This study explores the acceptance of different wood coverages on building facades with the aim of optimization of materials, and in turn improving overall sustainability. It firstly develops the principal physical variables and evaluation criteria; then, test models are created using an orthogonal design experiment; finally, two evaluation methods are used to comprehensively test acceptance, based on a questionnaire and an eye-tracking study. The results show that: (1) The effects of the amount of wood coverage and the wood patterns are significant, whereas the effect of material combinations is insignificant. (2) The acceptance of building facades is at the highest level when the amount of wood coverage is 65%. (3) The amounts of wood coverage for facades in the range of 35% to 50% are effective when designing the facade of wood buildings, in order to implement the dual targets of saving wood and higher acceptance.
The exhausting fast pace of life in modern urban society is leading to overwhelming stress and diminished cognitive alertness. Moreover, people are spending more and more time indoors due to building densification and urban lifestyle. Therefore, indoor environments that can promote positive psychological perception will become more important. Use of wood in indoor settings and its health benefits are currently receiving increased attention from design and research communities. In this work, a comparative study was conducted on the different degrees of wood use in indoor spaces.The results show that the effect of the physical attributes of degree of wood use, wood coverage and change of wood surface (different type and application position of wood) on the visual psychological responses (visual attention and psychological impression) of wooden indoor spaces were significant. The wooden indoor spaces with medium degree of wood use were easier to get more visual attention and were more helpful to give people the psychological impression of naturalness, warmth, relaxation, and desire to use.In addition, the results also show that when considering the influence of change of wood surface, people tended to pay more attention to indoor spaces with relatively high wood coverage and preferred the experiences in such spaces. The change of wood surface was an all-important aspect that needs to be considered on top of wood coverage. These results provided guidance for the design of healthy indoor environments.
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