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本文在现行烈度区划图和新编抗震设计规范有关规定的基础上,为减小和避免在应用中对各种参数理解的差异以及参数本身所具有的不确定性,结合中小城镇编制防灾规划的特点和要求,提出考虑烈度、场地分类和远、近震模糊性的地震动影响小区划方法,可供中小城镇编制抗震防灾规划时参考。
On the basis of the current intensity regionalization map and the new regulations for seismic design specifications, this paper combines the understanding of the differences in various parameters in application and the uncertainties of the parameters themselves, and combines disaster prevention planning with small and medium-sized towns. The characteristics and requirements of the proposed method include the consideration of intensity, site classification, and the influence of distant and near-fuzzy ground motions on the delineation of sub-districts, which can be used as reference for the preparation of earthquake- and disaster-prevention plans for small and medium-sized towns.