| 利用随机有限断层法计算海河断裂的地震动 |
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| 引用本文： | 王晓荣,易立新,李鹏.利用随机有限断层法计算海河断裂的地震动[J].地震研究,2011,34(2). |
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| 作者姓名： | 王晓荣 易立新 李鹏 |
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| 作者单位： | 南开大学环境科学与工程学院,天津,300071 |
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| 基金项目： | 国家自然科学基金(40930637)项目资助 |
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| 摘 要： | 通过构建横向均匀成层的地震断层模型,利用随机有限断层法,计算了海河断裂发生6.5级地震的地震动分布。计算结果克服了现行综合概率法计算结果不能体现近场效应的缺陷,并反映出断层上盘效应等特点,该结果可作为最大可信地震动应用于抗震设防变形验算,同时还可以作为评价综合概率法结果不确定性的一个参考,对海河断裂影响带的防灾减灾具有一定的借鉴价值。
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| 关 键 词： | 海河断裂 随机有限断层法 近场强地震动 峰值加速度 |
Computing the Ground Motion of the Haihe Fault with Stochastic Finite Fault Model |
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| WANG Xiao-rong,YI Li-xin,LI Peng.Computing the Ground Motion of the Haihe Fault with Stochastic Finite Fault Model[J].Journal of Seismological Research,2011,34(2). |
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| Authors: | WANG Xiao-rong YI Li-xin LI Peng |
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| Institution: | WANG Xiao-rong,YI Li-xin,LI Peng (College of Environmental Science & Engineering,Nankai University,Tianjin 300071,China) |
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| Abstract: | The Haihe Fault is a major active fault in Tianjin.It is an important basis for the seismologists to determine the potential earthquake sources,and it plays a decisive role for people to select the aseismic design parameters.In this paper,we make a homogeneous layer of horizontal fault model to compute the effect of ground motion of a hypothetic M6.5 earthquake generated by the Haihe Fault using stochastic finite-fault method.The new method overcomes the shortcomings of the integrated probability method tha... |
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| Keywords: | the Haihe Fault stochastic finite-fault model near-field strong ground motion peak acceleration |
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