測量
對於三點受力的矩形梁
- F 載荷力 (N)
- L 支撐距離
- b 寬度
- d 厚度
木材抗彎強度介於順紋抗拉強度和抗壓強度間。受彎時,上部受壓,下部受拉,水平面內則有剪力。發生破壞時一般是木材上部受壓區首先達到強度極限,發生變形,但構建還能繼續使用,直至受拉區也達到強度極限,就會發生整體最終破壞。[2]
參見
參考文獻
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