CN117852838B - BIM-based municipal engineering construction progress intelligent management platform - Google Patents
BIM-based municipal engineering construction progress intelligent management platform Download PDFInfo
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Abstract
The invention discloses a municipal engineering construction progress intelligent management platform based on BIM, which relates to the technical field of BIM, and the technical key points of the scheme are as follows: and comparing the actually completed building component with the corresponding component in the plan, and the difference between the actual construction progress and the progress plan, calculating to obtain the progress delay time between the actual construction progress and the plan progress of the total project, when the progress delay time is greater than or equal to the progress threshold value, calculating the smoothness of the approval process through the processing time required by each node of the approval process and the application quantity of each node, calculating the comprehensive stability of the building component through the construction stability of constructors, the material supply stability of construction materials and the operation stability of construction equipment, and notifying related personnel to take corresponding measures when the comprehensive stability of the building component is less than the stability threshold value, so that the construction progress is accurately evaluated, the problem in the construction process is timely found, and the construction progress is quickened.
Description
Technical Field
The invention relates to the technical field of BIM, in particular to an intelligent management platform for municipal engineering construction progress based on BIM.
Background
Along with the acceleration of the urban process, the municipal engineering construction scale is continuously expanded, the management requirement on the construction progress is also higher and higher, the BIM technology is short for building information models, all information in the whole life cycle of the building engineering is integrated based on the three-dimensional models, the information of each link including design, construction, operation and the like is integrated, the digitization, visualization, coordination and intellectualization of the building information can be realized through the BIM technology, and in the municipal engineering construction progress management, the three-dimensional models containing relevant information such as the building information, the size quantity, the component materials and the like can be constructed by utilizing the BIM technology, so that the construction progress can be effectively managed and controlled.
In the Chinese application with the application publication number of CN116596706A, a municipal engineering intelligent building site management system based on BIM is disclosed, which comprises a management platform, a personnel management module, a device management module, an environment management module, a site monitoring module and a BIM module; the personnel management module collects information of construction operators in the site and visitors outside the site and uploads the information to the management platform; the equipment management module collects information and operation states of large-scale construction operation equipment in the site and uploads the information and the operation states to the management platform; the environment monitoring module monitors environment data in and around the construction operation site and uploads the data to the management platform, and the platform sends an alarm instruction according to the alarm value; the site monitoring module returns the pictures in the construction operation site to the management platform in real time; the BIM module converts the whole engineering into a three-dimensional BIM model, and intuitively observes the details of the engineering and the construction progress.
In the Chinese application of the application publication No. CN114580752A, an intelligent management system for engineering construction progress based on BIM technology is disclosed. The engineering construction progress intelligent management system based on the BIM technology comprises: the system comprises a tunnel engineering BIM model information acquisition module, a tunnel engineering dividing module, a tunnel engineering reference information acquisition module, a similar tunnel construction information acquisition module, a tunnel database, a similar tunnel construction information analysis module, a preset construction information optimization module, a tunnel engineering actual construction information acquisition module, a construction progress comparison analysis module and a construction progress management terminal.
In combination with the above invention, the prior art has the following disadvantages:
1. Lack of fine analysis of municipal engineering quantities: in the prior art, the whole project is decomposed into a plurality of relatively independent and easily-managed sub-projects to evaluate the resources and time required by each part, the current construction progress is determined according to the time node of each construction task, the engineering quantity of municipal engineering is not fully analyzed by using a BIM model, and the construction progress cannot be accurately evaluated due to the fact that the engineering quantity of each building component and the time weight of each building component in the whole construction process cannot be specifically analyzed;
2. The construction progress deviation causes are not analyzed enough: when the deviation of the construction progress is found, the prior art does not deeply explore the root cause of the construction progress, and the role of flow approval in the construction process is of great importance, and various decisions, audits and approvals are involved to ensure the construction quality and safety. However, the prior art only analyzes the construction process, and does not consider the influence of process approval, construction personnel, construction materials, and construction equipment.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a municipal engineering construction progress intelligent management platform based on BIM, which is used for comparing construction site data acquired in real time with data in a BIM model, comprising the steps of comparing an actually completed building component with a corresponding component in a plan and the difference between the actual construction progress and the progress plan, calculating to obtain the progress delay time between the actual construction progress of the total engineering and the progress plan, sending out early warning when the progress delay time is greater than or equal to a progress threshold value, calculating the fluency of the approval process by the processing time required by each node of the approval process and the application quantity of each node, calculating the comprehensive stability of the building component by the construction stability of constructors, the material supply stability of construction materials and the operation stability of construction equipment, and informing related personnel to take corresponding measures when the comprehensive stability of the building component is smaller than the stability threshold value, thereby solving the problems in the background technology.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: BIM-based municipal engineering construction progress intelligent management platform comprises: the system comprises a BIM model management module, a progress planning module, a progress monitoring module, a progress analysis module and an early warning and scheduling module; wherein,
The BIM model management module is used for establishing a BIM model containing professional information of a building, a structure and a pipeline according to design drawings and construction requirements of municipal engineering by utilizing professional BIM modeling software, and maintaining and updating the BIM model;
The progress plan module extracts all construction-related information from the BIM model, including materials, sizes, weights and preset construction sequences, automatically generates a construction plan by using construction plan making software or tools, examines the automatically generated progress plan, checks whether logic errors or resource conflicts exist, and adjusts and optimizes the progress plan;
The progress monitoring module is used for collecting construction site data in real time through the Internet of things technology and the sensor technology, so that the construction progress is monitored in real time, and the construction progress, the construction environment and the operation state data of construction equipment are included;
The progress analysis module is used for comparing the construction site data acquired in real time with the data in the BIM model, wherein the comparison comprises the comparison of the actually completed building components with corresponding components in the plan and the difference between the actual construction progress and the progress plan, and the progress delay time between the actual construction progress of the total project and the plan progress is calculated and obtained;
the early warning and analyzing module is used for presetting a progress threshold value, sending out early warning when the progress delay time is greater than or equal to the progress threshold value, analyzing the approval process, and calculating the smoothness of the approval process through the processing time required by each node of the approval process and the application number of each node;
the construction analysis module calculates the comprehensive stability of the building component through the construction stability of constructors, the material supply stability of construction materials and the operation stability of construction equipment, and when the comprehensive stability of the building component is smaller than a stability threshold value, the construction analysis module indicates that the constructors, the construction materials and the construction equipment have problems and informs relevant personnel to take corresponding measures.
Further, each parameter and calculation formula are set in the form attribute of each building element of the model, the parameter comprises size, material and quantity information, and the form is used for directly counting the planned engineering quantity of all building elements.
Further, comparing the construction site data acquired in real time with the data in the BIM model, wherein the comparison comprises the steps of comparing the actually completed building components with the corresponding components in the plan, obtaining the completed engineering quantity of each component, and calculating and obtaining the weight corresponding to each building component through the planned engineering quantity and the completed engineering quantity of each building component.
Further, based on the current time node, the difference between the actual construction progress and the progress plan is compared, and the progress delay time between the actual construction progress of the total project and the planned progress is calculated and obtained, wherein the calculation formula is as follows:
，
Wherein Δt represents a progress delay time, T now represents a current date, T start represents a planned construction date, T end represents a planned completion date, ωi represents a weight of the i-th building element, i=1, 2,...
Further, a progress threshold is preset, when the progress delay time is greater than or equal to the progress threshold, early warning is sent out, the flow approval process is analyzed, the processing time required by each node of the approval process is obtained, the time for approving the application by an approver is included, and the application quantity of each node including the refused application quantity and the total application quantity is counted.
Further, the fluency of the approval process is calculated through the processing time required by each node of the approval process and the application quantity of each node, a fluency threshold is preset, and when the fluency of the approval process is greater than the fluency threshold, the approval process is described to have a problem, and the requirement of optimizing each node in the approval process is prompted.
Further, the material supply stability of the construction material is calculated and acquired by construction material information of the building element including an actual supply amount, a planned demand amount, an actual arrival time, and a planned arrival time.
Further, the operation stability of the construction equipment is calculated and obtained through construction equipment information of the building components, including equipment normal operation time, total operation time and failure rate.
Further, the operation stability of the construction equipment is calculated and obtained through construction equipment information of the building components, including equipment normal operation time, total operation time and failure rate.
Further, the construction stability of the construction personnel, the material supply stability of the construction material and the operation stability of the construction equipment are comprehensively evaluated, the comprehensive stability of the building component is calculated, a stability threshold is preset, when the comprehensive stability of the building component is smaller than the stability threshold, the construction personnel, the construction material and the construction equipment are indicated to have problems, and the management personnel is informed of taking corresponding measures.
(III) beneficial effects
The invention provides a municipal engineering construction progress intelligent management platform based on BIM, which has the following beneficial effects:
(1) The construction site data are collected in real time and compared with the data in the BIM model, so that the actual construction progress is known more accurately, the progress deviation is found timely, the monitoring precision of the construction progress is accelerated, the configuration of construction resources is adjusted timely by comparing the difference between the actual construction progress and the progress plan, the use of manpower, material resources and financial resources is optimized, and the construction progress is guaranteed effectively.
(2) By analyzing the approval process, the efficiency and fluency of the approval process are evaluated, so that problems and bottlenecks existing in the approval process can be found timely, redundancy, inefficiency or unreasonable links existing in the process are found, and then targeted optimization suggestions are provided, so that the approval efficiency and accuracy are improved, and the construction progress is further accelerated.
(3) By comprehensively analyzing the construction stability of constructors, the material supply stability of construction materials and the operation stability of construction equipment, potential problems and unstable factors are found in time, and the method is beneficial to taking measures in advance to prevent and correct the problems, so that the influence of problem expansion on the construction progress and the engineering quality is avoided.
Drawings
FIG. 1 is a schematic diagram of a municipal engineering construction progress intelligent management platform structure based on BIM;
Fig. 2 is a schematic diagram of a municipal engineering construction progress intelligent management flow based on BIM.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the invention provides a municipal engineering construction progress intelligent management platform based on BIM, which comprises a BIM model management module, a progress planning module, a progress monitoring module, a progress analysis module and an early warning and scheduling module; wherein,
The BIM model management module establishes a BIM model containing professional information such as buildings, structures, pipelines and the like according to design drawings and construction requirements of municipal works by utilizing professional BIM modeling software, and maintains and updates the BIM model;
Specifically, basic data such as design drawings, construction requirements and the like are collected and arranged, and BIM implementation standards of projects are formulated, including modeling standards, file naming rules, information exchange standards and the like, so that data consistency and normalization in the modeling process are ensured;
According to the design drawing, basic components such as walls, beams, plates, columns and the like of the building are created by using professional BIM modeling software such as Revit, autoCAD and the like to form a 3D model of the building, and meanwhile, all details of the building such as doors, windows, stairs, balconies and the like are included;
Building structural members such as foundations, columns, beams, plates and the like, wherein a structural model is coordinated with a building model to ensure that the spatial relationship between the structural members is correct;
according to the professional design drawings of water supply and drainage, heating ventilation, electric and the like, building models of pipelines, valves, pipes, equipment and the like, wherein the pipeline models take the trend, cross, connection modes and the like of the pipelines into consideration;
BIM models of various professions such as buildings, structures, pipelines and the like are integrated, so that the correct spatial relationship and logic relationship among the models are ensured, and the conflict and contradiction among the professions are solved;
Checking the integrated BIM model, checking the integrity and accuracy of the model and the coordination with other professions, and optimizing and perfecting the model according to the checking result;
Relevant engineering information such as material types, sizes, quantity, construction processes and the like is recorded in the BIM model, so that the accuracy and the integrity of the information are ensured, and the relevance of the information and the model is realized, so that the subsequent data analysis and query are facilitated;
According to the requirements, the BIM model is exported into a specific format (such as IFC, DWG and the like) so as to be convenient for other stakeholders such as constructors, owners and the like to use, and meanwhile, necessary technical documents and training are provided so as to ensure that each party can fully utilize the BIM model to manage construction progress;
in the construction process, the BIM model is maintained and updated regularly along with the change of the design and the promotion of the construction progress so as to ensure the accuracy and timeliness of the model.
The progress plan module extracts all construction-related information such as materials, sizes, weights, preset construction sequences and the like from the BIM model, automatically generates a construction plan by using construction plan making software or tools, examines the automatically generated progress plan, checks whether logic errors or resource conflicts exist, and adjusts and optimizes the progress plan;
specifically, the BIM model is ensured to contain complete construction information, such as detailed data of various professions of building structures, electromechanical equipment, decoration and fitment and the like, and meanwhile, necessary information such as construction requirements, construction period limit, resource requirements and the like is collected and arranged;
dividing the whole construction project into a series of specific tasks based on the BIM model and the collected data, wherein the tasks cover various stages from construction preparation to completion acceptance, including earth excavation, foundation construction, main structure construction, electromechanical installation, decoration and fitment and the like;
according to the characteristics of each task, necessary construction resources such as manpower, equipment, materials and the like are allocated to each task, and factors such as the configuration quantity, the use time and the cost of different resources are considered;
Based on engineering quantity and resource requirements in the BIM model, combining industry experience and technical parameters, estimating the time required by each task, and considering factors such as construction sequence, working face requirements, possible cross operation and the like;
According to the results of task division, resource allocation and time estimation, using construction plan making software or tools to automatically generate a construction plan, wherein the software comprises Autodesk Civil 3D, revit and the like, and the plan should reflect the logic relationship and time schedule among the tasks;
Checking the automatically generated progress plan, checking whether logic errors or resource conflicts exist, and adjusting and optimizing the progress plan according to actual conditions to ensure that the progress plan meets construction requirements and construction period limits;
And releasing the finally determined construction progress plan to project related personnel, ensuring that all parties know and follow the planning arrangement, and simultaneously establishing an updating mechanism of the progress plan so as to dynamically adjust the construction progress according to actual conditions in the construction process.
The progress monitoring module is used for collecting construction site data in real time through the Internet of things technology and the sensor technology, so that the construction progress is monitored in real time, and the data comprise the construction progress, the construction environment, the running state of construction equipment and the like;
Specifically, by utilizing the internet of things technology and the sensor technology, arranging sensors and monitoring equipment on a construction site, and collecting data such as construction progress, construction environment, operation state of the construction equipment and the like in real time; the collected data is transmitted in a wired or wireless mode, so that the real-time performance and accuracy of data transmission are ensured; preprocessing the acquired data, including data cleaning, denoising, invalid data deleting and the like; the construction progress data and the BIM model are combined through a visualization technology, so that real-time monitoring and dynamic display of the construction progress are realized, and comprehensive construction progress information is provided for management staff.
The progress analysis module is used for comparing the construction site data acquired in real time with the data in the BIM model, wherein the comparison comprises the comparison of the actually completed building components with corresponding components in the plan and the difference between the actual construction progress and the progress plan, and the calculation is used for obtaining the progress delay time between the actual construction progress and the plan progress of the total engineering, and specifically comprises the following steps:
step 101: setting various parameters and calculation formulas in the form attributes of each building component of the model, wherein the parameters comprise information such as size, materials, quantity and the like, and directly counting the planning engineering quantity of all the building components by using the form;
For the engineering quantity of a flat site, according to the first area calculation of a building in a model, the earthwork quantity and the backfill quantity are calculated according to the volume, the occupied area and the layer height of a structural foundation, and a cost worker sets a calculation formula in the form attribute to extract the required engineering quantity information;
for example, calculating the earthwork of a foundation trench of a strip foundation in a certain building by using a BIM model, setting project parameters and a calculation formula in the form attribute of the BIM model, and directly counting the total earthwork of the foundation trench of the building by using the form, wherein the known earthwork depth is Xm;
Step 102: comparing the construction site data acquired in real time with the data in the BIM model, wherein the comparison comprises the steps of comparing the actually completed building components with the corresponding components in the plan, obtaining the completed engineering quantity of each component, and calculating the weight corresponding to each building component through the planned engineering quantity and the completed engineering quantity of each building component, wherein the calculation formula is as follows:
，
Wherein ω i represents the weight of the i-th building element, cq i represents the completed engineering quantity of the i-th building element, pq i represents the planned engineering quantity of the i-th building element, i=1, 2, …, n, n being a positive integer, n representing the total number of building elements;
Step 103: based on the current time node, comparing the difference between the actual construction progress and the progress plan, calculating and obtaining the progress delay time between the actual construction progress and the plan progress of the total project, wherein the calculation formula is as follows:
，
Wherein Δt represents a progress delay time, T now represents a current date, T start represents a planned construction date, T end represents a planned completion date, ω i represents a weight of an i-th building element, i=1, 2, …, n, n is a positive integer, and n represents a total number of building elements.
In use, the contents of steps 101 to 103 are combined:
the construction site data are collected in real time and compared with the data in the BIM model, so that the actual construction progress is known more accurately, the progress deviation is found timely, the monitoring precision of the construction progress is accelerated, the configuration of construction resources is adjusted timely by comparing the difference between the actual construction progress and the progress plan, the use of manpower, material resources and financial resources is optimized, and the construction progress is guaranteed effectively.
The early warning and analysis module is used for presetting a progress threshold value, sending out early warning when the progress delay time is greater than or equal to the progress threshold value, analyzing the approval process, and calculating the smoothness of the approval process by the processing time required by each node of the approval process and the application number of each node, wherein the early warning and analysis module specifically comprises the following steps:
Step 201: presetting a progress threshold, sending out early warning when the progress delay time is greater than or equal to the progress threshold, analyzing a flow approval process, acquiring processing time required by each node of the approval process, including the time of approving the application by an approver, and counting the application quantity of each node, including the refused application quantity and the total application quantity;
step 202: and calculating the fluency of the approval process after dimensionless processing is carried out by the processing time required by each node of the approval process and the application quantity of each node, wherein the calculation formula is as follows:
，
Wherein Fls represents the fluency of the approval process, TA j represents the total application number of the jth node, AP j represents the refused application number of the jth node, ST j represents the auditing time of the jth node, Represents the average audit time of all nodes, j=1, 2,..m, m is a positive integer, m represents the number of nodes;
Step 203: and presetting a fluency threshold, and when the fluency of the approval process is greater than the fluency threshold, indicating that the approval process has a problem, prompting that each node in the approval process needs to be optimized, including the selection of approval personnel, the setting of approval conditions, the determination of approval time limit and the like, so as to improve the approval efficiency and accuracy.
In use, the contents of steps 201 to 203 are combined:
By analyzing the approval process, the efficiency and fluency of the approval process are evaluated, so that problems and bottlenecks existing in the approval process can be found timely, redundancy, inefficiency or unreasonable links existing in the process are found, and then targeted optimization suggestions are provided, so that the approval efficiency and accuracy are improved, and the construction progress is further accelerated.
The construction analysis module calculates the comprehensive stability of the building component through the construction stability of constructors, the material supply stability of construction materials and the operation stability of construction equipment, and when the comprehensive stability of the building component is smaller than a stability threshold value, the construction analysis module indicates that the constructors, the construction materials and the construction equipment have problems and informs relevant personnel to take corresponding measures, and the construction analysis module specifically comprises:
Step 301: through constructor information of building elements, including constructor's work load, engineering time and attendance, after carrying out dimensionless processing, calculate constructor's construction stability, the computational formula is as follows:
，
Wherein Scs represents the construction stability of the constructor, pw k represents the workload of the kth constructor, Represents the average workload of all constructors, pt k represents the construction time of the kth constructor,Average construction time of all constructors, attendance rate of the kth constructor of Pa k,Average attendance of all constructors, k=1, 2,..k, K is a positive integer, K represents the number of constructors;
step 302: through construction material information of the building component, including actual supply quantity, planned demand quantity, actual arrival time and planned arrival time, after dimensionless treatment, material supply stability of the construction material is calculated, and a calculation formula is as follows:
，
Wherein Sms represents a material supply stability of the construction material, as represents an actual supply amount, pd represents a planned demand amount, T a represents an actual arrival time, and T s represents a planned arrival time;
Step 303: through construction equipment information of the building components, including equipment normal operation time, total operation time and failure rate, after dimensionless treatment, operation stability of the construction equipment is calculated, and a calculation formula is as follows:
，
Wherein Srs represents the operation stability of the construction equipment, tn x represents the normal operation time of the X-th construction equipment, ts x represents the total operation time of the X-th construction equipment, fr x represents the failure rate of the X-th construction equipment, x=1, 2, X is a positive integer, and X represents the total number of construction equipment;
The normal operation time refers to the operation time of the construction equipment under the specified technical parameters and safety conditions, the total operation time refers to the total operation time of the construction equipment, the total operation time comprises the normal operation time and the failure shutdown time, the operation stability of the construction equipment can be estimated by comprehensively considering the normal operation time and the failure rate, and the longer the normal operation time is, the higher the maintainability index is, the higher the operation stability of the construction equipment is, and the smooth progress of the construction progress can be ensured;
step 304: comprehensively evaluating the construction stability of the comprehensive constructors, the material supply stability of construction materials and the operation stability of construction equipment, and calculating the comprehensive stability of the building components by a fuzzy comprehensive evaluation method;
The fuzzy comprehensive evaluation method is a comprehensive evaluation method based on fuzzy mathematics, and the comprehensive evaluation method converts qualitative evaluation into quantitative evaluation according to membership theory of the fuzzy mathematics, namely, the fuzzy mathematics are used for carrying out overall evaluation on things or objects limited by various factors;
Step 305: the stability threshold is preset, when the comprehensive stability of the building component is smaller than the stability threshold, the problem of constructors, construction materials and construction equipment is indicated, management staff is informed of taking corresponding measures to improve the comprehensive stability, for example, the workload and attendance rate of the constructors are adjusted, the construction efficiency is improved, the stock management of the construction materials is enhanced, the stability of material supply is ensured, the construction equipment is regularly maintained and maintained, the failure rate is reduced, and the like.
In use, the contents of steps 301 to 305 are combined:
By comprehensively analyzing the construction stability of constructors, the material supply stability of construction materials and the operation stability of construction equipment, potential problems and unstable factors are found in time, and the method is beneficial to taking measures in advance to prevent and correct the problems, so that the influence of problem expansion on the construction progress and the engineering quality is avoided.
In the application, the related formulas are all the numerical calculation after dimensionality removal, and the formulas are one formulas for acquiring a large amount of data and performing software simulation to obtain the latest real situation, and coefficients in the formulas are set by a person skilled in the art according to the actual situation.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein can be implemented as a combination of electronic hardware, computer software, and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application.
Claims (5)
1. BIM-based municipal engineering construction progress intelligent management platform, which is characterized by comprising:
The BIM model management module is used for establishing a BIM model containing professional information of a building, a structure and a pipeline according to the design drawing and construction requirements of municipal engineering;
The progress planning module extracts information related to construction from the BIM model, and automatically generates a construction plan by using construction plan making software or tools;
the progress monitoring module is used for collecting construction site data in real time and monitoring construction progress in real time, wherein the construction progress, construction environment and operation state of construction equipment are included;
the progress analysis module is used for comparing the construction site data acquired in real time with the data in the BIM model, and calculating to obtain the progress delay time between the actual construction progress of the total engineering and the planned progress;
Setting various parameters and calculation formulas in the form attributes of each building component of the model, wherein the parameters comprise size, material and quantity information, and directly counting the planning engineering quantity of all the building components by using the form;
Comparing the construction site data acquired in real time with the data in the BIM model, wherein the comparison comprises the comparison of the actually completed building components with the corresponding components in the plan and the difference between the actual construction progress and the progress plan, the completed engineering quantity of each component is obtained, the weight corresponding to each building component is obtained through calculation through the planned engineering quantity and the completed engineering quantity of each building component, and the calculation formula is as follows:
，
Wherein ω i represents the weight of the i-th building element, cq i represents the completed engineering quantity of the i-th building element, pq i represents the planned engineering quantity of the i-th building element, i=1, 2, …, n, n being a positive integer, n representing the total number of building elements;
Based on the current time node, comparing the difference between the actual construction progress and the progress plan, calculating and obtaining the progress delay time between the actual construction progress and the plan progress of the total project, wherein the calculation formula is as follows:
，
Wherein Δt represents a progress delay time, T now represents a current date, T start represents a planned construction date, T end represents a planned completion date, ωi represents a weight of an i-th building element, i=1, 2,..;
the early warning and analyzing module is used for sending out early warning when the progress delay time is greater than or equal to the progress threshold value, analyzing the approval process and calculating the fluency of the approval process;
When the progress delay time is greater than or equal to the progress threshold value, acquiring processing time required by each node of the approval process, including the time for approving the application by an approver, and counting the number of applications of each node, including the number of rejected applications and the total number of applications;
And calculating the fluency of the approval process after dimensionless processing is carried out by the processing time required by each node of the approval process and the application quantity of each node, wherein the calculation formula is as follows:
，
Wherein Fls represents the fluency of the approval process, TA j represents the total application number of the jth node, AP j represents the refused application number of the jth node, ST j represents the auditing time of the jth node, Represents the average audit time of all nodes, j=1, 2,..m, m is a positive integer, m represents the number of nodes;
Presetting a fluency threshold, and sending out an optimization instruction when the fluency of the approval process is greater than the fluency threshold;
The construction analysis module calculates the comprehensive stability of the building component through the construction stability of constructors, the material supply stability of construction materials and the operation stability of construction equipment, and sends out a notification instruction when the comprehensive stability of the building component is smaller than a stability threshold value.
2. The intelligent management platform for the municipal engineering construction progress based on BIM according to claim 1, wherein,
The construction stability of the constructors is calculated and acquired through constructor information of the building components, including workload, construction time and attendance rate of the constructors.
3. The intelligent management platform for the municipal engineering construction progress based on BIM according to claim 2, wherein,
The material supply stability of the construction material is calculated and acquired by construction material information of the building element including an actual supply amount, a planned demand amount, an actual arrival time, and a planned arrival time.
4. The intelligent management platform for the municipal engineering construction progress based on BIM according to claim 3, wherein,
And calculating and acquiring the operation stability of the construction equipment through construction equipment information of the building component, wherein the construction equipment information comprises equipment normal operation time, total operation time and failure rate.
5. The intelligent management platform for the construction progress of municipal works based on BIM according to claim 4, wherein,
The construction stability of the comprehensive constructors, the material supply stability of construction materials and the operation stability of construction equipment are comprehensively evaluated, the comprehensive stability of the building components is calculated, a stability threshold is preset, and when the comprehensive stability of the building components is smaller than the stability threshold, a notification instruction is sent out.
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