Box section has the special features both its mass center and moment center unification as double symmetry cold-formed section and its outstanding advantage in moment and torsion rigidity.

　
英 美
  • 摘要冷彎薄壁雙軸對稱(chēng)箱形截面具有形心、彎心重合的特點(diǎn)，與單軸對稱(chēng)開(kāi)口截面相比具有抗彎、扭剛度大的優(yōu)點(diǎn)。
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