CN108537440A - A kind of building scheme project management system based on BIM - Google Patents
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Abstract
The invention discloses a kind of, and the building scheme project management system based on BIM includes solution formulation module and Dynamic Programming module, and optimal processing module is connected between solution formulation module and the port of Dynamic Programming module；Solution formulation module includes BIM engineering units and WBS task node allocation units, and the output of WBS task node allocation units is connected with dynamic project amount administrative unit；Dynamic Programming module includes resource management database, and the reading and writing data end of resource management database is connected with cost and implements tracking cell, and cost implements tracking cell input terminal and is connected with scheme implementation unit；Optimal processing module includes risk assessment unit and stage statistic unit, and the data output end of stage statistic unit is connected with engineering optimization unit；The present invention realizes the total digitalization processing to large-scale construction engineering, can easily carry out task scheduling arrangement and project cost statistics, and can also carry out dynamic optimization processing according to performance, realize that engineering optimizes.
Description
Technical field
The present invention relates to engineering management field, specially a kind of building scheme project management system based on BIM.
Background technology
The annual production output value of building trade is one of the important component of the annual GDP extra earnings in China, and with its people
Each face of each side of life is all closely bound up, and at the same time building trade has also been established for the construction process of China's modernization important
Basis.By development in recent decades, the system of information management of China's building trade although have been achieved for it is long-range into
Step, but also have a certain distance compared to the Asian-Pacific countries such as European and American developed countries and Hong Kong, South Korea.Currently, at me
The customization of construction plan is matched with the shortage dynamic fundamentals of management, Resource In Construction Project is constituted in state's construction-engineering project construction management
It sets and does not implement in time.Due to lacking time dimension, traditional construction management mechanism is often directed to engineering project
Whole management, causes the configuration of engineering cost and resource data to disconnect with task.Engineering cost is carried out according to the resource of overall process
Data summarization, project manager can not in the construction process in real time, be rapidly performed by the calculating of project data, the reality of progress
Value and the continuous comparison of a reference value experience bottleneck, cause the construction stage be difficult to carry out mobilism, fining management.
BIM is a kind of application of digital information, can be used for design, a kind of digital management method built and managed
It is not simply to collect digital information, and is that architectural engineering can be made to significantly improve effect in its whole progress
Rate, a large amount of methods for reducing risk probability are to support the integrated management environment of architectural engineering.
For example, application publication number is 107464064A, a kind of architectural engineering based on BIM network technologies that patent name is
Management system platform, including BIM databases, client, data collector, data converter, central processing unit, BIM building letter
Module and memory are ceased, the output end signal of BIM databases is connected to the input terminal of client, and the output end signal of client connects
It is connected to the input terminal of data collector, the output end signal of data collector is connected to the input terminal of data converter, and data turn
The output end signal of parallel operation is connected to the input terminal of central processing unit, the output end of central processing unit be separately connected memory and
BIM architecture information modules.A kind of Project Management System platform based on BIM network technologies that the invention provides, by applying
Work is simulated, and can be increased project and be participated in understanding of each side to project content and completion engineering safeguard measure.Work progress it is visual
Change, so that BIM is become an intercourse platform for participating in each side's exchange convenient for construction, but the invention has the following defects：
(1) it although the system can be convenient for each side's communication by visualization and engineering simulation, does not have certainly
The function of dynamic digitlization task allocation processing；
(2) system does not have automatic planning and optimization processing function, can not automatically be adjusted to engineering real-time proposals
It is whole, Dynamic Programming distribution can not be carried out to resource.
Invention content
In order to overcome the shortcomings of that prior art, the present invention provide a kind of building scheme engineering management system based on BIM
System can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of building scheme project management system based on BIM includes the solution formulation module for formulating construction plan
With the Dynamic Programming module for being arranged into construction, the data feedback interaction end of the solution formulation module and Dynamic Programming module
The optimal processing module for carrying out scheme optimization is connected between mouthful；
The solution formulation module includes the BIM engineering units modeled based on BIM technology, the number of the BIM engineering units
It is connected with the WBS task node allocation units for engineering duty to be decomposed to refinement, the WBS task nodes distribution according to read-write end
Unit output task flow information terminal is connected with the dynamic project amount administrative unit for carrying out task performance statistics, described dynamic
State engineering management unit exports engineering stream information to Dynamic Programming module；
The Dynamic Programming module includes the resource management database for carrying out market resource statistics and cost budgeting, institute
The reading and writing data end for stating resource management database is connected with and expends that implement tracking with the cost of progress single for dynamically recording engineering
Member, the cost progress input terminal of the cost implementation tracking cell, which is connected with the scheme for carrying out task flow allocation managing, to be implemented
Unit；The task flow input terminal of the scheme implementation unit is interconnected with dynamic project administrative unit, and scheme implementation unit is anti-
Feedback adjustment data terminal is interconnected with optimal processing module；
The optimal processing module includes risk assessment unit for carrying out arrangement and method for construction evaluation and for constructing
Current generation consume with budget management, quality, the duration statistics stage statistic unit, the input terminal of the stage statistic unit with
The output end of cost real-time tracking system is connected, and the data output end of stage statistic unit is connected with engineering optimization unit, described
Engineering optimization unit includes for judging most current cost and budget relationship, the work that whether construction quality is up to standard and whether the duration is enough
Journey detection unit and optimization updating unit for carrying out engineering optimization, the optimization updating unit is for exporting prioritization scheme extremely
The feedback regulation end of scheme implementation unit.
Further, the BIM engineering units include the BIM modeling units and use for building three-dimensional engineering three-dimensional model
Database is managed in five BIM tieed up of storage 3D buildings models, time, process data, the BIM modeling units are for passing through
Requirements of the owner is converted into 3D models and exports 3D model datas to BIM management databases, the BIM pipes by BIM modeling techniques
Reason database is built-in with data summarization, statistics and splits computing module, and BIM management database outputs summarize engineering duty and flow to
WBS task node allocation units.
Further, the WBS task nodes allocation unit is built-in with the WBS for being decomposed engineering duty step by step
The task resolution stream output end of Task Tree, the WBS Task Trees is connected with for carrying out task with resource to match corresponding money
Source mapping graph, the resource map export the task stream information after mapping to Dynamic Programming module.
Further, it is provided with parallel in the dynamic project amount administrative unit for counting the distribution for having distributed task amount
Counter and for counting the completion counter that task amount is completed, the distribution counting device is exported with the counting for completing counter
End, which is connected with, summarizes adder, the task stream information after the resource map output mapping to Dynamic Programming module.
Further, dynamic is divided into the existing resource library for storing current total resources in the resource management database
With the cost counter for counting every expense, in the existing resource library storage include assignable material, manpower and
Machine resource, the cost counter is for calculating goods and materials cost, human cost, tax, administration fee expense.
Further, the implementation of the scheme implementation unit includes the following steps：
Step 101：Engineering information stream is read from resource management database, and each department's task is arranged according to node resource；
Step 102：Each node department receives an assignment and Real-time Feedback Task Progress and expense, is written to when exporting fructufy
This real-time tracking system；
Step 103：Current construction implementation progress, surplus resources and cost overhead are analyzed, receives to come from optimal processing mould
The optimization amending advice of block adjusts task scheduling distribution in time.
Further, the optimization updating unit is built-in with the engineering simulation that the newest resource in market is obtained for connecting network
Database and optimization computation processor for storing a variety of optimization algorithms.
Further, the risk assessment unit is built-in with the risk based on machine learning and estimates support vector machines and be used for
Store the training pattern library of availability risk case, the data at the prediction data end and stage statistic unit of the risk assessment unit
Output end is connected the real time data for obtaining most current cost and budget relationship.
Further, the optimization method of the engineering optimization unit includes the following steps：
The optimization method of the engineering optimization unit includes the following steps：
Step 201:Engineering detecting unit obtained from stage statistic unit the consumption of current engineering manpower's material resources totle drilling cost,
Current engineering completes quality and remaining time duration；
Step 202：Whether the current construction quality of engineering detecting unit judges meets design requirement, is unsatisfactory for, is directly entered
Optimize updating unit；Judge in next step if satisfied, entering；
Step 203：Judge whether can be completed within the regulation duration according to current construction speed, if cannot, directly
Into optimization updating unit, if satisfied, then carrying out next step judgement；
Step 204：When quality and duration, which are satisfied by, to be required, according to current engineering consuming cost and rdu remaining duration, estimation
Residue needs cost, by totle drilling cost compared with budget, is unsatisfactory for then entering optimization updating unit；
Step 205：The optimization computation processor of optimization updating unit receives the engineering that the needs that upper layer transport comes optimize
Parameter amount reads relevant available data information from engineering simulation database and sets optimization according to different Optimal Parameters
Threshold value, according to the corresponding optimization method of the general optimum scheme choice in market, the re-optimization for carrying out scheme calculates, and obtains optimal apply
Work scheme；
Step 206：By the Job Scheduling scheme writing scheme implementation unit after optimization, the update tune to arrangement and method for construction is completed
It is whole.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) the present invention is based on BIM technologies, and 3 D stereo building scheme is converted into comprising detailed using BIM engineering units
The mathematical model of engineering information is convenient for programming automatic planning management；By the way that WBS task node allocation units are arranged, it is based on
WBS technologies resolve into task tree-model by engineering duty is top-down, and overall tasks are detail, are managed in conjunction with dynamic project buret
The distribution of the programming management to huge engineering duty may be implemented in unit, greatly improves the efficiency and accuracy to engineering management, has
Effect reduces the error rate manually counted；
(2) present invention realizes the dispatching distribution of task flow by the way that Dynamic Programming module, Utilization plan implementation unit is arranged, and
And resource planning distribution is carried out using resource management database, while tracking cell is implemented to real time resources and task based on cost
Mobile state planning processing is flowed into, statistics and the processing of the work of engineering residue are convenient for, and can realize the reality to construction budget
Shi Jilu prevents from excessing budget；
(3) present invention in systems carries out embodiment using risk assessment unit by the way that optimal processing module is arranged
Risk assessment, the algorithm based on machine learning obtain training pattern, are estimated to carry out risk according to current engineering progress situation
Judge, and by the way that engineering optimization unit is arranged, detailed analysis judgement is carried out the reason of when risk occur to causing risk, then
Select optimization algorithm alignment processing appropriate, realize to the optimization of the adjust automatically of engineering proposal so that engineering complete quality and
Efficiency greatly improves.
Description of the drawings
Fig. 1 is the system flow chart of the present invention.
Figure label：
1- solution formulation modules；2- Dynamic Programming modules；3- optimal processing modules；
101-BIM engineering units；102-WBS task node allocation units；103- dynamic project amount administrative units；104-
WBS Task Trees；105- resource maps；106- distribution counting devices；107- completes counter；108- summarizes adder；109-BIM
Manage database；110-BIM modeling units；
201- resource management databases；202- costs implement tracking cell；203- scheme implementation units；204- existing resources
Library；205- cost counters；
301- risk assessment units；302- stage statistic units；303- engineering optimization units；304- engineering simulation data
Library；305- optimizes computation processor；306- risks estimate support vector machines；307- training patterns library；308- engineering detecting units；
309- optimizes updating unit.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of building scheme project management system based on BIM, including be used to formulate
The solution formulation module 1 of construction plan and Dynamic Programming module 2 for being arranged into construction, the solution formulation module 1 with it is dynamic
The optimal processing module 3 for carrying out scheme optimization is connected between the data feedback interaction port of state planning module 2；The side
Case formulates module 1 and formulates arrangement and method for construction for making 3D solid buildings models, and by building Task-decomposing, passes through Dynamic Programming
Module 2 carries out dynamic task allocation, and using optimal processing module 3 to construction scheme optimization, reduction of speeding up the work is pre-
It calculates.
In the present embodiment, the solution formulation module 1 includes the BIM engineering units 101 modeled based on BIM technology, institute
The reading and writing data end for stating BIM engineering units 101 is connected with for engineering duty to be decomposed the WBS task node allocation units refined
102, the WBS task nodes allocation unit 102 exports task flow information terminal and is connected with for carrying out task performance statistics
Dynamic project amount administrative unit 103, the dynamic project administrative unit 103 exports engineering stream information to Dynamic Programming module 2.
Supplementary explanation, BIM, that is, Virtual Building model are created using Computerized three-dimensional software tool comprising building work
Complete mathematical model in journey project, and include detailed engineering information in the model, it can be by these models and Information application
In the full life cycle environment assessment management such as the design process of architectural engineering, construction management and property and operation management；Based on BIM
Technology can coordinate each participant of project, enable them in the lifecycle process of engineering project carry out information sharing and
It cooperates, reforms information transmission mechanism.
The BIM engineering units 101 include BIM modeling units 110 for building three-dimensional engineering three-dimensional model and are used for
The five BIM management databases 109 tieed up of 3D buildings models, time, process data are stored, the BIM modeling units 110 are for leading to
Cross BIM modeling techniques requirements of the owner is converted into 3D models and export 3D model datas to BIM manage database 109, it is described
BIM management databases 109 are built-in with data summarization, statistics and split computing module, and the BIM management outputs of database 109 summarize work
Journey task flow to WBS task nodes allocation unit 102.
In solution formulation module 1, BIM engineering units 101 establish 3 D digital model, and relevant engineering is detailed
In information input to WBS task nodes allocation unit 102, the WBS task nodes allocation unit 102 is built-in with for by engineering
The WBS Task Trees 104 that task is decomposed step by step, 104 task flow output end of the WBS Task Trees be connected with for by task with
Resource carries out matching corresponding resource impact Figure 105；The WBS Task Trees 104 are by engineering construction task according to the side of multiway tree
Formula resolves into each node tasks, then resource impact Figure 105 is utilized to appoint each node from top layer distribution refinement step by step downwards
Business figure is matched with each site resource, is obtained preliminary real-time proposals and is supplied to Dynamic Programming module 2.
The Dynamic Programming module 2 includes the resource management database for carrying out market resource statistics and cost budgeting
201, the reading and writing data end of the resource management database 201 is connected with to be expended and the cost of progress reality for dynamically recording engineering
Tracking cell 202 is applied, the cost progress input terminal that the cost implements tracking cell 202 is connected with for carrying out task flow distribution
The scheme implementation unit 203 of management；The task flow input terminal of the scheme implementation unit 203 and dynamic project administrative unit 103
Interconnection, and the feedback adjustment data terminal of scheme implementation unit 203 is interconnected with optimal processing module 3.
In the present embodiment, the optimal processing module 3 includes the risk assessment unit for carrying out arrangement and method for construction evaluation
301 and for carry out construction the current generation consumption with budget management, quality, the duration statistics stage statistic unit 302, the rank
The input terminal of section statistic unit 302 is connected with the output end of cost real-time tracking system 202, the data of stage statistic unit 302
Output end is connected with engineering optimization unit 303, and the engineering optimization unit 303 includes for judging that most current cost is closed with budget
System, the engineering detecting unit 308 that whether construction quality is up to standard and whether the duration is enough and for carrying out the optimization of engineering optimization more
New unit 309, the optimization updating unit 309 is for exporting prioritization scheme to the feedback regulation end of scheme implementation unit 203.
Preferably, it is provided with parallel in the dynamic project amount administrative unit 103 and has distributed task amount for counting
Distribution counting device 106 and for counting the completion counter 107 that task amount is completed, the distribution counting device 106 with complete to count
The terminal count output of number device 107, which is connected with, summarizes adder 108, and the feedback end for summarizing adder 108 introduces engineering optimization
303 output adjustment task flow of unit.When dynamic project amount administrative unit 103 is started to work, pass through distribution counting device 106 on one side
Currently allocated task is calculated, task is completed using the calculating of counter 107 is completed, then calculate by summarizing adder 108
To remaining workload, to realize that the dynamic management for quantities operates.
Dynamic is divided into the existing resource library for storing current total resources in the resource management database 201 described first
204 and the cost counter 205 for counting every expense, in the existing resource library 204 storage include assignable material,
Manpower and machine resource, the cost counter 205 include goods and materials cost, human cost, tax, administration fee.Resource management
Data base manipulation existing resource library 204 carries out real-time statistics to existing human resources, goods and materials instrument etc., then passes through cost meter
Number device 205 carries out pool calculating according to the engineering construction scheme that solution formulation module 1 obtains, and obtains preliminary construction budget and money
Source splitting scheme.
It, will be according to following implementation when scheme implementation unit 203 starts to start：Step 101：From resource management number
According to engineering information stream is read in library 201, each department's task is arranged according to node resource；Step 102：Each node department receives an assignment
And Real-time Feedback Task Progress and expense, write-in cost real-time tracking system 202 when exporting fructufy；Step 103：Analysis is current
Engineering construction progress, surplus resources and cost overhead receive the optimization amending advice from optimal processing module 3, adjust in time
Whole task scheduling distribution.
While the scheme of progress is real-time, the record engineering expense in real time of tracking cell 202 is implemented by cost, when expense is super
When crossing budget, optimal processing module 3 will be started and optimize processing processing.
It further illustrates, the optimization updating unit 309 is built-in with obtains the newest resource in market for connecting network
Engineering simulation database 304 and optimization computation processor 305 for storing a variety of optimization algorithms；The risk assessment unit
301, which are built-in with the risk based on machine learning, estimates support vector machines 306 and the training pattern for storing availability risk case
The prediction data end in library 307, the risk assessment unit 301 is connected with the data output end of stage statistic unit 302 for obtaining
Take the real time data of most current cost and budget relationship.
When optimal processing module 3 starts, risk assessment unit 301 will be started first, pass through risk support vector first
Machine 306 is obtained the assessment threshold value for risk size, has been trained by the existing model in training pattern library 307, automatic study
Real-time duration of current engineering, construction quality, cost consumption etc. will be obtained by stage statistic unit 302 after, passes through training
Good model is predicted, engineering risk is judged whether there is, and if there is risk, then star up engineering optimizes unit 303, if not having
It does not deal with then.
In the present embodiment, after engineering optimization unit 303 starts engineering is carried out according to following below scheme：Step 201:Engineering is examined
It surveys unit 308 and obtains the totle drilling cost of current engineering manpower's material resources consumption, current engineering completion quality from stage statistic unit 302
And remaining time duration；Step 202：Engineering detecting unit 308 judges whether current construction quality meets design requirement, is discontented with
It is sufficient then be directly entered optimization updating unit 309；Judge in next step if satisfied, entering；Step 203：Judge according to current construction
Whether progress can be completed within the regulation duration, if cannot, it is directly entered optimization updating unit 309, if satisfied, then carrying out down
One step judges；Step 204：When quality and duration, which are satisfied by, to be required, according to current engineering consuming cost and rdu remaining duration, estimation
Residue needs cost, by totle drilling cost compared with budget, is unsatisfactory for then entering optimization updating unit 309；Step 205：Optimization update
The optimization computation processor 305 of unit 309 receives the engineering parameter amount that the needs that upper layer transport comes optimize, according to different excellent
Change parameter, reads relevant available data information from engineering simulation database 304 and set optimization threshold value, it is general according to market
The corresponding optimization method of optimum scheme choice, the re-optimization for carrying out scheme calculate, and obtain optimal construction plan；Step 206：It will
Job Scheduling scheme writing scheme implementation unit 203 after optimization is completed the update to arrangement and method for construction and is adjusted.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (9)
1. a kind of building scheme project management system based on BIM, it is characterised in that：It include the scheme for formulating construction plan
Formulate module (1) and the Dynamic Programming module (2) for being arranged into construction, the solution formulation module (1) and Dynamic Programming mould
The optimal processing module (3) for carrying out scheme optimization is connected between the data feedback interaction port of block (2)；
The solution formulation module (1) includes the BIM engineering units (101) modeled based on BIM technology, the BIM engineering units
(101) reading and writing data end is connected with the WBS task nodes allocation unit (102) for engineering duty to be decomposed to refinement, described
WBS task nodes allocation unit (102) output task flow information terminal is connected with the dynamic for carrying out task performance statistics
Quantities administrative unit (103), the dynamic project administrative unit (103) export engineering stream information to Dynamic Programming module (2)；
The Dynamic Programming module (2) includes the resource management database for carrying out market resource statistics and cost budgeting
(201), the reading and writing data end of the resource management database (201) be connected with for dynamically recording engineering expend with progress at
This implementation tracking cell (202), the cost progress input terminal that the cost implements tracking cell (202) are connected with for being appointed
The scheme implementation unit (203) that business stream allocates management of；The task flow input terminal and dynamic project of the scheme implementation unit (203)
Administrative unit (103) interconnects, and the optimization of the feedback adjustment data terminal of scheme implementation unit (203) and optimal processing module (3)
Scheme output end interconnects；
The optimal processing module (3) includes risk assessment unit (301) for carrying out arrangement and method for construction evaluation and for carrying out
The stage statistic unit (302) that current generation consumption of constructing is counted with budget management, quality, duration, the stage statistic unit
(302) input terminal is connected with the output end of cost real-time tracking system (202), the data output of stage statistic unit (302)
End is connected with engineering optimization unit (303), and the engineering optimization unit (303) includes for judging that most current cost is closed with budget
System, the engineering detecting unit (308) that whether construction quality is up to standard and whether the duration is enough and the optimization for carrying out engineering optimization
Updating unit (309), the optimization updating unit (309) is for exporting prioritization scheme to the feedback of scheme implementation unit (203)
Adjustable side.
2. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：The BIM
Engineering unit (101) includes BIM modeling units (110) for building three-dimensional engineering three-dimensional model and builds mould for storing 3D
Type, the time, process data five dimensions BIM management databases (109), the BIM modeling units (110) by BIM for being built
Requirements of the owner is converted into 3D models and exports 3D model datas to BIM management databases (109), the BIM pipes by mould technology
Reason database (109) is built-in with data summarization, statistics and fractionation computing module based on BIM administrative skills, BIM management databases
(109) output summarizes engineering duty and flow to WBS task nodes allocation unit (102).
3. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：The WBS
Task node allocation unit (102) is built-in with the WBS Task Trees (104) for being decomposed engineering duty step by step, the WBS
The task resolution stream output end of Task Tree (104) is connected with for carrying out task with resource to match corresponding resource map
(105), the resource map (105) exports the task stream information after mapping to Dynamic Programming module (2).
4. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：It is described dynamic
It is provided with parallel in state quantities administrative unit (103) and has distributed the distribution counting device (106) of task amount for counting and be used for
The completion counter (107) of task amount, the distribution counting device (106) and the counting for completing counter (107) is completed in statistics
Output end, which is connected with, summarizes adder (108), and the adder (108) that summarizes exports engineering performance to resource management data
Library (201).
5. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：The money
Dynamic is divided into existing resource library (204) for storing current total resources and each for counting in source control database (201)
The cost counter (205) of item expense, the interior storage of the existing resource library (204) includes assignable material, manpower and machine
Tool resource, the cost counter (205) is for calculating goods and materials cost, human cost, tax, administration fee expense.
6. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：The side
The implementation of case implementation unit (203) includes the following steps：
Step 101：From engineering information stream is read in resource management database (201), each department's task is arranged according to node resource；
Step 102：Each node department receives an assignment and Real-time Feedback Task Progress and expense, and write-in cost is real when exporting fructufy
When tracking system (202)；
Step 103：Current construction implementation progress, surplus resources and cost overhead are analyzed, receives to come from optimal processing module (3)
Optimization amending advice, in time adjust task scheduling distribution.
7. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：It is described excellent
Change updating unit (309) to be built-in with the engineering simulation database (304) for connecting the network acquisition newest resource in market and be used for
Store the optimization computation processor (305) of a variety of optimization algorithms.
8. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：The wind
Dangerous assessment unit (301) is built-in with the risk based on machine learning and estimates support vector machines (306) and for storing availability risk
The training pattern library (307) of case, prediction data end and the stage statistic unit (302) of the risk assessment unit (301)
Data output end is connected the real time data for obtaining most current cost and budget relationship.
9. a kind of building scheme project management system based on BIM according to claim 1, it is characterised in that：The work
The optimization method of Cheng Youhua units (303) includes the following steps：
Step 201:Engineering detecting unit (308) obtains what current engineering manpower's material resources consumed from stage statistic unit (302)
Totle drilling cost, current engineering complete quality and remaining time duration；
Step 202：Engineering detecting unit (308) judges whether current construction quality meets design requirement, be unsatisfactory for then directly into
Enter to optimize updating unit (309)；Judge in next step if satisfied, entering；
Step 203：Judge whether can be completed within the regulation duration according to current construction speed, if cannot, it is directly entered
Optimize updating unit (309), if satisfied, then carrying out next step judgement；
Step 204：When quality and duration, which are satisfied by, to be required, according to current engineering consuming cost and rdu remaining duration, estimation is remaining
Cost is needed, by totle drilling cost compared with budget, is unsatisfactory for then entering optimization updating unit (309)；
Step 205：What optimization computation processor (305) the reception upper layer transport of optimization updating unit (309) came needs to optimize
Engineering parameter amount read relevant available data information simultaneously from engineering simulation database (304) according to different Optimal Parameters
And setting optimization threshold value, according to the corresponding optimization method of the general optimum scheme choice in market, the re-optimization for carrying out scheme calculates,
Obtain optimal construction plan；
Step 206：By the Job Scheduling scheme writing scheme implementation unit (203) after optimization, the update to arrangement and method for construction is completed
Adjustment.
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