CN114021215A - BIM technology-based engineering cost calculation management method and system - Google Patents
BIM technology-based engineering cost calculation management method and system Download PDFInfo
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Abstract
The invention discloses a BIM technology-based engineering cost computation management method and system, wherein the method comprises the following steps: s1, constructing a BIM implementation application standard; s2, building a BIM model of the current engineering project according to the BIM implementation application standard, and building a construction cost structure tree; s3, cost coding is carried out on each BIM component example in the cost structure tree; s4, according to the cost code, automatically calculating the cost calculation amount of the BIM component example in the BIM model, and automatically generating a calculation book of the component example meeting the measurement; and S5, checking the calculation book, generating a payment list, entering a payment process, and completing the engineering cost calculation amount management. The invention can automatically calculate the information of the number, unit price and the like of the components, more quickly and accurately obtain the calculated amount of the construction cost, get rid of the tedious work of the traditional manual calculation, reduce the work load, improve the work efficiency and reduce the human errors.
Description
Technical Field
The invention belongs to the technical field of construction cost, and particularly relates to a BIM technology-based construction cost calculation management method and system.
Background
The BIM (building Information modeling) technology is generally translated into a building Information model and is used as a new technology in the engineering construction industry, the BIM technology emphasizes the application of coordinated and consistent Information in each stage of the whole life cycle of an engineering project, the most intuitive expression form of the BIM technology is a three-dimensional building model with project Information, the three-dimensional Information model is not a constant display product any more, but an intelligent Information carrier is formed, and the model becomes a core and a data base for specific application in each stage of the whole life cycle of the project along with the enrichment and transmission of the Information.
With the gradual popularization of the BIM technology in the building engineering, more and more design units, construction units and construction units begin to use the technology, which becomes the development trend of building informatization, however, in the traditional building engineering cost calculation and statistics, which are mainly based on two-dimensional CAD drawing control, the original manual calculation or experienced master is adopted to estimate, the simple computer engineering quantity calculation is carried out, and then the pricing is carried out.
Disclosure of Invention
Aiming at the defects in the prior art, the project cost calculation management method and system based on the BIM technology solve the problems of complex program, long working time, rich and rich repetitive work and large workload in the traditional project cost management method.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: a project cost calculation management method based on BIM technology comprises the following steps:
s1, constructing a BIM implementation application standard;
s2, building a BIM model of the current engineering project according to the BIM implementation application standard, and building a construction cost structure tree;
s3, cost coding is carried out on each BIM component example in the cost structure tree;
s4, according to the cost code, automatically calculating the cost calculation amount of the BIM component example in the BIM model, and automatically generating a calculation book of the component example meeting the measurement;
and S5, checking the calculation book, generating a payment list, entering a payment process, and completing the engineering cost calculation amount management.
Further, the BIM implementation application standard in the step S1 includes a modeling standard, an accuracy standard, a coding standard and a cost rule;
the BIM implements application standards to form a member information general table, the cost rule is stored in a standard segment sub-table, and a 12-bit list coding rule, a quantity attribute and a conversion formula for calculating a model and providing a project quantity are also stored in the standard segment sub-table.
Further, the step S2 is specifically:
and analyzing the BIM model into a standardized construction cost structure tree of items, mark sections, major, sub-major, secondary sub-major, member categories, member sub-categories and member types which are sequentially arranged from top to bottom.
Further, the step S3 is specifically: the cost code is generated according to the type of the member in the cost structure tree or the hierarchical structure form of the specialty, the sub-specialty, the secondary sub-specialty, the member category and the member sub-category in the cost structure tree.
Further, in step S4, the method for performing automatic cost calculation specifically includes:
a1, matching a component example which accords with the cost rule under the component type according to the cost rule of the current mark segment stored in the mark segment sub-base table;
a2, extracting corresponding BIM model engineering quantities through component attributes in component examples meeting the construction cost rules according to the quantity attributes in the standard segment sub-base table;
a3, endowing construction cost information to the members in the extracted BIM model engineering quantity;
the construction cost information includes the 12-bit list code of the component, the converted engineering quantity, BOQ items of the contract, unit price and comprehensive price.
Further, in the step a2, when the extracted BIM model engineering quantity does not satisfy the measure, the BIM model engineering quantity is converted by the conversion formula in the segment sub-base table to obtain the corresponding model proposed engineering quantity as the object to which the cost information is given in the step A3.
A project cost computation management system based on BIM technology, comprising:
cost rule determination module: for storing BIM implementation application standards;
the construction cost structure tree generation module: the system is used for generating a corresponding construction cost structure tree according to the BIM model and carrying out construction cost coding on the construction cost structure tree;
the cost coding module: the method is used for intelligently matching the cost rules according to the cost attribute of each BIM component example in the BIM model to form the cost code of each component example;
the cost calculation module: the system is used for intelligently combining the prior construction cost coding BIM component examples and generating a construction cost calculation book;
the manufacturing cost auditing module: and the system is used for auditing the generated construction cost calculation book and starting a payment process to realize the management of the construction cost calculation amount.
Further, the BIM application standard stored by the cost rule determination module includes a modeling standard, an accuracy standard, a coding standard, and a cost rule.
Further, the construction cost structure tree stores project, mark section, subsection project, sub unit project, specialty, sub specialty, second level sub specialty, component category, component sub category and component type information in the BIM model in a tree structure form.
The invention has the beneficial effects that:
(1) in the invention, a two-dimensional CAD drawing is converted into a three-dimensional BIM model based on the BIM technology, and the accurate engineering quantity of main components can be counted and calculated based on the BIM model so as to achieve the aim of assisting the construction cost;
(2) based on the BIM model foundation, cost personnel only need to adjust the calculation rule after adding corresponding parameters into the system according to different projects, different places, engineering quantity regulations and manuals, the system can automatically calculate the information such as the number of components, unit price and the like, the engineering cost calculation quantity can be obtained more quickly and accurately, the redundant work of the traditional manual calculation is avoided, the work load is reduced, the work efficiency is improved, and the human errors are reduced;
(3) from the aspect of cost change, an online construction cost mode of the BIM technology is combined, updated component information, attributes, prices and the like can be input into the model, when the component is changed, the corresponding model is only required to be changed and upgraded, the total engineering quantity can be automatically updated by the system, and the method has the characteristics of rapidness, convenience and high accuracy.
Drawings
FIG. 1 is a flow chart of the engineering cost computation management method based on BIM technology provided by the invention.
Fig. 2 is a structural diagram of a project cost accounting management system based on the BIM technology provided by the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
Example 1:
as shown in fig. 1, a project cost accounting management method based on BIM technology includes the following steps:
s1, constructing a BIM implementation application standard;
s2, building a BIM model of the current engineering project according to the BIM implementation application standard, and building a construction cost structure tree;
s3, cost coding is carried out on each BIM component example in the cost structure tree;
s4, according to the cost code, automatically calculating the cost calculation amount of the BIM component example in the BIM model, and automatically generating a calculation book of the component example meeting the measurement;
and S5, checking the calculation book, generating a payment list, entering a payment process, and completing the engineering cost calculation amount management.
In step S1 of the embodiment of the present invention, the BIM implementation application standard includes a modeling standard, an accuracy standard, a coding standard, and a cost rule, and the BIM implementation application standard constitutes a component information summary table, the cost rule constitutes a segment sub-table, and the segment sub-table further stores a 12-bit list coding rule, an amount attribute, and a conversion formula for calculating a model and providing a project amount. The BIM implementation application standard can be different for each industry or enterprise, longitudinal and transverse extension is supported in the embodiment, and compatibility and flexibility are extremely high.
The use of the component information general table in the embodiment of the invention is divided into two stages, namely a modeling stage for maintaining design attribute information in a component and a maintenance stage for cost attribute information, wherein the first 9 bits are lists, and cost related attributes are maintained through list item characteristics and the like;
the mark segment sub-base table stores a 12-bit list coding rule and a quantity attribute besides the cost rule of each mark segment, and is used for distinguishing the prices of different types of components and the cost rule; the 12-bit list code is a unique representation of unit price of the component and is used for distinguishing different component prices, and the quantity attribute is used for defining a type component to carry out quantity through which attribute field, such as area, volume, length and the like; the mark segment sub-base table also stores a conversion formula for calculating the project quantity proposed by the model.
Step S2 of the embodiment of the present invention specifically includes:
and analyzing the BIM model into a standardized construction cost structure tree of items, mark sections, major, sub-major, secondary sub-major, component types, component sub-categories and component types which are sequentially arranged from top to bottom.
Step S3 of the embodiment of the present invention specifically includes: the cost code is generated according to the component type in the cost structure tree, or the cost code is generated according to the hierarchical structure form of the specialty, the subproject, the secondary subproject, the component category and the component subcategory in the cost structure tree, so that the purpose of flexibly generating the cost code according to different levels can be achieved.
In step S4 of the embodiment of the present invention, the method for performing automatic cost calculation specifically includes:
a1, matching a component example which accords with the cost rule under the component type according to the cost rule of the current mark segment stored in the mark segment sub-base table;
a2, extracting corresponding BIM model engineering quantities through component attributes in component examples meeting the construction cost rules according to the quantity attributes in the standard segment sub-base table;
a3, endowing construction cost information to the members in the extracted BIM model engineering quantity;
the construction cost information comprises 12-bit list coding of the member, converted engineering quantity, BOQ items of contracts, unit price, comprehensive price and other information, wherein BOQ items of the contracts show contract related information in a structure tree mode, the list, unit price, engineering quantity, contract price and other related information corresponding to the contract items of different levels, and users can quickly position the unit price and the list information of specific contract items through the levels.
In the step a2, when the extracted BIM model engineering quantity does not satisfy the measurement, it is converted by the conversion formula in the segment sub-base table to obtain the corresponding model proposed engineering quantity as the object of the cost information given in the step A3.
In the process of matching the cost rule, the same component type is supported to match a plurality of 12-bit list codes; when the BIM model engineering quantity is extracted, the BIM model engineering quantity is checked, a display mode of overweight data is supported, and a user can select various modes such as engineering quantity derivation corresponding tables and page display to check the data.
In step S5 of the embodiment of the present invention, the computer is audited by the cost consulting unit and the relevant personnel of the owner, the audited payment application form is formed by combining the approved calculation books, the payment form includes the amount of the calculation book, also includes the amounts of the temporary listed money, the award and default penalty, the material adjustment difference, the claim, and the like, and enters the payment stage after the audit is passed, in the auditing process, the auditor can check the payment condition in a three-dimensional visual manner by means of the BIM model, and the system can automatically mark the component examples to be paid in the payment form as a color highlighted display, such as green.
Example 2:
the embodiment of the invention provides a project cost computation management system realized based on the method in the embodiment 1, which comprises the following steps:
cost rule determination module: for storing cost rules for various components;
the construction cost structure tree generation module: the system is used for generating a corresponding construction cost structure tree according to the BIM model and carrying out construction cost coding on the construction cost structure tree;
the cost coding module: the method is used for intelligently matching the cost rules according to the cost attribute of each BIM component example in the BIM model to form the cost code of each component example;
the cost calculation module: the system is used for intelligently combining the prior construction cost coding BIM component examples and generating a construction cost calculation book;
the manufacturing cost auditing module: and the system is used for auditing the generated construction cost calculation book and starting a payment process to realize the management of the construction cost calculation amount.
The BIM implementation application standard stored by the construction cost rule determining module in the embodiment of the invention corresponds to a member information general table, the member information general table comprises a modeling standard, an accuracy standard, a coding standard and a construction cost rule, wherein the construction cost rule is stored in a mark segment sub-table, and a 12-bit list coding rule, a quantity attribute and a conversion formula for calculating the engineering quantity provided by a model are also stored in the mark segment sub-table.
The component information summary table in the embodiment is used for managing the modeling standard and the cost rule of the full standard section, and realizing multi-party collaborative expansion of a design institute, a BIM consultation unit, a supervision unit, a cost company and the like, thereby achieving unified management of data such as modeling specification, cost specification and the like; the mark section sublibrary table is used for determining the cost information and the cost rule corresponding to each mark section on the basis of the cost attribute in the cost rule in the member information general table.
The construction cost structure tree in the embodiment stores project, mark section, subsection project, sub-unit project, specialty, sub-specialty, second level sub-specialty, component category, component sub-category and component type information in the BIM model in a tree structure form; when the cost codes are generated, the cost codes can be generated according to types, and meanwhile, the cost codes are generated according to levels such as profession, sub-profession, secondary sub-profession, component type, component sub-type and the like according to different cost tree structures, so that the purpose of flexibly generating the cost codes according to different levels is achieved.
In the above-mentioned construction cost matching module, by means of component type hierarchy example, the system can intelligently match the components under the type according to the construction cost rule recorded in the sub-library, find out the component example meeting the construction cost rule, and according to the "quantity attribute" recorded in the sub-library, extract the corresponding BIM project quantity by means of component attribute in the component example meeting the construction cost rule, and give the corresponding construction cost information, including 12 bits list code, converted project quantity, contract BOQ item, unit price and comprehensive price.
In the cost auditing module, an auditing process is initiated for the generated cost calculation book, and the cost calculation book is submitted to a cost consulting unit and relevant personnel of an owner for auditing.
Claims (9)
1. A project cost calculation management method based on BIM technology is characterized by comprising the following steps:
s1, constructing a BIM implementation application standard;
s2, building a BIM model of the current engineering project according to the BIM implementation application standard, and building a construction cost structure tree;
s3, cost coding is carried out on each BIM component example in the cost structure tree;
s4, according to the cost code, automatically calculating the cost calculation amount of the BIM component example in the BIM model, and automatically generating a calculation book of the component example meeting the measurement;
and S5, checking the calculation book, generating a payment list, entering a payment process, and finishing the engineering cost calculation amount management.
2. The BIM technology-based construction cost computational management method according to claim 1, wherein the BIM implementation application criteria in the step S1 includes modeling criteria, accuracy criteria, coding criteria, and construction cost rules;
the BIM implements application standards to form a member information general table, the cost rule is stored in a standard segment sub-table, and a 12-bit list coding rule, a quantity attribute and a conversion formula for calculating a model and providing a project quantity are also stored in the standard segment sub-table.
3. The BIM technology-based project cost computation management method according to claim 2, wherein the step S2 is specifically:
and analyzing the BIM model into a standardized construction cost structure tree of items, mark sections, major, sub-major, secondary sub-major, member categories, member sub-categories and member types which are sequentially arranged from top to bottom.
4. The BIM technology-based project cost computation management method according to claim 3, wherein the step S3 is specifically: the cost code is generated according to the type of the member in the cost structure tree or the hierarchical structure form of the specialty, the sub-specialty, the secondary sub-specialty, the member category and the member sub-category in the cost structure tree.
5. The BIM technology-based construction cost computation management method according to claim 3, wherein the step S4 of performing the automatic construction cost computation specifically comprises:
a1, matching a component example which accords with the cost rule under the component type according to the cost rule of the current mark segment stored in the mark segment sub-base table;
a2, extracting corresponding BIM model engineering quantities through component attributes in component examples meeting the construction cost rules according to the quantity attributes in the standard segment sub-base table;
a3, endowing construction cost information to the members in the extracted BIM model engineering quantity;
the construction cost information includes the 12-bit list code of the component, the converted engineering quantity, BOQ items of the contract, unit price and comprehensive price.
6. The BIM technology-based construction cost computation management method according to claim 5, wherein in the step A2, when the extracted BIM model construction amount does not satisfy the measurement, the extracted BIM model construction amount is converted by a conversion formula in a segment sub-base table to obtain the corresponding model proposed construction amount as the object to which construction cost information is given in the step A3.
7. A project cost accounting system of a project cost accounting method based on BIM technology according to any one of claims 1 to 6, comprising:
cost rule determination module: for storing BIM implementation application standards;
the construction cost structure tree generation module: the system is used for generating a corresponding construction cost structure tree according to the BIM model and carrying out construction cost coding on the construction cost structure tree;
the cost coding module: the method is used for intelligently matching the cost rules according to the cost attribute of each BIM component example in the BIM model to form the cost code of each component example;
the cost calculation module: the system is used for intelligently combining the prior construction cost coding BIM component examples and generating a construction cost calculation book;
the manufacturing cost auditing module: and the system is used for auditing the generated construction cost calculation book and starting a payment process to realize the management of the construction cost calculation amount.
8. The project cost computation management system of claim 7, wherein the cost rule determination module stores BIM application criteria including modeling criteria, accuracy criteria, coding criteria and cost rules.
9. The project cost computation management system of claim 7, wherein the cost structure tree stores project, section, subsection, sub-unit, specialty, sub-specialty, second level sub-specialty, component category, component sub-category, and component type information in the BIM model in a tree structure.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114463071A (en) * | 2022-03-10 | 2022-05-10 | 武汉望曦龙辰建筑劳务有限公司 | Building engineering project cost evaluation management method, device and storage medium based on BIM building model |
| CN114692278A (en) * | 2022-04-11 | 2022-07-01 | 河南华北水利水电勘察设计有限公司 | Three-dimensional model-oriented hydraulic engineering construction cost method, system and terminal thereof |
| CN114971597A (en) * | 2022-07-29 | 2022-08-30 | 浙江小塔塔峰软件技术有限公司 | Road cost calculation system and method based on BIM calculation amount and metering payment |
| CN115860846A (en) * | 2023-02-20 | 2023-03-28 | 山东铁路投资控股集团有限公司 | Construction cost calculation method, system, equipment and readable storage medium |
| CN115880396A (en) * | 2023-02-03 | 2023-03-31 | 山东铁路投资控股集团有限公司 | Construction progress chart automatic generation system and method based on construction organization design |
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2021
- 2021-11-05 CN CN202111304645.0A patent/CN114021215A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114463071A (en) * | 2022-03-10 | 2022-05-10 | 武汉望曦龙辰建筑劳务有限公司 | Building engineering project cost evaluation management method, device and storage medium based on BIM building model |
| CN114692278A (en) * | 2022-04-11 | 2022-07-01 | 河南华北水利水电勘察设计有限公司 | Three-dimensional model-oriented hydraulic engineering construction cost method, system and terminal thereof |
| CN114971597A (en) * | 2022-07-29 | 2022-08-30 | 浙江小塔塔峰软件技术有限公司 | Road cost calculation system and method based on BIM calculation amount and metering payment |
| CN115880396A (en) * | 2023-02-03 | 2023-03-31 | 山东铁路投资控股集团有限公司 | Construction progress chart automatic generation system and method based on construction organization design |
| CN115860846A (en) * | 2023-02-20 | 2023-03-28 | 山东铁路投资控股集团有限公司 | Construction cost calculation method, system, equipment and readable storage medium |
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