...预应力混凝土连续梁桥[gap=1221]Key words: random vibration; time varying system; free-vibration characteristic; prestressed concrete continuous bridge...
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long-span prestressed concrete continuous bridge 大跨径预应力混凝土连续梁桥
Prestressed concrete continuous beam bridge 预应力混凝土连续梁桥
prestressed concrete continuous girder bridge 预应力混凝土连续梁桥
continuous prestressed concrete bridge 连续梁
prestressed concrete rigid-continuous frame bridge 预应力连续刚构桥
continuous-beamed prestressed concrete bridge 预应力混凝土连续箱梁桥
Gray predict control system can be applied in construction control of long-span prestressed concrete continuous bridge, and the method is simple, the result is prominent.
灰色预测控制系统不仅可以对大跨径连续梁桥的施工进行控制，而且方法简单，效果显著。
Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.
预应力混凝土连续箱梁桥的开裂可以说是“多发病”，影响着构件的外观、使用寿命，甚至结构安全。
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。
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