The author recommends a brand new long-span bridge structure in high intensity earthquake areas—consecutive box girder rigid frame bridge with hollow abdomen.
对于高烈度地震区大跨桥梁的设计推荐了一种全新的桥式方案——空腹式箱梁连续刚构，该结构是钢管桁架和预应力混凝土板的组合结构。
As widespread construction of long-span Bridges and extensive application of efficient construction materials, the problems of bridge structure vibration have become increasingly prominent.
大跨度桥梁的大量兴建和高效能建桥材料的广泛应用，桥梁结构的振动问题日趋突出。
There're some specializations of the cable-stayed bridge in its dynamic behavior, because of long span and flexibility of structure than others general engineering structure.
斜拉桥由于其跨度大、结构柔，在动力行为方面有不同于一般工程结构的特殊性。
The long-term deflection of Long Span Prestressed Concrete Box-girder Bridge(LSPCBB) is getting more and more serious in terms of structure safety.
最后，对桥梁设计计算、桥梁混凝土施工及箱梁下挠的防治技术进行论述，并对开展控制结构长期下挠的研究提出了建议。
The long-span hybrid bridge of steel arch and rigid frame is a type of new bridge structure system.
大跨钢拱与刚构协作桥梁是一种新型的组合体系桥梁，张拉系杆是调整这种体系内力与线形的重要方法。
Cantilever bridge piers in the use of long-span Bridges the middle it is usually not feasible in the bridge structure.
悬臂桥在利用中间桥墩的长跨距桥中它通常是不可行的桥梁结构。
The underground structure vibration effects of long-span bridge caused by blasting vibration are important factors to affect the safety of bridge.
爆破震动引起的大跨度桥梁地下结构的振动效应是影响桥梁安全的重要因素。
Suspension bridge as a long span, flexible structure, because of its sensitivity to wind, the stability under wind has become a key factor in design and construction.
悬索桥作为一种大跨径柔性结构，由于其对风作用的敏感性，抗风稳定性已经成为影响悬索桥设计施工的关键控制因素。
The domestic steel box beam for long-span suspension bridge is mostly welded structure at present, which features complex structure, a great deal of penetration welds, difficult manufacture.
目前，国内大跨径悬索桥钢箱梁大多为全焊结构，具有结构复杂、熔透焊缝多，制造难度大等特点。
The bridge has characteristics of long span and complexity in structure and construction techniques.
该桥具有跨度大，结构和施工工艺复杂等特点。
Because of their long span ability and light and beautiful structure, suspension bridges are more competitive bridge type of long-span bridge.
同时随着桥梁建设技术水平的不断进步，桥梁的跨越能力越来越大。
Because of their long span ability and light and beautiful structure, suspension bridges are more competitive bridge type of long-span bridge.
同时随着桥梁建设技术水平的不断进步，桥梁的跨越能力越来越大。
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