BIM-based construction project full-cycle cost management and control system

Abstract

The embodiment of the invention discloses a BIM-based construction project full-cycle cost management and control system, which comprises an information sharing platform, a project risk assessment and control platform, a BIM technology-based cost prediction model and a resource configuration and management decision platform, and is characterized in that the information sharing platform is used for sharing project key information of a construction project; the project risk assessment and control platform is used for performing risk assessment and control on the construction project according to the project key information to obtain project risk information; the construction cost prediction model based on the BIM technology is used for predicting the construction project cost according to the project key information, the current BIM model and the like; and the resource configuration and management decision platform is used for providing resource configuration and management decision data for the project management team according to the project key information, the project risk information and the construction project cost. According to the embodiment of the invention, the project management efficiency and transparency can be improved, the decision quality can be ensured, and the capability of the project to deal with uncertainty is enhanced.

Description

Technical Field

[0001] The present application relates to the field of engineering cost technology, and in particular to a full-cycle cost control system for construction projects based on BIM. Background Art

[0002] With the rapid development of the construction industry, cost control of construction projects has become increasingly important, as it is directly related to the economic benefits and risk management of the project.

[0003] In the context of informatization and globalization, the cost of construction projects is increasingly closely linked to every stakeholder of the project. Traditional cost methods based on past experience or static data can no longer meet the needs of modern engineering projects. Especially in a complex and changing market environment, the project management team is prone to waste engineering resources and make mistakes in decision-making due to information lag, which ultimately affects the cost of the construction project. Summary of the invention

[0004] The embodiment of the present application provides a full-cycle cost control system for construction projects based on BIM to solve the above technical problems.

[0005] The embodiment of the present application provides a full-cycle cost control system for construction projects based on BIM, which includes an information sharing platform, a project risk assessment and control platform, a cost prediction model based on BIM technology, and a resource allocation and management decision-making platform, wherein: The information sharing platform is used to share key project information of the target construction project, wherein the key project information includes design change information, market fluctuation information, and supply chain status information; The project risk assessment and control platform is used to perform risk assessment and control on the target construction project according to the key project information to obtain project risk information; The cost prediction model based on BIM technology is used to predict the construction project cost of the target construction project according to the key project information, the current BIM model and a preset prediction formula, wherein the data in the current BIM model includes component attributes, construction time and unit cost corresponding to each of the multiple components, and the unit cost is dynamically updated based on the market fluctuation information; The resource allocation and management decision platform is used to provide resource allocation and management decision data to the project management team based on the project key information, the project risk information and the construction project cost.

[0006] In some embodiments, the information sharing platform integrates the project management software and ERP system of the target construction project through an API, and the project management software shares the project progress, resource consumption information, and cost change information with the information sharing platform.

[0007] In some embodiments, the project risk assessment and control platform also performs risk response processing and risk monitoring processing on the target construction project based on the project key information.

[0008] In some embodiments, the prediction formula is: ; Among them, C t is the construction project cost, U i is the unit cost of component i, Q i The project quantity quantified for component i, P i are the preset adjustment parameters.

[0009] In some embodiments, the project risk assessment and control platform includes a risk identification module, a risk assessment module, a risk response module and a risk monitoring module, wherein: The risk identification module is used to identify risks of the key information of the project based on preset risk identification rules; The risk assessment module is used to perform risk quantification analysis on the risks identified by the risk identification module to obtain risk quantification results; The risk response module is used to provide a risk response strategy for the project management team according to the risk quantification results; The risk monitoring module is used to track the identified risks.

[0010] In some embodiments, the risk monitoring module is also used to evaluate the effectiveness of risk management measures during the risk tracking process, and the risk management measures are risk response strategies set by the project management team for corresponding risks in the risk response module.

[0011] In some embodiments, the risk quantification analysis is implemented through a probability impact matrix.

[0012] In some embodiments, the risk response strategy includes a risk avoidance strategy, a risk mitigation strategy, a risk transfer strategy, or a risk acceptance strategy.

[0013] In some embodiments, the unit cost includes a material unit cost and a labor unit cost.

[0014] In some embodiments, the market fluctuation information includes construction material cost fluctuation information and labor cost fluctuation information.

[0015] The embodiment of the present application provides a full-cycle cost control system for construction projects based on BIM. Among them, the full-cycle cost control system for construction projects based on BIM includes an information sharing platform, a project risk assessment and control platform, a cost prediction model based on BIM technology, and a resource allocation and management decision platform, wherein: the information sharing platform is used to share the key project information of the target construction project, and the key project information includes design change information, market fluctuation information, and supply chain status information; the project risk assessment and control platform is used to perform risk assessment and control on the target construction project according to the key project information to obtain project risk information; the cost prediction model based on BIM technology is used to predict the construction project cost of the target construction project according to the key project information, the current BIM model, and the preset prediction formula, and the data in the current BIM model includes the component attributes, construction time, and unit cost corresponding to each component in multiple components, and the unit cost is dynamically updated based on the market fluctuation information; the resource allocation and management decision platform is used to provide resource allocation and management decision data for the project management team according to the key project information, the project risk information, and the construction project cost. The system provided in the embodiment of the present application integrates an information sharing platform, a project risk assessment and control platform, and a cost prediction model based on BIM technology, so that the project management team can quickly obtain current project key information, project risk information, and construction project costs through a resource allocation and management decision-making platform, thereby achieving more accurate and efficient resource allocation and decision-making optimization, and better controlling the cost of construction projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic diagram of a framework of a full-cycle cost control system for a construction project based on BIM provided in an embodiment of the present application; Figure 2 A schematic diagram of a framework of an information sharing platform provided in an embodiment of the present application; Figure 3 A schematic diagram of a framework of a project risk assessment and control platform provided in an embodiment of the present application. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0019] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0020] It should also be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0021] It should be further understood that the term “and / or” used in the specification and appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0022] The embodiment of the present application provides a construction project management system based on steel structure building information (Building Information Modeling, BIM).

[0023] See also Figure 1 , Figure 1 A schematic diagram of a framework of a full-cycle cost control system for a construction project based on BIM provided in this application, wherein the full-cycle cost control system for a construction project based on BIM includes an information sharing platform, a project risk assessment and control platform, a cost prediction model based on BIM technology, and a resource allocation and management decision-making platform, wherein: The information sharing platform is used to share key project information of the target construction project, wherein the key project information includes design change information, market fluctuation information, and supply chain status information; The project risk assessment and control platform is used to perform risk assessment and control on the target construction project based on the project key information to obtain project risk information; in addition, in some embodiments, the project risk assessment and control platform also performs risk response processing and risk monitoring processing on the target construction project based on the project key information.

[0024] The cost prediction model based on BIM technology is used to predict the construction project cost of the target construction project according to the key project information, the current BIM model and the preset prediction formula, the data in the current BIM model includes the component attributes, construction time and unit cost corresponding to each component in the multiple components, the unit cost is dynamically updated based on the market fluctuation information, wherein the unit cost includes the material unit cost and the labor unit cost, and the component attributes include physical and geometric attributes; The resource allocation and management decision platform is used to provide resource allocation and management decision data to the project management team based on the project key information, the project risk information and the construction project cost.

[0025] Specifically, the information sharing platform of this embodiment is established using cloud computing technology to achieve cross-departmental and cross-regional data sharing, thereby improving decision-making quality and project monitoring.

[0026] Among them, the information sharing platform established by cloud computing technology can ensure efficient and secure data storage, processing and backup. It can realize data access at any time, while ensuring the security and reliability of information. It can analyze massive data in real time and provide a scientific basis for management and decision-making.

[0027] Furthermore, if Figure 2 As shown, Figure 2 A framework diagram of the information sharing platform provided for this application, wherein the information sharing platform integrates the project management software and the Enterprise Resource Planning (ERP) system of the target construction project through an API, and the project management software shares the project progress, resource consumption information and cost change information to the information sharing platform, wherein managers, business personnel and on-site technicians can obtain the information shared on the information sharing platform through the ERP system.

[0028] Among them, the project management software is the existing project management software for the target construction project. The information sharing platform realizes the automatic update and circulation of information through seamless integration with the project management software and ERP system, breaks the traditional departmental barriers, and realizes cross-departmental and cross-regional data sharing, thereby improving work efficiency and decision-making. The information sharing platform can realize efficient data sharing and collaborative work in a safe and standardized environment.

[0029] By implementing an efficient information sharing platform, the project management team can not only obtain and monitor key data in real time, such as design change information, market fluctuation information, supply chain status information, project progress, resource consumption information, cost change information, etc., but also use this data for more in-depth analysis and prediction.

[0030] Among them, design change information includes changes in BIM model design, including changes in the position and quantity of elements (components); market fluctuation information includes material cost fluctuation information and labor cost fluctuation information; supply chain status information includes the supply status of each material supply chain; project progress includes the overall progress of the construction project and the progress corresponding to each area; resource consumption information includes information on resources used in the construction project; cost change information includes the difference between the original predicted cost and the current predicted cost.

[0031] The information sharing platform provided by the present application realizes efficient data sharing and collaborative work in a safe and standardized environment. This helps to protect the confidentiality and integrity of project data and prevent data leakage and abuse. The information sharing platform in this embodiment is provided with an access control policy to ensure that only authorized users can access the information sharing platform and prevent unauthorized access and leakage.

[0032] In some embodiments, the information sharing platform provided by the present application also provides real-time monitoring and data analysis and prediction functions, among which: Real-time monitoring: The information sharing platform provides real-time monitoring functions, enabling the project management team to keep abreast of the latest progress of the project and changes in key indicators.

[0033] Data analysis and prediction: Data analysis tools are provided so that the project management team can conduct in-depth analysis of key project information and historical data, explore potential trends and patterns, and provide a scientific basis for future decision-making. At the same time, the prediction model can also be used to predict the future development trend of the project and formulate effective response strategies.

[0034] Furthermore, if Figure 3 As shown, Figure 3 A schematic diagram of a framework of a project risk assessment and control platform provided in this application, wherein the project risk assessment and control platform includes a risk identification module, a risk assessment module, a risk response module and a risk monitoring module, wherein: The risk identification module is used to identify risks of the key information of the project based on preset risk identification rules; Specifically, the risk identification module is used in the risk identification stage. The project team needs to comprehensively identify various risks that may affect the full-cycle cost of the construction project. By analyzing the key information of the project, these risks may come from multiple aspects. The risk identification rules include but are not limited to: Risk identification of changes in the number of building elements: The changes in the number of building elements are obtained through design change information. When the change in quantity exceeds the preset number of elements, it is determined that there is a risk, otherwise, it is determined that there is no risk.

[0035] Identification of material cost fluctuation risks: Raw material prices are affected by many factors such as market supply and demand, policy adjustments, and international situations, which may cause material costs to rise or fall. Information on construction material cost fluctuations is obtained through market fluctuation information. When material costs rise or fall by more than a preset range, it is determined that there is a risk; otherwise, it is determined that there is no risk.

[0036] Identification of labor cost change risks: The supply and demand situation in the labor market, wage levels, skill levels and other factors will affect labor costs. Labor cost fluctuation information is obtained through market fluctuation information. When labor costs rise or fall by more than a preset range, it is determined that there is a risk; otherwise, it is determined that there is no risk.

[0037] Technical risk: Design change information also includes information on the introduction of new technologies. The introduction of new technologies may bring about cost uncertainties, such as the maturity, applicability, and training costs of new technologies. When new technologies are introduced, it is judged that there are risks; otherwise, it is judged that there are no risks.

[0038] The risk assessment module is used to perform risk quantification analysis on the risks identified by the risk identification module to obtain risk quantification results; Specifically, the risk assessment module is used in the risk assessment phase. The project team needs to conduct quantitative analysis on the identified risks to determine their likelihood and impact. This can usually be achieved by building a probability impact matrix, classifying risks according to likelihood and impact, and determining risk levels. The risk quantification results include risk types and risk levels. The risk types include element quantity change risk, material cost fluctuation risk, labor cost fluctuation risk, and technology introduction risk.

[0039] The risk response module is used to provide a risk response strategy for the project management team according to the risk quantification results; Specifically, the risk response module is applied in the risk response planning stage, and the project management team needs to formulate specific strategies to deal with risks. The risk response strategies include risk avoidance strategies, risk mitigation strategies, risk transfer strategies, or risk acceptance strategies.

[0040] The project management team can choose the strategy to be applied from the multiple strategies provided and clarify the corresponding resource allocation.

[0041] Among them, risk avoidance strategy: avoid the occurrence of risks by changing the design, procurement strategy, construction methods, etc.

[0042] Risk mitigation strategy: Take measures to reduce the impact of risks, such as increasing redundancy, improving processes, and improving quality.

[0043] Risk transfer strategy: transfer risks to a third party by purchasing insurance, signing contract terms, etc.

[0044] Risk acceptance strategy: For risks with small impact or unavoidable risks, you can choose to accept them and develop appropriate response measures.

[0045] The risk monitoring module is used to track the identified risks.

[0046] Among them, the risk monitoring module is also used to evaluate the effectiveness of risk management measures during the risk tracking process. The risk management measures are risk response strategies set by the project management team for corresponding risks in the risk response module.

[0047] The risk monitoring module is applied in the risk monitoring stage. During the risk monitoring stage, the project management team must continuously track the risk status, evaluate the effectiveness of risk management measures, and adjust the risk response strategy according to changes in the project environment.

[0048] Among them, the risk monitoring module provides the following monitoring measures: 1. Regularly hold risk review meetings to evaluate changes in risk status and the effectiveness of response measures. 2. Real-time monitoring: Use information technology to monitor key risk indicators in real time and discover potential problems in a timely manner. 3. Flexible adjustment: Flexibly adjust risk response strategies and measures according to changes in the project environment and the actual situation of risks.

[0049] Through continuous risk monitoring, the stability and predictability of cost control throughout the project cycle can be ensured.

[0050] Furthermore, the cost prediction model based on BIM technology provided in this application provides a multi-dimensional perspective for cost prediction through BIM technology, integrates detailed cost information in the design stage, and can update and reflect the impact of design changes on total cost in real time.

[0051] Specifically, the data in the BIM model not only covers component attributes, but also integrates the time (4D) and cost (5D) dimensions, allowing cost managers to make more accurate cost forecasts and controls.

[0052] The prediction formula in the model is: ; Among them, C t is the construction project cost, U i is the unit cost of component i, Q i The project quantity quantified for component i, P i are the preset adjustment parameters.

[0053] The cost prediction model based on BIM technology provided in this application makes cost prediction no longer based solely on past experience or static data, but can be dynamically adjusted to adapt to project changes, thereby improving the accuracy and reliability of the prediction.

[0054] The following is a detailed description of the data in the current BIM model: Component attributes: The BIM model records every component of the building in detail, including its type, shape, size, location, etc., providing a basis for accurate calculation of engineering quantities.

[0055] Construction time: By adding time information to the BIM model, the construction progress of the project can be simulated, and resource requirements and cost expenditures at different time points can be predicted, allowing for a more accurate time-cost analysis.

[0056] Unit cost: The BIM model can also integrate cost information, including material cost, labor cost, etc., so that cost managers can intuitively see the cost structure of each component and the construction project cost in real time, thereby making more accurate cost forecasting and control.

[0057] Specifically, when making cost forecasts, the cost forecasting model based on BIM technology first dynamically updates the unit cost of each component based on the market fluctuation information in the key project information and the construction time of each component, and then forecasts the construction project cost of the target construction project based on a preset forecasting formula, wherein the construction project cost includes the construction project costs corresponding to multiple different construction periods of the target construction project; In addition, after obtaining the current construction project cost, the current construction project cost and the original predicted cost will be analyzed to obtain cost change information so that target managers can pay attention to changes in construction costs in a timely manner.

[0058] The cost prediction model based on BIM technology provided in this application can predict the cost of a construction project throughout the entire project cycle. Specifically: During the design phase, BIM technology can integrate detailed cost information, allowing designers and project management teams to work together to optimize the design.

[0059] Early cost estimation: The project management team conducts project cost estimation in the early stage and provides cost feedback to designers. When designers design BIM models, the cost prediction model based on BIM technology can predict the cost of the designed BIM model in real time, helping designers to consider cost factors in the design process and avoid cost overruns in the later stage.

[0060] Real-time updates and feedback: As the project progresses, the BIM model may be changed in design, and the cost information in the BIM model will be updated in real time. Designers can instantly see the impact of design changes and market fluctuations on costs, so they can make more informed decisions.

[0061] It can be seen that the cost prediction model based on BIM technology provided by this application can help the project management team to achieve accurate cost prediction and control. Specifically, it can realize dynamic cost monitoring: by real-time monitoring of the cost information in the BIM model, cost deviations can be discovered in time, and corresponding measures can be taken to correct them to ensure that the project cost is controlled within the budget; it can achieve optimized resource allocation: the BIM model can also help the project management team optimize resource allocation, such as reasonably arranging the construction sequence, reducing resource waste, etc., thereby reducing project costs.

[0062] Furthermore, the resource allocation and management decision-making platform provided by this application integrates an information sharing platform, a project risk assessment and control platform, and a cost prediction model based on BIM technology. The project management team can achieve more accurate and efficient resource allocation and decision-making optimization through the resource allocation and management decision-making platform: The project management team can obtain real-time key project information, project risk information and construction project costs through the resource allocation and management decision-making platform. This systematic integration makes project management no longer limited to the traditional passive response mode, but transforms it into a data-driven active management method. The project management team can make accurate decisions and optimize resource allocation through the collected key project information, project risk information and construction project costs.

[0063] Specifically, the resource allocation and management decision-making platform can deliver key project information to every stakeholder of the project in real time by integrating the information sharing platform. This ensures that all relevant parties can obtain the latest information in a timely manner, so that they can quickly respond to environmental changes and adjust plans and strategies.

[0064] The resource allocation and management decision-making platform integrates the project risk assessment and control platform. When faced with external environmental changes such as design changes and market fluctuations, the project management team can quickly obtain relevant project risk information and make accurate judgments through data analysis. This helps the team flexibly adjust plans and avoid waste of resources and wrong decisions.

[0065] Among them, the resource allocation and management decision-making platform can input project key information, project risk information and construction project costs into corresponding information templates. The corresponding information templates can convert and process the information, such as converting the information into waveform graphs, bar graphs, etc., to more intuitively display resource allocation and management decision data to the project management team.

[0066] The resource allocation and management decision-making platform integrates the cost prediction model based on BIM technology, so that the project management team can obtain the current construction project cost of the target construction project, so as to more accurately evaluate resource requirements and optimize resource allocation. This helps to ensure that the project is completed on time within the budget and improve resource utilization efficiency.

[0067] In addition, the project management team can also improve the quality and efficiency of decision-making through the resource allocation and management decision-making platform provided by this application: First, the decision-making basis of the project management team can be more comprehensive and accurate based on real-time information and data analysis. This helps reduce decision-making risks and improve decision-making quality. Second, the real-time information transmission function of the information sharing platform shortens the decision-making cycle, allowing the project management team to make decisions faster. This helps improve project execution efficiency and ensure that the project is completed on time.

[0068] In summary, the BIM-based construction project full-cycle cost control system provided in the present application includes an information sharing platform, a project risk assessment and control platform, a cost prediction model based on BIM technology, and a resource allocation and management decision-making platform, wherein: the information sharing platform is used to share the project key information of the target construction project, and the project key information includes design change information, market fluctuation information, and supply chain status information; the project risk assessment and control platform is used to perform risk assessment and control on the target construction project according to the project key information to obtain project risk information; the cost prediction model based on BIM technology is used to predict the construction project cost of the target construction project according to the project key information, the current BIM model and a preset prediction formula, and the data in the current BIM model includes the component attributes, construction time and unit cost corresponding to each component in multiple components, and the unit cost is dynamically updated based on the market fluctuation information; the resource allocation and management decision-making platform is used to provide resource allocation and management decision data to the project management team based on the project key information, the project risk information and the construction project cost. The system provided in the embodiment of the present application integrates an information sharing platform, a project risk assessment and control platform, and a cost prediction model based on BIM technology, which enables the project management team to quickly obtain current key project information, project risk information, and construction project costs through a resource allocation and management decision-making platform, thereby achieving more accurate and efficient resource allocation and decision-making optimization, and better controlling the cost of construction projects. Through this embodiment, not only can the efficiency and transparency of project management be improved, but also the quality of decision-making can be ensured, and the project's ability to cope with uncertainty can be enhanced.

[0069] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0070] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of each unit is only a logical function division, and there may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0071] The steps in the method of the embodiment of the present application can be adjusted in order, combined and deleted according to actual needs. The units in the device of the embodiment of the present application can be combined, divided and deleted according to actual needs. In addition, the functional units in the various embodiments of the present application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0072] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, terminal, or network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application.

[0073] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A full-cycle cost control system for construction projects based on BIM, characterized in that: The BIM-based construction project full-cycle cost control system includes an information sharing platform, a project risk assessment and control platform, a cost prediction model based on BIM technology, and a resource allocation and management decision-making platform, among which: The information sharing platform is used to share key project information of the target construction project, wherein the key project information includes design change information, market fluctuation information, and supply chain status information; The project risk assessment and control platform is used to perform risk assessment and control on the target construction project according to the key project information to obtain project risk information; The cost prediction model based on BIM technology is used to predict the construction project cost of the target construction project according to the key project information, the current BIM model and a preset prediction formula, wherein the data in the current BIM model includes component attributes, construction time and unit cost corresponding to each of the multiple components, and the unit cost is dynamically updated based on the market fluctuation information; The resource allocation and management decision platform is used to provide resource allocation and management decision data to the project management team based on the project key information, the project risk information and the construction project cost.

2. The BIM-based construction project full-cycle cost control system according to claim 1 is characterized in that: The information sharing platform integrates the project management software and ERP system of the target construction project through an API, and the project management software shares the project progress, resource consumption information and cost change information with the information sharing platform.

3. The BIM-based construction project full-cycle cost control system according to claim 1 is characterized in that: The project risk assessment and control platform is also used to perform risk response processing and risk monitoring processing on the target construction project based on the project key information.

4. The BIM-based construction project full-cycle cost control system according to claim 1 is characterized in that: The prediction formula is: ； Among them, C t is the construction project cost, U i is the unit cost of component i, Q i The project quantity quantified for component i, P i are the preset adjustment parameters.

5. The BIM-based construction project full-cycle cost control system according to claim 1 is characterized in that: The project risk assessment and control platform includes a risk identification module, a risk assessment module, a risk response module and a risk monitoring module, among which: The risk identification module is used to identify risks of the key information of the project based on preset risk identification rules; The risk assessment module is used to perform risk quantification analysis on the risks identified by the risk identification module to obtain risk quantification results; The risk response module is used to provide a risk response strategy for the project management team according to the risk quantification results; The risk monitoring module is used to track the identified risks.

6. The BIM-based construction project full-cycle cost control system according to claim 5 is characterized in that: The risk monitoring module is also used to evaluate the effectiveness of risk management measures during the risk tracking process. The risk management measures are risk response strategies set by the project management team for corresponding risks in the risk response module.

7. The BIM-based construction project full-cycle cost control system according to claim 5 is characterized in that: The risk quantification analysis is achieved through a probability impact matrix.

8. The BIM-based construction project full-cycle cost control system according to claim 1 is characterized in that: The risk response strategies include risk avoidance strategies, risk mitigation strategies, risk transfer strategies or risk acceptance strategies.

9. The BIM-based construction project full-cycle cost control system according to claim 1 is characterized in that: The unit cost includes the material unit cost and the labor unit cost.

10. The BIM-based construction project full-cycle cost control system according to claim 1, characterized in that: The market fluctuation information includes construction material cost fluctuation information and labor cost fluctuation information.

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