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依据GB18306-2015对地震动峰值加速度调整时的注意事项
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摘要
《中国地震动参数区划图》(GB18306-2015)规定在确定在不同场地条件下不同超越概率水平的地震峰值加速度时,应根据Ⅱ类场地条件下基本地震动峰值加速度进行调整,本文以Ⅱ类场地条件下基本地震动峰值加速度0.10g为例,试算不同超越概率水平条件下的地震基本地震动峰值加速度,并将试算结果与宣贯材料中的确定结果进行对比,发现其中产生不一致的原因是因为规范规定和确认流程描述不严谨,在细节部分未说明清晰。笔者进一步对宣贯材料的确定流程进行优化,提出了在计算过程中的注意事项,为其他设计人员提供参考。
Seismic ground motion parameters zonation map of China(GB18306-2015) regulations under different site conditions in determining the different probability levels of seismic peak ground acceleration,should according to the fundamental Ⅱ class field under the condition of the seismic peak ground acceleration,taking Ⅱ class field under the condition of the basic seismic peak acceleration of 0.10 g as an example,the trial under different conditions of exceeding probability of seismic ground motion peak acceleration,basic and will determine the results from the trial results with stable cross material,found the causes of inconsistent because rules and confirm the process description is not rigorous,is explained in detail is not clear.The author further optimize the determination of stable cross material process,puts forward the matters needing attention in the process of calculation,provide a reference for other designers.
引文
[1]GB 18306-2015,中国地震动参数区划图[S].
    [2]高孟潭,《GB 18306-2015〈中国地震动参数区划图〉宣贯材料》[M].北京:中国标准出版社,2015.8.

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