Method and system for calculating carbon emission in construction stage of constructional engineering

Abstract

The invention belongs to the technical field of building energy and carbon emission, and particularly relates to a building engineering construction stage carbon emission calculation method and system, and the method comprises the steps: collecting and obtaining different types of engineering data based on a building engineering construction stage, and calculating the carbon emission under a corresponding type; and based on the calculated carbon emissions under different types, uploading the carbon emissions to a system platform, and carrying out data analysis and visual display. According to the method, carbon emission data under different types of engineering data are acquired and calculated in the construction stage of the building engineering, so that the carbon emission data under different visual angles can be conveniently known, and relatively accurate energy and carbon emission data can be conveniently provided for engineering under various conditions by uploading the carbon emission data to a system platform for statistics and analysis; and data support is provided for energy conservation and carbon reduction in the construction stage.

Description

Technical Field

[0001] The present invention belongs to the technical field of building energy and carbon emission, and specifically relates to a method and system for calculating carbon emission in the construction phase of a building project. Background Art

[0002] The construction phase of a building project encounters multiple challenges, including the diversity of energy types, the high complexity of construction processes, and the wide diversity of construction personnel. These challenges directly lead to problems such as heavy data acquisition tasks, difficulty in data collection, and insufficient data accuracy, which makes it difficult to accurately reflect and quantify the actual situation of energy consumption and carbon emissions. Summary of the invention

[0003] The present invention provides a method and system for calculating carbon emissions during the construction phase of a building project. By acquiring and calculating carbon emission data under different types of engineering data during the construction phase of a building project, it is convenient to understand the carbon emission data from different perspectives, and by uploading it to a system platform for statistics and analysis, it is convenient to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase.

[0004] A method and system for calculating carbon emissions during the construction phase of a building project, comprising: Based on the construction stage of the building project, different types of engineering data are collected and the carbon emissions of the corresponding types are calculated; Based on the calculated carbon emissions of different types, they are uploaded to the system platform for data analysis and visualization.

[0005] By obtaining and calculating carbon emission data under different types of engineering data during the construction phase of a building project, it is easy to understand carbon emission data from different perspectives. By uploading it to the system platform for statistics and analysis, it is easy to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase.

[0006] Furthermore, based on the construction phase of the building project, different types of engineering data are collected and obtained, and the carbon emissions under the corresponding types are calculated, including: Based on the energy type, calculate the first carbon emissions; Calculate the second carbon emissions based on the construction process; Depending on the building type, third carbon emissions are calculated.

[0007] By adopting different types and calculating the carbon emission data under the corresponding types, it is easier to understand the carbon emission data of the project under different circumstances, so as to provide data support for energy conservation and carbon reduction during the construction phase.

[0008] Furthermore, the calculating of the first carbon emissions according to the energy type includes: During the construction phase of a building project, energy consumption data of different energy types are collected and obtained; the energy types include electric energy, diesel energy, gasoline energy, natural gas energy and renewable energy; Based on the energy consumption data of different energy types and the corresponding carbon emission factors, calculate the carbon emissions of each energy type; The calculation expression of carbon emissions corresponding to the electric energy is: ; In the formula, Indicates the carbon emissions generated by electric energy; Indicates The power data obtained by smart meters , Indicates the total number of smart meters; Indicates the carbon emission factor of electric energy; The calculation expression of the carbon emissions corresponding to the diesel energy is: ; In the formula, represents the carbon emissions produced by diesel energy; Indicates Diesel data obtained by a diesel monitor, , Indicates the total number of diesel monitors; represents the carbon emission factor of diesel energy; The calculation expression of the carbon emissions corresponding to the gasoline energy is: ; In the formula, Represents the carbon emissions produced by gasoline energy; Indicates Diesel data obtained by a gasoline monitor, , Indicates the total number of gasoline monitors; represents the carbon emission factor of gasoline energy; The calculation expression of carbon emissions corresponding to the natural gas energy is: ; In the formula, Represents the carbon emissions produced by natural gas energy; Indicates the natural gas consumption obtained; Indicates the carbon emission factor of natural gas energy; The calculation expression of carbon emissions corresponding to the renewable energy is: ; In the formula, Represents the amount of carbon emissions reduced by renewable energy; The expression for the reduction of carbon emissions by replacing the national grid with the annual energy supply of the solar water heating system is: , represents the solar collector area, It represents the annual average solar radiation on the solar collector lighting surface. represents the average collector efficiency based on the total area, Indicates the heat loss rate of the pipeline and heat storage device; The expression for the reduction of carbon emissions from solar energy equipment that directly applies direct current is: , Indicates the power of solar equipment, Indicates the usage time of solar energy equipment; The carbon emissions reduced by the equipment that converts solar energy into alternating current are expressed as: , Indicates the solar power meter reading; Combine the carbon emissions of multiple energy sources to calculate the first carbon emissions; The calculation expression of the first carbon emission is: ; In the formula, Indicates the first carbon emission.

[0009] Furthermore, the electric energy consumption data is obtained by using a smart meter; the diesel energy consumption data is obtained by using a diesel monitor; the gasoline energy consumption data is obtained by using a gasoline monitor; and the natural gas energy is directly read and obtained.

[0010] Furthermore, the second carbon emission amount is calculated according to the construction process, including: During the construction phase of a building project, collect and obtain the engineering quantities generated by each construction process; Based on the engineering volume generated by each construction process and the corresponding carbon emission factor, calculate the carbon emissions generated by the construction process; The calculation expression of carbon emissions generated by the construction process is: ; In the formula, Indicates the carbon emissions generated by the construction process; Indicates The amount of work for each construction process, , Indicates the total number of construction processes; Indicates The carbon emission factor corresponding to each construction process is expressed as: , Indicates The construction process involves The energy consumption of construction equipment The carbon emission factor for this case is Indicates The construction process involves The energy consumption of construction equipment The adjustment factor for this situation is Indicates The construction process involves The first construction measure Carbon emission factors of various materials, Indicates The construction process involves The first construction measure Adjustment factor for each material, Indicates The recycling rate of these materials; The second carbon emission is calculated based on the carbon emission generated by the construction process and combined with the carbon emission of the office area and living area; The calculation expression of carbon emissions in the office area and living area is: ; In the formula, Indicates the carbon emissions of office and living areas; Indicates the building area of ​​office area and living area; Indicates the adjustment coefficient, and its value range is 0.75~1.25; The calculation expression of the second carbon emission is: ; In the formula, Represents the second carbon emission.

[0011] Furthermore, the third carbon emissions are calculated according to the building type, including: During the construction phase of a building project, collect and obtain the building area data of each building; Based on the floor area of ​​each building and the carbon emissions per unit area, the ideal carbon emissions are calculated; The calculation expression of the ideal carbon emission is: ; In the formula, represents the ideal carbon emission; Indicates the floor area of ​​the building; It represents the carbon emission per unit area; Based on the ideal carbon emissions and combined with the adjustment coefficient, the third carbon emissions are calculated; The calculation expression of the adjustment coefficient is: ; In the formula, is the adjustment factor; Indicates The construction carbon emission factors corresponding to the materials; Indicates The proportion of this material in the total reference building materials; Indicates The proportion of this material in the estimated total building materials; Indicates the building type adjustment coefficient, and its value range is 0.75~1.45; The calculation expression of the third carbon emission is: ; In the formula, Represents the third carbon emissions.

[0012] Furthermore, it also includes the carbon emission optimization process, including: Based on the currently used building materials, replace the building materials, generate carbon emission data under different building materials, compare and select the best building materials, and generate the best carbon emission plan for solution storage; Based on the current building structure, the building structure form is converted to generate carbon emission data under different building structure forms, and the optimal building structure form is selected by comparison to generate the optimal carbon emission plan for plan storage; Based on the current construction technology, the construction technology is optimized to generate carbon emission data under different construction technologies. The optimal construction technology is selected by comparison and the optimal carbon emission plan is generated and stored.

[0013] A method and system for calculating carbon emissions during the construction phase of a building project, comprising: Carbon emission monitoring module, used to obtain different types of engineering data in real time and display them visually; Carbon emission statistics and analysis module, used to count current carbon emission data and perform data analysis based on current carbon emission data; The carbon asset management module is used to statistically manage the issuance, use and exceeding data of carbon emission quotas.

[0014] Furthermore, the carbon emission statistics and analysis module includes: The statistical module is used to collect carbon emission data of office areas and living areas, construction sites, key energy-consuming equipment, and different types of carbon emission data, and to set carbon emission targets and over-limit warnings; The analysis module is used to dynamically analyze daily carbon emissions, monthly carbon emissions, seasonal carbon emissions, annual carbon emissions, and carbon emissions data for each construction stage.

[0015] The beneficial effects of the present invention are: By obtaining and calculating carbon emission data under different types of engineering data during the construction phase of a building project, it is easy to understand carbon emission data from different perspectives. By uploading it to the system platform for statistics and analysis, it is easy to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a flow chart of the present invention; Figure 2 Flowchart of calculation methods under different types; Figure 3 It is a schematic diagram of the system structure of the present invention. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present disclosure, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0019] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples, and a person of ordinary skill in the art can understand the specific meanings of the above terms in this application under specific circumstances.

[0020] Example 1 Figure 1The method and system for calculating carbon emissions during the construction phase of a building project is shown. By obtaining and calculating carbon emission data under different types of engineering data during the construction phase of a building project, it is easy to understand carbon emission data from different perspectives, and by uploading it to the system platform for statistics and analysis, it is easy to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase. The specific steps include the following: S1: Based on the construction stage of the building project, different types of engineering data are collected and the carbon emissions under the corresponding types are calculated; S11: Calculate the first carbon emissions according to the energy type; S111: During the construction phase of a building project, collect and obtain energy consumption data of different energy types; energy types include electric energy, diesel energy, gasoline energy, natural gas energy and renewable energy; In this embodiment, electric energy consumption data is obtained by using smart meters, which are respectively installed in the office area, living area and construction area, and large equipment such as construction elevators and tower cranes in the construction area use separate smart meters for power statistics; diesel energy consumption data is obtained by using a diesel monitor, which is installed in the fuel tank of the mechanical equipment; gasoline energy consumption data is obtained by using a gasoline monitor, which is installed in the fuel tank of the official vehicle; natural gas energy is directly read and obtained; among renewable energy sources, the power data of solar power generation converted into alternating current is obtained through smart meters, and solar street lights, solar water heaters, etc. that cannot be directly obtained using smart meters can be obtained through calculation.

[0021] S112: Calculate the carbon emissions of each energy type based on the energy consumption data of different energy types and the corresponding carbon emission factors; Among them, the calculation expression of carbon emissions corresponding to electric energy is: ; In the formula, Indicates the carbon emissions generated by electric energy, and its unit is ; Indicates The power data obtained by smart meters, , Indicates the total number of smart meters; Represents the carbon emission factor of electric energy, and its unit is ; Among them, the calculation expression of carbon emissions corresponding to diesel energy is: ; In the formula, Represents the carbon emissions from diesel energy, in units of ; Indicates Diesel data obtained by a diesel monitor, , Indicates the total number of diesel monitors; represents the carbon emission factor of diesel energy; Among them, the calculation expression of carbon emissions corresponding to gasoline energy is: ; In the formula, Represents the carbon emissions from gasoline energy, in units of ; Indicates Diesel data obtained by a gasoline monitor, , Indicates the total number of gasoline monitors; represents the carbon emission factor of gasoline energy; Among them, the calculation expression of carbon emissions corresponding to natural gas energy is: ; In the formula, Represents the carbon emissions from natural gas energy, in units of ; Indicates the natural gas consumption obtained; Indicates the carbon emission factor of natural gas energy; Among them, the calculation expression of carbon emissions corresponding to renewable energy is: ; In the formula, Represents the amount of carbon emissions reduced by renewable energy, in units of ; Indicates the amount of carbon emissions reduced by replacing the national grid with solar water heating system annual energy supply, in units of , whose expression is: , Represents the solar collector area, its unit is , It represents the annual average solar radiation on the solar collector lighting surface, and its unit is , It represents the average collector efficiency based on the total area, and its unit is %. It indicates the heat loss rate of pipelines and heat storage devices, and its unit is %; Indicates the amount of carbon emissions reduced by solar energy equipment that directly applies direct current, in units of , whose expression is: , Indicates the power of solar equipment, Indicates the usage time of solar energy equipment; Indicates the amount of carbon emissions reduced by equipment that converts solar energy into alternating current, in units of , whose expression is: , Indicates the solar power meter reading; S113: Calculate a first carbon emission amount by combining carbon emissions of multiple energy sources; Among them, the calculation expression of the first carbon emission is: ; In the formula, Represents the first carbon emission, and its unit is .

[0022] S12: Calculate the second carbon emission according to the construction process; S121: During the construction phase of the building project, the engineering quantity generated by each construction process is collected and obtained; During the construction phase of a building project, there are different construction stages, including foundation engineering, structural engineering, decoration and installation engineering, small municipal engineering, etc. Each construction stage includes multiple construction processes. Each construction process is designed to include the fuel consumption and electricity consumption generated by the use of various types of machinery and equipment, the carbon emissions generated by different materials in the measures project, and including carbon emissions generated by office areas and living areas.

[0023] In the traditional construction phase, carbon emissions are calculated based on the number of machine shifts and the carbon emission factor of each machine. This is prone to problems such as large workload, untimely and inaccurate statistics of machine shifts, and it is easy to ignore various types of measures and materials that ensure the construction process and do not constitute carbon emissions generated by the building itself. This application calculates the construction process, includes carbon emissions generated by measures and materials, and involves carbon emissions generated by office areas and living areas.

[0024] S122: Calculate the carbon emissions generated by each construction process based on the engineering volume generated by each construction process and the corresponding carbon emission factor; Among them: The calculation expression of carbon emissions generated by the construction process is: ; In the formula, Indicates the carbon emissions generated by the construction process, and its unit is ; Indicates The amount of work for each construction process, , Indicates the total number of construction processes; Indicates The carbon emission factor corresponding to each construction process is expressed as: , Indicates The construction process involves The energy consumption of construction equipment The carbon emission factor for this case is Indicates The construction process involves The energy consumption of construction equipment The adjustment factor for this situation is Indicates The construction process involves The first construction measure Carbon emission factors of various materials, Indicates The construction process involves The first construction measure Adjustment factor for each material, Indicates The recycling rate of these materials; S123: Calculate the second carbon emissions based on the carbon emissions generated by the construction process and the carbon emissions of the office area and the living area; Among them, the calculation expression of carbon emissions in office area and living area is: ; In the formula, Represents the carbon emissions of office and living areas, and its unit is ; Indicates the building area of ​​office area and living area; It represents the adjustment factor, and its value range is 0.75~1.25, depending on the building type and structure type; Among them, the calculation expression of the second carbon emission is: ; In the formula, Represents the second carbon emission, and its unit is .

[0025] S13: Calculate the third carbon emissions based on the building type.

[0026] S131: During the construction phase of the building project, collect and obtain the building area data of each building; S132: Calculate the ideal carbon emissions based on the building area of ​​each building and the carbon emissions per unit area; Among them, the calculation expression of ideal carbon emissions is: ; In the formula, Represents the ideal carbon emissions, and its unit is ; Indicates the floor area of ​​the building; It represents the carbon emission per unit area; S133: Calculate the third carbon emission amount based on the ideal carbon emission amount and the adjustment coefficient; The calculation expression of the adjustment coefficient is: ; In the formula, is the adjustment factor; Indicates The construction carbon emission factors corresponding to the materials are based on the empirical values ​​of engineering quantity measurement; Indicates The proportion of this material in the total reference building materials; Indicates The proportion of this material in the estimated total building materials; It represents the building type adjustment coefficient, and its value range is 0.75~1.45, depending on the concrete structure, steel structure, mixed structure, composite structure, and different building types such as residential buildings, hospital buildings, school buildings, railway passenger stations, etc. Among them, the calculation expression of the third carbon emission is: ; Figure 2 Flowchart showing different types of carbon emissions calculations.

[0027] S2: Based on the calculated carbon emissions of different types, upload them to the system platform and perform data analysis and visualization.

[0028] In this embodiment, the first carbon emissions are calculated in real time using actual measured values, and the system platform displays data output according to office areas, living areas, construction sites, and key energy-consuming mechanical equipment, and performs data statistics according to foundation, structural engineering, decoration and installation engineering; the second carbon emissions are based on engineering quantity measurement, and the system platform can display the carbon emissions of any construction process; the third carbon emissions are estimated, and the system platform displays the expected carbon emissions data for the entire construction phase.

[0029] In this embodiment, a carbon emission optimization process is also included, including: S31: Based on the currently used building materials, replace the building materials, generate carbon emission data under different building materials, compare and select the optimal building materials, and generate the optimal carbon emission plan for plan storage; In actual application, if the existing steel bar type is input, high-strength steel bars are selected to replace building materials, the carbon reduction amount corresponding to the plan is generated, and the plan is stored.

[0030] S32: Based on the currently used building structure, the building structure form is converted to generate carbon emission data under different building structure forms, the optimal building structure form is selected by comparison, and the optimal carbon emission plan is generated and stored.

[0031] In actual application, if a cast-in-place concrete structure is input, a prefabricated building structure is selected to convert the building structure form, the carbon reduction amount corresponding to the scheme is generated, and the scheme is stored.

[0032] S33: Based on the currently used construction technology, optimize the construction technology, generate carbon emission data under different construction technologies, compare and select the optimal construction technology, generate the optimal carbon emission plan and store the plan; In actual application, if the on-site casting construction technology is input, the construction technology of prefabricated component on-site assembly is selected for replacement, the carbon reduction amount corresponding to the scheme is generated, and the scheme is stored.

[0033] Example 2 In this embodiment, if Figure 3 As shown, a method and system for calculating carbon emissions during the construction phase of a building project is provided, including a carbon emissions monitoring module, a carbon emissions statistics and analysis module, and a carbon asset management module, which are used to realize the functions of energy data collection, carbon emissions data conversion, data statistics and analysis, establishing an enterprise carbon emissions model, and forming a carbon reduction strategy.

[0034] Specifically, the carbon emission monitoring module is used to obtain different types of engineering data in real time and display them visually; Specifically, the carbon emission statistics and analysis module is used to count the current carbon emission data and perform data analysis based on the current carbon emission data; it includes: The statistical module is used to collect carbon emission data of office areas and living areas, construction sites, key energy-consuming equipment, and different types of carbon emission data, and to set carbon emission targets and over-limit warnings; The analysis module is used to dynamically analyze daily carbon emissions, monthly carbon emissions, seasonal carbon emissions, annual carbon emissions, and carbon emissions data for each construction stage.

[0035] Specifically, the carbon asset management module is used to statistically manage the issuance, use, and exceeding data of carbon emission quotas.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0037] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A method and system for calculating carbon emissions during the construction phase of a building project, characterized in that: include: Based on the construction stage of the building project, different types of engineering data are collected and the carbon emissions of the corresponding types are calculated; Based on the calculated carbon emissions of different types, they are uploaded to the system platform for data analysis and visualization.

2. A method and system for calculating carbon emissions during the construction phase of a building project according to claim 1, characterized in that: Based on the construction stage of the building project, different types of engineering data are collected and obtained, and the carbon emissions under the corresponding types are calculated, including: Based on the energy type, calculate the first carbon emissions; Calculate the second carbon emissions based on the construction process; Depending on the building type, third carbon emissions are calculated.

3. A method and system for calculating carbon emissions during the construction phase of a building project according to claim 2, characterized in that: The calculating the first carbon emissions according to the energy type includes: During the construction phase of a building project, energy consumption data of different energy types are collected and obtained; the energy types include electric energy, diesel energy, gasoline energy, natural gas energy and renewable energy; Based on the energy consumption data of different energy types and the corresponding carbon emission factors, calculate the carbon emissions of each energy type; The calculation expression of carbon emissions corresponding to the electric energy is: ； In the formula, Indicates the carbon emissions generated by electric energy; Indicates The power data obtained by smart meters , Indicates the total number of smart meters; Indicates the carbon emission factor of electric energy; The calculation expression of the carbon emissions corresponding to the diesel energy is: ； In the formula, represents the carbon emissions produced by diesel energy; Indicates Diesel data obtained by a diesel monitor, , Indicates the total number of diesel monitors; represents the carbon emission factor of diesel energy; The calculation expression of the carbon emissions corresponding to the gasoline energy is: ； In the formula, Represents the carbon emissions produced by gasoline energy; Indicates Diesel data obtained by a gasoline monitor, , Indicates the total number of gasoline monitors; represents the carbon emission factor of gasoline energy; The calculation expression of carbon emissions corresponding to the natural gas energy is: ； In the formula, Represents the carbon emissions produced by natural gas energy; Indicates the amount of natural gas consumed; Indicates the carbon emission factor of natural gas energy; The calculation expression of carbon emissions corresponding to the renewable energy is: ； In the formula, Represents the amount of carbon emissions reduced by renewable energy; The expression for the reduction of carbon emissions from the annual energy supply of solar water heating system replacing the national grid is: , represents the solar collector area, It represents the annual average solar radiation on the solar collector lighting surface. represents the average collector efficiency based on the total area, Indicates the heat loss rate of the pipeline and heat storage device; The expression for the reduction of carbon emissions from solar energy equipment that directly applies direct current is: , Indicates the power of solar equipment, Indicates the usage time of solar energy equipment; The carbon emissions reduced by the equipment that converts solar energy into alternating current are expressed as: , Indicates the solar power meter reading; Combine the carbon emissions of multiple energy sources to calculate the first carbon emissions; The calculation expression of the first carbon emission is: ； In the formula, Indicates the first carbon emission.

4. A method and system for calculating carbon emissions during the construction phase of a building project according to claim 3, characterized in that: Acquisition of energy consumption data of the energy type includes: The electric energy consumption data is obtained by using a smart meter; the diesel energy consumption data is obtained by using a diesel monitor; the gasoline energy consumption data is obtained by using a gasoline monitor; and the natural gas energy is directly read and obtained.

5. A method and system for calculating carbon emissions during the construction phase of a building project according to claim 2, characterized in that: The second carbon emission amount is calculated according to the construction process, including: During the construction phase of a building project, collect and obtain the engineering quantities generated by each construction process; Based on the engineering volume generated by each construction process and the corresponding carbon emission factor, calculate the carbon emissions generated by the construction process; The calculation expression of carbon emissions generated by the construction process is: ； In the formula, Indicates the carbon emissions generated by the construction process; Indicates The amount of work for each construction process, , Indicates the total number of construction processes; Indicates The carbon emission factor corresponding to each construction process is expressed as: , Indicates The construction process involves The energy consumption of construction equipment The carbon emission factor for this case is Indicates The construction process involves The energy consumption of construction equipment The adjustment factor for this situation is Indicates The construction process involves The first construction measure Carbon emission factors of various materials, Indicates The construction process involves The first construction measure Adjustment factor for each material, Indicates The recycling rate of these materials; The second carbon emission is calculated based on the carbon emission generated by the construction process and combined with the carbon emission of the office area and living area; The calculation expression of carbon emissions in the office area and living area is: ； In the formula, Indicates the carbon emissions of office and living areas; Indicates the building area of ​​office area and living area; Indicates the adjustment coefficient, and its value range is 0.75~1.25; The calculation expression of the second carbon emission is: ； In the formula, Represents the second carbon emission.

6. A method and system for calculating carbon emissions during the construction phase of a building project according to claim 2, characterized in that: The third carbon emissions are calculated based on the building type, including: During the construction phase of a building project, collect and obtain the building area data of each building; Based on the floor area of ​​each building and the carbon emissions per unit area, the ideal carbon emissions are calculated; The calculation expression of the ideal carbon emission is: ； In the formula, represents the ideal carbon emission; Indicates the floor area of ​​the building; It represents the carbon emission per unit area; Based on the ideal carbon emissions and combined with the adjustment coefficient, the third carbon emissions are calculated; The calculation expression of the adjustment coefficient is: ； In the formula, is the adjustment factor; Indicates The construction carbon emission factors corresponding to the materials; Indicates The proportion of this material in the total reference building materials; Indicates The proportion of this material in the estimated total building materials; Indicates the building type adjustment coefficient, and its value range is 0.75~1.45; The calculation expression of the third carbon emission is: ； In the formula, Represents the third carbon emissions.

7. A method and system for calculating carbon emissions during the construction phase of a building project according to claim 1, characterized in that: It also includes carbon emission optimization processes, including: Based on the currently used building materials, replace the building materials, generate carbon emission data under different building materials, compare and select the best building materials, and generate the best carbon emission plan for solution storage; Based on the current building structure, the building structure form is converted to generate carbon emission data under different building structure forms, and the optimal building structure form is selected by comparison to generate the optimal carbon emission plan for plan storage; Based on the current construction technology, the construction technology is optimized to generate carbon emission data under different construction technologies. The optimal construction technology is selected by comparison and the optimal carbon emission plan is generated and stored.

8. A system for calculating carbon emissions from construction projects according to claim 1, characterized in that: include: Carbon emission monitoring module, used to obtain different types of engineering data in real time and display them visually; Carbon emission statistics and analysis module, used to count current carbon emission data and perform data analysis based on current carbon emission data; The carbon asset management module is used to statistically manage the issuance, use and exceeding data of carbon emission quotas.

9. A method and system for calculating carbon emissions during the construction phase of a building project according to claim 8, characterized in that: The carbon emission statistics and analysis module includes: The statistical module is used to collect carbon emission data of office areas and living areas, construction sites, key energy-consuming equipment, and different types of carbon emission data, and to set carbon emission targets and over-limit warnings; The analysis module is used to dynamically analyze daily carbon emissions, monthly carbon emissions, seasonal carbon emissions, annual carbon emissions, and carbon emissions data for each construction stage.

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