CN-121213102-B - Method for measuring and calculating carbon emission amount of construction under peat soil geological conditions

CN121213102BCN 121213102 BCN121213102 BCN 121213102BCN-121213102-B

Abstract

The invention discloses a method for measuring and calculating the carbon emission of construction under peat soil geological conditions, which relates to the technical field of carbon emission measurement, and the invention quantifies the dynamic change of organic matters in peat soil in the whole construction process and the dynamic carbon emission of peat soil organic matters accelerating oxidative decomposition in the construction process, the dynamic change carbon emission process of peat soil organic matters is considered, and meanwhile, the dynamic change of building material carbon emission, mechanical carbon emission and vegetation loss carbon emission is considered in the construction process, so that the problems of static experience value estimation and single calculation data are avoided, the calculated carbon emission is consistent with an actual value, and high-target green construction can be realized.

Inventors

LIU BO
WANG YANPING
Pei Chenyu
SHEN YUPENG
FENG RUILING
JING PENG
HU CHENGCHAO
JIAO WENXIN
MENG ZIHAN

Assignees

中交公路规划设计院有限公司
北京交通大学

Dates

Publication Date: 20260512
Application Date: 20251010

Claims (9)

1. A method for measuring and calculating carbon emission of construction under peat soil geological conditions is characterized by comprising the following steps: different carbon emission sources in the construction process under peat soil geological conditions are obtained, wherein the carbon emission sources comprise peat soil emission sources, building material emission sources, mechanical emission sources and vegetation emission sources; Acquiring the carbon emission of building materials in the process of mining, processing and transporting the building materials in the construction process under the geological condition of peat soil based on an engineering material demand list; acquiring load/idle time and energy consumption data of a machine in real time based on an Internet of things sensor, and acquiring mechanical carbon emission of a building material in the processes of mining, processing, manufacturing and transporting the building material, processing the building material when the machine is idle or loaded and transporting the building material when the machine is used for cutting the building material; Identifying vegetation types based on remote sensing images, acquiring the loss amount of vegetation in the construction process, and obtaining the carbon emission amount of vegetation loss; the method comprises the steps of monitoring the dynamic change amount of the organic matter content and the temperature and humidity of peat soil in a construction area in the construction process and the dynamic carbon emission change amount of the oxidative decomposition of the peat soil organic matter caused by the construction in real time through a plurality of sensors, and obtaining the carbon emission amount of peat soil according to the dynamic change amount of the organic matter content and the temperature and humidity of peat soil, the dynamic carbon emission change amount and the volume amount of peat soil disturbed by the construction; and combining the carbon emission of the building materials, the mechanical carbon emission, the carbon emission of vegetation loss and the carbon emission of peat soil to obtain the carbon emission of construction under the geological condition of peat soil.
2. The method for measuring and calculating the carbon emission amount of the peat soil under the geological conditions according to claim 1, wherein the obtaining of the carbon emission amount of the peat soil comprises the following steps: when the carbon emission of the peat soil is measured and calculated, carbon dioxide is released by self oxidative decomposition of organic matters in the peat soil, the peat soil solidified in the cement mixing pile cannot be oxidized continuously, and the carbon emission of the dynamic process is subtracted during measurement and calculation; the peat soil is oxidized and decomposed into normal carbon emission, under the construction condition, cement hydration and water drainage construction are carried out, organic matters in the peat soil are exposed in the air through excavation, the organic matters in the peat soil are accelerated and decomposed, and the carbon emission amount in the process is added during measurement and calculation; the carbon emission of the peat soil is expressed as: ; Wherein: representing the unit carbon emission factor of the single-day peat soil; Representing the volume of the peat soil after displacement; Representing disturbance-accelerated carbon emissions; representing the volume of peat soil after cement solidification; single day peat soil unit carbon emission factor Expressed as: ; Wherein O represents the organic matter content, T represents the temperature influence coefficient, W represents the water content influence coefficient; the volume of the peat soil after the replacement Expressed as: ; ; Wherein: And Representing the starting and stopping mileage of the peat soil treatment section; Representing the footprint at mileage L; Representing pile-soil displacement ratio at mileage L; representing the mileage length of the i-th segment; The disturbance accelerates the carbon emission Expressed as: ; wherein t represents construction time; indicating the single-day discharge amount of peat soil self-decomposition.
3. The method for measuring and calculating the carbon emission amount of construction under the geological condition of peat soil according to claim 2, wherein the acquisition of the carbon emission amount of the building material comprises the following steps: the carbon emission of the building material comprises carbon emission and carbon reduction of the building material; When the carbon emission amount of the building material is calculated, the carbon emission factor of the production stage of the building material comprises carbon emission in the whole process of exploitation, manufacture and processing of the building material, and the carbon emission of the building material is expressed as: ; ; ; wherein: i represents the kind of building material, i=1, 2..the term, n; representing the transport distance of the ith building material; Representing the unit transport carbon emission factor of the ith building material; When the carbon reduction amount of the building material is calculated, the carbon reduction amount is calculated by considering using a low-carbon emission material and selecting a material with a short transportation distance, and the adjustment of a carbon emission factor is performed, and the method is expressed as follows: ; ; Wherein: Representing the replacement proportion of the ith building material; representing a mode of transportation.
4. A method for measuring and calculating carbon emissions of a peat soil geological condition construction according to claim 3, wherein said mechanical carbon emissions obtaining comprises: the mechanical carbon emissions include mechanical carbon emissions and carbon reduction; The carbon emission measurement of the machine comprises the total carbon emission of the machine in the transportation process and the construction operation process, wherein the transportation process comprises an approach and withdraw, the construction operation process comprises an idle speed and a load, meanwhile, the emission factors of the electric machine and the diesel machine are different, the emission factor of the electric stirrer depends on the carbon intensity of a power grid, the emission factor of the diesel generator depends on the carbon emission rate of diesel, and the carbon emission of the machine is expressed as: ; Wherein m represents a mechanical class; Representing the total mileage of the m-th class of machinery; Representing a unit transport emission factor for the m-th class of machinery; indicating that idle operation time of the m-th class of machine is hours; An idle emission factor representing class m machines; indicating load run time hours for class m machines; representing a load-shedding factor of the m-th class of machine; When the carbon reduction amount of the machine is calculated, the optimization of the construction flow is considered, the idle speed of the construction machine is reduced, the electric machine and the diesel machine are arranged, and the adjustment of the carbon emission factor is carried out, wherein the adjustment is expressed as follows: ; Wherein: The electromotive ratio of the m-th machine is shown.
5. The method for measuring and calculating the carbon emissions of peat soil under geological conditions according to claim 4, wherein the obtaining of the carbon emissions lost by vegetation comprises: the carbon emissions lost by the vegetation include carbon emissions and carbon reduction of the vegetation; When the carbon emission of vegetation is measured and calculated, the peat soil area is a vegetation groggy coverage area, and the trees are cut down to construct roads during construction, and the carbon emission of the vegetation is expressed as: ; Wherein: Representing the felling amount of the k-th vegetation; representing the carbon absorption capacity of the unit quantity of the corresponding tree species of the k-th vegetation; representing the number of varieties of cut vegetation; when the carbon reduction of vegetation is calculated, transplanting trees and recovering greening after construction is completed, and adjusting carbon emission factors, wherein the carbon emission factors are expressed as follows: ; wherein p represents the vegetation recovery ratio.
6. The method for measuring and calculating the carbon emission amount under the peat soil geological conditions according to claim 5, wherein the carbon emission amount under the peat soil geological conditions is expressed as: 。
7. The utility model provides a measuring and calculating device of carbon emission volume of construction under peat soil geological conditions which characterized in that includes: The carbon emission source determining module is used for obtaining different carbon emission sources in the construction process under peat soil geological conditions, wherein the carbon emission sources comprise peat soil emission sources, building material emission sources, mechanical emission sources and vegetation emission sources; the carbon emission measuring and calculating module is used for acquiring the carbon emission of the building materials in the construction process, the building material exploitation, the processing, the manufacturing and the transportation process under the peat soil geological conditions based on the engineering material demand list; acquiring load/idle time and energy consumption data of a machine in real time based on an Internet of things sensor, and acquiring mechanical carbon emission of a building material in the processes of mining, processing, manufacturing and transporting the building material, processing the building material when the machine is idle or loaded and transporting the building material when the machine is used for cutting the building material; Identifying vegetation types based on remote sensing images, acquiring the loss amount of vegetation in the construction process, and obtaining the carbon emission amount of vegetation loss; the method comprises the steps of monitoring the dynamic change amount of the organic matter content and the temperature and humidity of peat soil in a construction area in the construction process and the dynamic carbon emission change amount of the oxidative decomposition of the peat soil organic matter caused by the construction in real time through a plurality of sensors, and obtaining the carbon emission amount of peat soil according to the dynamic change amount of the organic matter content and the temperature and humidity of peat soil, the dynamic carbon emission change amount and the volume amount of peat soil disturbed by the construction; and combining the carbon emission of the building materials, the mechanical carbon emission, the carbon emission of vegetation loss and the carbon emission of peat soil to obtain the carbon emission of construction under the geological condition of peat soil.
8. An electronic device is characterized by comprising a memory and a processor; the memory is used for storing a computer program; The processor is configured to implement the steps of the method for measuring and calculating carbon emission under peat soil geological conditions according to any one of claims 1 to 6 when executing the computer program stored in the memory.
9. A computer-readable storage medium storing a computer program which, when executed by a processor, performs the steps of a method for measuring and calculating the amount of carbon emissions of a peat soil geological formation according to any one of claims 1 to 6.

Description

Method for measuring and calculating carbon emission amount of construction under peat soil geological conditions Technical Field The invention relates to the technical field of carbon emission measurement, in particular to a method, a device, equipment and a medium for measuring and calculating carbon emission of construction under peat soil geological conditions. Background With the aggravation of global climate change, the reduction of carbon emission has become international consensus, the construction industry contributes about 38% of carbon dioxide emission worldwide, wherein hidden carbon and operating carbon in the construction stage occupy important proportion, and under the background, the accurate quantification of carbon emission in the whole life cycle of construction, especially hidden emission under special geological conditions, becomes a core challenge for realizing green construction. Peat soil is wetland soil with high organic matters (30% -90%), is widely distributed in cold and tropical areas, and has carbon reserves accounting for 20% -30% of the carbon warehouse of the global soil, however, after construction disturbance (such as drainage and excavation), the peat soil can be rapidly decomposed when being exposed to an oxygen environment, and a large amount of CO 2 and CH 4 are released. According to researches, the annual average carbon emission of 1 cubic meter peat soil after disturbance can reach 1.5-3 tons of CO 2, which is far beyond the emission level of common soil. The current construction carbon emission calculation model usually ignores the dynamic process of organic matters in the construction of peat soil, only adopts static empirical value estimation, so that the carbon emission is greatly different from the actual carbon emission in the process of accounting, and green construction with a high target is difficult. Disclosure of Invention The embodiment of the invention provides a method for measuring and calculating the carbon emission of construction under peat soil geological conditions, which can solve the problems that in the prior art, a construction carbon emission calculation model at the present stage often ignores the dynamic process of organic matters in the construction of peat soil, and only adopts static empirical value estimation, so that the carbon emission is greatly different from the actual carbon emission in the process of accounting. The embodiment of the invention provides a method for measuring and calculating carbon emission of construction under peat soil geological conditions, which comprises the following steps: different carbon emission sources in the construction process under peat soil geological conditions are obtained, wherein the carbon emission sources comprise peat soil emission sources, building material emission sources, mechanical emission sources and vegetation emission sources; Acquiring the carbon emission of building materials in the process of mining, processing and transporting the building materials in the construction process under the geological condition of peat soil based on an engineering material demand list; acquiring load/idle time and energy consumption data of a machine in real time based on an Internet of things sensor, and acquiring mechanical carbon emission of a building material in the processes of mining, processing, manufacturing and transporting the building material, processing the building material when the machine is idle or loaded and transporting the building material when the machine is used for cutting the building material; Identifying vegetation types based on remote sensing images, acquiring the loss amount of vegetation in the construction process, and obtaining the carbon emission amount of vegetation loss; the method comprises the steps of monitoring the dynamic change amount of the organic matter content and the temperature and humidity of peat soil in a construction area in the construction process and the dynamic carbon emission change amount of the oxidative decomposition of the peat soil organic matter caused by the construction in real time through a plurality of sensors, and obtaining the carbon emission amount of peat soil according to the dynamic change amount of the organic matter content and the temperature and humidity of peat soil, the dynamic carbon emission change amount and the volume amount of peat soil disturbed by the construction; and combining the carbon emission of the building materials, the mechanical carbon emission, the carbon emission of vegetation loss and the carbon emission of peat soil to obtain the carbon emission of construction under the geological condition of peat soil. Preferably, the obtaining of the carbon emission amount of the peat soil comprises: when the carbon emission of the peat soil is measured and calculated, carbon dioxide is released by self oxidative decomposition of organic matters in the peat soil, the peat soil solidified in the cement mixing