Project spatio-temporal information management and control method based on BIM technology

Abstract

The invention discloses a project spatio-temporal information management and control method based on a BIM technology, and the method specifically comprises the following steps: 1, building a BIM collaborative public data environment, and enabling an engineering project decomposition structure coding standard to be analyzed and built in the BIM collaborative public data environment; step 2, establishing a plan information model, inputting budget quota data and engineering quantity list data into the BIM collaborative public data environment established in the step 1, establishing a mapping relationship among quota list items, engineering quantity list items and an engineering project decomposition structure, and determining unique codes of the data; step 3, establishing an execution information model, inputting spatio-temporal information data of the real world and model information data of the virtual world into a BIM collaborative public data environment, establishing a mapping relationship with a plan information model by relying on an engineering project decomposition structure code, and multiplexing the unique code determined in the step 2; 4, establishing a collaborative linkage relationship between the information model and information data, and realizing plan and execution difference comparative analysis based on model definition by means of data fusion and visualization service of a graphic engine; and step five, based on a three-dimensional visualization analysis result in the step four, project cost, progress, quality and safety control is carried out. The method is suitable for traffic infrastructure project management and control.

Description

Technical Field

[0001] The present invention relates to the field of information technology for transportation infrastructure, and in particular to a project spatiotemporal information management and control method based on BIM technology. Background Art

[0002] Industrial digitalization with BIM as the starting point is of great strategic significance for promoting the digital transformation and empowerment of the transportation industry. Taking BIM as the core technology to promote the data connection of the industrial chain is an important support for the integration of digitalization and transportation industry business and the transformation and upgrading of traditional industries. Therefore, it is necessary to transmit data across stages through the BIM model, form a bill of quantities in the design stage, conduct in-depth design and output a procurement list in the construction stage, generate a risk list through simulation and prediction, deeply explore the application scenarios of BIM technology, and integrate with the project management system to achieve comprehensive connection of engineering data. Project spatiotemporal information control based on BIM technology is a key link in realizing the data connection of "point layout, connection, surface, and structure" and the integrated application of BIM+ project management during the construction process of the entire life cycle of the project.

[0003] The information disclosed in this background technology section is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to those skilled in the art. Summary of the invention

[0004] The purpose of the present invention is to provide a project spatiotemporal information management and control method based on BIM technology, so as to realize digital-analog collaboration and two-dimensional and three-dimensional linkage by utilizing information models such as BIM and GIS, thus forming a project cost, progress, quality and safety management and control method with multi-source data fusion and three-dimensional visualization.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: The present invention provides a project spatiotemporal information management and control method based on BIM technology, comprising the following steps: Step 1: Establish a BIM collaborative public data environment, perform semantic conversion of the standard text of the project breakdown structure coding, parse and generate automated verification rules, and embed them into the BIM collaborative public data environment; Step 2: Establish a planning information model, input the budget quota data and bill of quantities data into the BIM collaborative public data environment established in step 1, correspond to the project breakdown structure code, determine the mapping relationship between the quota list items, bill of quantities items and the project breakdown structure, and generate a unique code for each data item; Step 3: Establish an execution information model, input the spatiotemporal information data of the real world and the model information data of the virtual world into the BIM collaborative public data environment, establish a mapping relationship based on the project breakdown structure code and the plan information model, and reuse the unique code determined in step 2; Step 4: Establish a collaborative relationship between information models and information data, and rely on the data fusion and visualization services of the graphics engine to achieve comparative analysis of model-defined plans and execution differences; Step 5: Based on the 3D visualization analysis results of step 4, conduct project cost, schedule, quality and safety control.

[0006] Furthermore, the semantic conversion and parsing of the standard text of the engineering project decomposition structure coding in step 1 generates automatic verification rules, which are specifically implemented through the following steps: Step 1.1: Standardized semantic rule design; the standardized semantic rule design includes: defining a machine-readable format, determining a rule statement structure, and designing a rule statement that supports multiple levels of complexity; Step 1.2: Storage and management of semantic rule files; the storage and management of semantic rule files includes: design of rule file storage structure, access and authority management of rule files, and integration with BIM collaborative public data environment; Step 1.3: parsing and extraction; the parsing and extraction process includes: text preprocessing, keyword and phrase recognition, syntactic and semantic analysis, rule extraction, rule verification and feedback; Step 1.4: Generate automated rule outcome files; the features of the rule files include: standardized format, semantic content, and high compatibility.

[0007] Furthermore, the standardized semantic rule design in step 1.1 is specifically implemented through the following steps: Step 1.1.1: define a machine-readable format, wherein the machine-readable format is an extended markup language XML; Step 1.1.2: Determine the rule statement structure, wherein the rule statement structure includes: attribute name, expression method, and operator; Step 1.1.3: Design rule statements that support multiple levels of complexity, where the rule statements of multiple levels of complexity include: basic level, intermediate level of complexity, and advanced level of complexity.

[0008] Furthermore, the storage and management of the semantic rule file in step 1.2 is specifically implemented through the following steps: Step 1.2.1: Design of rule file storage structure, including directory structure, file naming convention, version control, database storage and indexing, file metadata management, and rule content indexing; Step 1.2.2: Access and authority management of rule files, wherein the access and authority management includes: user role definition and authority level.

[0009] Furthermore, the parsing and extraction in step 1.3 are specifically implemented through the following steps: Step 1.3.1: Text preprocessing, which is to clean the text data, remove irrelevant characters and formats, and prepare the text for more in-depth semantic analysis; Step 1.3.2: Keyword and phrase identification, wherein the keyword and phrase identification is to identify key terms related to industry characteristics in the text; Step 1.3.3: Syntactic and semantic analysis, wherein the syntactic and semantic analysis is to use NLP tools to analyze sentence structure, identify subject-verb-object structure, as well as conditionals and qualifiers; Step 1.3.4: rule extraction, wherein the rule extraction is to convert the extracted key information into a rule expression in a predefined rule format XML; Step 1.3.5: Rule verification and feedback: the rule verification and feedback is to compare the initially generated rules with the existing rule database to ensure that the newly generated rules do not conflict with the existing rules and are applicable to the actual scenario.

[0010] Furthermore, in step 3, the spatiotemporal information data includes: spatial planning data, industry characteristic data, and engineering time series data.

[0011] Furthermore, in step 3, the model information data includes: geographic information model (GIS) and building information model (BIM).

[0012] Furthermore, in step 4, the coordinated linkage between the information model and the information data is specifically achieved through the following steps: Step 4.1: Establish BIM model and GIS model. The BIM model and GIS model are the results of describing the characteristic attributes of entities from multiple dimensions such as geometry, location, action and logical relationship in the forward design stage; Step 4.2: Access engineering time series data, which is the data of people, machines and materials that change over time obtained through sensors or personnel reporting. The engineering time series data is mapped and connected with the model information data to drive the model to change in the same operating state as the physical entity; Step 4.3: Use the information model to predict the entity's operating process and status. The prediction process is to infer the operating results of the physical entity through the explicit mechanisms described by the industry characteristic data and the implicit laws contained in the information model data. At the big data level, short-term sudden and occasional problems are transformed into regular and predictable problems.

[0013] Furthermore, in step 5, BIM+ cost control is implemented through the following steps: Step 5.1: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.2: 3D display of cost details. The 3D display of cost details is to display the project cost situation using a 3D model. The project measurement situation of different periods can be viewed by custom filtering according to the measurement period, and different colors are used to distinguish and display components on the 3D model; Step 5.3: BIM+ cost control. The BIM+ cost control is to dynamically simulate the cost of the project through a three-dimensional model combined with the time and output value dimensions. The simulation is performed on a monthly basis by default, showing the date range from the start to the completion of the project, calling the project progress and measurement data query interface, and realizing visual deduction based on the time axis and output value axis based on the project breakdown structure coding standard (WBS), actual progress and measurement payment data, and intervening in project cost control in advance according to the deduction results.

[0014] Furthermore, in step 5, BIM+ progress control is implemented through the following steps: Step 5.4: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.5: 3D display of progress details. The 3D display of progress details is to display the project progress using a 3D model. The project progress of different date ranges can be viewed by custom filtering according to date ranges, and different colors are used to distinguish and display components on the 3D model; Step 5.6: BIM+ progress control. The BIM+ progress control is to dynamically simulate the progress of the project through a three-dimensional model combined with the time dimension, support simulation by year, quarter, month, week, and day, display the date range from the start to the completion of the project, call the project progress data query interface, and realize the visualization of the planned progress and actual progress based on BIM based on the project breakdown structure coding standard (WBS), planned progress and actual progress data, and intervene in the project progress control in advance according to the simulation results.

[0015] Furthermore, in step 5, BIM+ quality control is implemented through the following steps: Step 5.7: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.8: Three-dimensional display of quality details. The three-dimensional display of quality details is to display the quality of the project using a three-dimensional model. The quality of different batches of projects can be viewed by custom screening according to the inspection batch, and different colors are used to distinguish and display components on the three-dimensional model; Step 5.9: BIM+quality control. The BIM+quality control is to dynamically simulate and display the quality of the project through a three-dimensional model combined with the time dimension. The simulation is performed on a monthly basis by default, and the date range from the start to the completion of the project is displayed. The project quality data query interface is called to realize the BIM-based progress and quality visualization deduction based on the engineering project breakdown structure coding standard (WBS) and inspection data, and the project quality control on key routes is focused on according to the deduction results.

[0016] Furthermore, in step 5, BIM+ safety management and control is implemented through the following steps: Step 5.10: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.11: 3D display of safety details. The 3D display of safety details is to display the safety status of the project using a 3D model. The project safety status of different risk points can be viewed by custom filtering according to risk points, and different colors are used to distinguish and display risk areas on the 3D model; Step 5.12: BIM+safety control. The BIM+safety control is to dynamically simulate and display the safety situation of the project through a three-dimensional model combined with the time dimension. The simulation is performed in weeks by default, showing the date range from the start to the completion of the project. The project safety data query interface is called to implement BIM-based progress and safety visualization based on the project breakdown structure coding standard (WBS) and safety data, and focus on project safety control in high-risk areas based on the simulation results.

[0017] By adopting the above technical solution, the present invention has the following beneficial effects: The present invention is aimed at project management, takes BIM technology as a starting point, standardizes project spatiotemporal data in a public data environment, and uses information models such as BIM and GIS to achieve digital-analog collaboration and two-dimensional and three-dimensional linkage, forming a set of multi-source data fusion and three-dimensional visualization project cost, progress, quality, and safety management and control methods. The present invention is suitable for the management and control of transportation infrastructure projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a technical architecture diagram of the project spatiotemporal information management method based on BIM technology proposed in the present invention; Figure 2 This is a data architecture diagram of the project spatiotemporal information management and control method based on BIM technology proposed in the present invention. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0022] Combination Figure 1-2 As shown, this embodiment provides a project spatiotemporal information management method based on BIM technology, including the following steps: Step 1: Establish a BIM collaborative public data environment, perform semantic conversion of the standard text of the project breakdown structure coding, parse and generate automated verification rules, and embed them into the BIM collaborative public data environment; Step 2: Establish a planning information model, input the budget quota data and bill of quantities data into the BIM collaborative public data environment established in step 1, correspond to the project breakdown structure code, determine the mapping relationship between the quota list items, bill of quantities items and the project breakdown structure, and generate a unique code for each data item; Step 3: Establish an execution information model, input the spatiotemporal information data of the real world and the model information data of the virtual world into the BIM collaborative public data environment, establish a mapping relationship based on the project breakdown structure code and the plan information model, and reuse the unique code determined in step 2; Step 4: Establish a collaborative relationship between information models and information data, and rely on the data fusion and visualization services of the graphics engine to achieve comparative analysis of model-defined plans and execution differences; Step 5: Based on the 3D visualization analysis results of step 4, conduct project cost, schedule, quality and safety control.

[0023] In step 1, the semantic conversion and parsing of the standard text of the project decomposition structure coding generates automated verification rules, which is specifically achieved through the following steps: Step 1.1: Standardized semantic rule design; the standardized semantic rule design includes: defining a machine-readable format, determining a rule statement structure, and designing a rule statement that supports multiple levels of complexity; Step 1.2: Storage and management of semantic rule files; the storage and management of semantic rule files includes: design of rule file storage structure, access and authority management of rule files, and integration with BIM collaborative public data environment; Step 1.3: parsing and extraction; the parsing and extraction process includes: text preprocessing, keyword and phrase recognition, syntactic and semantic analysis, rule extraction, rule verification and feedback; Step 1.4: Generate automated rule outcome files; the features of the rule files include: standardized format, semantic content, and high compatibility.

[0024] The standardized semantic rule design in step 1.1 is implemented through the following steps: Step 1.1.1: define a machine-readable format, wherein the machine-readable format is an extended markup language XML; Step 1.1.2: Determine the rule statement structure, wherein the rule statement structure includes: attribute name, expression method, and operator; Step 1.1.3: Design rule statements that support multiple levels of complexity, where the rule statements of multiple levels of complexity include: basic level, intermediate level of complexity, and advanced level of complexity.

[0025] The storage and management of semantic rule files in step 1.2 is implemented through the following steps: Step 1.2.1: Design of rule file storage structure, including directory structure, file naming convention, version control, database storage and indexing, file metadata management, and rule content indexing; Step 1.2.2: Access and authority management of rule files, wherein the access and authority management includes: user role definition and authority level.

[0026] The parsing and extraction in step 1.3 are implemented through the following steps: Step 1.3.1: Text preprocessing, which is to clean the text data, remove irrelevant characters and formats, and prepare the text for more in-depth semantic analysis; Step 1.3.2: Keyword and phrase identification, wherein the keyword and phrase identification is to identify key terms related to industry characteristics in the text; Step 1.3.3: Syntactic and semantic analysis, wherein the syntactic and semantic analysis is to use NLP tools to analyze sentence structure, identify subject-verb-object structure, as well as conditionals and qualifiers; Step 1.3.4: rule extraction, wherein the rule extraction is to convert the extracted key information into a rule expression in a predefined rule format XML; Step 1.3.5: Rule verification and feedback: the rule verification and feedback is to compare the initially generated rules with the existing rule database to ensure that the newly generated rules do not conflict with the existing rules and are applicable to the actual scenario.

[0027] In step 3, the spatiotemporal information data includes: spatial planning data, industry characteristic data, and engineering time series data.

[0028] In step 3, the model information data includes: geographic information model (GIS) and building information model (BIM); the geographic information model formats include shp, shx, dbf, json, kml, kmz, gpx, map, tif, tiff, img, vct, vdc, osm; the building information model formats include rvt, dwg, dxf, ifc, fbx, skp, dwf, dgn, and rfa.

[0029] In step 4, the coordinated linkage between the information model and the information data is realized through the following steps: Step 4.1: Establish BIM model and GIS model. The BIM model and GIS model are the results of describing the characteristic attributes of entities from multiple dimensions such as geometry, location, action and logical relationship in the forward design stage; Step 4.2: Access engineering time series data, which is the data of people, machines and materials that change over time obtained through sensors or personnel reporting. The engineering time series data is mapped and connected with the model information data to drive the model to change in the same operating state as the physical entity; Step 4.3: Use the information model to predict the entity's operating process and status. The prediction process is to infer the operating results of the physical entity through the explicit mechanisms described by the industry characteristic data and the implicit laws contained in the information model data. At the big data level, short-term sudden and occasional problems are transformed into regular and predictable problems.

[0030] In step 5, BIM+ cost control is implemented through the following steps: Step 5.1: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.2: 3D display of cost details. The 3D display of cost details is to display the project cost situation using a 3D model. The project measurement situation of different periods can be viewed by custom filtering according to the measurement period, and different colors are used to distinguish and display components on the 3D model; Step 5.3: BIM+ cost control. The BIM+ cost control is to dynamically simulate the cost of the project through a three-dimensional model combined with the time and output value dimensions. The simulation is performed on a monthly basis by default, showing the date range from the start to the completion of the project, calling the project progress and measurement data query interface, and realizing visual deduction based on the time axis and output value axis based on the project breakdown structure coding standard (WBS), actual progress and measurement payment data, and intervening in project cost control in advance according to the deduction results.

[0031] In step 5, BIM+ progress control is implemented through the following steps: Step 5.4: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.5: 3D display of progress details. The 3D display of progress details is to display the project progress using a 3D model. The project progress of different date ranges can be viewed by custom filtering according to date ranges, and different colors are used to distinguish and display components on the 3D model; Step 5.6: BIM+ progress control. The BIM+ progress control is to dynamically simulate the progress of the project through a three-dimensional model combined with the time dimension, support simulation by year, quarter, month, week, and day, display the date range from the start to the completion of the project, call the project progress data query interface, and realize the visualization of the planned progress and actual progress based on BIM based on the project breakdown structure coding standard (WBS), planned progress and actual progress data, and intervene in the project progress control in advance according to the simulation results.

[0032] In step 5, BIM+ quality control is implemented through the following steps: Step 5.7: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.8: Three-dimensional display of quality details. The three-dimensional display of quality details is to display the quality of the project using a three-dimensional model. The quality of different batches of projects can be viewed by custom screening according to the inspection batch, and different colors are used to distinguish and display components on the three-dimensional model; Step 5.9: BIM+quality control. The BIM+quality control is to dynamically simulate and display the quality of the project through a three-dimensional model combined with the time dimension. The simulation is performed on a monthly basis by default, and the date range from the start to the completion of the project is displayed. The project quality data query interface is called to realize the BIM-based progress and quality visualization deduction based on the engineering project breakdown structure coding standard (WBS) and inspection data, and the project quality control on key routes is focused on according to the deduction results.

[0033] In step 5, BIM+ safety control is implemented through the following steps: Step 5.10: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.11: 3D display of safety details. The 3D display of safety details is to display the safety status of the project using a 3D model. The project safety status of different risk points can be viewed by custom filtering according to risk points, and different colors are used to distinguish and display risk areas on the 3D model; Step 5.12: BIM+safety control. The BIM+safety control is to dynamically simulate and display the safety situation of the project through a three-dimensional model combined with the time dimension. The simulation is performed in weeks by default, showing the date range from the start to the completion of the project. The project safety data query interface is called to implement BIM-based progress and safety visualization based on the project breakdown structure coding standard (WBS) and safety data, and focus on project safety control in high-risk areas based on the simulation results.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A project spatiotemporal information management and control method based on BIM technology, characterized in that: The following steps are involved: Step 1: Establish a BIM collaborative public data environment, perform semantic conversion of the standard text of the project breakdown structure coding, parse and generate automated verification rules, and embed them into the BIM collaborative public data environment; Step 2: Establish a planning information model, input the budget quota data and bill of quantities data into the BIM collaborative public data environment established in step 1, correspond to the project breakdown structure code, determine the mapping relationship between the quota list items, bill of quantities items and the project breakdown structure, and generate a unique code for each data item; Step 3: Establish an execution information model, input the spatiotemporal information data of the real world and the model information data of the virtual world into the BIM collaborative public data environment, establish a mapping relationship based on the project breakdown structure code and the plan information model, and reuse the unique code determined in step 2; Step 4: Establish a collaborative relationship between information models and information data, and rely on the data fusion and visualization services of the graphics engine to achieve comparative analysis of model-defined plans and execution differences; Step 5: Based on the 3D visualization analysis results of step 4, conduct project cost, schedule, quality and safety control.

2. According to a BIM technology-based project spatiotemporal information management method according to claim 1, it is characterized by: In step 1, the semantic conversion and parsing of the standard text of the project decomposition structure coding generates automated verification rules, which are specifically implemented through the following steps: Step 1.1: Standardized semantic rule design; the standardized semantic rule design includes: defining a machine-readable format, determining a rule statement structure, and designing a rule statement that supports multiple levels of complexity; Step 1.2: Storage and management of semantic rule files; the storage and management of semantic rule files includes: design of rule file storage structure, access and authority management of rule files, and integration with BIM collaborative public data environment; Step 1.3: parsing and extraction; the parsing and extraction process includes: text preprocessing, keyword and phrase recognition, syntactic and semantic analysis, rule extraction, rule verification and feedback; Step 1.4: Generate automated rule output files; features of rule files include: standardized format, semantic content, and high compatibility.

3. A method for controlling project spatiotemporal information based on BIM technology according to claim 1, characterized in that: In step 3, the spatiotemporal information data includes: spatial planning data, industry characteristic data, and engineering time series data.

4. According to a BIM technology-based project spatiotemporal information management method according to claim 1, it is characterized by: In step 3, the model information data includes: geographic information model and engineering information model.

5. According to the BIM technology-based project spatiotemporal information management method of claim 1, it is characterized by: In step 4, the coordinated linkage between the information model and the information data is implemented through the following steps: Step 4.1: Establish BIM model and GIS model. The BIM model and GIS model are the results of describing the characteristic attributes of entities from multiple dimensions such as geometry, location, action and logical relationship in the forward design stage; Step 4.2: Access engineering time series data, which is the data of people, machines and materials that change over time obtained through sensors or personnel reporting. The engineering time series data is mapped and connected with the model information data to drive the model to change in the same operating state as the physical entity; Step 4.3: Use the information model to predict the entity's operating process and status. The prediction process is to infer the operating results of the physical entity through the explicit mechanisms described by the industry characteristic data and the implicit laws contained in the information model data. At the big data level, short-term sudden and occasional problems are transformed into regular and predictable problems.

6. The project spatiotemporal information management and control method based on BIM technology according to claim 1 is characterized by: In step 5, cost control is implemented through the following steps: Step 5.1: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.2: 3D display of cost details. The 3D display of cost details is to display the project cost situation using a 3D model. The project measurement situation of different periods can be viewed by custom filtering according to the measurement period, and different colors are used to distinguish and display components on the 3D model; Step 5.3: BIM+ cost control. The BIM+ cost control is to dynamically simulate the cost of the project through a three-dimensional model combined with the time and output value dimensions. The simulation is performed on a monthly basis by default, showing the date range from the start to the completion of the project, calling the project progress and measurement data query interface, and realizing visual deduction based on the time axis and output value axis based on the engineering project breakdown structure coding standard, actual progress and measurement payment data, and intervening in project cost control in advance according to the deduction results.

7. The project spatiotemporal information management and control method based on BIM technology according to claim 1 is characterized by: In step 5, progress control is implemented through the following steps: Step 5.4: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.5: 3D display of progress details. The 3D display of progress details is to display the project progress using a 3D model. The project progress of different date ranges can be viewed by custom filtering according to date ranges, and different colors are used to distinguish and display components on the 3D model; Step 5.6: BIM+ progress control. The BIM+ progress control is to dynamically simulate the progress of the project through a three-dimensional model combined with the time dimension, support simulation by year, quarter, month, week, and day, display the date range from the start to the completion of the project, call the project progress data query interface, and realize the visualization of the planned progress and actual progress based on BIM based on the engineering project breakdown structure coding standard, planned progress and actual progress data, and intervene in the project progress control in advance according to the simulation results.

8. The project spatiotemporal information management and control method based on BIM technology according to claim 1 is characterized by: In step 5, quality control is implemented through the following steps: Step 5.7: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.8: Three-dimensional display of quality details. The three-dimensional display of quality details is to display the quality of the project using a three-dimensional model. The quality of different batches of projects can be viewed by custom screening according to the inspection batch, and different colors are used to distinguish and display components on the three-dimensional model; Step 5.9: BIM+quality control. The BIM+quality control is to dynamically simulate and display the quality of the project through a three-dimensional model combined with the time dimension. The simulation is performed on a monthly basis by default, and the date range from the start to the completion of the project is displayed. The project quality data query interface is called to realize BIM-based progress and quality visualization deduction based on the engineering project breakdown structure coding standard and inspection data, and the project quality control on key routes is focused on according to the deduction results.

9. The project spatiotemporal information management and control method based on BIM technology according to claim 1, characterized in that: In step 5, security control is implemented through the following steps: Step 5.10: Establish a project model decomposition structure tree, wherein the project model decomposition structure tree is constructed according to the engineering project decomposition structure coding standard, and the structure tree nodes are associated and interacted with the information model; Step 5.11: 3D display of safety details. The 3D display of safety details is to display the safety status of the project using a 3D model. The project safety status of different risk points can be viewed by custom filtering according to risk points, and different colors are used to distinguish and display risk areas on the 3D model; Step 5.12: BIM+safety control. The BIM+safety control is to dynamically simulate and display the safety situation of the project through a three-dimensional model combined with the time dimension. The simulation is performed in weeks by default, showing the date range from the start to the completion of the project. The project safety data query interface is called to implement BIM-based progress and safety visualization deduction based on the engineering project breakdown structure coding standard and safety data, and focus on project safety control in high-risk areas based on the deduction results.

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