CN109472446B - BIM model-based engineering budget estimate planning method - Google Patents
BIM model-based engineering budget estimate planning method Download PDFInfo
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- CN109472446B CN109472446B CN201811153995.XA CN201811153995A CN109472446B CN 109472446 B CN109472446 B CN 109472446B CN 201811153995 A CN201811153995 A CN 201811153995A CN 109472446 B CN109472446 B CN 109472446B
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Abstract
The invention relates to a project budget estimate compiling method based on a BIM model, which comprises the steps of establishing a mapping relation of nodes of a structure tree and components in one-to-one correspondence, utilizing the nodes to quickly find the quantity and the budget estimate information of each project under the nodes or the components, and quickly realizing project quantity statistics and budget estimate compiling by establishing a project budget estimate database separated from the model. According to the invention, the LID coding attribute is added to the component, the BIM model is separated from the project budget estimate database, and the LID is used for associating the nodes with the component, so that the one-to-one corresponding relation of each node and the component is established.
Description
Technical Field
The invention relates to the technical field of building and traffic engineering, in particular to a BIM model-based engineering budget estimate planning method.
Background
The BIM technology is rapidly developed in the fields of building and traffic engineering, a computer informatization technology represented by the BIM technology becomes a research and development direction in the building engineering, and a 2016-2020 outline of informatization development of building industry indicates that the latest information technology taking the BIM as a core becomes a core technology for supporting the technology upgrade of the industry, the change of a production mode and the innovation of a management mode. The integrated application of BIM, an enterprise management system and other information technologies is required to be mastered and realized by design units and construction enterprises.
The engineering quantity expression and the budget estimate planning based on the BIM model in the BIM technical application are difficult because different design stages have different requirements on the modeling precision of the BIM model, some quantities cannot be calculated from the model, some quantities cannot find corresponding entity components, and all engineering quantities and budget estimate information cannot be expressed in the BIM model.
Disclosure of Invention
The invention aims to provide a BIM-model-based project budget estimate planning method, which can realize project quantity expression and budget estimate planning based on a BIM model and lay a foundation for realizing construction cost control based on a component level.
The technical scheme adopted by the invention is as follows:
the project budget estimate planning method based on the BIM model is characterized in that:
the method is realized by the following steps:
and establishing a mapping relation of the nodes of the structure tree and the members in one-to-one correspondence, quickly finding the quantity and the budget estimate information of each project under the nodes or the members by using the nodes, and quickly realizing project quantity counting and budget estimate planning by establishing a project budget estimate database separated from the model.
The method specifically comprises the following steps:
1) arranging a component structure tree of the design unit, wherein each component or node corresponds to a unique LID code with a hierarchical concept;
2) when generating the BIM model, adding corresponding LID codes in the form of attributes on each component or node;
3) arranging all the project quantity items in the design unit, and adding necessary budget estimate information in each project quantity item;
4) IFD coding is carried out on the necessary information of the budget estimate of the quantity items of the engineering, and one or more corresponding quota(s) are searched in a quota library according to the necessary information of the budget estimate of each quantity item of the engineering;
5) storing the quantity items of each project under each node or component in a budget estimate database in a record form by taking the LID code as a unique key word;
6) and processing the quantity and quota of each record in the stored budget estimate database to generate the cost of the quantity, counting and summarizing the cost according to rules, and generating the budget estimate table of the design unit.
In step 2), the LID code is expressed in text form.
In the step 3), the budget estimate necessary information comprises construction process, equipment and method.
In step 5), one record form includes the IFD code and the quota code.
The invention has the following advantages:
1. the method is simple and convenient, the LID code with the layered structure is compiled according to professional habits, and the LID code is used as an attribute addition when the BIM model is generated;
2. according to LID coding, a one-to-one corresponding relation between the nodes of the structural tree of the design unit and the members is established, so that the members and the project budget estimate information under the members are conveniently searched, and professional habits are better met;
3. the model and the project budget estimate database are separated, so that the project database is easier to expand and manage, and the efficiency is higher.
According to the invention, the LID coding attribute is added to the component, the BIM model is separated from the project budget estimate database, and the LID is used for associating the nodes with the component, so that the one-to-one corresponding relation of each node and the component is established.
Drawings
FIG. 1 is a schematic view of a structure tree of a bridge;
FIG. 2 is a schematic diagram of a bridge abutment structure after adding codes;
FIG. 3 is a diagram illustrating the engineering budget estimate information under the platform.
Fig. 4 is a table of the estimated amount of the portion of the railroad bridge.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to a BIM model-based engineering budget estimate planning method, which mainly comprises the following steps:
1) firstly, on the basis of a professional design unit, all directory nodes and components in the design unit are sorted, and a directory structure tree of the bridge is created. As the design unit definition of the bridge: a relatively independent and complete engineering unit in a bridge specialty, such as a bridge, a culvert, etc., is divided into different design units when spanning different approximate calculation paragraphs.
Such as the XXX grand bridge, a complete directory structure tree of the bridge is built, which refers to a multi-level tree structure starting from the root directory of the design units and ending with the minimal building block unit. As shown in fig. 1.
2) Each node or component in the directory structure tree is subjected to LID coding, the node and the component are required to be coded uniquely, the LID coding is a Locational Identification for dictionary-locatable identity coding dictionary, can be in a digital coding form and can also be expressed by characters, and the digital form is recommended for facilitating computer reading, such as 0# table LID-20-100001, as shown in figure 2;
3) arranging all the project quantity items in the design unit, and adding necessary information related to the budget estimate, such as information of construction processes, equipment, methods and the like, in each project quantity item;
4) IFD coding is carried out on each attribute of the quantity items including construction processes, equipment and the like, and one or more corresponding quota(s) are searched in a quota library according to the attribute of each quantity item of the engineering, for example, the engineering budget estimate information under a bearing platform is shown in figure 3;
5) storing the quantity of each project under each node or component in a budget estimate database in the form of a record (IFD code and rating code) by taking an LID code as a unique key;
6) processing the quantity and quota of each record in the storage database according to the budget estimate setting rule to generate the cost of the quantity, counting and summarizing the cost of each item according to the rule, and generating the budget estimate table of the design unit, as shown in fig. 4.
The BIM model-based project budget estimate compilation method provided by the invention is in line with professional habits, can create the one-to-one mapping relation between the nodes of the structure tree and the members, can quickly find the quantity and the budget estimate information of each project under the nodes or the members by utilizing the nodes, can quickly realize project quantity expression and budget estimate compilation based on the BIM model by creating the project budget estimate database separated from the model, and lays a foundation for realizing construction cost control based on the member level.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (4)
1. The project budget estimate planning method based on the BIM model is characterized in that:
the method is realized by the following steps:
establishing a mapping relation of the nodes of the structure tree and the members in one-to-one correspondence, quickly finding the quantity and the budget estimate information of each project under the nodes or the members by using the nodes, and quickly realizing project quantity counting and budget estimate planning by establishing a project budget estimate database separated from a model;
the method specifically comprises the following steps:
1) arranging a component structure tree of the design unit, wherein each component or node corresponds to a unique LID code with a hierarchical concept;
2) when generating the BIM model, adding corresponding LID codes in the form of attributes on each component or node;
3) arranging all the project quantity items in the design unit, and adding necessary budget estimate information in each project quantity item;
4) IFD coding is carried out on the necessary information of the budget estimate of the quantity items of the engineering, and one or more corresponding quota(s) are searched in a quota library according to the necessary information of the budget estimate of each quantity item of the engineering;
5) storing the quantity items of each project under each node or component in a budget estimate database in a record form by taking the LID code as a unique key word;
6) and processing the quantity and quota of each record in the stored budget estimate database to generate the cost of the quantity, counting and summarizing the cost according to rules, and generating the budget estimate table of the design unit.
2. The BIM model-based engineering budgeting method according to claim 1, wherein:
in step 2), the LID code is expressed in text form.
3. The BIM model-based engineering budgeting method according to claim 2, wherein:
in the step 3), the budget estimate necessary information comprises construction process, equipment and method.
4. The BIM model-based engineering budgeting method according to claim 3, wherein:
in step 5), one record form includes the IFD code and the quota code.
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| CN111539192B (en) * | 2020-04-10 | 2023-11-21 | 广州地铁设计研究院股份有限公司 | Project budget summary method and device |
| CN111898354B (en) * | 2020-06-29 | 2023-10-31 | 中铁第一勘察设计院集团有限公司 | Method and device for programming budget estimate file of railway engineering and electronic equipment |
| CN111950903B (en) * | 2020-08-12 | 2023-04-07 | 中铁二院工程集团有限责任公司 | Method and device for generating railway engineering quota and engineering quantity based on template |
| CN112395108A (en) * | 2020-11-19 | 2021-02-23 | 中冶京诚工程技术有限公司 | Calling method and device of BIM (building information modeling) element model |
| CN113010938A (en) * | 2021-02-24 | 2021-06-22 | 万翼科技有限公司 | Method for calculating steel bar consumption of solid component and related device |
| CN113902479A (en) * | 2021-10-12 | 2022-01-07 | 广东省电信规划设计院有限公司 | Method and device for processing communication engineering budget estimate |
| CN116797105B (en) * | 2023-08-22 | 2023-10-24 | 中建西南咨询顾问有限公司 | Price index statistical method and system based on engineering standardized coding |
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