| 导流堤地基土动力特性的试验研究 |
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| 引用本文： | 王桂萱,周金领,赵杰,郑洋.导流堤地基土动力特性的试验研究[J].西北地震学报,2011,33(Z1). |
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| 作者姓名： | 王桂萱 周金领 赵杰 郑洋 |
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| 作者单位： | 大连大学土木工程技术研究与开发中心,辽宁大连,116622 |
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| 摘 要： | 通过对某核电厂取水明渠导流堤地基土室内共振柱试验及粉砂的动三轴液化试验,测定了动剪切模量、阻尼比与动剪应变幅的双曲线关系,分析了导流堤地基土的动力变形特性,探讨了砂土的抗液化强度与液化振次之间的乘幂函数关系,确定了该地基土的抗液化强度指标。试验结果为评价导流堤的地震稳定和液化分析提供了相关参数。
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| 关 键 词： | 导流堤 动力特性 动模量 阻尼比 液化 |
The Experimental Study on Dynamic Characteristic of Diversion Dike's Foundation Soil |
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| WANG Gui-xuan,ZHOU Jin-ling,ZHAO Jie,ZHENG Yang.The Experimental Study on Dynamic Characteristic of Diversion Dike's Foundation Soil[J].Northwestern Seismological Journal,2011,33(Z1). |
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| Authors: | WANG Gui-xuan ZHOU Jin-ling ZHAO Jie ZHENG Yang |
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| Institution: | WANG Gui-xuan,ZHOU Jin-ling,ZHAO Jie,ZHENG Yang(Research and Development Center of the Civil Engineering Technology,Dalian University,Dalian 116622,China) |
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| Abstract: | Through the resonance column test and dynamic triaxial liquefaction test on diversion dike soil of a nuclear power plant,the curves of dynamic shear modulus-dynamic shear strain and damping ratio-dynamic shear strain are gotten,the dynamic deformation characteristics of diversion dike soil are analyzed,the exponentiation function between liquefaction resistance strength and liquefaction shake times of sand soil is studied,and the indexes of liquefaction resistance strength is confirmed.The results provide r... |
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| Keywords: | Diversion dike Dynamic characteristic Dynamic modulus of elasticity Damping ratio Liquefaction |
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