| 黄土动力特性参数的相关性分析 |
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| 引用本文： | 杨春鸣,邵生俊,王超.黄土动力特性参数的相关性分析[J].世界地震工程,2010(Z1). |
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| 作者姓名： | 杨春鸣 邵生俊 王超 |
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| 作者单位： | 西安理工大学岩土工程研究所; |
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| 基金项目： | 国家自然科学基金项目(50779054;10872161) |
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| 摘 要： | 阐述了黄土的动强度与液化、震陷性与动变形、动应力与动应变关系等基本动力学特性及其影响因素。基于黄土地区部分黄土动力学性质的试验结果,运用最小二乘法原理进行了相关性分析,揭示了黄土的动力学参数指标(骨干曲线初始切线模量,骨干曲线渐进线截距,最大动阻尼比)和湿陷性指标(湿陷系数)与黄土的物性指标(塑性指数、孔隙比、含水量)和固结围压之间的相关关系,建立了黄土动力学参数与物理力学指标之间线性关系的系数,为黄土工程的动力反应与稳定性分析提供了研究基础。
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| 关 键 词： | 黄土 动力学特性 动力学参数 相关性 |
Correlation analysis of loess dynamic characteristic parameters |
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| YANG Chunming,SHAO Shengjun,WANG Chao.Correlation analysis of loess dynamic characteristic parameters[J].World Information On Earthquake Engineering,2010(Z1). |
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| Authors: | YANG Chunming SHAO Shengjun WANG Chao |
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| Institution: | YANG Chunming,SHAO Shengjun,WANG Chao(Institute of Geotechnical Engineering,Xi'an University of Technology,Xi'an 710048,China) |
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| Abstract: | The basic dynamic characteristics of loess such as the dynamic strength and liquefaction,seismic subsidence and dynamic deformation,the relation between dynamic stress and dynamic strain are represented in this article.The correlation analysis is carried out by least square method based on the experiment results of dynamic characteristics in loess region,the correlation ship between the dynamic index of loess(initial tangent modulus of dynamic stress-dynamic strain hyperbola,asymptotic line intercept of dyn... |
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| Keywords: | loess dynamic characteristic dynamic parameter correlativity |
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