load reaction

As its span increases, when the arch ribs are conveyed is also increscent, the difficulty of conveying increases. And the load reaction of structure is more complex; the stabilization is very important to the structure during construction loading.

随着跨径的增大，其主拱肋吊装难度也随之加大，主拱肋合龙后施工加载期结构受力更为复杂，稳定问题尤其突出。

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