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首页> 外文期刊>Arabian journal of geosciences >Evaluation of a nonlinear seismic geotechnical site response analysis method subjected to earthquake vibrations (case study: Kerman Province, Iran)
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Evaluation of a nonlinear seismic geotechnical site response analysis method subjected to earthquake vibrations (case study: Kerman Province, Iran)

机译：评估地震作用下的非线性地震岩土场响应分析方法（案例研究：伊朗克尔曼省）

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摘要

Equivalent static load and dynamic analyses methods are usually used for designing structures under and subjected to earthquake excitations. Estimation of site response from an earthquake is fundamental step to anticipate the possible damages and then to try to mitigate them. In this paper, the effect of nonlinearity on site response analyses summarized and evaluating ground surface response taking into account the local soil and subsurface soils properties for the proposed bridge over the river at Sirdjan Boulevard road subjected to earthquake vibration and provokes with assumption of rigid (viscoelastic) and elastic half space bedrock and quantify the site effect on the surface over a number of geotechnical areas has been notified. First, by field investigation, the required data were collected and by primary processing the acceptable data were selected. Then, in nonlinear analysis, for elastic and rigid half space bedrock, standard hyperbolic model was selected and executed, and then the results were compared to each other. The critical point of this work was to develop and use a computer code by the authors, named the "Abbas Converter", with several advantages, such as work and quick installation, operating as a connecter function between the used softwares and generating the input data corresponding to defined format for them. Its output results can easily be exported to the other used softwares in this study. This code can make and render this study more easily than the previous softwares have done, and take over the encountered problem. This study clearly showed the applicability of the "Abbas Converter" for evaluation of site response with bedrock-type assumption on soil behavior under the earthquake excitations. The proposed scheme is used to analyze the ground motion data from the Bam earthquake in Kerman Province, Iran (2003, M_w 6. 5).
机译：等效静载荷和动力分析方法通常用于设计地震激励作用下的结构。估计地震的现场响应是预测可能的破坏并试图减轻破坏的基本步骤。在本文中，非线性对场地响应的影响进行了总结并评估了地表响应，并考虑了拟定的Sirdjan Boulevard公路上过江桥梁在地震振动和挑衅下的局部土和地下土壤特性，并假设其为刚性（已经通知了一些弹性和半弹性的基岩，并量化了许多岩土区域表面的现场效应。首先，通过现场调查，收集了所需的数据，并通过初步处理选择了可接受的数据。然后，在非线性分析中，对于弹性和刚性半空间基岩，选择并执行标准双曲模型，然后将结果进行比较。这项工作的关键点是开发和使用由作者命名为“ Abbas Converter”的计算机代码，它具有多个优点，例如工作和快速安装，在使用的软件之间充当连接器功能并生成输入数据。对应于它们的定义格式。它的输出结果可以轻松导出到本研究中的其他二手软件。与以前的软件相比，此代码可以使研究更容易进行和呈现，并且可以解决遇到的问题。这项研究清楚地表明，“ Abbas转换器”适用于在地震激励下以基岩型假设为基础的土壤行为来评估场地响应。拟议的方案用于分析伊朗克尔曼省巴姆地震的地震动数据（2003年，M_w 6. 5）。

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