排序方式: 共有3条查询结果,搜索用时 15 毫秒
1
1.
福建地区中小地震加速度反应谱衰减规律 总被引:1,自引:0,他引:1
本文基于收集福建省地震监测台网7个基岩台站从1999年至2007年获得的94个地震(ML=2.8~4.9,△=13~462 km) 的1974条宽频带速度记录,利用实时仿真方法得到了相应的加速度记录,进而得到了福建地区基岩场地中小地震绝对加速度反应谱的衰减关系.对基岩反应谱有影响的因素主要有震源、传播途径,本文简要分析这两个因素对地震动的影响.此项工作对于福建省抗震设防具有重要的意义. 相似文献
2.
We collect 1974 broad-band velocity records of 94 earthquakes (ML=2.8~4.9, △=13~462 km) from seven stations of the Fujian Seismic Network from March 1999 to March 2007. Using real-time simulation, we obtain the corresponding acceleration and then adopt different models to analyze the seismic data. As a result, a new attenuation relationship between PGA and PGV of the small and moderate earthquakes on bedrock site in Fujian region is established. The Yongchun earthquake occurred recently verifies the attenuation relationship well. This paper provides a new approach for studying the ground motion attenuation relationship using velocity records. 相似文献
3.
1