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首页> 外文会议>12th World Conference on Earthquake Engineering >NEW ATTENUATION RELATIONS FOR PEAK GROUND ACCELERATION AND VELOCITYCONSIDERING EFFECTS OF FAULT TYPE AND SITE CONDITION
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NEW ATTENUATION RELATIONS FOR PEAK GROUND ACCELERATION AND VELOCITYCONSIDERING EFFECTS OF FAULT TYPE AND SITE CONDITION

机译：考虑断层类型和工况的峰值加速度和速度的新衰减关系

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New attenuation relationships for peak ground acceleration on soil ground and for peak ground velocity on stiff ground are developed based on the regression analysis of strong ground motion recordings from 21 Japan earthquakes. In the analysis, 856 data for peak ground acceleration and 394 data for peak ground velocity are used, including those recorded in the near-source area. In the study, the earthquakes are classified into three groups, i.e., crustal, inter-plate and intra-plate earthquakes, according to the fault type. The site effects are evaluated quantitatively, and the path effects are evaluated by using two types of distance measurement, such as fault distance and equivalent hypocentral distance. The new attenuation relationships show that an intra-plate earthquake generates stronger acceleration and velocity than inter-plate and crustal events. The results also show that the earthquake with deeper focal depth generates stronger ground motion.
机译：在对日本21次地震的强地面运动记录进行回归分析的基础上，开发了新的衰减关系，用于土壤地面上的峰值地面加速度和坚硬地面上的峰值地面速度。在分析中，使用了856个峰值地面加速度数据和394个峰值峰值速度数据，包括记录在近源区域中的数据。在研究中，根据断层类型将地震分为地壳地震，板间地震和板内地震三类。定量评估站点效应，并通过使用两种类型的距离测量方法来评估路径效应，例如断层距离和等效中心距。新的衰减关系表明，板内地震产生的加速度和速度要高于板间和地壳事件。结果还表明，震源越深的地震产生的地震动越强。

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