分阶段施工中钢箱梁制造参数的通用计算方法

汪劲丰,杨松伟,亢阳阳,向华伟

General calculation method for manufacturing parameters of steel box girder in staged construction

Jin-feng WANG,Song-wei YANG,Yang-yang KANG,Hua-wei XIANG

表 1 小节段钢箱梁顶底板长度修正量（第1跨大节段）

Tab.1 Length correction of top and bottom plate of small-segment steel box girder (first span large-segment)

节段 $H_i^{\text{D}}$/m $\Delta _i^{\text{D}}$/mm ${L_{i,{\text{p}}}}$/m ${\theta _{i - 1,{{z} } } }$/(°) $\delta _{i - 1,i}^0$/(°) ${\xi _{i - 1,i}}$/(°) ${h_{i - 1,{\text{t}}}}$/mm ${h_{i - 1,{\text{b}}}}$/mm ${d_{i - 1,{\text{t}}}}$/mm ${d_{i - 1,{\text{b}}}}$/mm 0# 37.332 −3.0 — — — — — — — — 1# 37.614 61.4 14.1 1.407 — — — — — — 2# 37.840 108.1 15.0 1.041 −0.283 −0.083 1573.1 2926.9 2.3 −4.2 3# 38.090 119.3 12.5 1.197 0.283 -0.127 1647.2 2852.8 3.7 −6.3 4# 38.417 105.4 12.5 1.438 0.357 −0.115 1647.2 2852.8 3.3 -5.7 5# 38.590 71.7 12.5 0.635 −0.713 −0.090 1569.4 2930.6 2.5 −4.6 6# 38.650 31.9 12.5 0.096 −0.511 −0.028 1647.2 2852.8 0.8 −1.4 7# 38.642 7.0 10.0 −0.188 −0.324 0.040 1836.4 3170.2 −1.3 2.2 8# 38.544 −4.7 10.0 −0.632 −0.519 0.075 2044.4 3495.6 −2.7 4.6 9# 38.439 −2.8 7.5 −0.785 −0.236 0.082 2343.0 3730.3 −3.4 5.3 10# 38.559 14.3 6.0 1.309 1.946 0.149 2597.8 3875.5 −6.7 10.0 11# 38.964 55.3 7.5 3.401 1.946 0.147 2597.8 3875.5 -6.6 9.9 12# 39.462 124.9 10.0 3.251 −0.236 0.085 2343.0 3730.3 −3.5 5.6 13# 39.870 207.9 10.0 2.811 −0.519 0.078 2044.4 3495.6 −2.8 4.8 14# 40.156 319.6 12.5 1.822 −1.026 0.038 1836.4 3170.2 −1.2 2.1