CN116579520A - Digital twin modeling method and device for carbon emission calculation - Google Patents
Digital twin modeling method and device for carbon emission calculation Download PDFInfo
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Abstract
The embodiment of the specification provides a digital twin modeling method and device for carbon emission calculation, wherein the method comprises the following steps: acquiring the layout condition of a construction site, acquiring basic parameters, stacking positions and using stages of components, determining engineering steps and procedure classifications, acquiring the types, basic parameters and arrangement positions of equipment, and acquiring the using conditions of various mechanical equipment by utilizing a signal sensing device; carrying out structural modeling by utilizing the Revit sub-construction steps, and synchronizing the running conditions of various devices to a device management platform; the Revit model and the equipment management platform are led into the PKPM-CES, carbon emission calculation is carried out by using the PKPM-CES according to the operation conditions of various equipment in the equipment management platform and carbon emission factors in the process of operating various equipment, working procedures, engineering and material processing, and the total carbon emission is summarized and output.
Description
Technical Field
The present document relates to the field of building information technology and computer technology, and in particular, to a digital twin modeling method and apparatus for carbon emission calculation.
Background
The existing carbon emission calculation method is relatively traditional, is not closely combined with the emerging technology, does not fully utilize informatization and digitalization means, and has relatively low calculation efficiency and relatively coarse precision;
in the prior art, most of carbon emission calculation aims at the whole life of a component design process or from component design to transportation to construction and operation and maintenance, and the carbon emission calculation aiming at a specific construction process is lacked;
in addition, in the prior art, most of carbon emission calculation aims at prediction before implementation or summary after completion of a certain project, the data value is relatively low, real-time carbon emission calculation and summary cannot be performed on project engineering, and abnormal carbon emission cannot be found in time.
In summary, a large amount of carbon emissions are generated in the building construction process, and large environmental pollution is caused. The traditional carbon emission calculation method is relatively rough and has insufficient flexibility, has the defects that the carbon emission of each process or equipment cannot be accurately and finely calculated, and the like, and cannot realize the calculation and monitoring of the carbon emission in real time. In addition, the carbon emission calculation is not formed into unified standard and is not perfect, the reference basis and the method for the carbon emission calculation in the construction stage are lacked, the data are relatively lacked, and the carbon emission factor database in the construction stage is lacked the approval of the authority department. Digital twin technology lacks similar application in the aspect of carbon emission calculation, most projects still keep an initially rough calculation method, and the degree of intellectualization and informatization is low.
Disclosure of Invention
The invention aims to provide a digital twin modeling method and device for carbon emission calculation, and aims to solve the problems in the prior art.
The invention provides a digital twin modeling method for carbon emission calculation, which comprises the following steps:
acquiring the layout condition of a construction site, acquiring basic parameters, stacking positions and using stages of components, determining engineering steps and procedure classifications, acquiring the types, basic parameters and arrangement positions of equipment, and acquiring the using conditions of various mechanical equipment by utilizing a signal sensing device;
carrying out structural modeling by utilizing the Revit sub-construction steps according to the layout condition of a construction site, the basic parameters of components, the stacking position and the using stage, the engineering step-by-step and procedure classification, the types of equipment, the basic parameters and the placement positions and the using condition of various mechanical equipment, and synchronizing the running conditions of various equipment to an equipment management platform;
the Revit model and the equipment management platform are led into the PKPM-CES, carbon emission calculation is carried out by using the PKPM-CES according to the operation conditions of various equipment in the equipment management platform and carbon emission factors in the process of operating various equipment, working procedures, engineering and material processing, and the total carbon emission is summarized and output.
The invention provides a digital twin modeling device for carbon emission calculation, which comprises:
the acquisition module is used for acquiring the layout condition of a construction site, acquiring basic parameters, stacking positions and using stages of components, determining engineering steps and procedure classifications, acquiring the types, basic parameters and placing positions of equipment, and acquiring the using conditions of various mechanical equipment by utilizing the signal sensing device;
the construction module is used for carrying out structural modeling by utilizing the Revit sub-construction steps according to the layout condition of a construction site, the basic parameters, the stacking position and the using stage of a component, the engineering step-by-step and procedure classification, the type, the basic parameters and the placing position of equipment and the using condition of various mechanical equipment, and synchronizing the running conditions of various equipment to the equipment management platform;
the calculation module is used for importing the Revit model and the equipment management platform into the PKPM-CES, calculating carbon emission by using the PKPM-CES according to the running conditions of various equipment in the equipment management platform and the carbon emission factors in the process of operating the various equipment, working procedures, engineering and material processing, and summarizing and outputting the various equipment, working procedures, engineering and total carbon emission.
By adopting the embodiment of the invention, the problems of low accuracy, poor flexibility and the like of the existing carbon emission calculation are solved, the informatization degree of the carbon emission calculation can be enhanced, the informatization management is realized, and a new idea is provided for the carbon emission calculation.
Drawings
For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description that follow are only some of the embodiments described in the description, from which, for a person skilled in the art, other drawings can be obtained without inventive faculty.
FIG. 1 is a flow chart of a digital twin modeling method for carbon emission calculations in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a digital twin modeling approach architecture for carbon emission calculations in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a digital twin modeling system for carbon emission calculations in accordance with an embodiment of the present invention.
Detailed Description
In order to enable a person skilled in the art to better understand the technical solutions in one or more embodiments of the present specification, the technical solutions in one or more embodiments of the present specification will be clearly and completely described below with reference to the drawings in one or more embodiments of the present specification, and it is obvious that the described embodiments are only some embodiments of the present specification, not all embodiments. All other embodiments, which can be made by one or more embodiments of the present disclosure without inventive faculty, are intended to be within the scope of the present disclosure.
Method embodiment
According to an embodiment of the present invention, there is provided a digital twin modeling method for carbon emission calculation, and fig. 1 is a flowchart of the digital twin modeling method for carbon emission calculation according to the embodiment of the present invention, as shown in fig. 1, and the digital twin modeling method for carbon emission calculation according to the embodiment of the present invention specifically includes:
step 101, acquiring the layout condition of a construction site, acquiring basic parameters, stacking positions and using stages of components, determining engineering steps and procedure classifications, acquiring the types, basic parameters and placing positions of equipment, and acquiring the using conditions of various mechanical equipment by utilizing a signal sensing device; the method specifically comprises the following steps:
acquiring a layout condition of a construction site through three-dimensional scanning and/or construction drawing, wherein the layout condition specifically comprises the following steps: office areas, living areas, construction roads, processing areas, material yards, and arrangements of mechanical equipment;
obtaining the model, physical parameters, quantity, stacking position and using stage of the components according to the component list, the engineering drawing and the engineering schedule, and determining engineering steps and procedure classification;
obtaining the types, basic parameters and placement positions of the equipment according to the equipment list and the construction drawing, and classifying the equipment, wherein the equipment types specifically comprise: time-long type equipment, heavy-duty equipment and small-sized equipment;
the method comprises the steps of obtaining the service conditions of various mechanical equipment by using a signal sensing device, wherein the type of the signal sensing device comprises a timing sensor, a quality sensor and a distance sensor, the timing sensor is arranged on time-length equipment, and the quality sensor and the distance sensor are arranged on load-carrying equipment.
102, carrying out structural modeling by utilizing a Revit sub-construction step according to the layout condition of a construction site, basic parameters of components, stacking positions and using stages, engineering step-by-step and procedure classification, types of equipment, basic parameters and arrangement positions and the using conditions of various mechanical equipment, and synchronizing the running conditions of various equipment to an equipment management platform; the method specifically comprises the following steps: and when modeling, classifying the construction steps according to actual construction procedures, dividing time nodes according to corresponding projects and procedures, and determining procedure information of various used components, wherein the actual construction steps specifically comprise: earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
And step 103, importing the Revit model and the equipment management platform into a PKPM-CES, calculating carbon emission by using the PKPM-CES according to the running conditions of various equipment in the equipment management platform and the carbon emission factors in the process of operating the various equipment, working procedures, engineering and material processing, and summarizing and outputting the equipment, working procedures, engineering and total carbon emission. The method specifically comprises the following steps: calculating carbon emission by using PKPM-CES, and calculating carbon emission of various industrial species in the construction process and carbon emission generated by physical or chemical change in the processing process of the material;
and obtaining equipment, working procedures, projects and final total carbon emission according to the working condition of mechanical equipment, the artificial carbon emission condition in the construction process and the carbon emission condition of material processing.
Specifically:
calculating the total carbon emission in the construction process according to the formula 1:
C SUM ＝ C 1 + C 2 + C 3 + C 4 + C R equation 1;
wherein C is SUM Representing the total carbon emission in the construction process, C 1 、C 2 、C 3 、C 4 Respectively representing carbon emission during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering, C R Representing the carbon emission of daily operation of a construction site, C R ＝C O +C L ，C O Representing the carbon emission of daily office work of a construction site, C L Representing the carbon emission of daily life in a construction site;
calculating the total carbon emission of the ith construction process according to formula 2:
C i ＝ C i1 + C i2 + C i3 equation 2;
wherein C is i Represents the total carbon emission of the ith construction process, i=1, 2,3,4, c i1 、C i2 、C i3 Respectively representing the carbon emission of constructors, equipment operation and material processing in the ith construction process;
calculating the total carbon emission of constructors in the construction process according to a formula 3:
C P ＝ C 11 + C 21 +C 31 + C 41 equation 3;
wherein C is P Representing the total carbon emission of constructors in the construction process, C 11 、C 21 、C 31 、C 41 Respectively representing the carbon emission of constructors during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
Calculating the total carbon emission of the equipment machine in the construction process according to the formula 4:
C E ＝ C 12 + C 22 +C 32 + C 42 equation 4;
wherein C is E Indicating the total carbon emission of equipment and machinery in the construction process, C 12 、C 22 、C 32 、C 42 Respectively representing the carbon emission of equipment machinery during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering;
calculating the total carbon emission during the construction of the material processing according to formula 5:
C M ＝ C 13 + C 23 +C 33 + C 43 equation 5;
wherein C is M Representing the total carbon emission in the construction process of material processing, C 13 、C 23 、C 33 、C 43 Respectively representing the carbon emission of the material processing during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
In summary, the digital twin model of the embodiment of the invention not only can calculate the carbon emission of a single mechanical device or the final total carbon emission, but also can calculate the artificial carbon emission and the carbon emission of material processing in the construction process, and can calculate the carbon emission in real time according to engineering and working procedures, thereby completing real-time monitoring while the carbon emission is more clearly represented.
The embodiment of the invention solves the problems that the traditional carbon emission calculation method is relatively coarse and has insufficient flexibility, and generally only rough estimation is carried out in the design stage, and can obtain a result with finer and more accuracy.
The embodiment of the invention realizes the calculation of carbon emission by using the emerging information technology and intelligent software, improves the informatization degree of the building engineering, and promotes the development of intellectualization, digitalization and informatization of the building engineering.
The embodiment of the invention realizes the real-time monitoring of the carbon emission, and can be checked and corrected in the first time when larger abnormal data of carbon emission appear.
The above technical solutions of the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
The digital twin is a technology which fully utilizes models, data, intelligence and integrates multiple disciplines, and the digital twin model can also realize multistage interconnection with the Internet of things, sensors and the like; the digital twin is cooperated with information such as artificial intelligence, deep learning, data mining and the like, multi-source data acquisition can be performed in the construction process of the building engineering, detailed project, component and equipment information is generated, automation and intellectualization of data processing are realized, and a new thought and method are provided for carbon emission calculation research.
The embodiment of the invention can calculate and monitor the carbon emission for each project and each procedure of the construction project site construction. The method is based on a digital twinning concept, combines BIM technology and PKPM-CES software, establishes a twinning model for carbon emission calculation according to site information, component parameters and the like in the project construction process, obtains information such as the use frequency of equipment according to a signal sensor, and further can calculate the carbon emission of each construction step or each equipment and the final total carbon emission of the project.
The layout conditions of the construction site are obtained by utilizing the methods of three-dimensional scanning, construction drawings and the like, including office areas, living areas, construction roads, component processing areas, material component stacking areas, placement of construction machinery and the like, and the arrangement of the construction site is clearly known; and obtaining basic parameters, stacking positions and using stages of the components according to the component list, the engineering drawing and the engineering schedule, and primarily defining engineering steps and working procedure classifications.
Obtaining the types, basic parameters and placement positions of equipment according to the equipment list and the construction drawing, classifying the equipment, including long-time type equipment, load-carrying type equipment and small-sized equipment which is mainly manually operated by workers, wherein the power of the long-time type equipment is not greatly changed during operation, and the generated carbon emission is mainly related to the working time, such as lighting equipment, road rollers, mixers and the like; the load-carrying equipment is mainly responsible for horizontal transportation and vertical transportation of materials and components, and the carbon emission is related to the weight and distance of transported goods, such as tower cranes, transport vehicles and the like; small-sized equipment comprises a spot welder, a vibrator and the like, and the single carbon emission of the equipment is difficult to count, so that the use condition of the equipment in unit area or unit volume is considered, and the carbon emission is calculated.
The method comprises the steps that the use conditions of various mechanical equipment are obtained by utilizing a signal sensing device, the device is mainly divided into three types according to the classification of the equipment, the three types comprise a timing sensor, a quality sensor and a distance sensor, wherein the timing sensor is arranged on time length equipment and is used for recording the working time of the time length equipment; the mass sensor and the distance sensor are arranged on the load-carrying equipment, and the running distance of the transport equipment under various loading conditions is recorded so as to obtain the working condition of the transport equipment; the small-sized device does not use an inductor to record the working condition, but estimates the range of the small-sized device used in the construction site. And respectively importing various information of various devices into a data management platform, and preparing for data processing.
Structural modeling is carried out by utilizing Revit, and the modeling process corresponds to the actual construction process and is mainly divided into four parts: earth and stone engineering, pile foundation engineering, general civil engineering and decoration engineering, and are classified more carefully in each engineering according to actual construction procedures. When modeling, the time nodes are segmented according to the corresponding engineering and working procedures, and various components are added with information used under the working procedure except the basic geometric parameters.
And (3) performing carbon emission calculation by using PKPM-CES, introducing a Revit model into PKPM, introducing various information of various devices in a data management platform, inquiring carbon emission factors of various devices in operation, various industrial and construction and material processing processes according to a China carbon accounting database (CEADs) and a China lifecycle basic database (CLCD), and introducing the carbon emission factors into PKPM to perform carbon emission calculation.
The twin model is utilized to summarize and output the carbon emission calculation result, the twin model monitors the running condition of the equipment in real time and records the running condition in a program, the real-time carbon emission calculation can be realized, the real-time carbon emission calculation is stored in a cloud when the data are normal, and an alarm is given when the data are abnormal, so that a manager is prompted to check and correct the carbon emission calculation. And finally, collecting and outputting the carbon emission according to the working procedure, engineering and total amount.
C SUM ＝C 1 +C 2 +C 3 +C 4 +C R
Wherein C is SUM Representing the total carbon emission in the construction process, C 1 、C 2 、C 3 、C 4 Respectively representing carbon emission during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering, C R Representing the carbon emission of daily operations at the construction site.
C i ＝C i1 +C i2 +C i3 (i＝1,2,3,4)
Wherein C is i Represents the total carbon emission in the ith construction process, C i1 、C i2 、C i3 Respectively representing the carbon emission of constructors, equipment operation and material processing in the ith construction process.
C R ＝C O +C L
Wherein C is O Representing the carbon emission of daily office work of a construction site, C L Representing the carbon emission of daily life in a construction site.
C P ＝C 11 +C 21 +C 31 +C 41
Wherein C is P Representing the total carbon emission of constructors in the construction process, C 11 、C 21 、C 31 、C 41 Respectively representing the carbon emission of constructors during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
C E ＝C 12 +C 22 +C 32 +C 42
Wherein C is E Indicating the total carbon emission of equipment and machinery in the construction process, C 12 、C 22 、C 32 、C 42 Respectively representing the carbon emission of equipment and machinery during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
C M ＝C 13 +C 23 +C 33 +C 43
Wherein C is M Representing the total carbon emission in the construction process of material processing, C 13 、C 23 、C 33 、C 43 Respectively representing the carbon emission of the material processing during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
As shown in fig. 2, the digital twin modeling method for carbon emission calculation according to the embodiment of the present invention includes a sensing device for timing, weighing, and distance measurement, a computer equipped with modeling and analysis calculation software, a three-dimensional scanner, and the like.
Step one: the field layout of the construction site is obtained through three-dimensional scanning, the total number of various components is obtained through drawings and building scales, and the number and types of mechanical equipment and processing equipment of the construction site are combed, and personnel configuration of each construction step is carried out;
step two: arranging corresponding signal sensing devices and sensors on various devices and machines;
step three: carrying out structural modeling by utilizing the Revit sub-construction steps, and synchronizing the running conditions of various devices to a device management platform;
step four: linking the model and the data management platform to PKPM-CES for carbon emission calculation, and combing carbon emission factors of mechanical equipment, manpower and materials;
step five: and (5) summarizing and outputting the total carbon emission of each equipment, each process, each project and the total carbon emission.
In the first step, the construction site layout comprises office areas, living areas, construction roads, processing areas, material yards, mechanical equipment arrangement and the like, and the component information comprises models, parameters, quantity, storage positions and the like. The construction equipment is mainly divided into a long-time type equipment, a load-carrying type equipment and a small-size equipment which is mainly manually operated by workers, wherein the power of the long-time type equipment is not greatly changed during operation, and the generated carbon emission is mainly related to the working time, such as lighting equipment, road rollers, mixers and the like; the load-carrying equipment is mainly responsible for horizontal transportation and vertical transportation of materials and components, and the carbon emission is related to the weight and distance of transported goods, such as tower cranes, transport vehicles and the like; small-sized equipment comprises a spot welder, a vibrator and the like, and the single carbon emission of the equipment is difficult to count, so that the use condition of the equipment in unit area or unit volume is considered, and the carbon emission is calculated.
The signal sensing device in the second step is mainly divided into three types, including a timing sensor, a quality sensor and a distance sensor, wherein the timing sensor is arranged on the duration equipment and is used for recording the working time of the duration equipment; the mass sensor and the distance sensor are arranged on the load-carrying equipment, and the running distance of the transport equipment under various loading conditions is recorded so as to obtain the working condition of the transport equipment; the small-sized device does not use an inductor to record the working condition, but estimates the range of the small-sized device used in the construction site.
The construction steps in the third step mainly comprise four processes including earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering. The Revit builds a model based on the four steps, performs finer steps in each engineering according to the construction procedures, and synchronizes parameters and use conditions of various devices in each procedure to a data management platform for summarizing and expressing.
Linking the integral model of the structure, the data management platform and the PKPM-CES, and then combining carbon emission factors to obtain the carbon emission condition; and analyzing the carbon emission of various industrial species in the construction process and the carbon emission generated by physical or chemical changes in the processing process of the material.
And fifthly, according to the working condition of mechanical equipment, the artificial carbon emission condition in the construction process and the carbon emission condition of material processing, the total carbon emission quantity of each equipment, each procedure, each project and the final can be obtained, and the total carbon emission quantity is sequentially led out according to the grade, so that the clear conditioning and accurate carbon emission condition can be obtained.
C SUM ＝C 1 +C 2 +C 3 +C 4 +C R
Wherein C is SUM Representing the total carbon emission in the construction process, C 1 、C 2 、C 3 、C 4 Respectively representing carbon emission during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering, C R Representing the carbon emission of daily operations at the construction site.
C i ＝C i1 +C i2 +C i3 (i＝1,2,3,4)
Wherein C is i Represents the total carbon emission in the ith construction process, C i1 、C i2 、C i3 Respectively representing the carbon emission of constructors, equipment operation and material processing in the ith construction process.
C R ＝C O +C L
Wherein C is O Representing the carbon emission of daily office work of a construction site, C L Representing the carbon emission of daily life in a construction site.
C P ＝C 11 +C 21 +C 31 +C 41
Wherein C is P Representing the total carbon emission of constructors in the construction process, C 11 、C 21 、C 31 、C 41 Respectively representing the carbon emission of constructors during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
C E ＝C 12 +C 22 +C 32 +C 42
Wherein C is E Indicating the total carbon emission of equipment and machinery in the construction process, C 12 、C 22 、C 32 、C 42 Respectively representing the carbon emission of equipment and machinery during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
C M ＝C 13 +C 23 +C 33 +C 43
Wherein C is M Representing the total carbon emission in the construction process of material processing, C 13 、C 23 、C 33 、C 43 Respectively representing the carbon emission of the material processing during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
In summary, the invention provides a digital twin modeling method for carbon emission calculation, which particularly classifies construction machinery equipment and signal sensing devices, establishes a corresponding digital twin model by using Revit and PKPM, solves the problems of low accuracy and poor flexibility of the traditional carbon emission calculation method, and realizes the intellectualization, informatization and automation of carbon emission calculation.
System embodiment
According to an embodiment of the present invention, there is provided a digital twin modeling system for carbon emission calculation, and fig. 3 is a schematic diagram of the digital twin modeling system for carbon emission calculation according to the embodiment of the present invention, as shown in fig. 3, the digital twin modeling system for carbon emission calculation according to the embodiment of the present invention specifically includes:
the acquiring module 30 is configured to acquire a layout situation of a construction site, acquire basic parameters, stacking positions and using stages of components, determine engineering steps and procedure classifications, acquire types, basic parameters and placing positions of equipment, and acquire using situations of various mechanical equipment by using a signal sensing device; the method is particularly used for:
acquiring a layout condition of a construction site through three-dimensional scanning and/or construction drawing, wherein the layout condition specifically comprises the following steps: office areas, living areas, construction roads, processing areas, material yards, and arrangements of mechanical equipment;
obtaining the model, physical parameters, quantity, stacking position and using stage of the components according to the component list, the engineering drawing and the engineering schedule, and determining engineering steps and procedure classification;
obtaining the types, basic parameters and placement positions of the equipment according to the equipment list and the construction drawing, and classifying the equipment, wherein the equipment types specifically comprise: time-long type equipment, heavy-duty equipment and small-sized equipment;
the method comprises the steps of obtaining the service conditions of various mechanical equipment by using a signal sensing device, wherein the type of the signal sensing device comprises a timing sensor, a quality sensor and a distance sensor, the timing sensor is arranged on time-length equipment, and the quality sensor and the distance sensor are arranged on load-carrying equipment.
The construction module 32 is configured to perform structural modeling by using the Revit sub-construction steps according to the layout situation of the construction site, the basic parameters of the components, the stacking position and the use stage, the engineering step-by-step and procedure classification, the type of the equipment, the basic parameters and the placement position, and the use situation of various mechanical equipment, and synchronize the operation conditions of various equipment to the equipment management platform; the method is particularly used for:
and when modeling, classifying the construction steps according to actual construction procedures, dividing time nodes according to corresponding projects and procedures, and determining procedure information of various used components, wherein the actual construction steps specifically comprise: earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
The calculation module 34 is configured to import the Revit model and the equipment management platform into the PKPM-CES, calculate carbon emission by using the PKPM-CES according to the operation status of various equipment in the equipment management platform and carbon emission factors during operation, construction and material processing of various equipment, and aggregate and output various equipment, various procedures, various projects and total carbon emission. The method is particularly used for:
calculating carbon emission by using PKPM-CES, and calculating carbon emission of various industrial species in the construction process and carbon emission generated by physical or chemical change in the processing process of the material;
and obtaining equipment, working procedures, projects and final total carbon emission according to the working condition of mechanical equipment, the artificial carbon emission condition in the construction process and the carbon emission condition of material processing.
Specifically:
calculating the total carbon emission in the construction process according to the formula 1:
C SUM ＝ C 1 + C 2 + C 3 + C 4 + C R equation 1;
wherein C is SUM Representing the total carbon emission in the construction process, C 1 、C 2 、C 3 、C 4 Respectively representing carbon emission during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering, C R Representing the carbon emission of daily operation of a construction site, C R ＝C O +C L ，C O Representing the carbon emission of daily office work of a construction site, C L Representing the carbon emission of daily life in a construction site;
calculating the total carbon emission of the ith construction process according to formula 2:
C i ＝ C i1 + C i2 + C i3 equation 2;
wherein C is i Represents the total carbon emission of the ith construction process, i=1, 2,3,4, c i1 、C i2 、C i3 Respectively representing the carbon emission of constructors, equipment operation and material processing in the ith construction process;
calculating the total carbon emission of constructors in the construction process according to a formula 3:
C P ＝ C 11 + C 21 +C 31 + C 41 equation 3;
wherein C is P Representing the total carbon emission of constructors in the construction process, C 11 、C 21 、C 31 、C 41 Respectively represent the periods of earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineeringCarbon emission of construction personnel.
Calculating the total carbon emission of the equipment machine in the construction process according to the formula 4:
C E ＝ C 12 + C 22 +C 32 + C 42 equation 4;
wherein C is E Indicating the total carbon emission of equipment and machinery in the construction process, C 12 、C 22 、C 32 、C 42 Respectively representing the carbon emission of equipment machinery during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering;
calculating the total carbon emission during the construction of the material processing according to formula 5:
C M ＝ C 13 + C 23 +C 33 + C 43 equation 5;
wherein C is M Representing the total carbon emission in the construction process of material processing, C 13 、C 23 、C 33 、C 43 Respectively representing the carbon emission of the material processing during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
The embodiment of the present invention is a system embodiment corresponding to the above method embodiment, and specific operations of each module may be understood by referring to the description of the method embodiment, which is not repeated herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. A digital twin modeling method for carbon emission calculation, comprising:
acquiring the layout condition of a construction site, acquiring basic parameters, stacking positions and using stages of components, determining engineering steps and procedure classifications, acquiring the types, basic parameters and arrangement positions of equipment, and acquiring the using conditions of various mechanical equipment by utilizing a signal sensing device;
carrying out structural modeling by utilizing the Revit sub-construction steps according to the layout condition of a construction site, the basic parameters of components, the stacking position and the using stage, the engineering step-by-step and procedure classification, the types of equipment, the basic parameters and the placement positions and the using condition of various mechanical equipment, and synchronizing the running conditions of various equipment to an equipment management platform;
the Revit model and the equipment management platform are led into the PKPM-CES, carbon emission calculation is carried out by using the PKPM-CES according to the operation conditions of various equipment in the equipment management platform and carbon emission factors in the process of operating various equipment, working procedures, engineering and material processing, and the total carbon emission is summarized and output.
2. The method of claim 1, wherein the steps of obtaining the layout condition of the construction site, obtaining the basic parameters, stacking positions and using stages of the components, determining engineering steps and process classifications, obtaining the types, basic parameters and placing positions of the equipment, and obtaining the using conditions of various mechanical equipment by using the signal sensing device specifically comprise:
acquiring a layout condition of a construction site through three-dimensional scanning and/or construction drawing, wherein the layout condition specifically comprises the following steps: office areas, living areas, construction roads, processing areas, material yards, and arrangements of mechanical equipment;
obtaining the model, physical parameters, quantity, stacking position and using stage of the components according to the component list, the engineering drawing and the engineering schedule, and determining engineering steps and procedure classification;
obtaining the types, basic parameters and placement positions of the equipment according to the equipment list and the construction drawing, and classifying the equipment, wherein the equipment types specifically comprise: time-long type equipment, heavy-duty equipment and small-sized equipment;
the method comprises the steps of obtaining the service conditions of various mechanical equipment by using a signal sensing device, wherein the type of the signal sensing device comprises a timing sensor, a quality sensor and a distance sensor, the timing sensor is arranged on time-length equipment, and the quality sensor and the distance sensor are arranged on load-carrying equipment.
3. The method according to claim 1, wherein the structural modeling by using the Revit partial construction step specifically comprises:
and when modeling, classifying the construction steps according to actual construction procedures, dividing time nodes according to corresponding projects and procedures, and determining procedure information of various used components, wherein the actual construction steps specifically comprise: earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
4. The method of claim 1, wherein the calculating the carbon emissions using the PKPM-CES and the summarizing the output of each plant, each process, each project, and the total carbon emissions specifically comprises:
calculating carbon emission by using PKPM-CES, and calculating carbon emission of various industrial species in the construction process and carbon emission generated by physical or chemical change in the processing process of the material;
and obtaining equipment, working procedures, projects and final total carbon emission according to the working condition of mechanical equipment, the artificial carbon emission condition in the construction process and the carbon emission condition of material processing.
5. The method of claim 4, wherein obtaining the respective equipment, the respective process steps, the respective engineering steps, and the final total carbon emissions comprises:
calculating the total carbon emission in the construction process according to the formula 1:
C SUM ＝ C 1 + C 2 + C 3 + C 4 + C R equation 1;
wherein C is SUM Representing the total carbon emission in the construction process, C 1 、C 2 、C 3 、C 4 Respectively representing carbon emission during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering, C R Representing the carbon emission of daily operation of a construction site, C R ＝C O +C L ，C O Representing the carbon emission of daily office work of a construction site, C L Representing the carbon emission of daily life in a construction site;
calculating the total carbon emission of the ith construction process according to formula 2:
C i ＝ C i1 + C i2 + C i3 equation 2;
wherein C is i Represents the total carbon emission of the ith construction process, i=1, 2,3,4, c i1 、C i2 、C i3 Respectively representing the carbon emission of constructors, equipment operation and material processing in the ith construction process;
calculating the total carbon emission of constructors in the construction process according to a formula 3:
C P ＝ C 11 + C 21 +C 31 + C 41 equation 3;
wherein C is P Representing the total carbon emission of constructors in the construction process, C 11 、C 21 、C 31 、C 41 Respectively representing the carbon emission of constructors during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
Calculating the total carbon emission of the equipment machine in the construction process according to the formula 4:
C E ＝ C 12 + C 22 +C 32 + C 42 equation 4;
wherein C is E Indicating the total carbon emission of equipment and machinery in the construction process, C 12 、C 22 、C 32 、C 42 Respectively representing the carbon emission of equipment machinery during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering;
calculating the total carbon emission during the construction of the material processing according to formula 5:
C M ＝ C 13 + C 23 +C 33 + C 43 equation 5;
wherein C is M Representing the total carbon emission in the construction process of material processing, C 13 、C 23 、C 33 、C 43 Respectively representing the carbon emission of the material processing during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
6. A digital twin modeling system for carbon emission calculations, comprising:
the acquisition module is used for acquiring the layout condition of a construction site, acquiring basic parameters, stacking positions and using stages of components, determining engineering steps and procedure classifications, acquiring the types, basic parameters and placing positions of equipment, and acquiring the using conditions of various mechanical equipment by utilizing the signal sensing device;
the construction module is used for carrying out structural modeling by utilizing the Revit sub-construction steps according to the layout condition of a construction site, the basic parameters, the stacking position and the using stage of a component, the engineering step-by-step and procedure classification, the type, the basic parameters and the placing position of equipment and the using condition of various mechanical equipment, and synchronizing the running conditions of various equipment to the equipment management platform;
the calculation module is used for importing the Revit model and the equipment management platform into the PKPM-CES, calculating carbon emission by using the PKPM-CES according to the running conditions of various equipment in the equipment management platform and the carbon emission factors in the process of operating the various equipment, working procedures, engineering and material processing, and summarizing and outputting the various equipment, working procedures, engineering and total carbon emission.
7. The system of claim 6, wherein the acquisition module is specifically configured to:
acquiring a layout condition of a construction site through three-dimensional scanning and/or construction drawing, wherein the layout condition specifically comprises the following steps: office areas, living areas, construction roads, processing areas, material yards, and arrangements of mechanical equipment;
obtaining the model, physical parameters, quantity, stacking position and using stage of the components according to the component list, the engineering drawing and the engineering schedule, and determining engineering steps and procedure classification;
obtaining the types, basic parameters and placement positions of the equipment according to the equipment list and the construction drawing, and classifying the equipment, wherein the equipment types specifically comprise: time-long type equipment, heavy-duty equipment and small-sized equipment;
the method comprises the steps of obtaining the service conditions of various mechanical equipment by using a signal sensing device, wherein the type of the signal sensing device comprises a timing sensor, a quality sensor and a distance sensor, the timing sensor is arranged on time-length equipment, and the quality sensor and the distance sensor are arranged on load-carrying equipment.
8. The system according to claim 6, wherein the construction module is specifically configured to:
and when modeling, classifying the construction steps according to actual construction procedures, dividing time nodes according to corresponding projects and procedures, and determining procedure information of various used components, wherein the actual construction steps specifically comprise: earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
9. The system according to claim 6, wherein the computing module is specifically configured to:
calculating carbon emission by using PKPM-CES, and calculating carbon emission of various industrial species in the construction process and carbon emission generated by physical or chemical change in the processing process of the material;
and obtaining equipment, working procedures, projects and final total carbon emission according to the working condition of mechanical equipment, the artificial carbon emission condition in the construction process and the carbon emission condition of material processing.
10. The system according to claim 9, wherein the computing module is specifically configured to:
calculating the total carbon emission in the construction process according to the formula 1:
C SUM ＝ C 1 + C 2 + C 3 + C 4 + C R equation 1;
wherein C is SUM Representing the total carbon emission in the construction process, C 1 、C 2 、C 3 、C 4 Respectively representing carbon emission during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering, C R Representing the carbon emission of daily operation of a construction site, C R ＝C O +C L ，C O Representing the carbon emission of daily office work of a construction site, C L Representing the carbon emission of daily life in a construction site;
calculating the total carbon emission of the ith construction process according to formula 2:
C i ＝ C i1 + C i2 + C i3 equation 2;
wherein C is i Represents the total carbon emission of the ith construction process, i=1, 2,3,4, c i1 、C i2 、C i3 Respectively representing the carbon emission of constructors, equipment operation and material processing in the ith construction process;
calculating the total carbon emission of constructors in the construction process according to a formula 3:
C P ＝ C 11 + C 21 +C 31 + C 41 equation 3;
wherein C is P Representing the total carbon emission of constructors in the construction process, C 11 、C 21 、C 31 、C 41 Respectively representing the carbon emission of constructors during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
Calculating the total carbon emission of the equipment machine in the construction process according to the formula 4:
C E ＝ C 12 + C 22 +C 32 + C 42 equation 4;
wherein C is E Indicating the total carbon emission of equipment and machinery in the construction process, C 12 、C 22 、C 32 、C 42 Respectively representing the carbon emission of equipment machinery during earth-rock engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering;
calculating the total carbon emission during the construction of the material processing according to formula 5:
C M ＝ C 13 + C 23 +C 33 + C 43 equation 5;
wherein C is M Representing the total carbon emission in the construction process of material processing, C 13 、C 23 、C 33 、C 43 Respectively representing the carbon emission of the material processing during earth and stone engineering, pile foundation engineering, general civil engineering and decoration and fitment engineering.
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