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首页> 外文学位 >Comparison of simulated ground motion peak accelerations with the 2006 International Building Code design response spectra for the New Madrid Seismic Zone.
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Comparison of simulated ground motion peak accelerations with the 2006 International Building Code design response spectra for the New Madrid Seismic Zone.

机译：将新马德里地震区的模拟地面运动峰值加速度与2006年国际建筑规范设计响应谱进行比较。

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摘要

The overall goal of this study is to compare the 2006 International Building Code design response spectrum to the single degree of freedom linear elastic response spectrum generated from synthetic earthquake ground motions. This is done by first producing a series of synthetic ground motion accelerations formulated from site parameters that are characteristic of the New Madrid Seismic Zone, and then filtering the acceleration data through a baseline correction scheme to adjust any drifts in the displacement response. Next, the response spectra of each time series is calculated and used to find the average spectral response for all of the acceleration traces. The amplitudes of this plot are compared to a 2006 International Building Code design response spectrum formulated for the same site conditions. In addition, the effects of stress drop and magnitude on the simulation response spectrum were examined. For this study, the simulated ground motions produced larger spectral response acceleration values for structures with larger natural periods as compared to the general method. This would imply that implementing the stochastic method for specific site study design in the New Madrid Seismic Zone would create larger design forces and thus, stronger structures, compared to the general method outlined in the 2006 IBC. It was also determined that an accurate estimation of moment magnitude and stress drop for the site is a key factor in stochastic ground motion simulation.
机译：这项研究的总体目标是将2006年国际建筑法规的设计响应谱与合成地震地震动产生的单自由度线性弹性响应谱进行比较。首先，根据新马德里地震带特征的站点参数生成一系列合成地震动加速度，然后通过基线校正方案对加速度数据进行滤波，以调整位移响应中的任何漂移。接下来，计算每个时间序列的响应谱，并将其用于查找所有加速度迹线的平均谱响应。将该图的幅度与针对相同场地条件制定的2006年国际建筑规范设计响应谱进行比较。此外，检查了应力下降和幅度对模拟响应谱的影响。对于本研究，与常规方法相比，对于具有较大自然周期的结构，模拟的地面运动产生了较大的频谱响应加速度值。这意味着与2006 IBC中概述的一般方法相比，在新马德里地震区中针对特定现场研究设计实施随机方法将产生更大的设计力，从而产生更坚固的结构。还确定了对场地力矩大小和应力降的准确估算是随机地面运动模拟中的关键因素。

著录项

  • 作者

    Kostecki, Jodi.;

  • 作者单位

    Southern Illinois University at Carbondale.;

  • 授予单位 Southern Illinois University at Carbondale.;
  • 学科 Engineering Civil.
  • 学位 M.S.
  • 年度 2008
  • 页码 59 p.
  • 总页数 59
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 建筑科学;
  • 关键词

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