CN116151518A - Method for realizing component engineering quantity calculation based on parameterized BIM model - Google Patents
Method for realizing component engineering quantity calculation based on parameterized BIM model Download PDFInfo
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Abstract
The invention discloses a method for realizing component engineering quantity calculation based on a parameterized BIM model, which is used for establishing a parameterized component library set based on a highway general graph; the model library is responsible for processing the modeling and assembly of the components, the calculation library is responsible for defining the materials of the components and configuring the calculation formula, and the parameters of the model library and the calculation formula can be transmitted in a sharing way; by introducing project structure parameters to drive parameterized BIM model establishment, component engineering quantity is calculated at the same time, accurate engineering quantity data is provided for project construction preparation stage, and related applications such as engineering quantity standing book establishment, planning progress, material management and the like are supported.
Description
Technical Field
The invention relates to a method for realizing component engineering quantity calculation based on a parameterized BIM model, and belongs to the technical field of BIM.
Background
At present, the engineering quantity calculation technology in the highway field mainly comprises two methods of calculation quantity software calculation and off-line manual calculation. The intelligent highway engineering construction method mainly has the problems of low efficiency, non-uniform standard, easy occurrence of errors, leakage, deficiency and the like, promotes the high-quality development of intelligent highways in response to digital transformation, introduces BIM technology into a large number of newly built highway projects in the early stage of the projects, establishes a BIM model, but does not realize component engineering quantity calculation based on the parameterized BIM model, and causes information island and resource waste.
Disclosure of Invention
Aiming at the defects of the calculation efficiency and standardization of the engineering quantity of the highway project and without deep fusion with the BIM technology, the invention provides a method for realizing the calculation of the engineering quantity of a component based on a parameterized BIM model, which realizes the calculation of the engineering quantity based on the BIM by establishing the parameterized BIM model in the project construction period.
In order to solve the technical problems, the invention provides a method for realizing component engineering quantity calculation based on a parameterized BIM model, which comprises the following steps:
the technology (working principle) of the invention is as follows:
by establishing a component library set which comprises a model library and a calculation library and by introducing project structure parameters, driving the parameterized BIM model to be established, calculating the engineering quantity of the component, providing accurate engineering quantity rechecking data for project construction preparation stage, and supporting related applications such as engineering quantity ledger establishment, planning progress, material management and the like.
The invention has the following advantages:
1) The component library set comprises a model library and a calculation library, parameters can be transmitted in a sharing way, the time cost for creating the component library is reduced, the data consistency is ensured, and the data maintenance is convenient;
2) According to highway engineering characteristics and project characteristics, a general assembly library and a project assembly library are established, rapid configuration of projects is realized, and project instantiation configuration time is shortened;
3) And the engineering quantity calculation is realized based on the BIM model, necessary engineering quantity information is provided for project construction management, and the current industrial situations such as resource waste caused by information island are avoided.
Drawings
FIG. 1 is a flow chart of the method for calculating the engineering quantity of the component based on the parameterized BIM model.
FIG. 2 is an example illustration of the method of the present invention for implementing component engineering calculations based on a parameterized BIM model.
Detailed Description
The following detailed description of the invention is further provided in terms of techniques or products not identified in the examples, which are conventional or commercially available.
As shown in fig. 2, the present invention provides a method for calculating a component engineering amount based on a parameterized BIM model:
1) Providing advanced modeling functions such as stretching, rotation, boolean and the like through a geometric modeling library, realizing modeling of components such as a pile foundation model and generating model components;
2) Adding parallel and equal constraint relations between different model components through two three-dimensional constraint solvers to form an assembly model, wherein the assembly model comprises the following components: assembling model components such as pile foundations, pier columns, capping beams and the like to form a double-column pier assembling model;
3) Establishing parameter constraint labels, and constraining parameters of the component model and the assembly model, such as: radius and length constraints are added to pile foundation components, distance constraints are added among a plurality of pile foundation components, and finally model component driving and assembly model parameter through constraint tags is realized;
4) Based on a construction drawing, a formula library is established to define a calculation item, materials such as steel bars and concrete are defined, a calculation formula is configured, and variables such as length and quantity of the steel bars are associated through parameter label setting;
5) Combining a plurality of formula libraries by taking engineering components as units to form a calculation library;
6) Establishing a component library set to integrate the model library and the calculation library, wherein parameters such as pile foundation length and the like added between the model library and the calculation library can be transmitted in a sharing way;
7) Introducing parameters of structures such as bridges, tunnels and the like in a highway project construction drawing, such as pile foundation diameter, pier column length and the like, and driving a component library set through parameters, wherein a model library is driven by the parameters to generate a BIM model, and a calculation library is driven by the parameters to calculate the engineering quantity;
8) Aiming at the special-shaped structure which is difficult to calculate by a calculation formula, the engineering quantity can be directly calculated by a BIM model;
9) And calculating the engineering quantity of the component while creating the project parameterized BIM model, providing accurate engineering quantity rechecking data for project construction preparation stage, supporting relevant applications such as engineering quantity ledger establishment, planning progress, material management and the like.
While the present invention has been described with reference to the embodiments, the scope of the invention is not limited to the above-described embodiments, and various changes and modifications can be made within the spirit and principles of the invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. A method for realizing component engineering quantity calculation based on a parameterized BIM model is characterized by comprising the following steps:
the parameter sharing transmission is established, the parameterized component library set comprises a model library and a calculation library, the parameterized BIM model is driven to be established by introducing project structure parameters, and meanwhile, the component engineering quantity is calculated, so that accurate rechecking engineering quantity data is provided for projects.
2. The method for realizing component engineering quantity calculation based on the parameterized BIM model according to claim 1, wherein the method comprises the following steps:
1) Realizing component modeling through a geometric modeling library, realizing component assembly through a two-dimensional and three-dimensional constraint solver, and adding parameter labels to constraints to form a model library driven by parameters;
2) The method comprises the steps of defining materials and configuring a calculation formula for calculation items such as concrete, steel bars and the like, and adding parameter labels to variables to form a formula library;
3) Establishing a calculation library by taking an engineering component as a unit, and combining a plurality of formula libraries to form a calculation library driven by parameters;
4) Establishing a component library set to integrate the model library and the calculation library, wherein parameters between the model library and the calculation library can be transmitted in a sharing way;
5) And driving the component library set to form a parameterized BIM model by introducing project bridge, tunnel and other structural parameters, and simultaneously calculating the engineering quantity of the components to provide accurate engineering quantity rechecking data for the project.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117271859A (en) * | 2023-11-22 | 2023-12-22 | 中国建筑西南设计研究院有限公司 | Method, device and equipment for rapidly generating landscape engineering parameter information |
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- 2023-03-02 CN CN202310189523.4A patent/CN116151518A/en active Pending
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| CN111274632A (en) * | 2020-01-17 | 2020-06-12 | 昆明安泰得软件股份有限公司 | Construction method of BIM (building information modeling) parameterized modeling platform for highway engineering |
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