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Material design of a biomimetic composite material used for a wooden building joint structure

机译：用于木制建筑缝结构的仿生复合材料的材料设计

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Earthquake-resistant wooden houses have been built in Japan for a long time. It has been clear that the buildings absorb the vibration energy in the joint parts of the wooden structures. The mechanism of energy absorption distorts the wood of the joint. Therefore, it is important to develop joint parts that can be easily exchanged for continued absorption of such energy. It has been reported that biomimetic composite materials that imitate bone have a load decentralization function and a shock-absorbing function. Wood has cell structures that resemble bone. Therefore, it seems a logical step to consider biomimetic composite materials that can be applied to wooden buildings. In this study, we propose to create a wooden building joint using a biomimetic composite material. The joint is constructed of aluminum lattice and plastic. In order to test whether this joint structure would successfully absorb energy from earthquake vibrations, in this paper we present results from an investigation into material characteristics. Linear analyses were executed on the material. Load-displacement curves were made by the constraint displacements and calculated reaction forces. Results indicated that the material has nonlinear characteristics. We infer that the composite aluminum and plastic material absorbs the vibration energy because of its nonlinear characteristics. Based on study results, we conclude that using this composite material for proposed joints can have significant benefits towards the earthquake-proofing of individual houses.
机译：在日本建造抗震木屋已有很长时间。显然，建筑物吸收了木结构连接部分的振动能量。能量吸收的机制使接头的木材变形。因此，重要的是开发能够容易地更换以持续吸收这种能量的关节部分。据报道，模仿骨骼的仿生复合材料具有负荷分散功能和减震功能。木材具有类似于骨骼的细胞结构。因此，考虑可应用于木质建筑的仿生复合材料似乎是合乎逻辑的一步。在这项研究中，我们建议使用仿生复合材料创建木制建筑缝。接头由铝格和塑料制成。为了测试该关节结构是否可以成功吸收地震振动的能量，在本文中，我们介绍了对材料特性的研究结果。对材料执行线性分析。通过约束位移和计算出的反作用力得出载荷-位移曲线。结果表明该材料具有非线性特性。我们推断铝和塑料复合材料由于其非线性特性而吸收了振动能量。根据研究结果，我们得出结论，将这种复合材料用于拟议的节点可对单个房屋的抗震性具有显着的益处。

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