Abstract：The lack of scientific decision-making methods for building maintenance leads to long-term high maintenance costs. This study introduces the reliability centered maintenance (RCM) method to improve building maintenance decision-making. The building facility system is first analyzed to identify key facilities. Then, the failure risk of the key building facilities is evaluated in terms of the failure rate, failure detectability and failure consequences. A quantitative maintenance decision-making model is then developed for the key building facilities and is solved using Monte Carlo simulations. Finally, a building air-conditioning system air duct is used as an example to verify the model effectiveness. The results show that this model reduces maintenance costs by about 18.5% compared with the current maintenance strategy.
马智亮, 向星磊, 任远. 基于RCM方法的建筑设备维护策略定量化决策模型[J]. 清华大学学报（自然科学版）, 2020, 60(4): 348-356.
MA Zhiliang, XIANG Xinglei, REN Yuan. Quantitative decision-making model for building facility maintenance strategies based on the RCM method. Journal of Tsinghua University(Science and Technology), 2020, 60(4): 348-356.
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2020, Vol. 60 
