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001842
2025-02-11

短期荷载作用下未开裂状态理想重心有效惯性矩

II,st=bh312+bh(zI,st-h2)2+αe,I,st(As,def,-z,(unten)(def,-z,(unten)-z1,st)2+As,def,-z,(oben)(z1,st-def,-z,(oben))2)