CN117035691B

CN117035691B - Engineering construction digital project management method and system based on BIM technology

Info

Publication number: CN117035691B
Application number: CN202311270254.0A
Authority: CN
Inventors: 侯勇; 杨彪; 陈良志; 钱原铭; 李家华; 武警; 陈家悦; 吴国鑫
Original assignee: CCCC FHDI Engineering Co Ltd
Current assignee: CCCC FHDI Engineering Co Ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-26
Anticipated expiration: 2043-09-28
Also published as: CN117035691A

Abstract

The invention relates to a digital project management method and a digital project management system for engineering construction based on a BIM technology, which belong to the technical field of digital project management, acquire engineering project information to construct a BIM model, process the BIM model based on a GIS visual platform to obtain a GIS visual model, acquire model component information, acquire component dynamic management information by acquiring construction dynamic data of projects, acquire cost data based on the model component information, calculate the cost data and the component dynamic management information in a combined mode to generate a project management scheme, acquire real-time document update information by extracting target documents in the project management scheme, generate a multi-source heterogeneous data set by real-time monitoring data of a construction site, embed the multi-source heterogeneous data set into the GIS visual model to obtain an engineering BI management cockpit, update the BIM tubular model and the project management data to form digital assets, and transmit the digital assets in a whole life cycle of engineering.

Description

Engineering construction digital project management method and system based on BIM technology

Technical Field

The invention relates to the technical field of digital project management, in particular to a method and a system for managing engineering construction digital projects based on BIM technology.

Background

Along with the rapid development of the digitizing technology, the research on innovative technology by each industry is continuously in depth, and the digitizing is already a necessary support for transformation and management upgrading of each industry. However, the conventional project management mode is difficult to achieve accurate, timely and fine management, so that the management levels of project progress, quality, cost management and the like are not suitable for the development requirements of the digital economic era. The importance and investment of informatization in engineering construction and management of construction enterprises are insufficient, new technology is not applied enough, and management ideas and means are in need of improvement.

At present, most authorities rely on the field inspection of supervisory personnel to mainly aim at the quality, safety, green construction and other problems found in the project field, and the problems of poor timeliness, difficulty in evidence obtaining and the like due to lack of convenient law enforcement means are still rectified through a paper notice, so that the rapid closed-loop treatment of supervision cannot be realized, and the supervision execution efficiency needs to be improved. The construction site working scene is complex and changeable, safety accidents are easy to occur, so that supervision work is passive, and the quality safety supervision efficiency is improved by means of novel technical means, and the method is one of challenges faced by the supervision and management of the current engineering project.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides a method and a system for managing engineering construction digital projects based on BIM technology.

In order to achieve the above purpose, the invention adopts the following technical scheme:

The invention provides an engineering construction digital project management method based on BIM technology, which comprises the following steps:

acquiring engineering project information, creating a project setting module based on the engineering project information, and acquiring engineering project model parameters according to the project management module;

Building a BIM model according to the engineering project model parameters, processing the BIM model based on a GIS (geographic information system) visual platform to obtain a GIS visual model, and obtaining model component information;

Acquiring construction dynamic data of a project, constructing a construction dynamic management model, importing model component information into the construction dynamic management model to obtain component dynamic management information, acquiring cost data based on the model component information, and generating a project management scheme by combining and calculating the cost data and the component dynamic management information;

The method comprises the steps of obtaining project document information by extracting target documents in a project management scheme, establishing a project information base by sorting, and associating the project information base with the model component to obtain real-time document update information;

And acquiring real-time monitoring data of a construction site, regulating the real-time monitoring data and the real-time document updating information to generate a multi-source heterogeneous data set, and embedding the multi-source heterogeneous data set into the GIS visual model to obtain the engineering BI management cockpit.

Preferably, in a preferred embodiment of the present invention, the acquiring project basic information creates a project management module based on the project basic information, and acquires project model parameters according to the project management module, which specifically includes the following steps:

engineering project information is acquired, an engineering project information base is established according to the engineering project information, the construction unit information is extracted from the engineering project information base, personnel information is obtained through the construction unit information, and system user data is generated based on the personnel information;

Constructing a plurality of project role groups according to the construction unit information, obtaining a plurality of addition standard parameters based on the project role groups, and applying the system user data to the plurality of addition standard parameters through a clustering algorithm to obtain role group information;

acquiring role level information based on the role grouping information, dividing the current system use permission to obtain a plurality of permission levels, and associating the role level information with the plurality of permission levels to generate permission management information;

And obtaining project setting modules by integrating the system user data, the role grouping information and the authority management information, and obtaining engineering project model parameters based on uploading project characteristics of the project setting modules.

Preferably, in a preferred embodiment of the present invention, the building a BIM model according to the engineering project model parameters, processing the BIM model based on a GIS visualization platform to obtain a GIS visualization model, and obtaining model component information, and specifically includes the following steps:

preprocessing the engineering project model parameters to obtain a preprocessing result, constructing a BIM model based on the preprocessing result, carrying out light weight processing on the BIM model through a light weight engine to obtain specified model file information, and uploading the specified model file information to a system;

acquiring BIM model data according to the specified model file information, and processing the BIM model data by using a GIS visual platform to obtain a GIS visual model;

Acquiring main task information according to the BIM model and the GIS visualization model, decomposing the main task information into a plurality of subtasks, organizing the subtasks according to a hierarchical structure, and establishing a WBS structure tree;

and acquiring all component numbers based on the WBS structure tree, identifying the all component numbers through a mixed numbering algorithm to obtain a model component database, and acquiring model component information based on the model component database.

Preferably, in a preferred embodiment of the present invention, the method for obtaining construction dynamic data of a project, constructing a construction dynamic management model, importing model component information into the construction dynamic management model to obtain component dynamic management information, obtaining cost data based on the model component information, and generating a project management scheme by combining and calculating the cost data and the component dynamic management information, includes the following steps:

Acquiring a cross road map parameter of a construction progress plan, constructing a construction progress plan model based on the cross road map parameter of the construction progress plan, importing the model component information into the construction progress plan model for dynamic simulation to obtain construction progress dynamic data, acquiring construction quality safety information, importing the construction quality safety information into the BIM model to obtain a dynamic quality safety model, and screening out quality safety dynamic data;

Removing and integrating the redundant data of the construction progress dynamic data and the quality safety dynamic data to obtain a construction dynamic database, acquiring construction dynamic data of projects based on the construction dynamic database, and constructing a construction dynamic management model;

Importing the model component information into the construction dynamic management model to obtain a component dynamic management model, obtaining component dynamic management information based on the component dynamic management model, and obtaining cost data according to calculation and analysis of the component dynamic management information;

and fusing and calculating the cost data and the dynamic management information of the components through a Bayesian network to obtain project management data, and drawing a project management scheme according to the project management data.

Preferably, in a preferred embodiment of the present invention, the step of obtaining real-time document update information by extracting a target document in the project management scheme, sorting to obtain project document information, establishing a project information base, and associating the project information base with the model member specifically includes the following steps:

acquiring storage characteristics of folders, calling a target document in the project management scheme, obtaining format attribute information of the target document, grading the storage characteristics of the folders, generating a file archiving scoring system, and obtaining a document scoring index;

Evaluating the format attribute information of the target document according to an analytic hierarchy process to obtain a grading value, carrying out predictive statistics on the grading value and the document grading index based on a linear regression algorithm, constructing a linear regression model, and obtaining a linear relation variable value based on the linear regression model;

Judging whether the linear relation variable value is larger than a preset linear relation variable value, and if so, storing the target file in the folder;

and arranging the stored folders regularly to obtain project document information, establishing a project information base based on the project document information, and associating the project information base with the model component to obtain real-time document updating information.

Preferably, in a preferred embodiment of the present invention, the acquiring real-time monitoring data of a construction site, and regularizing the real-time monitoring data and the real-time document update information to generate a multi-source heterogeneous data set, and embedding the multi-source heterogeneous data set into the GIS visualization model to obtain an engineering BI management cockpit, which specifically includes the following steps:

Acquiring monitoring equipment information of a construction site, connecting the monitoring equipment information of the construction site based on an Internet of things platform to obtain a monitoring database, and acquiring real-time monitoring data according to the monitoring data network;

Extracting the real-time document update information through API call to obtain real-time document update data, and regulating the real-time document update data and the real-time monitoring data to generate a multi-source heterogeneous data set;

performing data cleaning on the multi-source heterogeneous data set, removing redundant and abnormal data, and embedding the multi-source heterogeneous data set subjected to data cleaning into the GIS visual model to obtain a real-time data integration model;

And obtaining a plurality of real-time business data based on the real-time data integration model, and importing the real-time business data into a preset BI management cockpit to obtain the engineering BI management cockpit.

In another aspect, the present invention provides a system for managing digital project of engineering construction based on BIM technology, the system comprises a memory and a processor, the memory stores a program of digital project management method of engineering construction based on BIM technology, and when the program of digital project management method of engineering construction based on BIM technology is executed by the processor, the following steps are implemented:

The invention solves the technical defects existing in the background technology, and has the beneficial technical effects that:

Obtaining engineering project information, constructing a BIM model, processing the BIM model based on a GIS visual platform to obtain a GIS visual model, obtaining model component information, obtaining component dynamic management information by obtaining construction dynamic data of projects, obtaining cost data based on the model component information, generating a project management scheme by combining and calculating the cost data and the component dynamic management information, obtaining real-time document update information by extracting a target document in the project management scheme, generating a multi-source heterogeneous data set by real-time monitoring data of a construction site, and embedding the multi-source heterogeneous data set into the GIS visual model to obtain an engineering BI management cockpit. The invention can complete the integration of various project management data by creating the project construction digital project management system platform based on BIM technology, realize the monitoring of project progress, improve the working efficiency, realize the communication cooperation between the inside and the outside of the project group, promote the information sharing and the knowledge transfer, and save the time and the labor cost.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other embodiments of the drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a method flow diagram of a method for project construction digital project management based on BIM technology;

FIG. 2 illustrates a flow chart of a method for obtaining project setup modules from project information;

FIG. 3 illustrates a flow chart of a method for obtaining model component information via a BIM model;

Fig. 4 shows a system block diagram of an engineering construction digital project management system based on BIM technology.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

The invention provides a digital project management method for engineering construction based on BIM technology, as shown in figure 1, comprising the following steps:

S102, acquiring engineering project information, creating a project setting module based on the engineering project information, and acquiring engineering project model parameters according to the project management module;

S104, constructing a BIM model according to the engineering project model parameters, processing the BIM model based on a GIS (geographic information system) visual platform to obtain a GIS visual model, and obtaining model component information;

S106, acquiring construction dynamic data of projects, constructing a construction dynamic management model, importing model component information into the construction dynamic management model to obtain component dynamic management information, acquiring cost data based on the model component information, and generating a project management scheme by combining and calculating the cost data and the component dynamic management information;

S108, extracting target documents in the project management scheme, sorting to obtain project document information, establishing a project information base, and associating the project information base with the model component to obtain real-time document update information;

S110, acquiring real-time monitoring data of a construction site, and regularly generating a multi-source heterogeneous data set by the real-time monitoring data and the real-time document updating information, and embedding the multi-source heterogeneous data set into the GIS visual model to obtain the engineering BI management cockpit.

The invention can form digital assets through BIM model and project management data, transfer application in the whole life cycle of engineering, create BIM model of engineering project, and comprehensively manage construction factors in engineering construction based on the BIM model, including model management, progress management, quality safety management, cost management, on-site monitoring, etc., build BI management cockpit to monitor in real time, and allocate management authority according to system users, improve quality and efficiency of project management, save manpower resource output, and ensure project completion on time.

Further, in a preferred embodiment of the present invention, the step of obtaining project basic information, creating a project management module based on the project basic information, and obtaining project model parameters according to the project management module specifically includes the following steps:

S202, acquiring engineering project information, establishing an engineering project information base according to the engineering project information, extracting construction unit information from the engineering project information base, obtaining personnel information through the construction unit information, and generating system user data based on the personnel information;

s204, constructing a plurality of project role groups according to the construction unit information, obtaining a plurality of added standard parameters based on the project role groups, and applying the system user data to the added standard parameters through a clustering algorithm to obtain role group information;

s206, acquiring role level information based on the role grouping information, dividing the current system use permission to obtain a plurality of permission levels, and associating the role level information with the plurality of permission levels to generate permission management information;

S208, obtaining a project setting module by integrating the system user data, the role grouping information and the authority management information, and obtaining engineering project model parameters based on the project characteristic uploaded by the project setting module.

It should be noted that, before the construction of the engineering project, the basic information of the engineering needs to be comprehensively known, but at present, the user knows that the engineering construction information is mostly transmitted through paper and notified by social software, so that the information quantity is large, the information is inconvenient to store, the information is easy to lose and miss, and the construction efficiency and quality are reduced. The project information comprises project places, scales, participating units, project propaganda pictures, videos and the like, wherein system users are determined according to the specific number of the participating units, so that the participating unit information is extracted from a project information base, the system users are grouped in functions through a clustering algorithm, the system users can manage projects corresponding to projects conveniently, and project model parameters comprise model sizes, areas, architectures and the like. The invention can realize the omnibearing display of project construction information, and can manage and update the information such as BIM model, project document and the like in real time according to the participating units, thereby improving the project management quality.

Further, in a preferred embodiment of the present invention, the construction of a BIM model according to the engineering project model parameters, and processing the BIM model based on a GIS visualization platform to obtain a GIS visualization model, and obtaining model component information, specifically includes the following steps:

S302, preprocessing the engineering project model parameters to obtain a preprocessing result, constructing a BIM model based on the preprocessing result, performing light weight processing on the BIM model through a light weight engine to obtain specified model file information, and uploading the specified model file information to a system;

s304, BIM model data are obtained according to the specified model file information, and the BIM model data are processed by using a GIS visual platform to obtain a GIS visual model;

s306, acquiring main task information according to the BIM model and the GIS visualization model, decomposing the main task information into a plurality of subtasks, organizing the subtasks according to a hierarchical structure, and building a WBS structure tree;

s308, acquiring all component numbers based on the WBS structure tree, identifying the component numbers through a mixed numbering algorithm to obtain a model component database, and acquiring model component information based on the model component database.

It should be noted that, BIM model management is a precondition of combining BIM technology and project management, and at present, BIM model management function is optimized with hysteresis, so that BIM models are difficult to integrate into a management system, the BIM models do not have visual presentation, management difficulty of the BIM models is greatly increased, and the BIM models are difficult to accurately relate to building components, so that real-time monitoring on engineering progress and quality cannot be performed. Building a BIM model according to engineering project model parameters, carrying out light weight processing on the BIM model to obtain appointed model file information, wherein the appointed model file information comprises coordinate data of the BIM model, can provide accurate position data for GIS visual processing to obtain a GIS visual model, the main task information is the BIM model and all component information presented in the GIS visual model, the main task information is decomposed into a plurality of subtasks to build a WBS structure tree, and the purpose of building the WBS structure tree is to better correlate and manage components, improve BIM model management quality, acquire all component numbers based on the WBS structure tree, and acquire model component information through a mixed numbering algorithm. According to the method, the BIM model is combined with the GIS and the geographic coordinate system, so that the BIM model is a visual model with accurate position, rapid integration of project data is realized, and a manager is assisted in overall control of on-site conditions.

Further, in a preferred embodiment of the present invention, the method includes the steps of obtaining construction dynamic data of a project, constructing a construction dynamic management model, importing model component information into the construction dynamic management model to obtain component dynamic management information, obtaining cost data based on the model component information, and generating a project management scheme by combining and calculating the cost data and the component dynamic management information, and specifically includes the following steps:

It should be noted that, at present, the progress management and quality safety management based on the BIM technology are simple in functions, the progress live condition and the risk assessment are difficult to put in place, the method does not have an excellent decision effect, workers cannot be helped to grasp the engineering condition, and serious errors exist in the progress and the cost data output. The construction progress plan model is a construction progress plan materialization, the construction progress dynamic data are dynamic data during construction and are used for reflecting dynamic information of components, the quality safety dynamic data comprise quality data, safety data, risk assessment data and the like, feedback and early warning can be carried out on quality safety problems of engineering construction, the component dynamic management model formed by the quality safety data and the quality safety data can carry out omnibearing management on the progress of engineering projects and the quality safety module, most of engineering cost is output through the components, so that cost data are obtained from construction dynamic management information, and project management data are obtained by calculating the cost data and the component dynamic management information through a Bayesian network, so that a project management scheme is formulated. The invention can simulate the construction process and completion result of the engineering, project management personnel can grasp the situation of site occurrence in time by checking the BIM model, so as to accelerate decision making, take corrective measures in time and optimize the scheme, improve the problems of reworking and miswork, further improve the working efficiency and reduce error generation.

Further, in a preferred embodiment of the present invention, the method includes the steps of extracting a target document in the project management scheme, sorting to obtain project document information, establishing a project information base, and associating the project information base with the model member to obtain real-time document update information, and specifically includes the following steps:

It should be noted that, during the project management process of the project in the full life cycle of the project, massive document data is generated by each participant of the project, and the conventional document management often causes various data management problems such as data loss, unable confirmation of the final version of the data, and post-supplement of the data due to personnel variation, data delivery, untimely acceptance and the like. And grading the target folder according to the storage characteristics of the folder to generate a file archiving scoring system, so as to obtain a storage scoring index of the folder, performing text category evaluation on the attribute information of the target file to obtain a scoring value, and constructing a linear regression model based on a linear regression algorithm, wherein the linear regression model is a model for recording a linear relation variable value between the scoring index and the scoring value, and if the linear relation variable value is larger than a preset linear relation variable value, the target file can be stored in the target folder, so that the purposes of efficient classified archiving, storage and uploading according to the file attribute are realized, and personalized directory structure management and document operation authority control are supported. The invention realizes centralized and unified management of project files and associated application with the BIM through the BIM and the document management function, effectively ensures the safety, timeliness and reliability of the files and promotes information sharing and knowledge transfer.

Further, in a preferred embodiment of the present invention, the method for obtaining real-time monitoring data of a construction site, and the method for regularly generating a multi-source heterogeneous data set by the real-time monitoring data and the real-time document update information, and obtaining an engineering BI management cockpit by embedding the multi-source heterogeneous data set into the GIS visualization model, specifically includes the following steps:

It should be noted that, the data integration of the engineering project can show the full life cycle, the data extraction and transformation is slow, the data transmission safety, accuracy and timeliness are difficult to ensure, the information error exists in the multi-source isomerization expression of the data, and the efficient integrated display of the engineering data cannot be achieved. Real-time monitoring data are obtained based on an Internet of things platform, the real-time monitoring data comprise BIM model management data, model component operation data, engineering project management data and the like, an API programming interface is used for calling real-time document update information to obtain real-time document update data, the real-time update data comprise real-time progress data, real-time quality safety management data, actual cost data and the like, a multi-source heterogeneous data set formed by the real-time progress data, the real-time quality safety management data and the actual cost data can fully reflect and show the real-time condition of an engineering project, and a plurality of real-time business data are obtained by embedding the multi-source heterogeneous data set based on a GIS (geographic information system) visualization model and are imported into a preset BI management cockpit to obtain the engineering BI management cockpit. According to the invention, by constructing the business collaboration integrated project management system, comprehensive supervision on site progress, quality, safety and the like is realized, a data barrier is opened, scattered multi-source heterogeneous data sources are integrated, interconnection and intercommunication of data and applications are realized, the purpose of whole-process online supervision is achieved, and project management capability and service efficiency are improved.

In addition, the engineering construction digital project management method based on BIM technology further comprises the following steps:

establishing an evaluation model based on a neural network, and importing the construction progress dynamic data into the evaluation model for evaluation to obtain actual progress data;

Different color coding information is obtained, the different color coding information is embedded into the evaluation model to carry out color coding distribution, a progress judging model is generated, the actual progress data is imported into the progress judging model to carry out progress color judgment, and actual progress color information is obtained;

Acquiring a time node based on the actual progress color information, calculating a time difference according to the time node to obtain an actual progress time difference, judging whether the actual progress time difference is larger than a preset progress time difference, if so, judging that the progress state is finished in advance and giving a green mark;

If the time difference is smaller than the preset time difference, judging that the progress state is finished in a lagging way, giving a red mark, calculating the deviation value of the actual progress time difference and the preset progress time difference, generating a construction period prediction scheme based on the deviation value, and uploading the construction period prediction scheme to the engineering BI management cockpit.

It should be noted that, when the project is started, a construction progress plan is made, so as to ensure the construction period to save the cost, and the grasping of the construction progress by each participant is completed in the modes of on-site visit, paper material report and the like, so that the efficiency is low and the construction progress is easily delayed. According to the invention, the state color marking can be effectively carried out on the current actual progress data, whether the actual progress time difference is larger than the preset progress time difference or not is compared, if yes, the current construction progress is judged to be in an advanced completion state and marked as green, if not, the current construction progress is judged to be in a delayed completion state and marked as red, then the deviation value of the actual progress time difference and the preset progress time difference is calculated, the rest progress is estimated based on the deviation value, and a project period estimated scheme is made and uploaded, so that a manager knows whether the current project progress reaches an expected target or not, the delay of the project period caused by the fact that the progress is not followed in time is avoided, the project construction quality and the project rate are improved, and the reliability is high.

In another aspect, the present invention provides a system for managing digital project of engineering construction based on the BIM technology, the management system includes a memory 41 and a processor 42, the memory 41 stores a program of digital project management method of engineering construction based on the BIM technology, and when the program of digital project management method of engineering construction based on the BIM technology is executed by the processor 42, the following steps are implemented:

The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims

1. The engineering construction digital project management method based on the BIM technology is characterized by comprising the following steps of:

acquiring engineering project information, creating a project setting module based on the engineering project information, and acquiring engineering project model parameters according to the project setting module;

acquiring real-time monitoring data of a construction site, regulating the real-time monitoring data and the real-time document updating information to generate a multi-source heterogeneous data set, and embedding the multi-source heterogeneous data set into the GIS visual model to obtain an engineering BI management cockpit;

The method specifically comprises the following steps of:

Acquiring project setting modules by integrating the system user data, the role grouping information and the authority management information, and acquiring engineering project model parameters based on uploading project characteristics of the project setting modules;

The construction dynamic data of the project is acquired, a construction dynamic management model is constructed, the model component information is imported into the construction dynamic management model to obtain component dynamic management information, cost data is acquired based on the model component information, the cost data and the component dynamic management information are combined and calculated, and a project management scheme is generated, and the method specifically comprises the following steps:

the cost data and the dynamic management information of the components are fused and calculated through a Bayesian network to obtain project management data, and a project management scheme is drawn according to the project management data;

2. The method for managing engineering construction digital projects based on BIM technology according to claim 1, wherein the construction of BIM model according to the engineering project model parameters, the processing of BIM model based on GIS visualization platform, obtaining GIS visualization model, and obtaining model component information, specifically comprises the following steps:

3. The method for digitally managing project of engineering construction based on BIM technology according to claim 1, wherein the step of creating a project information base by extracting target documents in the project management scheme, sorting to obtain project document information, and associating the project information base with the model member to obtain real-time document update information comprises the following steps:

4. The method for managing engineering construction digital projects based on the BIM technology according to claim 1, wherein the method for acquiring real-time monitoring data of a construction site, generating a multi-source heterogeneous data set by regularizing the real-time monitoring data and the real-time document update information, and obtaining an engineering BI management cockpit by embedding the multi-source heterogeneous data set into the GIS visualization model comprises the following steps:

5. The engineering construction digital project management system based on the BIM technology is characterized by comprising a memory and a processor, wherein the memory stores an engineering construction digital project management method program based on the BIM technology, and when the engineering construction digital project management method program based on the BIM technology is executed by the processor, the following steps are realized:

The method specifically comprises the following steps of:

6. The digital project management system for engineering construction based on BIM technology according to claim 5, wherein the construction dynamic data of the project is obtained, a construction dynamic management model is constructed, the model component information is imported into the construction dynamic management model to obtain component dynamic management information, cost data is obtained based on the model component information, and the cost data and the component dynamic management information are combined and calculated to generate a project management scheme, and the digital project management system specifically comprises the following steps:

7. The digital project management system for engineering construction based on BIM technology according to claim 5, wherein the method comprises the steps of extracting target documents in the project management scheme, sorting to obtain project document information, building a project information base, associating the project information base with the model component, and obtaining real-time document update information, and specifically comprises the following steps:

8. The digital project management system for engineering construction based on the BIM technology according to claim 5, wherein the method for obtaining real-time monitoring data of a construction site, and the method for regularly generating a multi-source heterogeneous data set by the real-time monitoring data and the real-time document update information, and obtaining the engineering BI management cockpit by embedding the multi-source heterogeneous data set into the GIS visualization model, specifically includes the following steps: