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| Prediction of near-field strong ground motions for scenario earthquakes on active fault | |
| 作者姓名： | 王海云 谢礼立 陶夏新 李捷 |
| 作者单位： | [1]School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China [2]School of Petroleum Engineering, Daqing Petroleum Institute, Daqing 163318, China [3]Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China |
| 基金项目： | 中国博士后科学基金;黑龙江省博士后科研启动基金;国家地震局资助项目 |
| 摘 要： | 1 Introduction Earthquake disaster investigations show that numerous strong earthquakes were caused by remobilization of active faults. Major casualties and severe damage to buildings as well as signi?cant economic losses resulted from the ground motions of strongearthquakescausedbyactivefaultslocatedbeneath urban areas. Recently, the potential hazard prediction of and its mitigation against active faults located beneath urban areas have become an important research topic for seismologists and… |
| 关 键 词： | 地震 活跃断层 地面运动 地质构造 |
| 文章编号： | 1671-3664（2006）01-0011-07 |
| 收稿时间： | 2005-10-27 |
| 修稿时间： | 2006-03-09 |
Prediction of near-field strong ground motions for scenario earthquakes on active fault |
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| Haiyun Wang,Lili Xie,Xiaxin Tao,Jie Li.Prediction of near-field strong ground motions for scenario earthquakes on active fault[J].Earthquake Engineering and Engineering Vibration,2006,5(1):11-17. | |
| Authors: | Haiyun Wang Lili Xie Xiaxin Tao Jie Li |
| Institution: | 1. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China;School of Petroleum Engineering, Daqing Petroleum Institute, Daqing 163318, China 2. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China;Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China 3. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China 4. School of Petroleum Engineering, Daqing Petroleum Institute, Daqing 163318, China |
| Abstract: | A method to predict near-field strong ground motions for scenario earthquakes on active faults is proposed. First, macro-source parameters characterizing the entire source area, i.e., global source parameters, including fault length, fault width, rupture area, average slip on the fault plane, etc., are estimated by seismogeology survey, seismicity and seismic scaling laws. Second, slip distributions characterizing heterogeneity or roughness on the fault plane, i.e., local source parameters, are reproduced/evaluated by the hybrid slip model. Finally, the finite fault source model, developed from both the global and local source parameters, is combined with the stochastically synthetic technique of ground motion using the dynamic comer frequency based on seismology. The proposed method is applied to simulate the acceleration time histories on three base-rock stations during the 1994 Northridge earthquake. Comparisons between the predicted and recorded acceleration time histories show that the method is feasible and practicable. |
| Keywords: | active fault scenario earthquake near-field strong ground motion global source parameters local source parameters asperity model k square slip model |
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