CN112700146A - BIM model-based dynamic cost association method and system - Google Patents
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Abstract
The invention relates to the technical field of BIM building information model application, in particular to a dynamic cost correlation method and a system based on a BIM model, which comprises the steps of manufacturing the BIM model; leading the well-constructed BIM model into a BIM system platform and planning software; compiling a construction plan by using the planning software to obtain a construction plan file; importing the construction plan file into a BIM system platform and a technical software platform; compiling a contract budget file; importing a contract budget file into a BIM system platform and a technical software platform; in a BIM system platform and a technical software platform, the association of a BIM model with a construction task and a list sub item is realized; adding actual task completion time in a BIM system platform and a technical software platform, and displaying the construction progress of a BIM model; and automatically generating dynamic cost data in a BIM system platform and a technical software platform. The scheme greatly reduces the process workload, and various cost analysis reports can be obtained instantly after basic data work is done.
Description
Technical Field
The invention relates to the technical field of BIM building information model application, in particular to a dynamic cost association method and system based on a BIM model.
Background
The Building Information Model (BIM) is an information integration and management system based on a digital three-dimensional building model, and by utilizing the BIM technology, the standardization and refinement level of construction cost management can be improved, and the building energy consumption is reduced. Risks can be found and avoided in advance, lean management is achieved, efficiency is improved, and time and cost are saved.
The BIM model is used as a basis to simulate the 4D construction progress, the application is wide in the building industry, and the BIM system platform and the technical software platform are involved, and the 4D construction progress simulation needs to associate each construction node in the construction plan with a component in the BIM model corresponding to the construction plan. At present, the main operation methods relate to a BIM system platform and a technical software platform, and all the main operation methods are that after a light BIM model is opened in the BIM software platform and the system, a user screens the light BIM model according to conditions such as number, floor, component type and the like, and associates the light BIM model with a construction plan after manually selecting components in the model. When the components are manually selected in the BIM, the operation is complicated, errors are easy to occur, and the workload of the associated operation of the construction plan and the model components is increased to a certain extent.
The cost generation and the resource consumption mainly occur in the construction stage, the cost in the stage is controlled, and the profit is increased and the efficiency is improved in the building industry. At present, the existing cost calculation method generally derives the project quantity of each part by a calculation quantity model, and the calculation cost of the model project quantity is corresponding to the price of a list, so that the following problems exist: 1. the time, space and process dimension relation of the data related to the cost is difficult to establish, and the actual cost data cannot be efficiently analyzed; 2. the process workload is large, the short-period cost summary analysis is difficult, and the efficiency is low; 3. the granularity of the data of the computation model is rough, the dynamic maintenance of cost data is difficult to realize, and the accuracy is low.
Disclosure of Invention
The invention provides a dynamic cost correlation method and a dynamic cost correlation system based on a BIM (building information modeling) model, which solve the technical problems of large engineering quantity and low precision of the engineering quantity calculation cost of deriving partial project by an arithmetic quantity model.
The invention provides a dynamic cost association method based on a BIM model for solving the technical problems, which comprises the following steps:
step 1, manufacturing a BIM model;
step 2, importing the well-constructed BIM model into a BIM system platform and planning software;
step 3, compiling a construction plan by using the planning software to obtain a construction plan file;
step 4, importing the construction plan file into a BIM system platform and a technical software platform;
step 5, compiling a contract budget file;
step 6, importing the contract budget file into a BIM system platform and a technical software platform;
step 7, realizing the association of the BIM model with the construction task and the list subitems in the BIM system platform and the technical software platform;
step 8, adding actual task completion time in a BIM system platform and a technical software platform, and displaying the construction progress of the BIM model;
and 9, automatically generating dynamic cost data in the BIM system platform and the technical software platform.
Preferably, the step 1 specifically includes: based on a Revit BIM model, when the BIM model is constructed, a custom attribute identifier A related to a construction task is added in a component related to the construction task, and a custom attribute identifier B related to a corresponding sub item of a contract list is added in the component.
Preferably, the step 3 specifically includes: when a construction plan is compiled by planning software, a new column is added in a planning task, and a custom attribute identifier A of a component related to engineering construction corresponding to the planning task in a BIM model is filled in the new column.
Preferably, the step 5 specifically includes: when a contract budget file is compiled, a new column is added in the list sub-item, and the custom attribute identification B of the component related to the engineering construction corresponding to the sub-item in the BIM model is filled in the new column.
Preferably, the step 7 specifically includes: in a BIM system platform and a technical software platform, the automatic association of the construction plan and the list sub-items with BIM model components is realized through the automatic identification of the imported construction plan file, the imported contract budget file and the BIM model on the custom attribute identifier A and the custom attribute identifier B.
Preferably, the step 7 specifically includes: the automatic association process is to match the construction plan file and the budget file with the data in the BIM model component, circularly process the imported construction plan task in the BIM system platform and the technical software platform, and search the custom attribute identifier A of the component data in the BIM model component data imported into the BIM system platform and the technical software platform aiming at each custom attribute identifier A in the component custom attribute name data column newly added in the plan task; associating the member to the current circularly processed planning task as long as the custom attribute identifier A in the member data is consistent with the custom attribute identifier A in the planning task, and storing each planning task and the member data associated with the task by using an associated data table;
and if the planning task corresponds to various different components in the BIM model, filling the custom attribute identifiers A of the various components in the BIM model into a new column of the construction plan in a symbol separation mode.
Preferably, the step 7 specifically includes: circularly processing the list sub-item of the imported budget file, and searching the mark B of the custom attribute in the component data of the BIM model imported to the BIM system platform and the technical software platform aiming at each custom attribute mark B in the component custom attribute name data column newly added in the list sub-item; and as long as the custom attribute identifier B in the building block data is consistent with the custom attribute identifier B in the list sub-item, associating the building block to the list sub-item processed in the current cycle, and using an association data table to store the building block data associated with each list sub-item and sub-item.
Preferably, the step 5 specifically includes: if the list sub-item corresponds to a plurality of different building blocks in the BIM model, the custom attribute identifications B of the plurality of building blocks in the BIM model are filled in a new column of the list sub-item in symbol separation mode.
Preferably, the step 2 specifically includes: the BIM model file adopts a component table to specially store component data in the BIM model, two data columns are used for respectively storing a custom attribute identifier A and a custom attribute identifier B of a component in the component table, and the BIM model with the component attribute identifiers is imported into a BIM system platform by developing plug-ins in Revit software.
The invention also provides a dynamic cost association system based on the BIM model, and the dynamic cost association based on the BIM model is applied to the dynamic cost association method based on the BIM model.
Has the advantages that: the invention provides a dynamic cost correlation method and a system based on a BIM model, comprising the steps of manufacturing the BIM model; leading the well-constructed BIM model into a BIM system platform and planning software; compiling a construction plan by using the planning software to obtain a construction plan file; importing the construction plan file into a BIM system platform and a technical software platform; compiling a contract budget file; importing a contract budget file into a BIM system platform and a technical software platform; in a BIM system platform and a technical software platform, the association of a BIM model with a construction task and a list sub item is realized; adding actual task completion time in a BIM system platform and a technical software platform, and displaying the construction progress of a BIM model; and automatically generating dynamic cost data in a BIM system platform and a technical software platform. The scheme greatly reduces the process workload, and various cost analysis reports can be obtained instantly after basic data work is done. An actual cost BIM model is established, and the model is adjusted and maintained periodically (in months and seasons), so that the statistical analysis work is easy, and the strong statistical analysis capability of software can easily meet various cost analysis requirements.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a BIM-model-based dynamic cost association method and system according to the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the present invention provides a dynamic cost association method based on a BIM model, which includes the following steps:
step 1, manufacturing a BIM model;
step 2, importing the well-constructed BIM model into a BIM system platform and planning software;
step 3, compiling a construction plan by using the planning software to obtain a construction plan file;
step 4, importing the construction plan file into a BIM system platform and a technical software platform;
step 5, compiling a contract budget file;
step 6, importing the contract budget file into a BIM system platform and a technical software platform;
step 7, realizing the association of the BIM model with the construction task and the list subitems in the BIM system platform and the technical software platform;
step 8, adding actual task completion time in a BIM system platform and a technical software platform, and displaying the construction progress of the BIM model;
and 9, automatically generating dynamic cost data in the BIM system platform and the technical software platform.
In a specific implementation scenario, the specific workflow is as follows:
step 1: based on a Revit BIM model, when the BIM model is constructed, a custom attribute identifier A related to a construction task is added in a component related to the construction task, and a custom attribute identifier B related to a corresponding sub item of a contract list is added in the component.
In the step 1, when the BIM model is manufactured, two custom attribute identifiers A and B are added below the identifier data of the component, keywords related to the construction plan are filled in the identifier A, and keywords related to the list sub-item are filled in the identifier B.
Step 2: and importing the well-constructed BIM into a BIM system platform and software.
In the step 2, the BIM model is imported into a BIM system platform and software by developing a plug-in Revit software.
In the step 2, the BIM model file adopts a component table to specially store component data in the BIM model, two data columns are used for respectively storing the custom attribute identification A and the custom attribute B of the component in the component table, and the BIM model with the component attribute identification is imported into a BIM system platform and software by developing a plug-in Revit software.
And step 3: when a construction plan is compiled by planning software, a new column is added in a planning task, and a custom attribute identifier A of a component related to engineering construction corresponding to the planning task in a BIM model is filled in the new column.
In the step 3, the planning software adopts Project software of microsoft corporation in usa, and the added new column is in a text form. And if the planning task corresponds to various different components in the BIM model, filling the custom attribute identifiers A of the various components in the BIM model into a new column of the construction plan in a symbol separation mode.
And 4, step 4: and importing the well-established construction plan file into a BIM system platform and a technical software platform through an importing function.
In the step 4, a construction plan table is used to store the imported construction plan data.
And 5: when a contract budget file is compiled, a new column is added in the list sub-item, and the custom attribute identification B of the component related to the engineering construction corresponding to the sub-item in the BIM model is filled in the new column.
In said step 5, if the list sub-item corresponds to a plurality of different components in the BIM model, the custom attribute identifier B of the plurality of components in the BIM model is written into the new column of the list sub-item with symbol separation.
Step 6: and importing the compiled contract budget file into a BIM system platform and a technical software platform through an importing function.
In the step 6, a list sub-item table is adopted to store the sub-item data of the import list.
And 7: in a BIM system platform and a technical software platform, the BIM system platform and the technical software platform realize the automatic association of the construction plan and the list sub items with the BIM model components through the automatic identification of the imported construction plan file, the contract budget file and the BIM model at the identification A, B.
In the step 7, the automatic association process is to match the construction plan file and the budget file with the data in the BIM model component. In a BIM system platform and software, circularly processing a planning task of the imported construction plan, and searching the identifier A of the custom attribute added in the step 1 in the component data of the BIM model imported to the BIM system platform and the software aiming at each custom attribute identifier A in a component custom attribute name data column newly added in the planning task; and associating the component to the planning task processed in the current cycle as long as the custom attribute identifier A in the component data is consistent with the custom attribute identifier A in the planning task, and storing the component data associated with each planning task and task by using an association data table.
Similarly, in step 7, in the BIM system platform and software, the list sub-item of the imported budget file is circularly processed, and for each custom attribute identifier B in the component custom attribute name data column newly added in the list sub-item, the identifier B of the custom attribute added in step 1 is searched for in the component data of the BIM model imported to the BIM system platform and software; and as long as the custom attribute identifier B in the building block data is consistent with the custom attribute identifier B in the list sub-item, associating the building block to the list sub-item processed in the current cycle, and using an association data table to store the building block data associated with each list sub-item and sub-item.
And 8: in a software platform related to the BIM technology, according to the correlation between a construction plan and a BIM model component, the actual completion time of field construction and the completion time of the construction plan are set, and the actual and planned dynamic engineering quantities are presented in sequence for progress display.
And (3) displaying progress: through the processes of the steps 1-4 and 7, the engineering construction plan and the BIM model are quickly associated, and in the scheme, the time parameter is added, so that the simulation of the construction progress after association can be realized. The specific process is as follows: setting the starting time and the finishing time of each construction task according to a construction plan or the actual site, and displaying the BIM model by using a BIM system platform and software: from the first start day of the construction plan, all model components are hidden by default; and sequentially displaying and presenting the BIM model components associated with each planned task according to the system playing time, thereby realizing the 4D display function of the 3D model and the time schedule.
And step 9: and finally obtaining actual and planned dynamic costs according to the association between the list sub-items and the BIM model component and the presented actual and planned dynamic engineering quantities in a software platform related to the BIM technology, so as to realize dynamic cost data management.
And (3) dynamic cost display: through the processes of the steps 1-2 and 5-7, the budget file list sub items and the BIM model are quickly associated, the simulation of the construction progress engineering quantity of the BIM model is already realized in the step 8, and the construction progress simulation with the dynamic cost data is realized after the time parameter is added. The specific process is as follows: setting the starting time and the finishing time of each construction task according to a construction plan or the actual site, and displaying the BIM model by using a BIM system platform and software: from the first start day of the construction plan, all model components are hidden by default; and sequentially displaying and presenting the BIM model components associated with each planned task according to the system playing time, and synchronously presenting the list sub-item data associated with the presented BIM model, thereby realizing the 5D display function of adding the time schedule and the cost of the 3D model.
Through the dynamic cost control method based on the BIM, the process workload is greatly reduced, and various cost analysis reports can be obtained instantly after basic data work is done. An actual cost BIM model is established, and the model is adjusted and maintained periodically (in months and seasons), so that the statistical analysis work is easy, and the strong statistical analysis capability of software can easily meet various cost analysis requirements.
Compared with the traditional method, the BIM-based actual cost accounting method has the following great advantages:
the method is rapid, and due to the fact that the BIM-based 5D actual cost database is established, the summarizing and analyzing capacity is greatly enhanced, the speed is high, short-period cost analysis is not difficult any more, the workload is small, and the efficiency is high.
The method is accurate, the data granularity can be mastered to a component level, and the accuracy is greatly improved compared with that of the traditional method. Due to the dynamic maintenance of the cost data, the accuracy is greatly improved. The consumption still has errors, but the analysis requirement can be met. Accumulated errors are eliminated through a total quantity statistical method, and the accuracy of the cost data is higher and higher along with the progress. In addition, through the actual cost BIM model, which items do not have actual cost data can be easily checked, real-time checking of each cost line is supervised, and actual data are provided.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A dynamic cost correlation method based on a BIM model is characterized by comprising the following steps:
step 1, manufacturing a BIM model;
step 2, importing the well-constructed BIM model into a BIM system platform and planning software;
step 3, compiling a construction plan by using the planning software to obtain a construction plan file;
step 4, importing the construction plan file into a BIM system platform and a technical software platform;
step 5, compiling a contract budget file;
step 6, importing the contract budget file into a BIM system platform and a technical software platform;
step 7, realizing the association of the BIM model with the construction task and the list subitems in the BIM system platform and the technical software platform;
step 8, adding actual task completion time in a BIM system platform and a technical software platform, and displaying the construction progress of the BIM model;
and 9, automatically generating dynamic cost data in the BIM system platform and the technical software platform.
2. The BIM model-based dynamic cost association method according to claim 1, wherein the step 1 specifically comprises: based on a Revit BIM model, when the BIM model is constructed, a custom attribute identifier A related to a construction task is added in a component related to the construction task, and a custom attribute identifier B related to a corresponding sub item of a contract list is added in the component.
3. The BIM model-based dynamic cost association method according to claim 2, wherein the step 3 specifically comprises: when a construction plan is compiled by planning software, a new column is added in a planning task, and a custom attribute identifier A of a component related to engineering construction corresponding to the planning task in a BIM model is filled in the new column.
4. The BIM model-based dynamic cost association method according to claim 3, wherein the step 5 specifically comprises: when a contract budget file is compiled, a new column is added in the list sub-item, and the custom attribute identification B of the component related to the engineering construction corresponding to the sub-item in the BIM model is filled in the new column.
5. The BIM model-based dynamic cost association method according to claim 4, wherein the step 7 specifically comprises: in a BIM system platform and a technical software platform, the automatic association of the construction plan and the list sub-items with BIM model components is realized through the automatic identification of the imported construction plan file, the imported contract budget file and the BIM model on the custom attribute identifier A and the custom attribute identifier B.
6. The BIM model-based dynamic cost association method according to claim 5, wherein the step 7 specifically comprises: the automatic association process is to match the construction plan file and the budget file with the data in the BIM model component, circularly process the imported construction plan task in the BIM system platform and the technical software platform, and search the custom attribute identifier A of the component data in the BIM model component data imported into the BIM system platform and the technical software platform aiming at each custom attribute identifier A in the component custom attribute name data column newly added in the plan task; associating the member to the current circularly processed planning task as long as the custom attribute identifier A in the member data is consistent with the custom attribute identifier A in the planning task, and storing each planning task and the member data associated with the task by using an associated data table;
and if the planning task corresponds to various different components in the BIM model, filling the custom attribute identifiers A of the various components in the BIM model into a new column of the construction plan in a symbol separation mode.
7. The BIM model-based dynamic cost association method according to claim 6, wherein the step 7 specifically comprises: circularly processing the list sub-item of the imported budget file, and searching the mark B of the custom attribute in the component data of the BIM model imported to the BIM system platform and the technical software platform aiming at each custom attribute mark B in the component custom attribute name data column newly added in the list sub-item; and as long as the custom attribute identifier B in the building block data is consistent with the custom attribute identifier B in the list sub-item, associating the building block to the list sub-item processed in the current cycle, and using an association data table to store the building block data associated with each list sub-item and sub-item.
8. The BIM model-based dynamic cost association method according to claim 3, wherein the step 5 specifically comprises: if the list sub-item corresponds to a plurality of different building blocks in the BIM model, the custom attribute identifications B of the plurality of building blocks in the BIM model are filled in a new column of the list sub-item in symbol separation mode.
9. The BIM model-based dynamic cost association method according to claim 1, wherein the step 2 specifically comprises: the BIM model file adopts a component table to specially store component data in the BIM model, two data columns are used for respectively storing a custom attribute identifier A and a custom attribute identifier B of a component in the component table, and the BIM model with the component attribute identifiers is imported into a BIM system platform by developing plug-ins in Revit software.
10. A dynamic cost correlation system based on a BIM model, wherein the dynamic cost correlation based on the BIM model is applied to the dynamic cost correlation method based on the BIM model according to any one of claims 1 to 9.
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| CN114444175A (en) * | 2021-12-31 | 2022-05-06 | 中国有色金属工业第六冶金建设有限公司 | BIM-based construction simulation method |
| CN118820563A (en) * | 2024-09-18 | 2024-10-22 | 中交一航局安装工程有限公司 | Digital archive management method and system for engineering projects based on BIM |
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| CN110599072A (en) * | 2019-10-10 | 2019-12-20 | 贵州百胜工程建设咨询有限公司 | BIM-based investment cost control method |
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| CN108228997A (en) * | 2017-12-28 | 2018-06-29 | 广州建软科技股份有限公司 | A kind of construction management plateform system |
| CN110119565A (en) * | 2019-05-08 | 2019-08-13 | 中铁八局集团建筑工程有限公司 | A method of quick association and displaying based on BIM model and project programme |
| CN110599072A (en) * | 2019-10-10 | 2019-12-20 | 贵州百胜工程建设咨询有限公司 | BIM-based investment cost control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114444175A (en) * | 2021-12-31 | 2022-05-06 | 中国有色金属工业第六冶金建设有限公司 | BIM-based construction simulation method |
| CN118820563A (en) * | 2024-09-18 | 2024-10-22 | 中交一航局安装工程有限公司 | Digital archive management method and system for engineering projects based on BIM |
| CN118820563B (en) * | 2024-09-18 | 2025-01-07 | 中交一航局安装工程有限公司 | Engineering project digital archive management method and system based on BIM |
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