今回のテーマは『弱点を克服した強靭な家』です。
建物は柱や梁などを立体的に組んで建てます。
このジョイント部分（接合部）は弱点になりがちです。
地震で建物が揺れたとき、柱や梁にかかった力を隣りの木材に伝えられなければ、
接合部は外れ、建物は壊れてしまいます。
そこで接合部に金物を使い、柱や梁、筋交いなどを繋ぎあわせます。
構造体を一体化し建物全体で揺れることで、地震の衝撃を抑えます。
構造材に掛かる力に応じた適切な金物を設置すると、とても強い造りになります。
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