60x
001835
2025-02-11

长期荷载作用下未开裂状态的理想截面重心间距

考虑混凝土面积和钢筋的重心位置。

zI=bh22+αe,I(As,def,-z,(bottom)def,-z,(bottom)+As,def,-z,(top)def,-z,(top))bh+αe,I(As,def,-z,(bottom)+As,def,-z,(top))

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