针对大跨度屋盖结构多振型参与振动的特点，提出了一套确定该类结构等效静力风荷载的精细化方法。
An elaborate method is developed to analyze equivalent static wind loading (ESWL) of large span roofs, in order to cope with the problem of multi-mode vibration of these structures.
大跨度屋盖结构等效静力风荷载中的共振分量确定，包括对结构共振响应的准确计算以及如何将其等效为静力风荷载这两个主要问题。
The equivalent static wind loads (ESWL) provide an effective approach to deal with the spatiotemporally varying wind loads for structures with long span roofs.
结果表明本文方法能够有效地分析大跨度屋盖结构的风振响应和等效静力风荷载，能够解决大跨度屋盖结构中多振型参与振动这一主要问题。
The results show that the method is effective to study the wind-induced response and ESWL of large span roofs, by taking into account of multi-mode vibration of the structures.
风荷载是控制大跨度钢屋盖结构设计的主要荷载之一。
The wind load is one of the main control loads for the large span steel roof structure.
对于体型复杂的大跨度钢屋盖结构来说，风荷载是控制结构设计的主要荷载之一。
As for the large span steel roof structures of irregular shape, the wind load is one of the main control loads in the design.
北京体育大学田径训练中心屋盖为大跨度空间钢管桁架结构。
The steel Roof of the Beijing Sport University Track and Field Training Center is a large-span spatial steel tube truss structure.
本文对大跨度空间屋盖提出了一种多次预应力钢网壳结构新体系。
This paper puts forward a new system of multi-prestressed steel lattice shell structure for large span space roof.
大跨度玻璃钢屋盖是玻璃钢结构件应用于建筑工程的新领域。
The big span GFRP roof cover is a new application of the GFRP structure parts in the construction.
大跨度超长薄壁构件的预应力拱形屋盖是将室内顶棚与屋面板两者合一的新型结构。
The large span and over long and thin wall and prestressed arch roof is a new type structure of combining indoor top and roof plate.
大跨屋盖结构由于跨度较大，竖向地震作用显著，有必要采取减震控制措施。
The vertical component of earthquake can not be neglected for large-span roof structure and some seismic control technology is necessary.
大跨度屋盖围护结构的设计风荷载研究。
Research on the wind-resistant design methods of long-span roofs.
对上海铁路南站主站屋新型大跨度钢屋盖结构的抗震性能进行了研究。
The aseismic behavior is studied for the new-type and long-span steel roof structure of the main building of Shanghai South Railway Station.
某体育馆钢屋盖为大跨度弦支穹顶结构。
The steel roof structure of a gymnasium is a kind of large span string-dome structure system.
裙房大跨度屋盖采用了后张有粘接预应力混凝土井字梁楼盖结构，设计时考虑了次弯矩的影响。
The post tensioned bonded prestressed square-crossing beams are applied in larger span roof design of podium, and secondary moments are considered in design.
工程的基础处理复杂，屋盖结构跨度大、体系新颖。
The foundation design of the project is complicated, and structure system of the large-span roof is brand-new.
大跨度空间钢结构屋盖具有整体刚度好、质量轻、。柔性大、阻尼小等特点。
The large-span spatial steel ro of structures own specialities such as good rigidity, light weight, fine flexibility and small amortization.
大跨度空间钢结构屋盖具有整体刚度好、质量轻、。柔性大、阻尼小等特点。
The large-span spatial steel ro of structures own specialities such as good rigidity, light weight, fine flexibility and small amortization.
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