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8x
001837
2025-02-11

长期荷载作用下未开裂状态理想重心有效惯性矩

截面抗弯承载力

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