寒冷地區(qū)辦公建筑圍護結構低能耗設計策略研究
發(fā)布時間：2018-10-11 15:15
【摘要】：在當今資源能源短缺與環(huán)境危機的背景下,隨著我國經(jīng)濟的發(fā)展和城市化進程的加快,建筑能耗在總能耗中所占比重持續(xù)增加,因此在我國推行建筑節(jié)能事業(yè)迫在眉睫且勢在必行。我國公共建筑的能耗問題異常突出,雖然國家發(fā)布了一系列節(jié)能措施,但是公共建筑依然具有巨大的節(jié)能潛力。辦公建筑是公共建筑中一種重要的建筑類型,降低辦公建筑的能耗將在很大程度上減少公共建筑總能耗在我國建筑總能耗中所占的比重,進而推進我國建筑節(jié)能整體戰(zhàn)略目標的步伐。因此研究辦公建筑的節(jié)能問題,對于環(huán)境保護、能源節(jié)約、經(jīng)濟效益和社會可持續(xù)發(fā)展等,具有非常重大的意義。寒冷地區(qū),其建筑能耗主要為冬季的采暖能耗,僅這一項就超過全國能耗平均數(shù)約27%,占地區(qū)總能耗的30%-40%,而寒冷地區(qū)建筑能耗的73%～77%是通過圍護體系損失掉的,所以圍護體系的節(jié)能設計至關重要,它關系到寒冷地區(qū)整個建筑的節(jié)能效益。北京市屬于寒冷地區(qū),不僅是我國首都,也是全國的政治中心,而且是人口的大量集會地和辦公建筑集中的主要地區(qū)之一,辦公建筑的發(fā)展速度異常迅猛。因此本文將北京市作為寒冷地區(qū)典型的城市,通過研究北京市辦公建筑圍護結構與建筑能耗的關系,總結寒冷地區(qū)辦公建筑圍護結構的低能耗設計策略。并通過實例驗證低能耗設計策略的有效性。本文主要側重使用能耗模擬分析軟件DEST-c進行分析模擬。首先通過對北京市現(xiàn)有辦公建筑進行調(diào)研,結合相關資料檢索,參照《公共建筑節(jié)能設計標準》(GB50189-2005)和《北京市公共建筑節(jié)能設計標準》(DB11/687-2009),建立北京市辦公建筑的典型模型。在總結寒冷地區(qū)辦公建筑外窗、外墻、屋頂?shù)湍芎脑O計策略后,利用DEST-c能耗分析軟件重點分析北京市辦公建筑圍護結構設計參數(shù)(窗墻比、外墻、外窗及屋頂?shù)膫鳠嵯禂?shù))與建筑能耗的關系。模擬不同圍護結構設計參數(shù)對建筑采暖能耗、制冷能耗以及總建筑能耗的影響,得出北京市辦公建筑不同外窗材料的適宜窗墻比范圍、外墻和屋頂保溫結構的適宜厚度,進而總結出寒冷地區(qū)辦公建筑圍護結構的低能耗設計策略。最后通過實例分析,驗證寒冷地區(qū)辦公建筑圍護結構低能耗設計策略的實用性和有效性。希望通過本文的研究成果,為建筑師在進行寒冷地區(qū)辦公項目的低能耗設計時,提供一定的參考,為我國的節(jié)能事業(yè)做出些許貢獻。
[Abstract]:Under the background of resource and energy shortage and environmental crisis, with the development of economy and the acceleration of urbanization, the proportion of building energy consumption in total energy consumption is increasing. Therefore, the implementation of building energy conservation in China is urgent and imperative. The problem of energy consumption of public buildings in China is extremely prominent. Although the state has issued a series of energy-saving measures, public buildings still have huge energy saving potential. Office building is an important type of building in public buildings. Reducing the energy consumption of office buildings will greatly reduce the proportion of total energy consumption of public buildings in the total building energy consumption of our country. And then promote the pace of the overall strategic goal of building energy conservation in China. Therefore, it is of great significance for environmental protection, energy conservation, economic benefits and social sustainable development to study the energy conservation of office buildings. In cold areas, building energy consumption is mainly winter heating energy consumption. This item alone exceeds the national average of energy consumption by about 27 percent, accounting for 30-40 percent of the total energy consumption in the region, while 73 percent of the building energy consumption in cold areas is lost through the enclosure system. So the energy-saving design of enclosure system is very important, it is related to the energy-saving benefit of the whole building in cold area. Beijing is a cold region, not only the capital of our country, but also the political center of the whole country, and it is one of the main areas where a large number of meeting places and office buildings are concentrated. The development of office buildings is extremely rapid. Therefore, this paper regards Beijing as a typical city in cold area, and summarizes the low energy consumption design strategy of office building envelope structure in cold area by studying the relationship between the building energy consumption and the envelope structure of office building in Beijing. An example is given to verify the effectiveness of the design strategy. This paper focuses on the use of energy consumption simulation software DEST-c for analysis and simulation. Firstly, the typical model of Beijing office building is established by investigating the existing office buildings in Beijing, combining with the relevant information retrieval, referring to the Standard of Energy Saving Design of Public buildings (GB50189-2005) and the Standard of Energy Saving Design of Beijing Public buildings (DB11/687-2009). After summing up the low energy consumption design strategy of outer window, exterior wall and roof of office building in cold area, the design parameters of envelope structure of Beijing office building (window / wall ratio, external wall ratio) are analyzed with DEST-c energy consumption analysis software. The relationship between the heat transfer coefficient of windows and roofs and building energy consumption. By simulating the influence of different design parameters of enclosure structure on building heating energy consumption, refrigeration energy consumption and total building energy consumption, the suitable window wall ratio range of different outer window materials of Beijing office building and the suitable thickness of exterior wall and roof insulation structure are obtained. Then summarize the low energy consumption design strategy of office building envelope structure in cold area. Finally, the practicability and effectiveness of the low energy consumption design strategy of office building envelope in cold area are verified by the analysis of examples. It is hoped that through the research results of this paper, this paper will provide some references for architects in the design of low energy consumption for office projects in cold areas, and make some contributions to the cause of energy conservation in China.
【學位授予單位】：沈陽建筑大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TU201.5;TU111.48
[Abstract]:Under the background of resource and energy shortage and environmental crisis, with the development of economy and the acceleration of urbanization, the proportion of building energy consumption in total energy consumption is increasing. Therefore, the implementation of building energy conservation in China is urgent and imperative. The problem of energy consumption of public buildings in China is extremely prominent. Although the state has issued a series of energy-saving measures, public buildings still have huge energy saving potential. Office building is an important type of building in public buildings. Reducing the energy consumption of office buildings will greatly reduce the proportion of total energy consumption of public buildings in the total building energy consumption of our country. And then promote the pace of the overall strategic goal of building energy conservation in China. Therefore, it is of great significance for environmental protection, energy conservation, economic benefits and social sustainable development to study the energy conservation of office buildings. In cold areas, building energy consumption is mainly winter heating energy consumption. This item alone exceeds the national average of energy consumption by about 27 percent, accounting for 30-40 percent of the total energy consumption in the region, while 73 percent of the building energy consumption in cold areas is lost through the enclosure system. So the energy-saving design of enclosure system is very important, it is related to the energy-saving benefit of the whole building in cold area. Beijing is a cold region, not only the capital of our country, but also the political center of the whole country, and it is one of the main areas where a large number of meeting places and office buildings are concentrated. The development of office buildings is extremely rapid. Therefore, this paper regards Beijing as a typical city in cold area, and summarizes the low energy consumption design strategy of office building envelope structure in cold area by studying the relationship between the building energy consumption and the envelope structure of office building in Beijing. An example is given to verify the effectiveness of the design strategy. This paper focuses on the use of energy consumption simulation software DEST-c for analysis and simulation. Firstly, the typical model of Beijing office building is established by investigating the existing office buildings in Beijing, combining with the relevant information retrieval, referring to the Standard of Energy Saving Design of Public buildings (GB50189-2005) and the Standard of Energy Saving Design of Beijing Public buildings (DB11/687-2009). After summing up the low energy consumption design strategy of outer window, exterior wall and roof of office building in cold area, the design parameters of envelope structure of Beijing office building (window / wall ratio, external wall ratio) are analyzed with DEST-c energy consumption analysis software. The relationship between the heat transfer coefficient of windows and roofs and building energy consumption. By simulating the influence of different design parameters of enclosure structure on building heating energy consumption, refrigeration energy consumption and total building energy consumption, the suitable window wall ratio range of different outer window materials of Beijing office building and the suitable thickness of exterior wall and roof insulation structure are obtained. Then summarize the low energy consumption design strategy of office building envelope structure in cold area. Finally, the practicability and effectiveness of the low energy consumption design strategy of office building envelope in cold area are verified by the analysis of examples. It is hoped that through the research results of this paper, this paper will provide some references for architects in the design of low energy consumption for office projects in cold areas, and make some contributions to the cause of energy conservation in China.
【學位授予單位】：沈陽建筑大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TU201.5;TU111.48
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