基于几何控制法的钢箱梁制造尺寸计算
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李立峰,郑舜航,李积泉,路云强,蒋启昊
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Calculation of manufacturing dimensions of steel box girders based on geometric control method
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Li-feng LI,Shun-hang ZHENG,Ji-quan LI,Yun-qiang LU,Qi-hao JIANG
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| 表 2 吊装时主梁形心轴变形增量 |
| Tab.2 Deformation of central shaft of main beam during lifting |
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| 典型工序 | Δua/mm | Δub/mm | Δuc/mm | Δud/mm | Δva/mm | Δvb/mm | Δvc/mm | Δvd/mm | βa/(°) | βb/(°) | βc/(°) | βd/(°) | | Ⅰ | 0.0 | −16.2 | −16.1 | 0.0 | 0.0 | +42.9 | −61.4 | 0.0 | — | −0.064 | −0.072 | — | | Ⅱ | −22.4 | +35.9 | +32.1 | 0.0 | −98.8 | −130.9 | +86.3 | 0.0 | −0.129 | +0.138 | +0.074 | — | | Ⅲ | +6.1 | +5.9 | +6.8 | 0.0 | −5.9 | −14.1 | +27.1 | 0.0 | — | — | +0.042 | — | | Ⅳ | −22.8 | −24.2 | −25.1 | +13.1 | +22.2 | +49.3 | −102.8 | −79.7 | — | — | −0.112 | +0.108 |
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