2021
DOI: 10.3130/aijt.27.1243
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Prevention of Soft-Story Mechanism of Wooden Houses Using Continuous Walls

Abstract: In this paper, the structural system using continuous walls which prevents soft-story mechanism of a wooden house is proposed and its mechanical properties are investigated through experimental and numerical studies. The static loading test on a scaled two-story wooden wall and the shaking table test on a two-story wooden frame show that the proposed structural system works to reduce the damage concentration to a specific story and prevent soft-story collapse. Timehistory seismic response analysis shows that t… Show more

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Cited by 4 publications
(2 citation statements)
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“…Figure 3 shows the elevation of both test frames, and Figure 4 shows the plan of each floor. There were two types of the base: Fixed Base (FB) [4] and Sliding Base (SB). Steel plate weights were installed on the second and the roof so that the mass of the superstructure was 2.61 t on the second floor and 1.73 t on the roof for both.…”
Section: Overview Of Shaking Table Testmentioning
confidence: 99%
“…Figure 3 shows the elevation of both test frames, and Figure 4 shows the plan of each floor. There were two types of the base: Fixed Base (FB) [4] and Sliding Base (SB). Steel plate weights were installed on the second and the roof so that the mass of the superstructure was 2.61 t on the second floor and 1.73 t on the roof for both.…”
Section: Overview Of Shaking Table Testmentioning
confidence: 99%
“…,Alavi et al 8) ,Wada et al 9) による研究があり,文献 7, 9 では制振 ダンパを導入する方法も提案されている。また曽田ら 10,11) は,隣接 する 2 層に設置したオイルダンパのシリンダをチューブで連結する ことにより,オイルダンパの減衰性能に加え層間変形の一様化効果 を付加したリンク式オイルダンパと,さらに流体の慣性質量効果を 加えたリンク式流体慣性ダンパを提案している。中高層の木質構造 を対象とした例としては,プレストレスを導入した 2 枚の Cross Laminated Timber (CLT)や Laminated Veneer Lumber (LVL)を建物高さ 方向に壁勝ちで配置し,その間に制振ダンパを挿入したシステム 例え ば 12,13) が提案されている。また,低層の木造住宅を対象とした研究 としては,柱脚の浮上がりを許容することで損傷を制御するシステ ム 14) や, 著者らが提案している通し面材を用いる方法 15,16) およびリ ンク式制振措置を用いる方法 17) 3. 定常応答 Minimize…”
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