CN112785257B - Construction cost operation evaluation method and system based on BIM technology - Google Patents
Construction cost operation evaluation method and system based on BIM technology Download PDFInfo
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Abstract
The application aims to provide a construction cost operation evaluation method and a system based on BIM technology, wherein the method comprises the steps of acquiring project list detailed information of each sub-construction project in a three-dimensional model for simulating the whole project construction process, and automatically carrying out engineering quantity auditing and correction; automatically acquiring the unit price corresponding to each sub-construction project list; according to the content of the sub-construction project, the corresponding project list and the unit price thereof, automatic price closing calculation is carried out; simulating the whole project construction process by using the three-dimensional model, estimating risk and gold, automatically matching the subcontracting project range and the subcontracting person capacity value, and estimating subcontracting project cost; and determining the profit margin of the project by combining the actual market competition condition, estimating the profit value of the project, and summing the cost by combining the price calculation result, the risk gold and the subcontracting project fee to obtain the estimated cost of the project. The application solves the problem of low evaluation efficiency of the existing engineering cost operation, and has the effect of improving the evaluation efficiency of the engineering cost operation.
Description
Technical Field
The application relates to the technical field of engineering cost management, in particular to an engineering cost operation evaluation method and system based on a BIM technology.
Background
The construction cost refers to the construction price of an engineering, and refers to the sum of all the fees expected or actually required to complete the construction of one engineering.
The construction cost operation evaluation method specifically comprises the steps of calculating all engineering quantities according to drawings and a specified method or checking the engineering quantities according to an engineering quantity list; acquiring unit price from a standard price database, determining unit price of each sub-item engineering project, and checking, evaluating and adjusting the selected unit price to enable the unit price to accord with actual conditions of bidding engineering; filling out quotations according to the format of the engineering quantity table in the bidding document; all expense items forming the sub-project are classified into the engineering unit price; according to the range of the subcontracting engineering and the capability of subcontracting persons, the manual price of the subcontracting persons is estimated, and the subcontracting engineering fee is determined; determining the profit value of the project according to the market competition condition; estimating risk gold; and summarizing and summing all the fees to obtain the estimated bid price of the project, adjusting the estimated bid price, and determining the project bid price.
In the operation and evaluation of the engineering cost, the checking of the engineering quantity, the checking of the unit price of the engineering project, the determination of the subcontracting engineering fee, the determination of the profit value, the estimation of the risk gold and the like are required to be rechecked, so that the evaluation efficiency is affected.
In view of the above related art, the applicant believes that there is a defect that the existing construction cost operation evaluation needs to be performed for multiple rechecking operations, which affects the evaluation efficiency.
Disclosure of Invention
In order to improve the evaluation efficiency of engineering cost operation evaluation, the application provides an engineering cost operation evaluation method and system based on a BIM technology.
The application aims to provide a construction cost operation evaluation method based on BIM technology, which has the characteristic of high construction cost operation evaluation efficiency.
The first object of the present application is achieved by the following technical solutions:
a construction cost operation evaluation method based on BIM technology comprises,
acquiring project list detailed information of each sub-construction project in a three-dimensional model for simulating the whole project construction process, and automatically performing engineering quantity auditing and correction;
after finishing the engineering quantity correction, automatically acquiring the unit price corresponding to each sub-construction project list;
after the unit price is corrected, automatic price matching calculation is performed according to the content of the sub-construction project, the corresponding project list and the unit price of the project list;
simulating the whole project construction process by the three-dimensional model, estimating risk and gold, automatically matching the subcontracting project range and the subcontracting person capacity value, and estimating subcontracting project cost;
and determining the profit margin of the project by combining the actual market competition condition, estimating the profit value of the project, and summing the cost by combining the price calculation result, the risk gold and the subcontracting project fee to obtain the estimated cost of the project.
By adopting the technical scheme, the whole project construction process is simulated by means of the three-dimensional model, so that project list contents of engineering cost are simulated and checked, possible risk conditions are estimated, the subcontracting engineering range is determined, and the like, and the actual condition of the engineering cost is better reflected; acquiring project list detailed information of each sub-construction project, and automatically performing engineering quantity auditing and correction; automatically acquiring the unit price corresponding to each sub-construction project list; automatically performing price closing calculation; automatically estimating risk gold, and automatically matching the range of subcontracting engineering and the capability value of subcontracting people to estimate subcontracting engineering fee; estimating the profit value of the project, and then carrying out cost summarization and summation by combining the price calculation result, the risk deposit and the subcontracting engineering cost to obtain the estimated construction cost of the project; furthermore, the operation evaluation of the engineering cost is intelligent, repeated check operation is not needed to be carried out manually, and the evaluation efficiency of the operation evaluation of the engineering cost is improved.
The present application may be further configured in a preferred example to: pre-storing engineering case data related to engineering cost;
acquiring project lists of all projects, corresponding corrected project amounts, corresponding risk fees and subcontracting project fees of all projects, and creating a project cost data table;
training and learning based on the engineering cost data table data to obtain the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk gold and subcontracting engineering fee;
acquiring project list detailed information of each sub-construction project, inputting the project cost project case content, the corresponding project quantity, risk deposit and subcontracting project fee in a rule relation, outputting the project quantity, and returning the project quantity to the three-dimensional model to serve as the project quantity after verification and correction;
and recording project cost file data related to the construction cost in a construction drawing into a rule relation between project cost project case content and corresponding project quantity, risk gold and subcontracting project fee, outputting the risk gold and the subcontracting project fee, and returning the risk gold and the subcontracting project fee to the three-dimensional model to serve as estimated risk gold and subcontracting project fee.
By adopting the technical scheme, project lists of all projects, corresponding corrected project amounts, corresponding risk fees and subcontracting project fees of all projects are obtained from project case data related to the project cost, and a project cost data table is created to serve as training learning data; training and learning based on the engineering cost data table data to obtain the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk gold and subcontracting engineering fee; and then automatically outputting the engineering quantity, the risk gold and the subcontracting engineering fee, so as to realize the auditing and correction of the engineering quantity, the risk gold and the subcontracting engineering fee in the three-dimensional model, without manually carrying out repeated rechecking operation, and improve the evaluation efficiency of the engineering cost operation evaluation.
The present application may be further configured in a preferred example to: periodically updating engineering case data related to engineering cost and updating an engineering cost data table;
training and learning based on new engineering cost data table data, and updating the rule relation between engineering cost engineering case content and corresponding engineering quantity, risk gold and subcontracting engineering cost.
By adopting the technical scheme, the engineering case data related to the engineering cost is updated regularly to acquire the engineering cost data which is more fit with reality for training and learning, so that the regular relation between the engineering case content of the engineering cost and the corresponding engineering quantity, risk gold and subcontracting engineering cost is more accurate, and the automatically output engineering quantity, risk gold and subcontracting engineering cost are more accurate.
The present application may be further configured in a preferred example to: the step of creating the three-dimensional model includes,
acquiring project bid files, project lists and project cost files related to the construction cost in a construction drawing, dividing the construction content into a plurality of sub-construction projects according to the construction drawing, and listing project list detailed information corresponding to each sub-construction project by combining the project lists to generate a project cost original model;
planning a progress plan of each sub-construction project according to project bid-up files and field investigation conditions, respectively listing construction content and time schedule of each sub-construction project, determining a logic relation of each sub-construction project according to a construction scheme, and making a preliminary construction progress plan;
and correlating the preliminary construction progress plan with the engineering cost original model to generate a three-dimensional model for simulating the whole project construction process.
By adopting the technical scheme, the construction content and the corresponding project list are divided based on project bid files, project lists and project cost files related to the construction cost in the construction drawing, and the construction progress plan is planned, so that a preliminary construction progress plan is formulated, a three-dimensional model is generated in a correlated mode for simulating the whole project construction process, further, the project list content of the project cost, the estimated risk condition possibly happening, the sub-packaging project range and the like can be simulated and checked, the actual condition of the project cost can be better reflected, and the project cost evaluation can be better carried out.
The present application may be further configured in a preferred example to: the method comprises the steps of obtaining unit price data corresponding to each sub-construction project list, determining sub-construction cost according to the range of sub-construction projects and the capability value of sub-persons, determining profit value and estimated risk value of the projects according to market competition conditions, and correcting and optimizing an original project cost model by using the obtained data.
By adopting the technical scheme, the engineering cost original model relates to the project list and the corresponding unit price data, the subcontracting engineering cost, the profit value and the estimated risk gold, so that the actual condition of the engineering cost is better reflected, the generated three-dimensional model is more fit with the actual condition, and the whole process of the project construction can be better simulated.
The present application may be further configured in a preferred example to: and connecting the three-dimensional model with a standard price database, automatically acquiring the unit price corresponding to the project list of each sub-construction project from the standard price database, and checking and correcting the unit price selected.
By adopting the technical scheme, the unit price corresponding to the project list of each sub-construction project is acquired from the standard price database, the operation is convenient, and the unit price data is checked and corrected, so that the operation evaluation result of the working cost is more accurate.
The application aims at providing a construction cost operation evaluation system based on BIM technology, which has the characteristic of high construction cost operation evaluation efficiency.
The second object of the present application is achieved by the following technical solutions:
a construction cost operation evaluation system based on BIM technology comprises,
the three-dimensional model module is used for simulating the whole project construction process; the three-dimensional model module comprises an engineering quantity calibration sub-module, a unit price calibration sub-module, a price calculation sub-module, a risk gold and subcontracting engineering cost estimation sub-module and an engineering cost estimation sub-module;
the engineering quantity calibration sub-module is used for acquiring project list detailed information of each sub-construction project and automatically carrying out engineering quantity auditing and correction;
the unit price calibration submodule is connected with the output end of the engineering quantity calibration submodule and is used for automatically acquiring unit price corresponding to each sub-construction project list;
the price matching calculation submodule is connected with the output end of the unit price calibration submodule and is used for automatically carrying out price matching calculation according to the content of the sub-construction project, the corresponding project list and unit price thereof;
the risk gold and subcontracting engineering fee estimation submodule is connected with the price calculation submodule and is used for enabling the three-dimensional model to simulate the whole project construction process, estimating the risk gold, automatically matching the subcontracting engineering scope and the subcontracting person capacity value and estimating subcontracting engineering fee;
the project cost estimation submodule is connected with the risk gold and subcontracting project cost estimation submodule and is used for carrying out cost summarization and summation according to the project profit value and combining the price calculation result, the risk gold and subcontracting project cost to obtain the estimated cost of the project.
By adopting the technical scheme, the three-dimensional model module is used for simulating the whole project construction process; the three-dimensional model module is also internally provided with an engineering quantity calibration sub-module, a unit price calibration sub-module, a price calculation sub-module, a risk gold and subcontracting engineering fee estimation sub-module and an engineering cost estimation sub-module so as to realize the automatic checking and correction of engineering quantity, risk gold and subcontracting engineering fee; furthermore, the operation evaluation of the engineering cost is intelligent, repeated check operation is not needed to be carried out manually, and the evaluation efficiency of the operation evaluation of the engineering cost is improved.
The present application may be further configured in a preferred example to: the three-dimensional model module is connected with the cloud platform in a communication way, acquires the engineering quantity in the cloud platform as the correction engineering quantity of the engineering quantity correction sub-module, and acquires the risk gold and the sub-packaging engineering cost in the cloud platform as the estimated risk gold and the sub-packaging engineering cost of the risk gold and the sub-packaging engineering cost estimation sub-module.
By adopting the technical scheme, the cloud platform can automatically calculate and correct the engineering quantity, the risk gold and the subcontracting engineering fee; the three-dimensional model module obtains the engineering quantity in the cloud platform as the corrected engineering quantity of the engineering quantity calibration sub-module; the three-dimensional model module acquires the risk gold and the subcontracting engineering fee in the cloud platform as the risk gold and the subcontracting engineering fee estimated by the risk gold and subcontracting engineering fee estimation submodule; to realize the auditing and correction of engineering quantity, risk gold and subcontracting engineering fee in the three-dimensional model.
The present application may be further configured in a preferred example to: the cloud platform is internally provided with a data module, a training module and a rule module;
the data module is used for acquiring project case data related to the construction cost, so that project lists of all projects are in one-to-one correspondence with corresponding corrected project amounts, corresponding risk fees of all projects and subcontracting project fees, and a project cost data table is created;
the training module is connected with the output end of the data module and is used for training and learning the engineering cost data form data to acquire the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk gold and subcontracting engineering cost;
the rule module is connected with the output end of the training module and is used for calculating and outputting engineering quantity, risk deposit and subcontracting engineering fee.
By adopting the technical scheme, the training module carries out training and learning based on the items in the project cost data table data in the data module and the relation among the items, acquires the rule relation among the project case content related to the project cost, the corresponding project quantity, the risk gold and the subcontracting engineering fee, and stores the rule relation into the rule module for calculating and outputting the project quantity, the risk gold and the subcontracting engineering fee so as to realize the purpose that the cloud platform automatically calculates and corrects the project quantity, the risk gold and the subcontracting engineering fee.
The present application may be further configured in a preferred example to: the three-dimensional model module comprises an engineering cost original model unit, a preliminary construction progress planning unit and a three-dimensional model unit;
the engineering cost original model unit is used for acquiring engineering cost files related to the construction cost in project bid-making files, project lists and construction drawings, dividing construction contents into a plurality of sub-construction projects according to the construction drawings, and listing project list detailed information corresponding to each sub-construction project by combining the project lists to generate an engineering cost original model;
the preliminary construction progress planning unit is used for planning a progress plan of each sub-construction project according to project bid-drawing files and field investigation conditions, respectively listing construction contents and time schedules of each sub-construction project, determining a logic relation of each sub-construction project according to a construction scheme, and making a preliminary construction progress plan;
the three-dimensional model unit is connected with the output ends of the engineering cost original model unit and the preliminary construction progress plan unit and is used for enabling the preliminary construction progress plan to be associated with the engineering cost original model to generate a three-dimensional model.
By adopting the technical scheme, the engineering cost original model unit is used for generating an engineering cost original model; the preliminary construction progress planning unit is used for making a preliminary construction progress plan; the three-dimensional model unit enables the preliminary construction progress plan to be associated with the original model of the engineering cost to generate a three-dimensional model so as to simulate the whole project construction process, further simulate and verify project list contents of the engineering cost, estimate possible risk conditions, determine the subcontracting engineering range and the like, and be beneficial to better reflecting the actual conditions of the engineering cost.
In summary, the present application includes at least one of the following beneficial technical effects:
1. automatically checking and correcting the engineering quantity by means of a three-dimensional model, automatically acquiring the unit price corresponding to each sub-construction project list, automatically performing price closing calculation, automatically estimating risk, automatically matching the range of sub-packaging projects and the capability value of sub-packaging persons, estimating sub-packaging project fees, estimating project profit values, and automatically performing calculation and evaluation of project cost; furthermore, the operation evaluation of the engineering cost is intelligent, repeated check operation is not needed to be carried out manually, and the evaluation efficiency of the operation evaluation of the engineering cost is improved;
2. training and learning based on the engineering cost data table data, acquiring a rule relation between engineering cost engineering case content and corresponding engineering quantity, risk gold and subcontracting engineering fee, and automatically outputting the engineering quantity, the risk gold and the subcontracting engineering fee so as to realize auditing and correction of the engineering quantity, the risk gold and the subcontracting engineering fee in a three-dimensional model;
3. the three-dimensional model is utilized to simulate the whole project construction process, so that the project list content of the project cost, the possible risk condition of the project cost can be simulated and checked, the subcontracting project range can be determined, and the like, the actual condition of the project cost can be better reflected, and the project cost evaluation can be better carried out.
Drawings
FIG. 1 is a schematic diagram of an overall process of a construction cost operation evaluation method based on BIM technology according to an embodiment of the present application.
FIG. 2 is a flowchart of the steps of the cloud platform for automatically calculating the corrected project amount, risk gold and subcontracting project fee.
FIG. 3 is a flowchart of the steps for building a three-dimensional model.
FIG. 4 is a block diagram illustrating a construction cost operation evaluation system based on BIM technology according to an embodiment of the present application.
Detailed Description
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In this context, unless otherwise specified, the term "/" generally indicates that the associated object is an "or" relationship.
Embodiments of the application are described in further detail below with reference to the drawings.
Referring to fig. 1, an embodiment of the present application provides a construction cost operation evaluation method based on a BIM technology, and main steps of the method are described as follows.
And establishing a three-dimensional model based on related data of engineering cost, and simulating the whole project construction process.
In the three-dimensional model, calculating all engineering quantities according to drawings and a specified method or acquiring the engineering quantities according to an engineering quantity list to acquire project list detailed information of each sub-construction project, wherein the project list detailed information comprises the engineering quantities used for construction and the corresponding quantity of the engineering quantities, and comparing the acquired project list by combining simulation conditions of project construction; when the project list simulated by project construction is inconsistent with the content of the acquired project list, the content of the simulated project list is made to replace the content of the original project list of each sub-construction project, so that the auditing and correction of the engineering quantity are automatically carried out.
And after the engineering quantity correction is completed, the unit price corresponding to each sub-construction project list is automatically acquired. Specifically, the three-dimensional model is connected with a standard price database, and the unit price corresponding to the project list of each sub-construction project is automatically obtained from the standard price database, wherein the unit price selected is checked and corrected. The standard price database is established by bidders according to the engineering cost related information storage of the past engineering projects, and the standard price database is combined with the local actual object price to update and adjust the corresponding price periodically so as to improve the rationality and accuracy of pricing, so that the price accords with the actual condition of the bidding projects and reflects the change of market price.
After the unit price is corrected, according to the content of the sub-construction project, the corresponding project list and the unit price thereof, automatic price closing calculation is carried out, the product obtained by multiplying the engineering quantity in the project list by the corresponding unit price is accumulated in sequence, and the accumulated result is used as the result of price closing calculation. Meanwhile, the quotation is stored according to the format of the engineering quantity table in the bidding document, and the stored quotation content comprises a project list corresponding to the sub-construction projects, corresponding unit price, total price of the sub-construction projects and the sum of the total price of each sub-construction project. When calculating the unit price, all the expense items constituting the sub-project should be included.
The three-dimensional model is made to simulate the whole project construction process, so that risk events existing in the project construction process are known in advance, the number of the risk events is counted, risk coefficient factors corresponding to the number of the risk events are matched, the aggregate value of the project is multiplied by the risk coefficient factors, and the calculated result is used as risk deposit to estimate the risk deposit.
Meanwhile, the three-dimensional model simulates the whole project construction process, the matching subcontracting project range is automatically divided and matched according to the simulation result, subcontracting persons and corresponding capacity values thereof are selected from a subcontracting person list, and corresponding subcontracting cost is obtained, so that subcontracting project cost is estimated. The subcontracting list is obtained from related data of past engineering bidding, and is updated periodically according to actual conditions of engineering construction and actual human demands of markets.
And determining the profit margin of the project by combining the actual market competition condition, estimating the profit value of the project, and summing the cost by combining the price calculation result, the risk gold and the subcontracting project fee to obtain the estimated cost of the project.
And adjusting the estimated construction cost of the engineering based on analysis of the project profit and loss. The analysis of the engineering profit and loss is carried out from different angles by adopting a plurality of existing methods, so as to seek out the problems in calculation, and measures are taken to reduce the cost and increase the profit, thereby determining the final cost of the engineering.
Referring to fig. 2, project case data relating to the construction costs is prestored.
And acquiring project lists and corresponding corrected project amounts of each project, corresponding risk fees and subcontracting project fees of each project, and creating a project cost data table.
Training and learning are carried out based on the project cost data table data, and the rule relation between the project cost project case content and the corresponding project quantity, risk gold and subcontracting project fee is obtained.
Periodically updating engineering case data related to engineering cost and updating an engineering cost data table; training and learning are carried out based on new engineering cost data table data, and the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk gold and subcontracting engineering fee is updated, so that the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk gold and subcontracting engineering fee is more accurate, and the automatically output engineering quantity, risk gold and subcontracting engineering fee are more accurate.
And acquiring project list detailed information of each sub-construction project, inputting updated project cost project case contents and corresponding regular relations among the project quantity, the risk deposit and the sub-packaging project fee, outputting the project quantity, and returning the project quantity to the three-dimensional model as the project quantity after checking and correcting so as to further correct the project quantity in the three-dimensional model.
And recording project cost file data related to the construction cost in a construction drawing into a rule relation between project cost project case content and corresponding project quantity, risk gold and subcontracting project cost, outputting the risk gold and the subcontracting project cost, and returning the risk gold and the subcontracting project cost to a three-dimensional model to serve as estimated risk gold and subcontracting project cost.
Thereby realizing the purpose of automatic auditing and correcting of engineering quantity, risk gold and subcontracting engineering fee in the three-dimensional model.
Referring to fig. 3, the three-dimensional model is built as follows.
And acquiring project price files related to the construction price in project bid files, project lists and construction drawings, dividing the construction content into a plurality of sub-construction projects according to the construction drawings, and listing project list detailed information corresponding to each sub-construction project by combining the project lists to generate a project price original model.
The method comprises the steps of obtaining unit price data corresponding to each sub-construction project list, determining sub-construction cost according to the range of sub-construction projects and the capability value of sub-persons, determining profit value and estimated risk gold of the projects according to market competition conditions, correcting and optimizing an original project cost model by using the obtained data so as to better reflect actual conditions of the project cost, enabling a three-dimensional model to be more fit with the actual conditions, and better simulating the actual process of project construction.
Planning a progress plan of the sub-construction projects according to project bid-drawing files and field investigation conditions, respectively listing construction contents and time schedules of the sub-construction projects, determining a logic relation of the sub-construction projects according to the construction scheme, and making a preliminary construction progress plan.
And correlating the preliminary construction progress plan with the corrected and optimized engineering cost original model to generate a three-dimensional model for simulating the whole project construction process.
The three-dimensional model can simulate and check project list contents of the engineering cost, estimate possible risk conditions, determine the subcontracting engineering scope and the like, and is favorable for better reflecting the actual conditions of the engineering cost so as to better evaluate the engineering cost.
Referring to fig. 4, the embodiment of the application further provides a construction cost operation evaluation system based on the BIM technology, which comprises a three-dimensional model module for simulating the whole project construction process, wherein the three-dimensional model module comprises a project quantity calibration sub-module, a unit price calibration sub-module, a price calculation sub-module, a risk gold and sub-packaging project cost estimation sub-module and a project cost estimation sub-module.
The engineering quantity calibration sub-module is used for acquiring project list detailed information of each sub-construction project and automatically carrying out engineering quantity auditing and correction.
The unit price calibration submodule is connected with the output end of the engineering quantity calibration submodule and is used for automatically acquiring unit price corresponding to each sub-construction project list.
The price-closing calculation submodule is connected with the output end of the unit price calibration submodule and is used for automatically carrying out price-closing calculation according to the content of the sub-construction project, the corresponding project list and the unit price thereof.
The risk gold and subcontracting engineering fee estimation submodule is connected with the price calculation submodule and is used for enabling the three-dimensional model to simulate the whole project construction process, estimating the risk gold, automatically matching the subcontracting engineering scope and the subcontracting person capacity value and estimating the subcontracting engineering fee.
The project cost estimation submodule is connected with the risk price estimation submodule and the subcontracting project cost estimation submodule and is used for carrying out cost summarization and summation according to the project profit value and combining the price calculation result, the risk price and the subcontracting project cost to obtain the estimated project cost of the project.
Further, the three-dimensional model module comprises an engineering cost original model unit, a preliminary construction progress planning unit and a three-dimensional model unit.
The project cost original model unit is used for acquiring project cost files related to the project cost in project bid-making files, project lists and construction drawings, dividing construction content into a plurality of sub-construction projects according to the construction drawings, and listing project list detailed information corresponding to each sub-construction project by combining the project lists to generate a project cost original model.
The preliminary construction progress planning unit is used for planning a progress plan of the sub-construction projects according to project bid-drawing files and field investigation conditions, respectively listing construction contents and time schedules of the sub-construction projects, determining a logic relation of the sub-construction projects according to a construction scheme, and making a preliminary construction progress plan.
The three-dimensional model unit is connected with the output ends of the engineering cost original model unit and the preliminary construction progress plan unit and is used for enabling the preliminary construction progress plan to be related with the engineering cost original model to generate a three-dimensional model.
The engineering cost operation evaluation system based on the BIM technology further comprises a cloud platform for automatically calculating and correcting the engineering quantity, risk gold and sub-packaging engineering cost, the three-dimensional model module is in communication connection with the cloud platform, the three-dimensional model module obtains the engineering quantity in the cloud platform as the corrected engineering quantity of the engineering quantity calibration submodule, and the three-dimensional model module obtains the risk gold and the sub-packaging engineering cost in the cloud platform as the estimated risk gold and the sub-packaging engineering cost of the risk gold and the sub-packaging engineering cost estimation submodule.
The cloud platform is internally provided with a data module, a training module and a rule module.
The data module is used for acquiring engineering case data related to engineering cost, so that the project list of each project corresponds to the corrected project amount, the corresponding risk of each project and the subcontracting engineering fee one by one, and an engineering cost data table is created.
The training module is connected with the output end of the data module and is used for training and learning the engineering cost data form data to acquire the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk and subcontracting engineering cost.
The rule module is connected with the output end of the training module and is used for calculating and outputting engineering quantity, risk deposit and subcontracting engineering fee.
The implementation principle of the embodiment is as follows: the whole project construction process is simulated by means of the three-dimensional model, so that the project list content of the project cost is simulated and checked, the possible risk condition is estimated, the subcontracting project range is determined, and the like, and the actual condition of the project cost is better reflected.
And acquiring project list detailed information of each sub-construction project from the three-dimensional model, automatically performing engineering quantity auditing and correcting, and further correcting the engineering quantity in the three-dimensional model by means of a rule module in the cloud platform.
And (3) automatically acquiring the unit price corresponding to each sub-construction project list from a standard price database by the three-dimensional model, and automatically performing price combination calculation in the three-dimensional model by combining the corrected engineering quantity.
The three-dimensional model is used for simulating the whole project construction process, estimating the risk gold, automatically matching the subcontracting engineering range and the subcontracting person capacity value, and further determining the risk gold and the subcontracting engineering cost value by means of a rule module in the cloud platform.
And manually inputting the estimated engineering profit value in the three-dimensional model, carrying out cost summarization and summation by combining the cost calculation result, the risk gold and the subcontracting engineering cost to obtain the estimated construction cost of the engineering, and then carrying out adjustment to determine the final construction cost of the engineering.
Furthermore, the construction cost operation evaluation method and the construction cost operation evaluation system based on the BIM technology are intelligent, do not need to carry out repeated check operation manually, and improve the evaluation efficiency of construction cost operation evaluation.
Claims (8)
1. A construction cost operation evaluation method based on BIM technology is characterized by comprising the following steps,
acquiring project bid files, project lists and project cost files related to the construction cost in a construction drawing, dividing the construction content into a plurality of sub-construction projects according to the construction drawing, and listing project list detailed information corresponding to each sub-construction project by combining the project lists to generate a project cost original model;
planning a progress plan of each sub-construction project according to project bid-up files and field investigation conditions, respectively listing construction content and time schedule of each sub-construction project, determining a logic relation of each sub-construction project according to a construction scheme, and making a preliminary construction progress plan;
associating the preliminary construction progress plan with the engineering cost original model to generate a three-dimensional model for simulating the whole project construction process;
in a three-dimensional model for simulating the whole project construction process, calculating all engineering quantity according to the drawing and a specified method or acquiring engineering quantity according to an engineering quantity list, and comparing the acquired project list by combining the simulation condition of project construction to acquire project list detailed information of each sub-construction project, when the project list simulated by project construction is inconsistent with the acquired project list, replacing the content of the original project list of each sub-construction project with the simulated project list content to automatically carry out the auditing and correction of the engineering quantity, wherein the project list detailed information comprises the engineering quantity used for construction and the corresponding quantity thereof;
after the project quantity correction is finished, the unit price corresponding to each sub-construction project list is automatically acquired, specifically, a three-dimensional model is connected with a standard price database, the unit price corresponding to each sub-construction project list is automatically acquired from the standard price database, wherein the selected unit price is checked and corrected, the standard price database is established by a bidding party according to the project cost related information storage of the past project, and the standard price database is used for carrying out periodical updating and adjustment on the corresponding unit price by combining with the local actual object price so as to improve the rationality and accuracy of pricing, so that the unit price accords with the actual situation of the bidding project and reflects the change of the market price;
after the unit price is corrected, automatic price matching calculation is performed according to the content of the sub-construction project, the corresponding project list and the unit price of the project list;
simulating the whole project construction process by the three-dimensional model, estimating risk and gold, automatically matching the subcontracting project range and the subcontracting person capacity value, and estimating subcontracting project cost;
determining the profit margin of the project by combining the actual market competition condition, estimating the profit value of the project, and summing the cost by combining the price calculation result, the risk price and the subcontracting project fee to obtain the estimated cost of the project;
and adjusting the estimated construction cost of the engineering based on analysis of the project profit and loss.
2. The construction cost operation evaluation method based on the BIM technique according to claim 1, wherein the construction case data relating to the construction cost is prestored;
acquiring project lists of all projects, corresponding corrected project amounts, corresponding risk fees and subcontracting project fees of all projects, and creating a project cost data table;
training and learning based on the engineering cost data table data to obtain the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk gold and subcontracting engineering fee;
acquiring project list detailed information of each sub-construction project, inputting the project cost project case content, the corresponding project quantity, risk deposit and subcontracting project fee in a rule relation, outputting the project quantity, and returning the project quantity to the three-dimensional model to serve as the project quantity after verification and correction;
and recording project cost file data related to the construction cost in a construction drawing into a rule relation between project cost project case content and corresponding project quantity, risk gold and subcontracting project fee, outputting the risk gold and the subcontracting project fee, and returning the risk gold and the subcontracting project fee to the three-dimensional model to serve as estimated risk gold and subcontracting project fee.
3. The construction cost operation evaluation method based on the BIM technique according to claim 2, wherein the construction cost related construction case data is updated periodically, and the construction cost data table is updated;
training and learning based on new engineering cost data table data, and updating the rule relation between engineering cost engineering case content and corresponding engineering quantity, risk gold and subcontracting engineering cost.
4. The construction cost operation evaluation method based on the BIM technology according to claim 1, wherein the unit price data corresponding to each sub-construction project list is obtained, the sub-construction cost is determined according to the sub-construction scope and the capability value of sub-persons, the profit value of the project is determined according to the market competition condition, and the estimated risk is calculated, and the obtained data is used for correcting and optimizing the original construction cost model.
5. The construction cost operation evaluation method based on the BIM technology according to claim 1, wherein the three-dimensional model is connected with a standard price database, and the unit price corresponding to each sub-construction project on a project list is automatically obtained from the standard price database, and the unit price selected is checked and corrected.
6. A construction cost operation evaluation system based on BIM technology is characterized by comprising,
the three-dimensional model module is used for simulating the whole project construction process; the three-dimensional model module comprises an engineering quantity calibration sub-module, a unit price calibration sub-module, a price calculation sub-module, a risk gold and subcontracting engineering fee estimation sub-module and an engineering cost estimation sub-module, and also comprises an engineering cost original model unit, a preliminary construction progress planning unit and a three-dimensional model unit;
the project quantity calibration submodule is used for calculating all project quantities according to construction drawings and a specified method or acquiring the project quantities according to project quantity lists in a three-dimensional model of the whole project construction process, and comparing the acquired project lists by combining simulation conditions of project construction to acquire project list detailed information of each sub-construction project, when the project list simulated by the project construction is inconsistent with the acquired project list, the simulated project list content replaces the content of an original project list of each sub-construction project so as to automatically carry out audit correction of the project quantities, and the project list detailed information comprises the project quantities used for construction and the corresponding quantity of the project quantities;
the unit price calibration submodule is connected to the output end of the engineering quantity calibration submodule and is used for automatically acquiring unit price corresponding to each sub-construction project list after the engineering quantity calibration is finished, specifically, a three-dimensional model is connected with a standard price database, the unit price corresponding to each sub-construction project on the project list is automatically acquired from the standard price database, the selected unit price is checked and calibrated, the standard price database is established by a bidder according to the engineering cost related information of the past engineering projects, and the standard price database is combined with local actual material price to update and regulate the corresponding unit price periodically so as to improve the rationality and accuracy of pricing, so that the unit price accords with the actual condition of the bidding projects and reflects the change of market price;
the price matching calculation submodule is connected with the output end of the unit price calibration submodule and is used for automatically carrying out price matching calculation according to the content of the sub-construction project, the corresponding project list and unit price thereof;
the risk gold and subcontracting engineering fee estimation submodule is connected with the price calculation submodule and is used for enabling the three-dimensional model to simulate the whole project construction process, estimating the risk gold, automatically matching the subcontracting engineering scope and the subcontracting person capacity value, estimating the subcontracting engineering fee, determining the profit rate of the engineering according to the actual market competition condition, estimating the engineering profit value, summing the cost according to the price calculation result, the risk gold and the subcontracting engineering fee to obtain the estimated cost of the engineering, and adjusting the estimated cost of the engineering based on analysis of the engineering profit and loss;
the project cost estimation submodule is connected with the risk gold and subcontracting project cost estimation submodule and is used for carrying out cost summarization and summation according to the project profit value and combining the price calculation result, the risk gold and subcontracting project cost to obtain the estimated cost of the project;
the engineering cost original model unit is used for acquiring engineering cost files related to the construction cost in project bid-making files, project lists and construction drawings, dividing construction contents into a plurality of sub-construction projects according to the construction drawings, and listing project list detailed information corresponding to each sub-construction project by combining the project lists to generate an engineering cost original model;
the preliminary construction progress planning unit is used for planning a progress plan of each sub-construction project according to project bid-drawing files and field investigation conditions, respectively listing construction contents and time schedules of each sub-construction project, determining a logic relation of each sub-construction project according to a construction scheme, and making a preliminary construction progress plan;
the three-dimensional model unit is connected with the output ends of the engineering cost original model unit and the preliminary construction progress plan unit and is used for enabling the preliminary construction progress plan to be associated with the engineering cost original model to generate a three-dimensional model.
7. The construction cost operation evaluation system based on the BIM technology according to claim 6, further comprising a cloud platform for automatically calculating a correction engineering quantity, a risk gold and a subcontracting engineering fee, wherein the three-dimensional model module is in communication connection with the cloud platform, the three-dimensional model module obtains the engineering quantity in the cloud platform as the correction engineering quantity of the engineering quantity calibration sub-module, and the three-dimensional model module obtains the risk gold and the subcontracting engineering fee in the cloud platform as the risk gold and the subcontracting engineering fee estimated by the risk gold and subcontracting engineering fee estimation sub-module.
8. The construction cost operation evaluation system based on the BIM technology according to claim 7, wherein a data module, a training module and a rule module are arranged in the cloud platform;
the data module is used for acquiring project case data related to the construction cost, so that project lists of all projects are in one-to-one correspondence with corresponding corrected project amounts, corresponding risk fees of all projects and subcontracting project fees, and a project cost data table is created;
the training module is connected with the output end of the data module and is used for training and learning the engineering cost data form data to acquire the rule relation between the engineering cost engineering case content and the corresponding engineering quantity, risk gold and subcontracting engineering cost;
the rule module is connected with the output end of the training module and is used for calculating and outputting engineering quantity, risk deposit and subcontracting engineering fee.
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| CN114792176A (en) * | 2022-06-24 | 2022-07-26 | 北京天辰信科技有限公司 | Engineering cost prediction method and system based on engineering data and field data |
| CN115578529B (en) * | 2022-10-11 | 2023-05-12 | 浙江鼎力工程项目管理有限公司 | Construction evaluation system |
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