Evaluation of Carbon emissions of existing school Buildings life cycle assessment during Reconstruction period

• Main Authors: Chiu-Ging Li, 李秋靚
• Other Authors: 蔡岡廷
• Format: Others
• Language: zh-TW
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/59735862941766401239

碩士 === 中興大學 === 景觀與遊憩碩士學位學程 === 103 === In recent years, uncontrolled development around the world, resulting in a large amount of energy depletion and greenhouse gas emissions into the atmosphere, reducing greenhouse gas emissions has become the subject-matter of national attention. In our country, there are about three hundred million tons of carbon dioxide emissions per year into the atmosphere, the construction industry accounted for 28.8% of the total (Architecture and Building Research institute Ministry of the Interior,2014； Hsien-Te Lin,2002). Therefore, in order to reduce carbon dioxide emissions into the atmosphere, reducing carbon emissions by buildings become one of our policy. Our country in order to effective control carbon dioxide emissions by buildings, actively promote green buildings to speed up old and new architecture towards the green building direction. 　　According to the report, the proportion of old and new buildings for the 3:97(Architecture and Building Research institute Ministry of the Interior, 2014), due to the new buildings are subject to the technical rules of construction and related regulations about green buildings, from this, carbon dioxide emissions of buildings, the maximum value are existing buildings. For example for four RC buildings, the proportion of carbon dioxide about buildings life cycle assessment of daily use period it emissions up to 62.94% (Yu-Sheng Chang,2002), the period is mainly because of the carbon dioxide generated by the buildings shell of energy consumption, so buildings shell are the main reason for the impact energy consumption of daily use period. 2013 buildings energy efficiency using manual report noted that school arising from all type of buildings energy consumption accounts up to 15% which is the highest proportion of all types of buildings. Therefore, carbon dioxide reduction about school building is become the important part in the carbon dioxide reduction plan. The research mainly by buildings shell to investigate the existing school buildings carbon dioxide emission in update period of situation. The first to investigate the existing school buildings in daily use period of it energy consumption situation, to understand the reasons of the buildings energy consumption, and investigate the carbon dioxide emissions in the update reconstruction period and the energy consumption and the electricity situation after the buildings reconstruction, calculate the energy saving and carbon reduction efficiency after the school buildings reconstruction. Summarizes the results of this research, three school buildings of this study in the reconstruction period emission carbon dioxide per unit floor area ranging from 400-700Kg, the main cause of high carbon emissions for building materials using like steel and concrete, proportion of up to 80%. After reconstruction, the buildings shell energy consumption can be improve effectively, and three school buildings energy efficiency between 50-62%, effectively reduce the amount of energy used and buildings shell energy consumption in daily use period. Because buildings during daily use arising carbon dioxide mostly for the construction of electricity, so when buildings with high energy efficiency, which in the future will cause less destruction than lower energy efficiency buildings. So the buildings at reconstruction period, can use different kinds of update energy-saving design, to balance the increase in the floor area of carbon emissions in the life cycle assessment.