Limit State Design for Biodeterioration of Building Materials

恶劣的湿热(即热-气-湿)条件导致的建筑材料生物退化是建筑物可持续性以及居住者健康和安全的主要关切。在需要进一步考虑设计的高能效建筑中，生物退化的风险更加突出。世界各地的研究人员试图通过结合实地经验、建模和受控实验室调查来描述这一问题。然而，将这些研究成果整合到建筑围护结构设计过程中是一个未完成的议程，部分原因是工程研究人员、建筑围护结构设计者和生物学家之间缺乏协调。这项研究旨在将极限状态设计的工程概念与源于木材科学和真菌学的生物退化概念相结合。从概念上讲，极限状态设计方法包括适用性失效状态(表面霉菌生长)和最终极限状态失效状态(腐烂，导致迫在眉睫的生命安全风险)。

Biodeterioration of building materials due to poor hygrothermal (i.e. heat-air-moisture) conditions is a major concern for the sustainability of buildings and the health and safety of occupants. The risks of biodeterioration are accentuated in highly energy efficient buildings requiring further design considerations. Researchers across the world have tried to characterize this issue through a combination of field experience, modelling, and controlled laboratory investigations. However, integration of these research outputs in building enclosure design process is an unfinished agenda, partly due to the lack of coordination between engineering researchers, building enclosure designers, and biologists. The proposed research aims to synthesize engineering concepts of limit state design with biodeterioration concepts derived from wood science and mycology. Conceptually, the limit state design approach involves a serviceability failure state (surface mould growth), and an ultimate limit state failure state (decay, leading to imminent life-safety risks).