The method of computering vertical seismic force and development of researching vertical seismic effect are briefly introduced.

简要叙述了计算竖向地震作用的方法以及竖向地震作用的研究进展。

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Some results are indicated that horizontal and vertical seismic force must simultaneously be considered in the seismic study and design of the prestressed-arch structures.

结果表明，在预应力拱架结构的抗震研究中，需同时考虑水平和竖向地震作用。

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Some results are indicated that horizontal and vertical seismic force must simultaneously be considered in the seismic study and design of the prestressed-arch structures.

结果表明，在预应力拱架结构的抗震研究中，需同时考虑水平和竖向地震作用。

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