CN111651818A - BIM model rapid change method - Google Patents
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Abstract
The invention provides a BIM (building information modeling) model rapid changing method, which comprises the following steps: decomposing the BIM into a work package, reading model primitive entity information in the work package, and acquiring material and geometric attributes; generating a project amount list according to the project amount calculation rule; the engineering quantity calculation rule comprises definitions of statistical units, statistical algorithms and data types; and on the basis of the project amount list, working time is calculated according to defined labor quota, logic constraint relation among processes and constraint conditions of total resources, and a progress plan is established. The invention can directly obtain the changes of the engineering quantity, the cost, the progress and the like generated by the change while reflecting the change content on the model.
Description
Technical Field
The invention belongs to the technical field of three-dimensional modeling of transformer substations, and particularly relates to a BIM (building information modeling) model rapid changing method.
Background
In recent years, with the rapid development of housing and foundation buildings in China, the engineering construction requires a green, energy-saving, efficient and sustainable development road from the planning construction period. By means of the information technology as a tool, the construction enterprise self-information construction and fine management are realized, the project management level is improved, and the improvement of the project management efficiency is always the focus and the target of attention of construction enterprises. However, in this heat tide, as the application of information technology is deepened, the application depth of technology is also strengthened. The requirements of high-integration platform-level applications such as comprehensive planning, top-level design, project information processing, project centralized management, cooperative work, data summary analysis and the like are more and more strong, and finally powerful support is provided for realizing intelligent construction. Building Information Modeling (BIM) technology is increasingly applied, which is to establish a Building model based on various relevant Information data of a construction project, and simulate real Information of a Building through digital Information. Along with the pace of national digitization and informatization development, the characteristics of long engineering period, large resource consumption and the like reflected by the traditional transformer substation engineering implementation mode cannot meet the requirements of industrial development, so a new method which can guarantee or even improve the transformer substation engineering implementation quality, has the effects of safety and the like, can reduce the engineering implementation cost and shortens the engineering implementation period is urgently sought.
In 2017, more than 90% of the national capital construction industry applies the BIM technology, and more than 80% of civil construction projects apply the BIM technology; the rapid development of the BIM technology in China makes the rapid response of each party of the project very reluctant. The conventional processing mode for project change is to calculate and process the influence result of the change by manually changing the BIM and the related parameter settings, and such a change updating mode can only reflect the change of design scheme style and appearance in the model and cannot reflect the influence of various aspects such as cost, progress and the like caused by scheme change.
Disclosure of Invention
The invention provides a rapid BIM model changing method, which can directly obtain the changes of the engineering quantity, the cost, the progress and the like generated by the change while reflecting the changed content on the model.
The invention specifically relates to a BIM (building information modeling) model rapid changing method, which specifically comprises the following steps:
decomposing a BIM (building information modeling) model into a work package, reading model primitive entity information in the work package, and acquiring material and geometric attributes;
step (2), generating a project amount list according to the project amount calculation rule; the engineering quantity calculation rule comprises definitions of statistical units, statistical algorithms and data types;
and (3) calculating the labor time based on the project amount list according to the defined labor quota, the logic constraint relation among the processes and the constraint condition of the total resources, and establishing a progress plan.
Further, the construction of the BIM model comprises the following steps:
step a, designing a required building model;
b, analyzing the topological structure of the model;
c, performing information supplement and error correction according to the model analysis result;
d, modeling;
step e, merging the similar primitives;
step f, obtaining a preliminary BIM model;
step g, triangularization of the model;
h, rendering data;
i, organizing a spatial index of a scene;
step j, removing the shielding;
step k, sequencing rendering queues;
and step l, batch drawing.
Further, the BIM model rapid change method is used for a digital management system of a transformer substation engineering implementation site, and the digital management system adopts a three-layer architecture and comprises a data access layer, a service logic layer and a presentation layer; the data access layer adopts a wrapper frame and is bound by reflective dynamic data; the service logic layer is responsible for operating data and processing data service logic; the presentation layer adopts a LigerUI framework and provides a uniform user interface; the data access layer accesses relevant data of the transformer substation construction project stored in a background server database and comprises an authority control unit, a module configuration unit, an account management unit, a data conversion unit, a monitoring log unit, an attribute extraction unit and an intelligent analysis unit; the business logic layer processes the relevant data of the transformer substation construction engineering acquired by the data access layer and comprises a model import unit, a component attribute unit, a data hooking unit, a progress analysis unit, a two-dimension code unit, a component information unit, a data management unit, a sand table animation unit, a model operation unit, a model progress unit, an automatic reporting unit, a collision check unit, an animation roaming unit, a patrol drawing pin unit and a data extraction unit; the performance layer displays data results related to the transformer substation construction engineering processed by the business logic layer on a user interface, and the data results comprise a bidding unit, a network diagram unit, a data filing unit, a polling report unit, a progress planning unit, a task management unit, a problem cooperation unit, a technical scheme unit, a progress reminding unit, a monitoring and early warning unit, an acceptance record unit, a real-name management unit, a resource management unit, an equipment management unit, a quality evaluation unit, a safety inspection unit, a resource control unit, a monitoring and management unit and a quality control unit.
Compared with the prior art, the invention has the beneficial effects that: a new processing method is researched for a BIM model of a transformer substation project, and combined with electric power and electrical professional knowledge, semi-automatic processing of project change information is realized by establishing methods such as project templates, enterprise family libraries and enterprise implementation standards, namely, the change content is reflected on the model, and meanwhile, the changes of the quantity, cost and progress of the project generated by the change can be directly obtained.
Drawings
FIG. 1 is a flow chart of BIM model construction according to the present invention;
fig. 2 is an architecture diagram of a substation engineering implementation site digital management system based on the BIM technology.
Detailed Description
The following describes in detail a specific embodiment of a method for quickly changing a BIM model according to the present invention with reference to the accompanying drawings.
The invention relates to a BIM (building information modeling) model rapid changing method, which specifically comprises the following steps: decomposing a BIM (building information modeling) model into a work package, reading model primitive entity information in the work package, and acquiring material and geometric attributes; step (2), generating a project amount list according to the project amount calculation rule; the engineering quantity calculation rule comprises definitions of statistical units, statistical algorithms and data types; and (3) calculating the labor time based on the project amount list according to the defined labor quota, the logic constraint relation among the processes and the constraint condition of the total resources, and establishing a progress plan.
As shown in fig. 1, the construction of the BIM model includes: designing a required building model; analyzing the topological structure of the model; performing information supplement and error correction according to the model analysis result; modeling; merging the similar primitives; obtaining a preliminary BIM model; triangularization of the model; data rendering; organizing a spatial index of a scene; removing the shielding; sequencing rendering queues; and (5) batch drawing.
The BIM rapid changing method is used for a transformer substation engineering implementation site digital management system, and as shown in FIG. 2, the transformer substation engineering implementation site digital management system adopts a three-layer architecture and comprises a data access layer, a service logic layer and a presentation layer; the data access layer adopts a wrapper frame and is bound by reflective dynamic data; the service logic layer is responsible for operating data and processing data service logic; the presentation layer adopts a LigerUI framework to provide a uniform user interface.
The data access layer accesses relevant data of the transformer substation construction project stored in a background server database and comprises an authority control unit, a module configuration unit, an account management unit, a data conversion unit, a monitoring log unit, an attribute extraction unit and an intelligent analysis unit; the business logic layer processes the relevant data of the transformer substation construction engineering acquired by the data access layer and comprises a model import unit, a component attribute unit, a data hooking unit, a progress analysis unit, a two-dimension code unit, a component information unit, a data management unit, a sand table animation unit, a model operation unit, a model progress unit, an automatic reporting unit, a collision check unit, an animation roaming unit, a patrol drawing pin unit and a data extraction unit; the performance layer displays data results related to the transformer substation construction engineering processed by the business logic layer on a user interface, and the data results comprise a bidding unit, a network diagram unit, a data filing unit, a polling report unit, a progress planning unit, a task management unit, a problem cooperation unit, a technical scheme unit, a progress reminding unit, a monitoring and early warning unit, an acceptance record unit, a real-name management unit, a resource management unit, an equipment management unit, a quality evaluation unit, a safety inspection unit, a resource control unit, a monitoring and management unit and a quality control unit.
The transformer substation engineering implementation site digital management system performs project division and structure decomposition on a transformer substation construction project and performs detailed coding on a decomposed working module; after the work module combination is determined, the project is defined, and after the project is defined, project sub-projects and project sub-projects are formed, and the projects of different types are also included in digital management.
Collision checking and clear height analysis solution
User difficulty: collision inspection and clear height analysis are common and very important links in building engineering, and the problems of collision and clear height in a three-dimensional space are difficult to find in the traditional two-dimensional drawing, so that the collision of buildings and structures (such as doors and windows and structural beams and columns) is caused; structural and electromechanical collisions (e.g., pipeline through beam and column); the impact among pipelines of electromechanical water heating electricity, fire fighting and the like; the problems that the space is narrow, the pipelines are dense or the area with high requirement on net height does not meet the requirement on net height and the like are endless. Such waste and loss of schedule and cost due to design change or rework caused by drawing errors is very common in engineering projects. And the collision check and clear height analysis are carried out by utilizing the BIM three-dimensional visualization technology to eliminate the change and rework problems, so that various collision and clear height problems are quickly found out, the design and optimization are deepened in advance, and the conflict in the construction process is avoided, thereby causing huge investment waste.
The solution is as follows: through the working set mode, each professional model can be integrated into a model, a leading and efficient three-dimensional algorithm is adopted, three-dimensional space collision inspection is carried out on the multi-professional BIM model, early warning is carried out on problems caused by two-dimensional drawings, and the design problems are found and solved at the first time.
The collision analysis method has the advantages that multiple collision modes of hard collision, soft collision and interval collision are adopted, the analyzed collision result is ensured to be consistent with the construction collision generated in field construction, the problem is solved in advance before actual construction through analysis of the collision point result, and unnecessary change and waste in working time are saved.
Set up the hole and generate the rule, generate fast because of the required entrance to a cave of reserving in the place of structural wall, roof beam, board and electromechanical pipeline collision, omit and arouse the rework when avoiding the construction. For the dense pipeline area, an integral reserved hole is supported.
And setting a clear height checking rule, and quickly checking out places which do not meet the clear height requirement. The building can be divided into different clear height zones according to different design clear heights and floors, the different clear height zones are filled with different colors, and results of the clear height zones can be rapidly and visually displayed and exported.
And when the collision result and the net height are insufficient and the feeling is not visual, the information of collision points and net height points at each position is checked through 3D virtual roaming, and the actual position and the situation of the problem are known personally on the scene.
The software also supports the analysis for collision results, hole results, net height results. Distinguishing and counting collision points according to the professions, so that each profession can know the number of problems to be solved; distinguishing and counting collision points according to the sizes of pipelines, and distinguishing the difficulty degree of solving the collision according to the sizes; counting reserved holes according to hole positions and pipeline types, and determining the number of holes of each type; and counting the number of the components which do not accord with the design net height according to the difference range between the actual net height and the design net height.
The results of the collision, hole and clearance checks all support the derivation of reports in Word form.
Quality safety inspection solution
User difficulty: at present, the project inspection process is formalized, the planning performance is not strong, the quality of the archived content is uneven, the process data is lost, the responsibility of a person responsible for the area is not clear, the problem is difficult to correct, the correction process is difficult to monitor, the efficiency is low, the inspection-welcome data is difficult to collect, and the problems of time and energy waste caused by sudden data repair are solved.
The solution is as follows: [ ROUTING ROUTE ] the intelligent patrol inspection system can support flexible scheduling assessment modes in different time periods such as daily, weekly or monthly and the like, and can preset a patrol inspection route according to intervals or make a work plan. After the patrol inspection point is set, a patrol inspection route can be generated, so that the work of people can be more natural, efficient and convenient. [ patrol and examine location ] adopt the automatic positioning of removal end to patrol and examine the affirmation of task to the personnel of patrolling and examining, guarantee that the personnel of patrolling and examining really arrive at the scene. [ patrol and examine task ] when the unusual problem of patrolling and examining appears, the personnel of patrolling and examining can shoot the upload the very first time to initiate the cooperation and rectify and change, let relevant personnel know the condition very first time. [ ROUTING WATCH REPORT ] can automatically generate a patrol daily newspaper, show patrol dates, patrol point locations, patrol personnel, hidden danger descriptions and the like, and can be exported for use.
Data management solution
User difficulty: the construction data is an important part of construction management. The construction data are the necessary conditions for engineering construction and completion acceptance, and are the original basis for checking, maintaining, managing, using, rebuilding and expanding the engineering. Therefore, the construction department and each provincial and municipal construction department can emphasize the technical data management work for many times, and clearly points out that: if the technical data of any project does not meet the standard specification, the project is judged to be unqualified, and the rejection power is provided for the project quality. The actual data compiling, especially the management, has a major problem, and the filling and management of construction data in the whole building industry is just a weak link. The filling means is backward and the efficiency is low; the writing tool is not satisfactory, and the handwriting is fuzzy; the data management is disordered and the phenomena of missing filling and losing are serious. At present, the manufacture and management of construction data can not meet the basic requirements of a construction project file arrangement method, and further development of construction enterprises is restricted. The problems of disordered management, difficult cooperative application, unclear authority division and the like exist in the approval creation management of project data.
The solution idea is as follows: aiming at different data contents, a template with stronger universality is provided, so that a user can use the template after simply changing the template; refreshing data in real time and summarizing the data in real time; some common contents can be edited by multiple tables synchronously, such as a header with the same project profile and the like; the form can be intelligently output and printed; a complete data tree folder; different folders are distributed with different role authority controls; meanwhile, user-defined folders, new creation, deletion, renaming, parent or child folders of different hierarchies and the like are supported; the file management is used as a data basis of other application scenes, and can meet the requirements of association, hanging, output, viewing and the like of other modules, rather than isolated data placement; and the method can be retrieved and traced.
Intelligent progress management cooperative early warning
User difficulty: difficulty in schedule editing; the progress change adjustment is complicated and the workload is large; the progress changes and the discovery are delayed, and the adjustment and coordination cannot be carried out in time.
The solution is as follows:
[ uploading progress ]: when all project tasks are imported, dimension attributes such as version labels and department labels are added, so that subsequent different departments can conveniently adjust the tasks respectively;
[ Change comparison ]: selecting a newly uploaded change plan to compare with the original plan progress, deleting repeated parts in the change plan according to task attribute information (configurable screening rules), and highlighting the unrepeated parts;
[ intelligent adjustment ]: manual information hanging connection is carried out on the unrepeated part, hanging connection can be newly established, and original task data can also be hung on a new task; the current schedule shows 3 versions, namely the original schedule, the actual implementation schedule and the adjusted schedule, according to the time dimension, and meanwhile, relevant modified tasks (such as a responsible person, an executive person, an acquaintance and a supporter) or relevant tasks of other departments are associated, so that preparation is provided for subsequent change notification.
[ approval Process ]: during manual adjustment, a modifier needs to submit change approval according to an organization structure and an approval process, the generated change approval supports multi-terminal preview (mainly a mobile phone terminal) front and back progress plan comparison, change condition description attachments are uploaded, and the approval process is submitted to a server.
[ examination and approval process ]: and according to the flow, the corresponding authority responsible person examines and approves the change. If the answer is passed, the step 6 is smoothly carried out, if the answer is not returned to the contact person by supporting the editing of the text suggestions, and simultaneously, the contact way of the main contact person is provided, the direct telephone communication can be carried out, and the answer is returned, modified and then submitted; if the company requires offline archiving, the initiator can print the relevant change record sheet to sign and archive the key person.
[ update effective ]: at the moment, the new change plan takes effect formally, the original plan is not displayed any more, but is kept in the background progress version database file as a historical record, and the initiator can make an online file for the electronic version of the related offline file uploaded by the current change process.
[ Notification update ]: it should be noted here that, in the same task, the user reminding modes of different roles and the importance degrees need to be distinguished, that is, the roles in charge, execution, understanding, and support need to receive reminders of different degrees, at this time, the change is basically completed, but corresponding changes of other support departments may be caused (for example, after a production plan of a production department is adjusted, a contract and a corresponding plan of a purchasing department need to be adjusted relatively), and a point to be described here, that is, a change initiated under the influence of the change, needs to be flexibly notified to an original change initiator (needless of course, repeated notification is also needed when online communication is completed).
Cost control solution
And fine planning management is realized, a BIM platform is taken as a core, civil engineering, reinforcing steel bars and various professional models are integrated, and information such as associated progress, contract, cost, materials and the like in the construction process is obtained. The characteristics of visual image and computational analysis of the BIM model are utilized to provide data support for project progress, cost management and control, material management and the like and assist managers in effective decision making and fine management, so that the purposes of reducing construction change, shortening construction period, controlling cost and improving quality are achieved, a strong 5D database is supported, data are extracted in any time dimension, resources are counted, analysis cost is analyzed, multiple calculations are compared, and real construction fine management is achieved.
And (3) managing the properties of the model: for the models in different stages, corresponding different data are generated, and a foundation is laid for data analysis in each stage;
[ subcontract contract management ]: the cost of each sub-package in the cost is reflected in time, the data of the cost is mastered, and a data base is made for the actual cost generation amount.
[ dose analysis Module ]: the quantity and price of the model are closely connected together, the price change of the component can be fed back at any time by the change of the model component, and the data is flexibly displayed. The price of the material machine is adjusted, and the real data of the project can be known.
[ asset analysis Module ]: through data analysis in three stages, three-calculation comparison is realized, and the real situation of engineering profit is mastered in real time.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A BIM model rapid changing method is characterized by comprising the following steps:
decomposing a BIM (building information modeling) model into a work package, reading model primitive entity information in the work package, and acquiring material and geometric attributes;
step (2), generating a project amount list according to the project amount calculation rule; the engineering quantity calculation rule comprises definitions of statistical units, statistical algorithms and data types;
and (3) calculating the labor time based on the project amount list according to the defined labor quota, the logic constraint relation among the processes and the constraint condition of the total resources, and establishing a progress plan.
2. The BIM model rapid modification method according to claim 1, wherein the building of the BIM model comprises the following steps:
step a, designing a required building model;
b, analyzing the topological structure of the model;
c, performing information supplement and error correction according to the model analysis result;
d, modeling;
step e, merging the similar primitives;
step f, obtaining a preliminary BIM model;
step g, triangularization of the model;
h, rendering data;
i, organizing a spatial index of a scene;
step j, removing the shielding;
step k, sequencing rendering queues;
and step l, batch drawing.
3. The BIM model rapid change method according to claim 1, wherein the BIM model rapid change method is used for a digital management system of a transformer substation engineering implementation site, and the digital management system adopts a three-layer architecture and comprises a data access layer, a business logic layer and a presentation layer; the data access layer adopts a wrapper frame and is bound by reflective dynamic data; the service logic layer is responsible for operating data and processing data service logic; the presentation layer adopts a LigerUI framework and provides a uniform user interface; the data access layer accesses relevant data of the transformer substation construction project stored in a background server database and comprises an authority control unit, a module configuration unit, an account management unit, a data conversion unit, a monitoring log unit, an attribute extraction unit and an intelligent analysis unit; the business logic layer processes the relevant data of the transformer substation construction engineering acquired by the data access layer and comprises a model import unit, a component attribute unit, a data hooking unit, a progress analysis unit, a two-dimension code unit, a component information unit, a data management unit, a sand table animation unit, a model operation unit, a model progress unit, an automatic reporting unit, a collision check unit, an animation roaming unit, a patrol drawing pin unit and a data extraction unit; the performance layer displays data results related to the transformer substation construction engineering processed by the business logic layer on a user interface, and the data results comprise a bidding unit, a network diagram unit, a data filing unit, a polling report unit, a progress planning unit, a task management unit, a problem cooperation unit, a technical scheme unit, a progress reminding unit, a monitoring and early warning unit, an acceptance record unit, a real-name management unit, a resource management unit, an equipment management unit, a quality evaluation unit, a safety inspection unit, a resource control unit, a monitoring and management unit and a quality control unit.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112214815A (en) * | 2020-09-17 | 2021-01-12 | 中南设计集团（武汉）工程技术研究院有限公司 | Electromechanical comprehensive design method based on graphic topology |
| CN112396302A (en) * | 2020-11-06 | 2021-02-23 | 深圳市深能环保东部有限公司 | Engineering quality acceptance management system and method based on field positioning |
| CN113268805A (en) * | 2021-06-18 | 2021-08-17 | 中国五冶集团有限公司 | BIM modeling method for comprehensive arrangement of hospital pipelines |
| CN113868753A (en) * | 2021-12-06 | 2021-12-31 | 深圳市城市交通规划设计研究中心股份有限公司 | Intelligent metering method and device for building engineering, computing equipment and storage medium |
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2020
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112214815A (en) * | 2020-09-17 | 2021-01-12 | 中南设计集团（武汉）工程技术研究院有限公司 | Electromechanical comprehensive design method based on graphic topology |
| CN112214815B (en) * | 2020-09-17 | 2023-12-01 | 中南建筑设计院股份有限公司 | Electromechanical comprehensive design method based on graph topology |
| CN112396302A (en) * | 2020-11-06 | 2021-02-23 | 深圳市深能环保东部有限公司 | Engineering quality acceptance management system and method based on field positioning |
| CN113268805A (en) * | 2021-06-18 | 2021-08-17 | 中国五冶集团有限公司 | BIM modeling method for comprehensive arrangement of hospital pipelines |
| CN113868753A (en) * | 2021-12-06 | 2021-12-31 | 深圳市城市交通规划设计研究中心股份有限公司 | Intelligent metering method and device for building engineering, computing equipment and storage medium |
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