122x
001839
2025-02-11

短期荷载作用下非开裂状态的虚拟截面的重心距离

在不考虑徐变或收缩效应的负载下的重心位置

zI,st=b⋅h2+αe,I,st⋅(As,def,-z,(bottom)⋅def,-z,(bottom)+As,def,-z,(top)⋅def,-z,(top))b⋅h+αe,I,st⋅(As,def,-z,(bottom)+As,def,-z,(top))

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