| 1. | Kelvin voigt model
开耳文模型 |
| 2. | Vibration of inhomogeneous viscous - elastic pile embedded in layered soils with general voigt model
端承桩与土纵向耦合振动时桩顶响应解析研究 |
| 3. | The main original work includes : 1 . with laplace transformation , the solution for longitudinal vibration of a pile with variable cross - section is derived when surrounding soil is simulated respectively with normal voigt model and normal maxwell model
主要工作包括： 1 、采用拉氏变换法分别得到了标准voigt模型和标准maxwell模型条件下成层土中任意段变截面桩纵向振动解。 |
| 4. | 2 . under the condition that the layered soil surrounding pile can be simulated with general voigt model or general maxwell model , the mathematical equations for longitudinal vibration of a pile with self - viscosity is established in the form of integral transformation , and the corresponding solution is obtained by using impedance function
2 、分别建立了桩侧土为广义voigt模型和广义maxwell模型条件下考虑桩身材料阻尼的成层地基中桩纵向振动的积分变换形式定解问题，并采用阻抗函数递推法得到了相应解。 |
| 5. | The time effect of the settlement of single pile in a homogeneous soil was investigated . the interface between pile and soil was simulated by voigt model , and the analytical relationship of settlement and time of single pile in homogeneous soil was obtained by the method of separating variables
均质地基中单桩沉降的时间效应研究将桩周土对桩的作用简化为voigt体模型，建立了均质地基中考虑土体粘弹性的单桩静力平衡方程，成功地将时间因素与单桩的沉降联系起来。 |
| 6. | Generalized voigt model was used to simulate the visco - elastic property of soil surrounding pile and the relationship between settlement and time of pile embedded in layered soil was investigated . a corresponding semi - analytical solution was obtained by laplace transform method and fourier inverse method . the parameters in the generalized voigt model were connected with the conventional geotechnical parameters of soil and the behavior of pile settlement was then analyzed and discussed
进而借鉴桩基动力分析中的平面应变模型参数的取值方法，将广义voigt体模型中的参数与土体的基本物理力学参数相联系，使得参数的选取具有一定的确定性和准确性，并进一步分析讨论了各参数的变化对单桩沉降性状的影响。 |
| 7. | The influence of soil on the pile was simulated by voigt model according to the layered characteristic of soil surrounding the pile . the semi - analytical solution for the relationship between the pile head settlement and time was obtained by laplace transform method and fourier inverse method . by using the solution , the influence of all relevant parameters on the pile settlement behavior was investigated and discussed
成层广义voigt体地基中单桩沉降的时间效应研究将成层地基中每一层土对桩的作用简化为广义voigt体模型，由此建立了单桩的静力平衡方程，并求解得到了成层地基中静荷载下单桩桩顶沉降在拉普拉斯变换域的解析解和在时间域的半解析解。 |
| 8. | In this dissertation , on the basis of the existing work , the longitudinal vibration theory and the relevant properties of pile with defects and variation modulus in layered soils is studied , in which viscosity of pile material is considered and surrounding soils are simulated respectively with normal voigt model , normal maxwell model , general voigt model and general maxwell model
在总结前人研究成果的基础上，本文将桩侧土分别简化为标准voigt模型、标准maxwell模型、广义voigt模型、广义maxwell模型，并考虑桩自身材料阻尼，对成层土中变阻抗桩的纵向振动理论及其特性进行了研究。 |
