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首页> 外文期刊>International journal of geotechnical earthquake engineering >Dynamic Characterization and Site Response Studies for an Offshore Site Based on Detailed Geotechnical Tests
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Dynamic Characterization and Site Response Studies for an Offshore Site Based on Detailed Geotechnical Tests

机译:基于详细岩土测试的海上工地动态表征和工地响应研究

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The uniqueness of this paper is large amount of field test data and in addition laboratory test results on undisturbed soil samples, has been analyzed to capture the effect of local site condition and material properties of overlying soil on seismic ground motion characteristics. This study involves the seismic site characterization and ground response analysis of an offshore site in Western Yemen. From the results of field and laboratory tests, dynamic properties such as shear modulus and damping ratio for a very low to high strain levels was determined and site characterization was also carried out. Using seismic cone penetration test (SCPT) data a new correlation has been developed to predict the shear wave velocity. Synthetic ground motion was generated using Boore 's stochastic modeling technique for ground response analysis and peak ground acceleration (PGA) was evaluated and presented in the paper. This paper also presents a site specific design response spectrum based on Eurocode, corresponding to 475 and 2500year return period.
机译:本文的独特之处在于大量的现场测试数据,此外还对未受扰动的土壤样品进行了实验室测试,以分析局部场地条件和覆土的材料特性对地震地震动特征的影响。这项研究涉及也门西部一个海上站点的地震现场表征和地面响应分析。根据现场和实验室测试的结果,确定了从低到高应变水平的动态特性(例如剪切模量和阻尼比),并且还进行了位置表征。使用地震锥渗透测试(SCPT)数据,已开发出一种新的相关性来预测剪切波速度。本文采用Boore随机建模技术生成合成地面运动,用于地面响应分析,并对峰值地面加速度(PGA)进行了评估,并在本文中进行了介绍。本文还提出了基于欧洲规范的特定于站点的设计响应谱,对应于475年和2500年的回收期。

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