Dominguez-Santos David, Mora-Melia Daniel, Pincheira-Orellana Gonzalo, Ballesteros-Pérez Pablo, Retamal-Bravo Cesar
Department of Engineering and Building Management, University of Talca, Curicó 3340000, Chile.
Department of Industrial Technologies, University of Talca, Curicó 3340000, Chile.
Materials (Basel). 2019 May 8;12(9):1500. doi: 10.3390/ma12091500.
Recent catastrophes that occurred during seismic events suggest the importance of developing new seismic-resistant materials for use in building construction. Ordinary concrete is one of the most common materials in buildings. However, due to its low ductility and flexural strength, its seismic behavior can be improved upon by different additives. In this regard, wood-concrete composites exhibit desirable structural properties not achievable by either wood or concrete alone, making it an interesting material from a seismic point of view. This work analyzes and compares the performance of blocks built with ordinary concrete versus blocks built using different wood additives (sawdust and wood shavings). This includes the construction of concrete blocks in a lab, determination of their construction and seismic-resistant properties, as well as an analysis of their performance in buildings with a different number of storeys. The results show how blocks with wood aggregates comply with current regulations for structural materials in a seismic country like Chile, while also considerably outperforming traditional concrete blocks in the event of an earthquake.
近期地震事件中发生的灾难表明，开发用于建筑施工的新型抗震材料具有重要意义。普通混凝土是建筑物中最常见的材料之一。然而，由于其延展性和抗弯强度较低，通过不同添加剂可以改善其抗震性能。在这方面，木-混凝土复合材料展现出单独的木材或混凝土无法实现的理想结构性能，从抗震角度来看，它是一种有趣的材料。这项工作分析并比较了用普通混凝土建造的砌块与使用不同木材添加剂（锯末和木屑）建造的砌块的性能。这包括在实验室中制作混凝土砌块、测定其施工和抗震性能，以及分析它们在不同层数建筑物中的性能表现。结果表明，含有木材骨料的砌块符合智利这样地震多发国家现行的结构材料法规要求，同时在地震发生时，其性能也大大优于传统混凝土砌块。
