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简要介绍了最近在日本国出现的桥梁免震设计方法、设计步骤、免震设计与非免震设计的震度比较、免震设计的经济效果,还简单介绍了免震支座的构造。
The bridge quake-free design methods, design steps, comparison of seismic isolation design with non-quake-free design and the economic effect of quakeproof design are introduced briefly in this paper. The structure of quakeproof bearings is also briefly introduced.