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首页> 外文期刊>Natural Hazards >Simulation of near-field ground motion characteristics of May 01, 2013, Doda earthquake using modified semi-empirical approach
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Simulation of near-field ground motion characteristics of May 01, 2013, Doda earthquake using modified semi-empirical approach

机译：修正半经验方法模拟2013年5月1日多达地震的近场地震动特征

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摘要

Strong ground motions are the most desirable for the earthquake-resistant design of structures. If the site at which a major construction is required has less ground motion records, then artificial ground motions will serve the purpose. In highly seismic areas like Kashmir and the Himalaya region, artificial ground motions are quite helpful. Artificial accelerograms can be generated either through analytical or numerical procedures. Several methods were suggested in the literature for generating artificial ground motions. However, suitability of method for the region is to be understood before application. The main objective of this paper is to generate synthetic accelerograms of May 01, 2013, Doda earthquake using modified semi-empirical approach. A MATLAB code is written to generate the ground motion records of 1991 Uttarkashi earthquake and also validate the results. Based on effectiveness of the code, the ground motion records of 2013 Doda earthquake is generated at three near-field seismic stations. The study reveals that the semi-empirical approach has effectively generated the ground motions at many stations. Simulated ground motions of the 2013 Doda earthquake are satisfactorily good at Chamba, Jammu and Palampur stations along FN and FP components. Also, the acceleration response spectra are fairly good at periods longer than 2.0 s.
机译：对于结构的抗震设计，强烈的地面运动是最理想的。如果需要进行大型施工的地点的地面运动记录较少，则可以进行人工地面运动。在克什米尔和喜马拉雅地区等高地震地区，人工地震动非常有帮助。人工加速度图可以通过分析或数值程序生成。文献中提出了几种方法来产生人工地震动。但是，应在应用之前了解该方法对于该区域的适用性。本文的主要目的是使用改进的半经验方法生成2013年5月1日Doda地震的合成加速度图。编写MATLAB代码以生成1991年Uttarkashi地震的地面运动记录并验证结果。根据该规范的有效性，在三个近场地震台站上产生了2013年Doda地震的地震动记录。研究表明，半经验方法已经有效地在许多站点产生了地震动。沿着FN和FP分量的Chamba，Jammu和Palampur站，2013年Doda地震的模拟地震动令人满意。同样，加速度响应谱在大于2.0 s的时间内也相当好。

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