抗彎強度
来自维基百科,自由的百科全书
来自维基百科,自由的百科全书
对于三点受力的矩形梁
木材抗弯强度介于顺纹抗拉强度和抗压强度间。受弯时,上部受压,下部受拉,水平面内则有剪力。发生破坏时一般是木材上部受压区首先达到强度极限,发生变形,但构建还能继续使用,直至受拉区也达到强度极限,就会发生整体最终破坏。[2]
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.