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            暖通空調雜志社>期刊目次>2021年>第9期

            高濕地區典型住宅室內墻壁表面全年霉菌生長風險評價

            Annual mold growth risk assessment of typical dwelling internal surfaces in high humidity areas

            李必成 李百戰 杜晨秋 蔡 姣 要穎慧 王玉玨 姚潤明
            重慶大學

            摘要:

            霉菌生長不僅破壞建筑結構和表面,而且會影響人體健康,地區氣候和建筑特性的不同都會嚴重影響住宅室內霉菌生長情況。為了掌握重慶市典型住宅全年室內霉菌生長現狀和影響因素,采用大樣本橫斷面問卷調研結合WUFI Plus和WUFI-Bio軟件模擬的方法,研究了重慶市住宅室內潮濕/霉菌現狀及各個因素對霉菌生長的影響。問卷和模擬結果均顯示,由于建筑節能設計標準的提高,重慶市2001年之前、2001—2010年和2010年以后建造的住宅室內潮濕情況存在顯著差異,2001年之前的住宅發霉程度明顯大于2001年之后的住宅。進而以2001—2010年的住宅為例,模擬分析了4種典型墻面材料(水泥砂漿、粉刷墻、乳膠漆和壁紙)和不同換氣次數下的霉菌生長風險。結果顯示:各種墻面材料的水蒸氣擴散阻力系數與霉菌生長程度存在顯著相關性,水蒸氣擴散阻力系數越小,霉菌生長風險越??;換氣次數為2 h-1時,霉菌生長程度最小。

            關鍵詞:霉菌生長風險評價,建筑熱工性能,潮濕表征,熱濕環境,健康建筑

            Abstract:

            The mold growth, depending on regional climates and building features, will do harm to not only building structure and surfaces but also human health. To discover the annual mold growth situation and its influence factors in Chongqing typical dwellings, reports the present status of indoor dampness/mold in Chongqing and analyses the elements related to mold growth by means of the large-sample cross-sectional questionnaire survey combining with the WUFI Plus and WUFI-Bio simulation method. The questionnaires and simulation results show that due to the improvement of building energy conservation design standards, there are significant differences among indoor moisture conditions of buildings built before 2001, from 2001 to 2010 and after 2010 in Chongqing, and the mildew degree of buildings before 2001 is significantly higher than that of buildings after 2001. Taking the buildings from 2001 to 2010 as examples, simulates the mold growth risk under four kinds of typical internal surfaces (cement mortar, wall paint, emulsion paint and wallpaper) and different air change rates. The results show that the water vapor diffusion resistance coefficient of different surfaces is remarkably correlative with mildew degree. The smaller the former, the lower the latter. The smallest mildew degree happens under 2 times of air change rate.

            Keywords:moldgrowthriskassessment,buildingthermalperformance,dampnessexposure,thermalandhumidityenvironment,healthybuilding

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