The failure points were the same: walls and slabs not tied properly into columns -- that's a roof slab hanging off the building -- cantilevered structures, or structures that were asymmetric, that shook violently and came down, poor building materials, not enough concrete, not enough compression in the blocks, rebar that was smooth, rebar that was exposed to the weather and had rusted away.
全て共通の原因でした 壁や厚板の柱に対する不十分な固定です 屋根が建物から外れてしまっています 片持ち梁 つまり 荷重が偏る構造は 大きく振動し 崩れ落ちました 粗悪な建築材料や 不十分なコンクリート ブロックの圧縮不足 滑らかな鉄筋は 外気にさらされ錆び落ちていました