Based on that, a five-span prestressed composite box girder is studied, the reliability level of construction is computed in the different service period from reliability.
在此基础上，对五跨预应力组合箱梁进行了研究，从可靠度方面给出了在服役期间结构的可靠度水平。
The computed results reveal that the long-span space structures equipped with viscoelastic damper will have to take the spatial characteristics.
计算结果表明，大跨空间结构采用粘弹性阻尼器时计算地震响应，必须考虑地震动的空间相干特性。
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