CN111368356B - Method for calculating carbon emission in asphalt pavement construction period - Google Patents
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Abstract
The invention discloses a method for calculating carbon emission in asphalt pavement construction, which relates to three stages of asphalt pavement raw material production, transportation and pavement construction, and comprises the following steps: determining the equivalent carbon emission factor of each raw material; determining various energy equivalent carbon emission factors; substituting the equivalent carbon emission factors, respectively calculating the carbon emission of the raw material in the production, transportation and pavement construction stages, and accumulating to obtain the sum of the carbon emission of the asphalt pavement construction. The calculation method disclosed by the invention has the characteristics of higher universality, simplicity, convenience and practicability, can be used for realizing the accurate quantitative calculation of the carbon emission of the road construction engineering, and has important significance for the low-carbon emission reduction management and the construction of green roads in the field of road engineering.
Description
Technical Field
The invention relates to the technical field of energy conservation and emission reduction in road engineering construction, in particular to a method for calculating carbon emission in an asphalt pavement construction period.
Background
In the 21 st century, the global carbon emission reduction pressure has increased at the same time as the rapid development of economy, and market environmental policies represented by carbon trade have been gradually applied in various countries. China is the largest developing country in the world, the environment protection policy is constantly implemented for a long time, the "green water Qingshan mountain" is Jin Shanyin mountain "causes wide consensus in the world, words such as" green development "are brought into relevant documents of the united nations, and the green development concept of China gradually goes deep into the mind. The road engineering is an important component of a transportation system, is closely related to the development of national economy, and has huge carbon emission produced while promoting the development of economy, so that the green development of the road engineering is particularly important.
The asphalt pavement has remarkable advantages in comfort, visual effect, maintenance and repair and the like, and the ratio of the asphalt pavement to the high-grade highway pavement in China is more than 90%. In the construction process of asphalt pavement, a large amount of raw materials such as soil and stones, asphalt, chemical additives and the like are required, and a large amount of greenhouse gases are generated in the production, transportation and asphalt pavement construction processes of the raw materials. Therefore, no matter the low-carbon economy is responded, the development trend of a carbon emission trading system in China is responded, the analysis of the carbon emission of road engineering is necessary, the key link of the carbon emission is established, the targeted energy-saving and emission-reducing measures are provided, the low-carbon pavement evaluation method is discussed, the pavement materials and structure are optimized and adjusted, and the theoretical basis is provided for comparing and selecting implementation project schemes and formulating industry standards.
The existing carbon emission calculation method mainly comprises a material balance method, an actual measurement method and a carbon emission factor method. The material balance method requires complete statistics and calculation of input and output by industry, and road engineering has no clear record of input and output energy consumption, so the method is not suitable for the calculation of carbon emission of the whole construction period. The actual measurement method adopts a direct measurement mode to measure and calculate the carbon emission of the product, and has great difficulty in realization of pavement engineering. The carbon emission factor is mainly used for calculating the carbon emission of the product according to the carbon emission coefficient of combustion of different fossil energy sources, is suitable for industries mainly comprising energy consumption, and is not limited in a clear way. In summary, the existing carbon emission calculation method has certain difficulty in application to the calculation of carbon emission in the construction period of the asphalt pavement, so that the boundary of a calculation model is determined, and the carbon emission calculation method suitable for the construction period of the asphalt pavement is necessary. According to the related quota and specification of the existing pavement engineering and in combination with a carbon emission factor method, a carbon emission calculation model is established by determining model boundaries, model structures and model evaluation parameters, so that the carbon emission of asphalt pavement in the construction period under different pavement materials and pavement structure combination forms is quantitatively compared.
Disclosure of Invention
The invention aims to provide a calculation method for equivalent carbon dioxide emission in the construction period of an asphalt pavement, which is used for simply, conveniently and accurately calculating the carbon emission in the construction period of the asphalt pavement.
In order to achieve the above purpose, the invention respectively establishes a carbon emission calculation model in the raw material production stage, the raw material transportation stage and the pavement construction stage of the asphalt pavement based on related documents, quota and specifications of pavement engineering and in combination with a carbon emission factor method, and thereby establishes a carbon emission calculation model in the construction stage of the asphalt pavement, and the concrete technical scheme is as follows:
a method for calculating carbon emission in the construction period of an asphalt pavement comprises the following steps:
step one: the total amount of each raw material and the unit production carbon dioxide equivalent emission factor thereof are determined.
Step two: and determining the equivalent carbon dioxide emission factors of various energy sources.
Step three: and calculating the carbon emission of the raw material in the production stage. And determining the production amount of each raw material according to the full-width size of the pavement and the pavement design proportion, and accumulating the production carbon emission of each material to obtain the carbon emission of the raw material in the production stage.
Step four: and calculating the carbon emission of the raw material in the transportation stage. And calculating the carbon emission of the raw material in the transportation stage according to the unit transportation distance energy consumption and the transportation distance of the transportation machine.
Step five: and calculating the carbon emission in the construction stage. The construction stage is subdivided into four processes of mixture stirring, mixture transportation, mixture paving and mixture rolling, and the carbon emission of the construction stage is determined according to the energy consumption of each construction process unit shift, the number of mechanical shifts, the carbon emission factor of each energy unit shift and the like. The machine and the corresponding machine shift number required in each construction process are used for taking the related quota and the standard specified value of the road surface engineering.
Step six: and calculating the total carbon emission in the construction period. The construction period is the sum of carbon emission in three stages of raw material production, raw material transportation and pavement construction.
Drawings
FIG. 1 is a diagram of a computational model of the present invention.
Detailed Description
The technical scheme of the invention is further described in non-limiting detail below with reference to examples and attached drawings.
The method for calculating the carbon emission of the asphalt pavement in the construction period comprises the following concrete steps:
step one: the total amount of each raw material and the unit production carbon emission factor thereof are determined.
Step two: and determining the equivalent carbon dioxide emission factors of various energy sources. The fossil energy mainly involved in the construction of the asphalt pavement comprises crude oil, fuel coal, heavy oil, diesel oil and gasoline, and various energy carbon dioxide equivalent emission factors are converted according to the related data of China energy statistics annual book 2017 and energy statistics working manual published by the national statistical office energy department, as shown in tables 1 and 2.
TABLE 1 equivalent carbon dioxide emission factors for various fossil energies
TABLE 2 average carbon dioxide emission factor for regional power grids in China
Step three: and calculating the carbon emission of the raw material in the production stage. Determining the production amount of the ith raw material according to the full width size of the pavement and the pavement design proportion, accumulating the production carbon dioxide equivalent emission amount of the ith material to obtain the carbon dioxide equivalent emission amount of the raw material in the production stage, and calculating according to the following formula:
wherein: g 1 For the equivalent carbon dioxide emission of the raw material production stage, kgCO 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; h is the height of the structural layer, m; ρ is the average density of the road surface, kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the l is the whole length of the route, km; omega i The weight percent of the i-th material is; EF (electric F) i Production of carbon emission factor, kgCO, per unit mass for the ith raw material 2 e/t。
Step four: and calculating the carbon emission of the raw material in the transportation stage. Calculating the carbon emission of the raw material in the transportation stage according to the change function of the oil consumption of the transportation machine along with the transportation distance, and calculating according to the following formula:
wherein: g 2 For carbon emission in raw material transportation stage, kgCO 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; h is the height of the structural layer, m; ρ is the average density of the road surface, kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the l is the whole length of the route, km; omega i The weight percent of the ith material in the mixing proportion is as follows; EF (electric F) ij Turnover of carbon emission per transport mode unit in ith raw material, kgCO 2 e/(t·km)；x ij The j-th transportation mode distance of the i-th material is km.
Step five: and calculating the carbon emission in the construction stage. The construction stage is subdivided into four processes of mixture stirring, mixture loading, mixture transportation, mixture paving and mixture rolling, and the carbon emission of the construction stage is determined according to the energy consumption per unit machine work, the number of machine work and the carbon emission factor of the energy source unit. The number of the mechanical unit station class oil consumption and the mechanical station class for processing the unit volume pavement entity related to each construction process takes relevant quota and standard specified values such as 'highway engineering budget quota' (JTGT 3832) 'highway engineering mechanical station class cost quota' (JTG/T B06-03). Calculated as follows:
(1) calculating carbon emission in the processes of mixture mixing, mixture loading, mixture paving and mixture rolling, wherein the carbon emission is calculated according to the following formula:
wherein: g 31 For carbon emission and kgCO in asphalt mixture construction process 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; 1000 is a volume conversion coefficient; l is the whole length of the route, m; t (T) i For construction of 1000m 3 Mixing station shift required by ith asphalt layer, station shift/1000 m 3 The method comprises the steps of carrying out a first treatment on the surface of the m is the fossil energy quality consumed by a unit shift of the construction machinery, kg/shift; EF (electric F) i To consume the equivalent carbon emission factor of the corresponding fossil energy source per unit mass, kgCO 2 e/kg; e is the electric energy consumed by a unit shift of the construction machinery, kwh/shift; EF'. i For the electric power carbon emission factor of the regional power grid where the construction machinery is located, kgCO 2 e/kwh。
(2) The carbon emission during the transportation of the mixture is calculated according to the following formula:
wherein: g 32 For carbon emission, kgCO, generated during transportation of asphalt mixture from mixing station to construction site 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; 1000 is a volume conversion coefficient; l is the whole length of the route, km; t (T) i1 1000m 3 Transport table shift when i-th asphalt layer has a transport distance less than 1km, table shift/1000 m 3 ；T i5 1000m 3 Transport table shift, table shift/1000 m when the transport distance of the ith asphalt layer is within 5km 3 ；T i10 1000m 3 Transport table shift with i-th asphalt layer with transport distance of 5-10 km, table shift/1000 m 3 The method comprises the steps of carrying out a first treatment on the surface of the m' is the fossil energy quality consumed by the transportation machinery unit shift, kg/shift; EF (electric F) i Equivalent carbon emission factor, kgCO, for a transport vehicle to consume a unit mass of the corresponding fossil energy 2 e/kg。
(3) Calculating the carbon emission in the construction stage, wherein the carbon emission is calculated according to the following formula:
G 3 ＝G 31 +G 32 (5)
step six: and calculating the total carbon emission in the construction period. The construction period is the sum of carbon emission in three stages of raw material production, raw material transportation and pavement construction, and is calculated according to the following formula:
G＝G 1 +G 2 +G 3 (4)
wherein: g is carbon emission in the construction period, kgCO 2 e；G 1 For carbon emission in raw material stage, kgCO 2 e；G 2 For carbon emission in raw material transportation stage, kgCO 2 e；G 3 For carbon emission in pavement construction stage, kgCO 2 e。
Claims (1)
1. The method for calculating the carbon emission of the asphalt pavement in the construction period is characterized by comprising the following steps of S1 to S6:
s1, determining the equivalent carbon emission factor of each raw material;
s2, determining various energy equivalent carbon emission factors;
s3, calculating carbon emission in the raw material production stage:
wherein: g 1 For the equivalent carbon dioxide emission of the raw material production stage, kgCO 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; h is the height of the structural layer, m; ρ is the average density of the road surface, kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the l is the whole length of the route, km; omega i Is the mass fraction of the ith material%；EF i Production of carbon emission factor, kgCO, per unit mass for the ith raw material 2 e/t，
S4, calculating carbon emission in a raw material transportation stage:
wherein: g 2 For carbon emission in raw material transportation stage, kgCO 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; h is the height of the structural layer, m; ρ is the average density of the road surface, kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the l is the whole length of the route, km; omega i The weight percent of the ith material in the mixing proportion is as follows; EF (electric F) ij Turnover of carbon emission per transport mode unit in ith raw material, kgCO 2 e/(t·km)；x ij The distance between the j-th transportation mode and the km,
s5, calculating carbon emission in the pavement construction stage: (1) the carbon emission during the processes of mixing, loading, paving and rolling of the mixture is calculated according to the following formula:
wherein: g 31 For carbon emission and kgCO in asphalt mixture construction process 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; 1000 is a volume conversion coefficient; l is the whole length of the route, m; t (T) i For construction of 1000m 3 Mixing station shift required by ith asphalt layer, station shift/1000 m 3 The method comprises the steps of carrying out a first treatment on the surface of the m is the fossil energy quality consumed by a unit shift of the construction machinery, kg/shift; EF (electric F) i To consume the equivalent carbon emission factor of the corresponding fossil energy source per unit mass, kgCO 2 e/kg; e is the electric energy consumed by a unit shift of the construction machinery, kwh/shift; EF'. i For the electric power carbon emission factor of the regional power grid where the construction machinery is located, kgCO 2 e/kwh，
(2) Carbon emission in the process of transporting the mixture is calculated according to the following formula:
wherein: g 32 For carbon emission, kgCO, generated during transportation of asphalt mixture from mixing station to construction site 2 e, performing the step of; a is the width of the top layer of the pavement, m; b is the width of the bottom layer of the pavement, m;2 is a trapezoidal area conversion coefficient; 1000 is a volume conversion coefficient; l is the whole length of the route, km; t (T) i1 1000m 3 Transport table shift when i-th asphalt layer has a transport distance less than 1km, table shift/1000 m 3 ；T i5 1000m 3 Transport table shift, table shift/1000 m when the transport distance of the ith asphalt layer is within 5km 3 ；T i10 1000m 3 Transport table shift with i-th asphalt layer with transport distance of 5-10 km, table shift/1000 m 3 The method comprises the steps of carrying out a first treatment on the surface of the m' is the fossil energy quality consumed by the transportation machinery unit shift, kg/shift; EF (electric F) i Equivalent carbon emission factor, kgCO, for a transport vehicle to consume a unit mass of the corresponding fossil energy 2 e/kg，
(3) Carbon emission in the construction stage is calculated according to the following formula:
G 3 ＝G 31 +G 32 (5)
s6, calculating total carbon emission in the construction period:
G＝G 1 +G 2 +G 3 (6)
wherein: g is carbon emission in the construction period, kgCO 2 e；G 1 For carbon emission in raw material stage, kgCO 2 e；G 2 For carbon emission in raw material transportation stage, kgCO 2 e；G 3 For carbon emission in pavement construction stage, kgCO 2 e。
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| CN115034441B (en) * | 2022-05-19 | 2024-02-27 | 东南大学 | Method for predicting full life cycle carbon emission of horizontal barrier system |
| CN116485260A (en) * | 2023-04-24 | 2023-07-25 | 中交第二公路勘察设计研究院有限公司 | Highway engineering design scheme comparison and selection method considering carbon benefits |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0807387D0 (en) * | 2008-04-23 | 2008-05-28 | Schlumberger Holdings | Forecasting asphaltic precipitation |
| FR2953021A1 (en) * | 2009-11-26 | 2011-05-27 | Tanguy Griffon | METHOD FOR MEASURING WEEKLY AND ANNUAL EMISSIONS OF A GREENHOUSE GAS ON A DATA SURFACE |
| CN106485350A (en) * | 2016-09-28 | 2017-03-08 | 长安大学 | A kind of evaluation methodology of Construction of Asphalt Pavement energy consumption |
| CN108629505A (en) * | 2018-05-02 | 2018-10-09 | 长安大学 | A kind of Construction of Asphalt Pavement carbon emission method for quantitatively evaluating |
| CN109614575A (en) * | 2018-11-30 | 2019-04-12 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of measuring and calculating construction site asphalt itself discharges CO2Calculation method |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0807387D0 (en) * | 2008-04-23 | 2008-05-28 | Schlumberger Holdings | Forecasting asphaltic precipitation |
| FR2953021A1 (en) * | 2009-11-26 | 2011-05-27 | Tanguy Griffon | METHOD FOR MEASURING WEEKLY AND ANNUAL EMISSIONS OF A GREENHOUSE GAS ON A DATA SURFACE |
| CN106485350A (en) * | 2016-09-28 | 2017-03-08 | 长安大学 | A kind of evaluation methodology of Construction of Asphalt Pavement energy consumption |
| CN108629505A (en) * | 2018-05-02 | 2018-10-09 | 长安大学 | A kind of Construction of Asphalt Pavement carbon emission method for quantitatively evaluating |
| CN109614575A (en) * | 2018-11-30 | 2019-04-12 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of measuring and calculating construction site asphalt itself discharges CO2Calculation method |
Non-Patent Citations (2)
| Title |
|---|
| 沥青混凝土路面预防性养护技术碳排放量化分析;齐小飞;《公路》;20170525(第05期);第227-232页 * |
| 沥青混合料建设过程碳排放计算模型研究;杨伟军;《公路与汽运》;20180131;第183-186页 * |
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