Due to the excessive development of human beings, the global environment is deteriorating day by day. Therefore, the global environmental problem has become a topic of international attention. How to reduce CO2 emissions in the construction industry is not only a popular environmental research topic in the construction industry, but also a necessary international responsibility in the future. Master the spirit of sustainable development, from the birth to the death of a building, conduct a comprehensive and systematic life cycle assessment concept with a macro vision, fully consider every link, and evaluate the environmental impact and impact of the building in an integrated manner , Is an important concept in modern green building evaluation research. Establish local building life cycle assessment data to provide important basic research on domestic green building related research. With this building life cycle assessment model, we can calculate the carbon dioxide emissions of the building at the beginning of its construction, which can quantify the environmental damage caused by the construction industry. In this way, we look forward to creating green buildings with low environmental load. The summary of the results of this research is as follows:
1. Carry out building life cycle assessment analysis and basic data statistics. This important basic database is the basic assessment data for subsequent building life cycle assessment sources.
2. Establish the calculation process and evaluation formula of the building life cycle CO2 emission assessment method. The lower the CO2 emission calculation value of the building, the more environmentally friendly the building is.
3. Establish a simplified algorithmic formula for predicting CO2 emissions of RC building body engineering to predict the CO2 emissions of RC buildings of different scales and building types, and discuss the environmental impact of buildings with scientific CO2 emissions data degree.
4. Conduct a survey on the average demolition period of large-scale demolition of buildings, and the estimated average service life of buildings is of considerable significance and help for my country’s urban renewal plans, urban planning, and housing policy formulation, and can be used for construction and construction in my country An important reference basis for policy planning; at the same time, it has very important reference value and significance for related industries, business circles and academic research.
5. Based on the building LCA case simulation, it is found that the proportion of CO2 emissions from new constructions of buildings is relatively low, while the proportion of CO2 emissions from daily energy use is relatively high. Therefore, daily energy-saving measures for buildings are the most important in the assessment of CO2 emission reduction during the life cycle of buildings. part.
6. This study establishes LCCO2, a building life cycle CO2 emission indicator, which establishes a clearer and more objective evaluation and comparison benchmark. We were able to analyze the environmental impact of different design methods on the life cycle of the building to find the most efficient CO2 emission reduction countermeasures.
Post time: Dec-06-2021
