Abstract
At present, there are few systematic studies on carbon emission management of construction projects, which can no longer meet the requirements of carbon emission management of the construction of stadiums for Winter Olympics. This paper, taking a stadium for Winter Olympics as an example, discusses the boundaries, scenario setting and accounting methods of carbon emissions in the construction process. And then, we construct the management model and management system of carbon emissions. In this case, the monitoring and collection of carbon emissions and carbon emission reduction measures will be promoted to efficiently finalize the carbon emission pipes for the construction of Winter Olympics stadiums. The management model, technical measures and management system of carbon emissions suitable for Winter Olympics stadiums developed in this research can be further studied and widely applied to carbon emission management in the construction process of various public buildings.
Highlights
In recent years, as global warming has been intensified, polar glaciers have continued to melt, resulting in the rise in sea levels and extreme weather, which has posed impact on natural ecosystems, agricultural systems, energy systems and even human health to varying degrees
The total life cycle of the building starts from the formulation of the project proposal, and goes through various stages such as feasibility study, design, purchasing by invitation to bid, construction and installation, use and maintenance, demolition and disposal. It covers the whole process from planning to demolition, which all affect the realization of the whole function of the total life cycle of the building[3] [4].Based on the realities of the construction of a stadium for the 2020 Beijing Winter Olympics, this research defines the time of accounting for carbon emission management in the construction stage of the stadium as the construction and installation stage of the stadium and the surrounding municipal supporting infrastructure
According to the carbon emission sources determined above, the carbon emissions during the construction of the Winter Olympics stadium is the sum of the carbon emissions from the use of materials, the transportation of materials and the use of energy in the stadium during the construction of the stadium and municipal supporting infrastructure, and the activity level data covers in the construction stage the consumption of building materials, transport distance and consumption of shifts
Summary
As global warming has been intensified, polar glaciers have continued to melt, resulting in the rise in sea levels and extreme weather, which has posed impact on natural ecosystems, agricultural systems, energy systems and even human health to varying degrees. The urban area in the world accounts for only 4% of the surface of the earth, but its greenhouse gas emissions contribute to up to 70% of the whole[1]. This shows that cities are already one of the main sources of carbon emissions. It is predicted that the greenhouse gases generated by the construction industry will account for 25% of the total emissions of the whole society by 2030[2]. In the total life cycle of the building, there is no physical carbon emission in the planning and design stage, but a huge portion of carbon emissions will be generated in the construction, operation and demolition stages. Taking a stadium of the 2020 Beijing Winter Olympics as an example, this paper systematically discusses the objective setting, scope establishment, carbon emission accounting method and working system establishment of carbon emission management in the construction stage, and constructs and forms the management model of carbon emissions in the construction stage
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