KR20140126639A - A calculation method for carbon dioxide emissions in the all stage of life of the road - Google Patents
A calculation method for carbon dioxide emissions in the all stage of life of the road Download PDFInfo
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Abstract
Description
The present invention relates to a method for estimating the amount of carbon released in all phases of construction, operation, disposal and recycling of roads.
The continuous use of fossil fuels, which have become the driving force of mankind at present, is becoming a major cause of global warming, and global warming is causing problems in the global environment. The Kyoto Protocol, a global climate change treaty, was adopted in 1997 to regulate global warming, and the Kyoto Protocol specifies the emission reduction targets of carbon dioxide and other reducing gases, such as greenhouse gases.
In order to fulfill the provisions of the Kyoto Protocol, each country imposes an additional obligation to provide carbon emission rights when a certain amount of carbon emissions is exceeded by the enterprise, and when the emission amount of carbon is reduced, There are plans to create economic benefits, and in some countries, trading of carbon credits is being done.
In this way, when a company reduces carbon emissions by introducing a carbon emission reduction facility, it will be able to sell the reduced amount. At this time, the national management of whether the facility is operating properly to reduce carbon emissions And surveillance is insufficient.
As a technology related to the currently disclosed method of estimating carbon emissions,
Registration No. 10-1081486 collects information on energy use from sensors that measure power consumption, stores the data as carbon emissions, stores the data, and displays energy usage and carbon emission monitoring display device And methods;
Open No. 10-2010-0098853 discloses that when the first mileage information and the car number information contained in the payment approval request received from the merchant terminal are confirmed, the first mileage information and the car number information are stored in a database The second mileage information included in the payment authorization request received from the merchant terminal after a predetermined period of time, and the second mileage information included in the payment approval request received from the merchant terminal, Calculating a mileage, and transmitting the calculated total mileage information to the carbon emission rights management server in connection with the car number information (or card information);
Open No. 10-2010-0104053 discloses an environment basic facility, which includes real-time operation data collection of environment basic facilities, user management and session management, and life-cycle evaluation engine performing real-time interface with a knowledge base system A life cycle evaluating apparatus of the present invention;
Open No. 10-2011-0033391 discloses a carbon emission company terminal which is provided in each of a plurality of carbon emission companies and transmits information on carbon emission companies such as energy industry type, location and carbon emission information of the plant, A management server that receives carbon emission company information from a terminal through a wired / wireless communication network and processes the information by a control unit; a management monitor that receives carbon emission company information received by the manager server and displays carbon emission company information processed by the control unit; And a camera for capturing an image of a business site of an emission company, and the image photographed by the camera is displayed on the management monitor through a carbon emission manager server to manage and monitor real-time carbon emission. Lt; / RTI >
In summary, a method of calculating and calculating carbon emissions based on fuel consumption of an automobile or a plant facility is disclosed and transmitted to a carbon emission right management server. However, in the present invention, There is no method for this.
The present invention provides a method of calculating the amount of carbon released based on the calculation of the amount of construction material and energy used in each step in the steps of construction, operation, disposal and recycling of roads, It is possible to quantify the amount of carbon emissions from the entire road by calculating the standardized carbon emissions through the development of the evaluation system for construction and to provide a method to make it possible to utilize it as basic data for carbon reduction through analysis of the emission source material have. In addition, it can provide information to estimate the carbon emissions of facilities and accumulate the know-how of the reduction technology, and to use the field of reduction by each carbon emission reduction technology, and can be used for consulting related to greenhouse gas such as national and private enterprise research projects and domestic construction projects. And to provide a method that is useful for establishing carbon emission coefficient database through database of R & D results, managing carbon emissions in the field, and linking guidelines.
According to the present invention,
After analyzing the basic information of the target road including the extension (road length), the number of lanes, the construction time and the construction cost of the road to which carbon emission is to be calculated, the entire life stage of the road is divided into construction phase, operation phase or disposal phase ;
The construction material and the energy usage amount input in the construction step are calculated,
In addition, it calculates the total energy (including electricity) and the amount of water used in the operation of the target road,
Calculating the energy usage amount of equipment used in dismantling and dismantling the target road in the disposal step; And
And calculating carbon emissions by multiplying the amount of the construction material, energy, and water used for each stage of the road by the carbon dioxide emission coefficient per functional unit of each item. ≪ / RTI >
As the present invention estimates the life cycle carbon emissions of roads, it is expected that the roads will be changed in recognition of the sectors that have been focused on the transportation of vehicles, transportation and transport, and carbon emissions across all stages Can be derived. In addition, it can contribute to the quantification of national GHG emissions and the achievement of the reduction targets by utilizing the quantitative carbon emission calculation guidelines from the government and the local governments who want to build roads that are social infrastructures.
Fig. 1 shows an example of estimating the disposer's discretion for each sub-work type in a construction work.
FIG. 2 shows an example of calculating the energy usage according to the use of the equipment in the sub-construction in the construction.
Figure 3 shows an example of estimating the carbon footprint of a construction step.
According to the present invention,
After analyzing the basic information of the target road including the extension (the length of the road), the number of lanes, the construction time and the construction cost of the road to which carbon emission is to be calculated, the entire life stage of the road is referred to as a construction phase, A step of discriminating;
The construction material and the energy usage amount input in the construction step are calculated,
In addition, it calculates the total energy (including electricity) and the amount of water used in the operation of the target road,
Calculating the energy usage amount of equipment used in dismantling and dismantling the target road in the disposal step;
And calculating carbon emissions by multiplying the amount of the construction material, energy, and water used for each stage of the road by the carbon dioxide emission coefficient per functional unit of each item. ≪ / RTI >
More specifically, the construction materials used for road maintenance include, for example, cement, remicon, etc. used to fill (repackage) a portion caused by cutting, cracking, or sinking of the surface layer And the energy consumed by this means the energy that is consumed by the equipment used to package and pour these construction materials.
The total energy (including power) required for the operation of the target road means the use of fossil fuel for the maintenance of the facility, for example, electric power applied to the street lamp, electric power consumed for operation of the jet pen for ventilation in the tunnel, Utilities (electric power, gas, etc.) used for heating and cooling the facilities (rest areas, management offices, etc.).
The amount of water used means the water used for the car wheel and car wash of transportation equipments and construction equipments during the maintenance and repair work, and the water to be watered after completion of construction work.
The energy consumption of equipment used for dismantling and demolition of the road at the disposal stage means, for example, the amount of fossil fuel (diesel, gasoline) used in construction equipment such as breakdown of existing structures and waste transportation.
The carbon dioxide emission factor per functional unit means the LCI database information network, the emission factor for the carbon footprint, the carbon emission factor per functional unit of input materials calculated in the Ministry of Land, Transport and Maritime Information Network DB, and the carbon emission factor by energy source according to the IPCC Guidelines (2006) do.
Further, in the present invention, the step of estimating carbon emission in the construction step may include:
A step of dividing the road into two types of functions by a highway or a general road, and identifying a construction and subordinate type system included in each road function, and creating a work type system for each function of the road;
Among the steps of creating the above-mentioned construction system, the construction included in the expressway is defined as six constructions such as common construction, earthworks, drainage and retaining wall construction, bridge construction, packaging and subsidiary construction, or tunnel construction;
In the step of creating the above-mentioned type of work, the construction included in the general road is defined as the construction of the earth, the slope stability ball, the drainage hole, the structure ball, the tunnel ball, the packing ball, the traffic safety facility ball,
And calculating the carbon emission amount by the sub-type by calculating the amount of the construction material and energy used for each sub-type of each construction according to the functional system of the highway or the general road. The construction materials and the energy usage to be allocated to each sub-type of each construction according to the functional system of the expressway or the general road are defined as shown in the following
Also, in the present invention, the step of calculating the carbon emissions at the operational stage includes the steps of performing the maintenance work on the target road and the operation of the facilities on the road, thereby calculating the carbon emission amount;
The step of calculating the carbon emission according to the maintenance work of the road is divided into the maintenance of the road surface package and the maintenance of the structure other than the road surface package, Step, and calculating the carbon emissions by multiplying the calculated material and energy usage by the carbon dioxide emission factor per functional unit of each item;
And estimating the total carbon emission by multiplying the estimated carbon emission amount by structure with the life span of each structure.
More particularly, the present invention relates to a method of calculating the amount of construction material and energy (eg, all the materials used, such as cement and remicon, and energy such as electric power and gas) input into maintenance and repair work, Carbon emissions can be estimated by multiplying the CO2 emission factor per functional unit (eg, portland cement: 0.944 kgCO2-e / unit (national LCI DB), etc.), and the estimated carbon emissions by structure (eg, Estimated emissions: 393 tCO2e) can be multiplied by the lifetime of each structure (eg 30 years, 50 years) to estimate total carbon emissions.
In addition, the step of estimating the carbon emission amount according to the facility operation of the road of the present invention
Estimating carbon emissions by multiplying the energy and water usage by facility operation of the road by the CO2 emission factor per functional unit of each item; And
And multiplying the estimated carbon emissions by the facility operating period to estimate total carbon emissions.
In other words, energy (for example, electricity and gas) and water consumption (for example, use of water inside a sprinkler for periodic inspection), which are related to the operation of facilities (for example, resting places, office buildings, street lamps, (Eg, the carbon emission factor of electricity: 0.462 kgCO2-e / kWh (emissions factor for carbon footprint), etc.) of the functional unit of the plant. Refer to FIG. 3 for a method of estimating carbon emissions by construction stages.
The step of estimating the carbon emission of the road disposal step of the present invention
Calculating the energy usage amount of equipment used for demolishing and demolishing the road, transporting waste, and the like; And
And estimating carbon emissions by multiplying the energy usage by equipment use by the carbon dioxide emission factor per functional unit per energy source.
The equipment used for dismantling and dismantling is, for example, a bulldozer or a backhoe, and the energy source used is, for example, gasoline, diesel, etc., and a carbon dioxide emission coefficient per functional unit (for example, 7 tons of bulldozer: 23.44 kgCO2 / hr DB) to calculate carbon emissions.
Hereinafter, the present invention will be described in more detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
Example
Table 1 below shows the total carbon emissions during the construction phase on the 'A' highway.
* CH 4 , N 2 O (GWP 100 applied)
Table 2 below shows total carbon emissions on the 'A' highway.
* Carbon emissions estimates for highway operations during the operational phase: 74.91 tCO 2 e / km-yr
Claims (5)
The construction material and the energy usage amount input in the construction step are calculated,
In addition, it calculates the total energy (including electricity) and the amount of water used in the operation of the target road,
Calculating the energy usage amount of equipment used in dismantling and dismantling the target road in the disposal step; And
And calculating carbon emissions by multiplying the amount of the construction material, energy, and water used for each stage of the road by the carbon dioxide emission coefficient per functional unit of each item. Way.
The step of estimating carbon emission in the construction step may include:
A step of dividing the road into two types of functions by a highway or a general road, and identifying a construction and subordinate type system included in each road function, and creating a work type system for each function of the road;
Among the steps of creating the above-mentioned construction system, the construction included in the expressway is defined as six constructions such as common construction, earthworks, drainage and retaining wall construction, bridge construction, packaging and subsidiary construction, or tunnel construction;
In the step of creating the above-mentioned type of work, the construction included in the general road is defined as the construction of the earth, the slope stability ball, the drainage hole, the structure ball, the tunnel ball, the packing ball, the traffic safety facility ball,
And calculating the amount of energy used by the sub-type of each construction according to the functional system of the expressway or the general road, and calculating the amount of carbon used for each sub-type of the road. Methods of estimating emissions.
The step of calculating the carbon emission for the highway operation during the above operation step is divided into the operation of the maintenance road of the target road and the operation of the road;
The step of calculating the carbon emission according to the maintenance work of the road is divided into the maintenance of the road surface package and the maintenance of the structure other than the road surface package, Step, and calculating the carbon emissions by multiplying the calculated material and energy usage by the carbon dioxide emission factor per functional unit of each item;
And estimating a total carbon emission amount by multiplying the estimated carbon emission amount of each structure by the lifetime of each structure.
The steps to calculate carbon emissions from facility operations on the road
Estimating carbon emissions by multiplying the energy and water usage by facility operation of the road by the CO2 emission factor per functional unit of each item; And
And estimating total carbon emissions by multiplying the estimated carbon emissions by the facility operating period.
The step of estimating the carbon emissions of the road waste stage comprises:
Calculating an amount of energy used according to use of equipment used for dismantling and demolishing the road; And
And estimating carbon emissions by multiplying energy usage by equipment use by carbon dioxide emission factor per functional unit per energy source.
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| WO2022206354A1 (en) * | 2021-04-02 | 2022-10-06 | 广东工业大学 | Carbon emission measurement and calculation method for process-level, working condition-level, and project-level highway construction activities |
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