大跨度预应力混凝土连续刚构桥底板出现开裂是该类桥梁出现的问题之一，其影响因素较多。
It is one of the defects that cracks occur in the bottom slab of an extra-long prestressed concrete continuous rigid frame bridge. There are many influence factors.
大跨度预应力混凝土连续刚构桥底板出现开裂是该类桥梁出现的问题之一，其影响因素较多。
It is one of the defects that cracks occur in the bottom slab of an extra-long prestressed concrete continuous rigid frame bridge. There are many influence factors.
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