CN114511203A - Method and system for rapidly outputting project amount list based on BIM (building information modeling) - Google Patents
Method and system for rapidly outputting project amount list based on BIM (building information modeling) Download PDFInfo
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Abstract
The invention discloses a method and a system for rapidly outputting a project amount list based on a BIM (building information modeling), wherein the method comprises the following steps: calling a pre-established component information summary table, and establishing a BIM model; establishing a metering pricing rule according to a component information summary table and the modeling characteristics of BIM software; importing the data of the BIM model and the measurement pricing rule into a construction cost platform; compiling a list database according to the incidence relation between the model structure classification codes and the first 9-bit codes of the engineering quantity list; and traversing the inventory library to obtain the associated target model component, extracting the cost attribute of the target model component through the BIM, and generating a corresponding engineering quantity inventory table by combining with the metering pricing rule. The invention establishes the high-precision and high-standard BIM model, applies the BIM model to the calculated amount of the engineering quantity list, and simultaneously realizes the automatic matching and association of the model component and the engineering quantity list, thereby not only saving the calculated amount time and reducing the repeated calculated amount, but also improving the working efficiency and the accuracy of the bidding stage and the measuring and pricing stage after quality evaluation.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a method and a system for rapidly outputting a project amount list based on a BIM (building information modeling) model.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The construction cost of the prior construction engineering usually adopts the manual construction cost mode of construction cost personnel, has higher requirements on the professional quality of the construction cost personnel and needs to spend a great deal of energy. In recent years, the construction cost consultation industry generally adopts traditional graphic computation software of enterprises such as Guangdong, morning and Stewell to build a non-solid model, runs a software built-in computation rule to approximately compute and count the engineering quantity, and then manually inputs drawing parameter information to form a partial project engineering quantity list pricing table based on pricing software in combination with a two-dimensional CAD drawing and construction cost experience. CAD drawings are introduced into traditional graph computation software for batch identification and construction cost computation model establishment, so that manual computation work can be reduced to a certain extent, work efficiency is improved, and a large amount of time is consumed. Meanwhile, each participating main body carries out calculation amount pricing activity in an array mode, each project needs to repeat calculation amount for many times, and the calculation amount is limited by the service level of a practitioner and the understanding depth of a two-dimensional drawing, so that the deviation of the result of each measurement is easily caused.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a method and a system for rapidly outputting a project amount list based on a BIM (building information modeling) model.
The technical scheme for solving the technical problems is as follows: a method for rapidly outputting a project amount list based on a BIM model comprises the following steps:
s1, calling a pre-established component information summary table, and establishing a BIM (building information modeling) model of a target item according to the component information summary table, wherein each model component of the BIM model is hung with standardized component information;
s2, establishing a measurement pricing rule based on the BIM according to the component information summary and the modeling characteristics of the BIM software;
s3, acquiring a data interaction format and a data interaction standard of the BIM and the construction cost platform, and importing the data of the BIM and the measurement pricing rule into the construction cost platform;
s4, compiling a list library according to the incidence relation between the model structure classification code in the member information summary sheet and the first 9 codes of the engineering quantity list;
and S5, traversing the inventory library according to the project characteristics corresponding to the engineering quantity inventory to obtain the associated target model component, extracting the cost attribute of the target model component through the BIM, and generating a corresponding engineering quantity inventory table by combining with the metering pricing rule.
Further, the building of the metering pricing rule based on the BIM model according to the component information summary and the modeling characteristics of the BIM software specifically includes:
marking a first model component which can be modeled and can be directly measured, a second model component which can be modeled but can not directly utilize engineering quantity and a third model component which is modeled but can calculate the engineering quantity according to data in the two-dimensional graph according to modeling characteristics of BIM software;
for the first model component, carrying out metering pricing according to the number of the first model component in the metering pricing rule;
for the second model component, carrying out metering pricing according to a conversion formula between a metering unit and a quantity unit in the metering pricing rule;
for a regular model component in the third model component, associating parameters in a calculation formula with corresponding component information when creating a family, and metering and pricing according to the association relation;
and calculating by adopting size data and/or filling data marked in a two-dimensional drawing aiming at the irregular model component in the third model component to generate a metering and pricing result.
Further, the S5 specifically includes the following steps:
s501, traversing the inventory library according to the project characteristics corresponding to the engineering quantity list to obtain the associated target model components, and adopting the BIM model to perform quantity output on the regular model components in the first model component, the second model component and the third model component to form an initial engineering quantity list;
s502, respectively generating corresponding rear 3-bit codes according to price influence factors of a first model component, a second model component and a third model component in the associated target model components, combining the rear 3-bit codes with the corresponding front 9-bit codes in the initial engineering quantity list, and extracting the construction cost attribute of the corresponding model component to form a standard engineering quantity list;
s503, for the irregular model component in the third model component, compiling a non-entity list by adopting size data and/or filling data marked in a two-dimensional drawing;
and S504, adding the non-entity list into a corresponding standard engineering quantity list to generate a target engineering quantity list.
Further, the price influencing factors comprise mark sections, sizes, materials and weights, and when any one of the mark sections, the sizes, the materials and the weights is different, different last 3-bit codes are generated according to a random number algorithm.
Further, the method comprises the following steps:
obtaining a pre-estimated quantity result of the engineering quantity list;
comparing and checking the pre-estimated quantity result with the metering result of the engineering quantity list table to generate a metering error table;
and acquiring a target component of which the error value is larger than a corresponding preset error range in the metering error table, and adjusting the metering pricing rule of the target component according to the analysis result of the metering error so as to enable the adjusted error value to be in the preset error range.
Further, the method comprises the following steps: and acquiring the same members with the same cost attributes as the target members, and expanding the adjusted metering pricing rule to the same members according to the user instruction.
Further, the method comprises the following steps:
acquiring a preset threshold value of each category component in the engineering quantity list;
and traversing the project amount list table, screening the target component types larger than the preset threshold value and/or the target components with unfinished metering pricing, and generating an early warning prompt message.
Another technical solution of the present invention for solving the above technical problems is as follows: a system for rapidly producing a project amount list based on a BIM model comprises a calling module, a rule construction module, a standard acquisition module, an association module and a list generation module,
the calling module is used for calling a pre-established component information summary table and establishing a BIM (building information modeling) model of a target item according to the component information summary table, and each model component of the BIM model is hung with standardized component information;
the rule construction module is used for establishing a metering pricing rule based on the BIM according to the component information summary and the modeling characteristics of the BIM software;
the standard acquisition module is used for acquiring a data interaction format and a data interaction standard of the BIM model and the construction cost platform and importing the data of the BIM model and the metering pricing rule into the construction cost platform;
the correlation module is used for compiling a list database according to the correlation between the model structure classification codes in the component information summary table and the first 9-bit codes of the engineering quantity list;
the list generation module is used for traversing the list database according to the project characteristics corresponding to the engineering quantity list to obtain the associated target model component, extracting the cost attribute of the target model component through the BIM, and generating a corresponding engineering quantity list table by combining the measurement pricing rule.
Further, the rule construction module is used for marking a first model component which can be modeled and can be directly measured, a second model component which can be modeled but cannot directly utilize engineering quantity and a third model component which is modeled but needs to be calculated according to data in the two-dimensional graph, wherein the first model component, the second model component and the third model component are used for calculating the engineering quantity;
for the first model component, carrying out metering pricing according to the number of the first model component in the metering pricing rule;
for the second model component, metering pricing according to a conversion formula between metering units and quantity units in the metering pricing rule;
for a regular model component in the third model component, associating parameters in a calculation formula with corresponding component information when creating a family, and metering and pricing according to the association relation;
and calculating by adopting size data and/or filling data marked in a two-dimensional drawing aiming at the irregular model component in the third model component to generate a metering and pricing result.
Further, the manifest generation module specifically includes:
the first compiling unit is used for traversing the inventory library according to the project characteristics corresponding to the engineering quantity list to obtain the associated target model components, and for the regular model components in the first model component, the second model component and the third model component, the BIM model is adopted to carry out quantity output and an initial engineering quantity list is formed;
the first generation unit is used for respectively generating corresponding rear 3-bit codes according to price influence factors of a first model component, a second model component and a third model component in the associated target model components, and extracting the cost attributes of the corresponding model components to form a standard engineering quantity list after the rear 3-bit codes are combined with the corresponding front 9-bit codes in the initial engineering quantity list;
the second compiling unit is used for compiling a non-entity list for the irregular model component in the third model component by adopting size data and/or filling data marked in the two-dimensional drawing;
and the second generating unit is used for adding the non-entity list into a corresponding standard engineering quantity list to generate a target engineering quantity list.
The invention has the beneficial effects that: the invention provides a method and a system for rapidly outputting a project amount list based on a BIM (building information modeling) model, wherein the BIM model is applied to the calculated amount of the project amount list by establishing the BIM model with high precision and high standard, and meanwhile, the automatic matching and association of a model component and the project amount list are realized by extracting the attribute information of the model component, so that the calculated amount time can be saved, the repeated calculated amount is reduced, the working efficiency and the accuracy of a bidding stage and a measuring and pricing stage after quality inspection and evaluation are improved, the working load of construction cost personnel is reduced, and the informatization and the automatic construction of the project cost management are promoted.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic flowchart of a method for rapidly generating a work load list based on a BIM model according to an embodiment of the present invention;
fig. 2 is a block diagram of a structure of a system for quickly generating a work volume list based on a BIM model according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1, a method for quickly generating a project amount list based on a BIM model provided in an embodiment of the present invention includes the following steps:
and S1, calling a pre-established component information summary table, and establishing a BIM (building information modeling) model of the target item according to the component information summary table, wherein each model component of the BIM model is hung with standardized component information.
The embodiment firstly constructs a member information summary table, defines header contents of general attributes, modeling modes, geometric accuracy information, member attributes, construction attributes and construction cost attributes of each member in a BIM design model in the member information summary table, and unifies the contents in rules, so that the members are classified clearly, the member naming rules are clear, the geometric accuracy of each stage is clear, the model structure of the same type of members is matched with the construction cost list structure, and the output unit of the model is consistent with the construction cost measurement unit, thereby facilitating the application of subsequent construction cost and measurement payment.
And then executing S2, and establishing a metering pricing rule based on the BIM according to the component information summary and the modeling characteristics of the BIM software. Direct or indirect component engineering quantity statistics can be rapidly realized on the basis of the BIM model, and a data basis is provided for metering payment. The invention needs to carry out measurement payment according to the BIM model, so the accuracy and efficiency of calculating the engineering quantity through the model are particularly critical to the invention. In a preferred embodiment, the metering pricing rule has the following three condition measurement modes, namely, a first model component which can be modeled and directly measured, such as a wall beam slab column and the like, is determined according to the component information summary table and the modeling characteristics of the BIM software; a second model member, such as a steel structure or the like, which can model but cannot directly utilize engineering quantities; and a third model component which has a model but needs to calculate engineering quantity according to data in the two-dimensional graph.
And metering and pricing according to the number of the first model components in the metering and pricing rule for the first model components.
For the second model component, a metering price is made in the metering rule according to a conversion formula between a metering unit and a quantity unit. If the measured unit of the steel structure is weight, the mass density parameter and the mass parameter are newly added when the detail list is output, and the corresponding formula mass parameter = mass density volume is set, so that the weight of the steel structure can be represented in the component detail list.
And for the regular model components in the third model components, associating the parameters in the calculation formula with the corresponding component information when creating the family, and metering and pricing according to the association relationship. If the step decoration is calculated according to the engineering quantity calculation rule, namely the step horizontal projection area is calculated according to the schematic size of the drawing, the length and the width are marked, and then the projection area can be automatically calculated.
And calculating by adopting size data and/or filling data marked in a two-dimensional drawing aiming at the irregular model component in the third model component to generate a metering and pricing result.
According to the invention, metering payment is required according to the BIM model, and the analysis proves that almost all engineering quantity extraction work can be completed through the BIM model in the embodiment of the invention, so that the accuracy of the BIM model and the rapidity of the extraction quantity are one of the targets of the application of the BIM technology at this stage.
Then, perform S3 and S4, S3: and acquiring a data interaction format and a data interaction standard of the BIM and the construction cost platform, and importing the data of the BIM and the metering pricing rule into the construction cost platform. S4: and compiling a list library according to the incidence relation between the model structure classification codes in the component information summary table and the first 9-bit codes of the engineering quantity list. The mapping relation between the model structure classification code and the first 9-bit code of the engineering quantity list is established when the rule of the component information general table is established, so that the unique corresponding engineering quantity list code can be obtained by inquiring the model structure code of the component. And then executing a step S5, traversing the inventory library according to the project characteristics corresponding to the engineering quantity inventory to obtain the associated target model component, extracting the cost attribute of the target model component through the BIM, and generating a corresponding engineering quantity inventory table by combining with the metering pricing rule.
In a preferred embodiment, the step S5 further includes the following steps:
s501, traversing the inventory library according to the project characteristics corresponding to the engineering quantity list to obtain the associated target model components, and adopting the BIM model to perform quantity output on the regular model components in the first model component, the second model component and the third model component to form an initial engineering quantity list.
S502, respectively generating corresponding rear 3-bit codes according to price influence factors of a first model component, a second model component and a third model component in the associated target model components, combining the rear 3-bit codes with the corresponding front 9-bit codes in the initial engineering quantity list, and acquiring the cost attribute of the only corresponding model component through the 12-bit codes to form a standard engineering quantity list. In a specific embodiment, the price influencing factors include mark sections, sizes, materials, weights and the like, and when any one of the mark sections, the sizes, the materials and the weights is different, different last 3-bit codes can be generated according to a random number algorithm.
S503, for the irregular model component in the third model component, adopting the size data and/or the filling data marked in the two-dimensional drawing to compile a non-entity list.
S504, adding the non-entity list into a corresponding standard engineering quantity list to generate a target engineering quantity list, and extracting standard engineering quantity based on the BIM model.
In a preferred embodiment, the engineering quantity list includes the following component details: information families and types, component names, quantity attributes, quantity units, floors, systems, sub-unit projects, inventory codes, and the like.
According to the method for rapidly outputting the project amount list, in the implementation process, the model is split, integrated and subdivided according to the preset corresponding metering pricing rule, quality acceptance information and metering related data are hooked with the deepened design model, and rapid calling of most of component metering information is achieved. For the component which can directly output the engineering quantity in the engineering quantity list item, the engineering quantity output by the deepened design model is used as the basis for metering payment application, for the model which can not directly output the engineering quantity, the engineering quantity is calculated according to the metering pricing, and the calculation result is used as the basis for metering payment application. And applies for project quality acceptance, intermediate payment, final payment, etc. according to the contractual provisions, and submits to a designer, a proctoring person, an owner/BIM consultant, an owner/cost consultant institution, etc. for examination.
In a preferred embodiment, the method for rapidly generating the engineering quantity list based on the BIM model further includes the following steps: and acquiring a pre-estimated quantity result of the engineering quantity list, wherein the pre-estimated quantity result can be a metering result obtained by manual calculation, table calculation and the like or a metering result generated according to historical data or other related data of similar building projects.
And comparing and checking the pre-estimated quantity result with the metering result of the engineering quantity list table to generate a metering error table, wherein the metering error table comprises the pre-estimated quantity result and the actual metering result of each component.
And acquiring and identifying target components with error values larger than corresponding preset error ranges in the metering error table, wherein the preset error ranges of each target component can be respectively set according to component types, component names, quantity attributes and/or quantity units and the like, and the preset error ranges are adjusted in real time according to actual conditions, such as the above price influencing factors, so as to obtain real-time error ranges. Specifically, the real-time error range = a × the preset error range, a is a price influence factor, and a is a comprehensive weight of a component category, a component name, a mark section, a size, a material, and/or a weight. And when the actual error value is larger than the preset error range or the real-time error range, early warning is carried out, and then an adjusting scheme corresponding to the metering pricing rule of the target component is generated according to the analysis result of the metering error, so that the adjusted error value is in the preset error range, the data of the engineering quantity list is more accurate, and the metering pricing result is more uniform.
In another preferred embodiment, the method for rapidly generating the engineering quantity list based on the BIM further comprises the following steps: and acquiring the same members with the same cost attributes as the target members, and expanding the adjusted metering pricing rule to the same members according to the user instruction. The similar components are components with the same manufacturing cost attributes, such as components with the same category, the same metering mode, the same mark section and the like, so that the accuracy of data in the project amount list is further improved.
In another preferred embodiment, the method for rapidly generating the engineering quantity list based on the BIM further comprises the following steps:
acquiring a preset threshold value of each category corresponding component in the engineering quantity list;
and traversing the engineering quantity list table, screening target components larger than the preset threshold value and/or target components which are not metered and priced, and generating an early warning prompt message, so that components with obviously incorrect metering and pricing results or components which are not metered and priced are quickly and accurately screened out from the engineering quantity list, and the accuracy of data in the engineering quantity list is further improved.
The embodiment provides a method for rapidly issuing a project amount list based on a BIM model, which is characterized in that the BIM model with high precision and high standard is established, the BIM model is applied to the calculated amount of the project amount list, and meanwhile, the attribute information of the model component is extracted to realize the automatic matching and association of the model component and the project amount list, so that the calculated amount time can be saved, the repeated calculated amount is reduced, the working efficiency and the accuracy of a bidding stage and a measuring and pricing stage after quality evaluation are improved, the working load of construction cost personnel is reduced, and the informatization and the automatic construction of the project cost management are promoted.
In one embodiment, as shown in fig. 2, a BIM-based quick work load invoice system includes a calling module 100, a rule building module 200, a standard obtaining module 300, an association module 400 and an invoice generating module 500,
the calling module 100 is configured to call a pre-established component information summary table, and establish a BIM model of a target item according to the component information summary table, where each model component of the BIM model is connected with standardized component information in a hanging manner;
the rule construction module 200 is configured to establish a metering pricing rule based on the BIM model according to the component information summary and modeling characteristics of the BIM software;
the standard obtaining module 300 is configured to obtain a data interaction format and a data interaction standard of the BIM model and the construction cost platform, and import the data of the BIM model and the metering pricing rule into the construction cost platform;
the association module 400 is used for compiling a list database according to the association relationship between the model structure classification code in the component information summary table and the first 9-bit code of the engineering quantity list;
the list generation module 500 is configured to traverse the list library according to the project features corresponding to the engineering quantity list to obtain the associated target model component, extract the cost attribute of the target model component through the BIM model, and generate the corresponding engineering quantity list table in combination with the metering pricing rule.
In another preferred embodiment, the rule building module 200 is specifically configured to mark, according to the modeling characteristics of the BIM software, a first model component that can be modeled and directly obtained from the component information summary table, a second model component that can be modeled but cannot directly utilize engineering quantities, and a third model component that is modeled but needs to be calculated according to data in the two-dimensional map for calculating engineering quantities;
for the first model component, carrying out metering pricing according to the number of the first model component in the metering pricing rule;
for the second model component, metering pricing according to a conversion formula between metering units and quantity units in the metering pricing rule;
for a regular model component in the third model component, associating parameters in a calculation formula with corresponding component information when creating a family, and metering and pricing according to the association relation;
and calculating by adopting size data and/or filling data marked in a two-dimensional drawing aiming at the irregular model component in the third model component to generate a metering and pricing result.
In another preferred embodiment, the manifest generation module 500 specifically includes:
a first compiling unit 501, configured to traverse the inventory library according to the item features corresponding to the engineering quantity list to obtain a related target model component, and for a regular model component in the first model component, the second model component, and the third model component, adopt the BIM model to perform a quantity output, and form an initial engineering quantity list;
a first generating unit 502, configured to generate corresponding last 3-bit codes according to price influencing factors of a first model component, a second model component, and a third model component in the associated target model components, respectively, and extract a cost attribute of the corresponding model component to form a standard engineering quantity list after combining with the corresponding first 9-bit codes in the initial engineering quantity list;
a second compiling unit 503, configured to compile a non-entity list of the irregular model component in the third model component by using the size data and/or the filling data marked in the two-dimensional drawing;
a second generating unit 504, configured to add the non-entity list to a corresponding standard engineering quantity list, and generate a target engineering quantity list.
In another preferred embodiment, the price influencing factors comprise mark sections, sizes, materials and weights, and when any one of the mark sections, the sizes, the materials and the weights has a difference, different last 3-bit codes are generated according to a random number algorithm.
In another preferred embodiment, the system for rapidly issuing the engineering quantity list based on the BIM model further includes a rule adjusting module 600, the rule adjusting module 600 is configured to obtain a pre-estimated quantity result of the engineering quantity list, compare and check the pre-estimated quantity result with a measurement result of the engineering quantity list table to generate a measurement error table, obtain a target component in the measurement error table whose error value is greater than a corresponding preset error range, and adjust a measurement pricing rule of the target component according to an analysis result of the measurement error, so that the adjusted error value is within the preset error range.
In a preferred embodiment, the rule adjusting module 600 is further configured to obtain a similar component having the same cost attribute as the target component, and extend the adjusted metering pricing rule to the similar component according to a user instruction.
In another preferred embodiment, the system for rapidly issuing the engineering quantity list based on the BIM model further includes an early warning module 700, where the early warning module 700 is configured to obtain a preset threshold of a component corresponding to each category in the engineering quantity list, traverse the engineering quantity list table, screen a target component category and/or a target component with incomplete metering pricing larger than the preset threshold, and generate an early warning prompt message.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
It should be noted that the foregoing embodiments are product embodiments corresponding to the foregoing method embodiments, and for the description of each optional implementation in the product embodiments, reference may be made to the corresponding description in each method embodiment, which is not described herein again.
The embodiment provides a system for rapidly outputting a project amount list based on a BIM (building information modeling) model, which is characterized in that the BIM model with high precision and high standard is established, the BIM model is applied to the project amount list calculated amount, and meanwhile, the automatic matching and association of a model component and the project amount list are realized by extracting the attribute information of the model component, so that the calculated amount time can be saved, the repeated calculated amount is reduced, the working efficiency and the accuracy of a bidding stage and a measuring and pricing stage after quality inspection and evaluation are improved, the working burden of construction cost workers is reduced, and the informatization and the automatic construction of the project cost management are promoted.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for rapidly outputting a project amount list based on a BIM model is characterized by comprising the following steps:
s1, calling a pre-established component information summary table, and establishing a BIM (building information modeling) model of a target item according to the component information summary table, wherein each model component of the BIM model is hung with standardized component information;
s2, establishing a measurement pricing rule based on the BIM according to the component information summary and the modeling characteristics of the BIM software;
s3, acquiring a data interaction format and a data interaction standard of the BIM and the construction cost platform, and importing the data of the BIM and the measurement pricing rule into the construction cost platform;
s4, compiling a list library according to the incidence relation between the model structure classification code in the member information summary sheet and the first 9 codes of the engineering quantity list;
and S5, traversing the inventory library according to the project characteristics corresponding to the engineering quantity inventory to obtain the associated target model component, extracting the cost attribute of the target model component through the BIM, and generating a corresponding engineering quantity inventory table by combining with the metering pricing rule.
2. The method for rapidly issuing the project quantity list based on the BIM model according to claim 1, wherein the measuring pricing rule based on the BIM model is established according to the component information summary and the modeling characteristics of the BIM software, and specifically comprises the following steps:
marking a first model component which can be modeled and can be directly measured, a second model component which can be modeled but can not directly utilize engineering quantity and a third model component which is modeled but can calculate the engineering quantity according to data in the two-dimensional graph according to modeling characteristics of BIM software;
for the first model component, carrying out metering pricing according to the number of the first model component in the metering pricing rule;
for the second model component, metering pricing according to a conversion formula between metering units and quantity units in the metering pricing rule;
for a regular model component in the third model component, associating parameters in a calculation formula with corresponding component information when creating a family, and metering and pricing according to the association relation;
and calculating by adopting size data and/or filling data marked in a two-dimensional drawing aiming at the irregular model component in the third model component to generate a metering and pricing result.
3. The BIM model-based method for rapidly generating the project quantity inventory according to claim 1 or 2, wherein the S5 specifically comprises the following steps:
s501, traversing the inventory library according to the project characteristics corresponding to the engineering quantity list to obtain the associated target model components, and adopting the BIM model to perform quantity output on the regular model components in the first model component, the second model component and the third model component to form an initial engineering quantity list;
s502, respectively generating corresponding rear 3-bit codes according to price influence factors of a first model component, a second model component and a third model component in the associated target model components, combining the rear 3-bit codes with the corresponding front 9-bit codes in the initial engineering quantity list, and extracting the construction cost attribute of the corresponding model component to form a standard engineering quantity list;
s503, for the irregular model component in the third model component, compiling a non-entity list by adopting size data and/or filling data marked in a two-dimensional drawing;
and S504, adding the non-entity list into a corresponding standard engineering quantity list to generate a target engineering quantity list.
4. The BIM model-based method for rapidly drawing out the engineering quantity inventory according to claim 3, wherein the price influencing factors comprise a mark segment, a size, a material and a weight, and when any one of the mark segment, the size, the material and the weight is different, different last 3-bit codes are generated according to a random number algorithm.
5. The BIM model-based method for rapidly drawing the project quantity inventory according to claim 3, further comprising the following steps:
obtaining a pre-estimated quantity result of the engineering quantity list;
comparing and checking the pre-estimated quantity result with the metering result of the engineering quantity list table to generate a metering error table;
and acquiring a target component of which the error value is larger than a corresponding preset error range in the metering error table, and adjusting the metering pricing rule of the target component according to the analysis result of the metering error so as to enable the adjusted error value to be in the preset error range.
6. The BIM model-based method for rapidly generating the engineering quantity bill according to claim 5, further comprising the steps of: and acquiring the same members with the same cost attributes as the target members, and expanding the adjusted metering pricing rule to the same members according to the user instruction.
7. The BIM model-based method for rapidly drawing the project quantity inventory according to claim 3, further comprising the following steps:
acquiring a preset threshold value of each category corresponding component in the engineering quantity list;
and traversing the project amount list table, screening the target component types larger than the preset threshold value and/or the target components with unfinished metering pricing, and generating an early warning prompt message.
8. A system for rapidly producing a project amount list based on a BIM model is characterized by comprising a calling module, a rule construction module, a standard acquisition module, an association module and a list generation module,
the calling module is used for calling a pre-established component information summary table and establishing a BIM (building information modeling) model of a target item according to the component information summary table, and each model component of the BIM model is hung with standardized component information;
the rule construction module is used for establishing a metering pricing rule based on the BIM according to the component information summary and the modeling characteristics of the BIM software;
the standard acquisition module is used for acquiring a data interaction format and a data interaction standard of the BIM model and the construction cost platform and importing the data of the BIM model and the metering pricing rule into the construction cost platform;
the correlation module is used for compiling a list database according to the correlation between the model structure classification codes in the component information summary table and the first 9-bit codes of the engineering quantity list;
the list generation module is used for traversing the list database according to the project characteristics corresponding to the engineering quantity list to obtain the associated target model component, extracting the cost attribute of the target model component through the BIM, and generating a corresponding engineering quantity list table by combining the measurement pricing rule.
9. The BIM model-based system for rapidly issuing the engineering quantity inventory according to claim 8, wherein the rule construction module is used for marking a first model component which can be modeled and directly fetched, a second model component which can be modeled but can not directly utilize engineering quantity and a third model component which is modeled but needs to calculate the engineering quantity according to data in the two-dimensional graph according to modeling characteristics of BIM software;
for the first model component, carrying out metering pricing according to the number of the first model component in the metering pricing rule;
for the second model component, carrying out metering pricing according to a conversion formula between a metering unit and a quantity unit in the metering pricing rule;
for a regular model component in the third model component, associating parameters in a calculation formula with corresponding component information when creating a family, and metering and pricing according to the association relation;
and calculating by adopting size data and/or filling data marked in a two-dimensional drawing aiming at the irregular model component in the third model component to generate a metering and pricing result.
10. The BIM model-based system for rapidly generating the engineering quantity list according to claim 9, wherein the list generation module specifically comprises:
the first compiling unit is used for traversing the inventory library according to the project characteristics corresponding to the engineering quantity list to obtain the associated target model components, and for the regular model components in the first model component, the second model component and the third model component, the BIM model is adopted to carry out quantity output and an initial engineering quantity list is formed;
the first generation unit is used for respectively generating corresponding rear 3-bit codes according to price influence factors of a first model component, a second model component and a third model component in the associated target model components, and extracting the cost attributes of the corresponding model components to form a standard engineering quantity list after the rear 3-bit codes are combined with the corresponding front 9-bit codes in the initial engineering quantity list;
the second compiling unit is used for compiling a non-entity list for the irregular model component in the third model component by adopting size data and/or filling data marked in the two-dimensional drawing;
and the second generating unit is used for adding the non-entity list into a corresponding standard engineering quantity list to generate a target engineering quantity list.
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