By means of analyse to the cantilever lattice structure such as crane body, a simple algorithm is introduced.

通过对类似塔式起重机塔身的悬臂格构式结构的受力分析，引入了这类悬臂结构端部水平位移的便捷算式。

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Cantilever crane beam flange web in bending due to board edge are mutually embedded, a restriction on the cross section deformation.

悬臂吊梁的翼缘板和腹板在弯曲时因板边互相嵌固，对截面变形有约束作用。

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