone;
for the beams, the category screening conditions comprise the size of the beams, the material of the beams and the connection of the beams in the horizontal direction.
4. The method of claim 2, wherein adding EBS encoding for the cap class comprises the steps of:
sequencing all bearing platforms according to the sequence from the small mileage to the large mileage;
and combining the mileage sequence of the bearing platforms to generate the EBS codes of the bearing platforms.
5. The method of claim 4, further comprising the step of determining a pier number:
and determining the pier number corresponding to the bearing platform according to the EBS code of the bearing platform.
6. The method of claim 5, wherein: for the pile base class, adding EBS codes comprises the following steps:
acquiring a bearing platform corresponding to the pile foundation according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
and combining the pier number to generate EBS codes corresponding to each pile foundation under the bearing platform, so that the EBS codes of the pile foundations have characters for identifying the pier number.
7. The method of claim 5, wherein for pier classes, adding EBS coding to each segment comprises the steps of:
grouping all the sections according to the outer contour cross sections of the sections, and acquiring a bearing platform corresponding to each group according to the bridge model so as to determine pier numbers corresponding to the sections;
and generating the EBS codes of all the segments according to the sequence from bottom to top by combining the pier numbers, so that the EBS codes of the segments have characters for identifying the pier numbers.
8. The method of claim 5, wherein for a strut rock class, adding EBS coding comprises the steps of:
acquiring a bearing platform corresponding to the support base stone according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
and combining the pier number to follow the left-to-right sequence to generate the EBS code of each support cushion stone on the pier body, so that the EBS code of each support cushion stone has characters for identifying the pier number.
9. The method of claim 5, wherein for a pedestal class, adding EBS encoding comprises the steps of:
acquiring a bearing platform corresponding to the support according to the bridge model, and acquiring a pier number corresponding to the bearing platform;
and combining the pier number to generate the EBS codes of all the pedestals on the pier body in a left-to-right sequence, so that the EBS codes of all the pedestals have characters for identifying the pier number.
10. The method of claim 5, wherein for a beam class, adding EBS encoding comprises the steps of:
if the precast beam is the precast beam, sequencing all holes from a small mileage direction to a large mileage direction, and generating the EBS code of the precast beam by combining the mileage sequence of the holes;
if a plurality of precast beams are corresponding to the holes, sequencing all the holes from the small mileage to the large mileage, and generating EBS codes of the precast beams corresponding to the holes by combining the mileage sequence of the holes with the sequence from left to right;
and if the steel beams are the steel beams, sequentially generating the EBS codes of the steel beams from the main tower to two sides.
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| CN111581691A (en) * | 2020-04-02 | 2020-08-25 | 浙江慧远工程数据技术有限公司 | BIM model-based highway bridge EBS automatic coding method |
| CN113656869A (en) * | 2021-08-07 | 2021-11-16 | 中铁北京工程局集团有限公司 | Model automatic coding method, device, equipment and storage medium |
| CN113656869B (en) * | 2021-08-07 | 2022-04-01 | 中铁北京工程局集团有限公司 | Model automatic coding method, device, equipment and storage medium |
| CN115168978A (en) * | 2022-09-05 | 2022-10-11 | 中铁第五勘察设计院集团有限公司 | Bridge building information model data construction method |
| CN115880103A (en) * | 2023-02-21 | 2023-03-31 | 山东铁路投资控股集团有限公司 | Visual management method, device, equipment and medium for railway engineering progress |
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