Michálková Daniela, Ďurica Pavol
Department of Building Engineering and Urban Planning, University of Zilina, 010 26 Žilina, Slovakia.
Materials (Basel). 2022 Mar 10;15(6):2040. doi: 10.3390/ma15062040.
Current environmental crisis calls for sustainable solutions in the building industry. One of the possible solutions is to incorporate timber-framed constructions into designs. Among other benefits, these structures are well established in many countries, originating in traditional building systems. This paper focuses on experimental timber-frame walls. Different wall assemblies vary in thermal insulation materials and their combinations. We investigated ten experimental wall structures that have been exposed to natural external boundary conditions since 2015. The emphasis was on their state in terms of visual deterioration, mass moisture content, and thermal conductivity coefficient. We detected several issues, including defects caused by inappropriate realization, causing local moisture increase. Material settlement in loose-fill thermal insulation was another issue. Concerning was a significant change in the thermal conductivity of wood fiber insulation, where the current value almost doubled in one case compared to the design value determined by the producer.
当前的环境危机要求建筑行业提供可持续的解决方案。其中一个可能的解决方案是将木结构建筑纳入设计中。除了其他优点外，这些结构在许多国家都很成熟，起源于传统建筑系统。本文重点关注实验性木框架墙。不同的墙体组件在保温材料及其组合方面存在差异。我们研究了自2015年以来暴露于自然外部边界条件下的10个实验墙体结构。重点是它们在视觉劣化、质量含水量和导热系数方面的状态。我们发现了几个问题，包括因施工不当导致的缺陷，从而引起局部湿度增加。松散填充保温材料中的材料沉降是另一个问题。令人担忧的是木纤维保温材料的导热系数发生了显著变化，在一个案例中，当前值几乎比生产商确定的设计值增加了一倍。
