| 稳态机械阻抗法动测规律的应用研究 |
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| 引用本文： | 张忠苗.稳态机械阻抗法动测规律的应用研究[J].地球物理学报,1996,39(Z1):333-341. |
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| 作者姓名： | 张忠苗 |
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| 作者单位： | 浙江大学土木系, 杭州 310027 |
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| 摘 要： | 利用改进的复合平面应变轴对称的Ｂ－Ｎ法，计算得到了桩顶动力复刚度公式，并通过计算机分析得到完整桩、缩颈桩、断桩、离析桩、扩颈桩的速度导纳曲线规律及动刚度的变化规律，并结合实例对其应用作了说明．
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| 收稿时间： | 1996-03-06 |
APPLICATION STUDY OF DYNAMIC PILE TESTING OF THE STABLE MECHANICAL IMPEDANCE METHOD |
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| ZHANG ZHONG-MIAO.APPLICATION STUDY OF DYNAMIC PILE TESTING OF THE STABLE MECHANICAL IMPEDANCE METHOD[J].Chinese Journal of Geophysics,1996,39(Z1):333-341. |
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| Authors: | ZHANG ZHONG-MIAO |
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| Institution: | Department of Civil Engineering, Zhejiang university, Hangzhou 310027, China |
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| Abstract: | In this Paper,a formulate to determine dynamic stiffness of pile base is derived by the imProved composite Plane strain axial symmetry B-N method. The theoretical Vo/Fo-f response curve and dynamic stiffness of integrity pile and defective pile such as change in crosssection,crack or segregation are obtained from computer analysis. Several cases are presented to confirm its reliability. |
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