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BIM model-based project budgeting method

A technology of budget estimation and engineering, which is applied in the field of engineering budget estimation based on BIM model, can solve the problems of inability to find physical components, inability to express project quantity and estimated budget information, and calculation, so as to achieve convenient reading and identification, and easy Expansion management, high efficiency effect

Active Publication Date: 2022-03-04
CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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Problems solved by technology

[0003] In the application of BIM technology, the expression of project quantity and budget estimation based on BIM model is a difficult point, because different design stages have different requirements for the modeling accuracy of BIM model, some quantities cannot be calculated from the model, and some quantities cannot be found corresponding Physical components, all engineering quantity and estimated budget information cannot be expressed in the BIM model

Method used

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  • BIM model-based project budgeting method

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Embodiment approach

[0029] The present invention relates to an engineering budget preparation method based on a BIM model, and the main implementation methods are as follows:

[0030] 1) First, based on the professional design unit, all directory nodes and components within the design unit are organized, and the directory tree of the bridge is created. Such as the bridge design unit definition: a relatively independent engineering unit within the bridge, such as a bridge, a culvert, etc., it must be divided into different design units when crossing different budget paragraphs.

[0031] For example, a full bridge is established, and a directory tree of the bridge is established. Such as figure 1 Indicated.

[0032] 2) LID coding, node and component requirements for each node or component in the directory tree, node, and component requirements encoding unique, LID encoding: Locational Identification for Dictionaries - can be locate the identity code dictionary, digital coding form, or text representati...

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Abstract

The invention relates to a BIM model-based engineering budget estimation method, which creates a one-to-one mapping relationship between structure tree nodes and components, uses nodes to quickly find the quantity and estimated budget information of each project under the node or component, and creates a method that is separated from the model The project budget estimate database can quickly realize project quantity statistics and budget estimate preparation. The invention separates the BIM model from the project budget database by adding LID coding attributes to the components, and uses LID to associate nodes with components, thereby creating a one-to-one correspondence between each node and component. The coding structure is simple, and it is convenient to find and locate components And all project budget information under the component, using IFD code, it is convenient for computer to read and identify, and the efficiency is higher.

Description

Technical field [0001] The present invention relates to the field of construction and transportation engineering, and in particular, an engineering budget preparation method based on a BIM model. Background technique [0002] BIM technology has developed rapidly in construction and transportation engineering. Computer information technology represented by BIM technology has become a research and development direction in construction project. The "2016-2020 Construction Industry Information Development Outline" points out the latest information based on BIM Technology, becoming a core technique for supporting technology upgrading, production methods, management model innovation. Designing design units, construction enterprises should master and implement integration of BIM and enterprise management systems and other information technology. [0003] Based on the BIM technology application based on BIM model is a difficult point, because different design stages are different from th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/08
CPCG06Q10/0631G06Q50/08
Inventor 刘彦明
Owner CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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