| 1. | Vertical soil - pile interaction during the passage of raileigh waves in two - layered soil
瑞利波作用下成层地基中单桩横向振动分析 |
| 2. | Study on surface contact stress distribution properties for multi - layered foundation during dynamic consolidation
强夯作用下成层地基的表面接触应力分布特征 |
| 3. | Combining these formulas with some earthquake intensity and site - eigenperiod , the lateral seismic responses of free - head and fixed - head pile groups were calculated
结合具体的抗震设防烈度和场地特征周期，计算了成层地基中群桩的横向地震响应。 |
| 4. | Afterwards , considering the inertial force from superstructures , analytical solution to lateral seismic response of single pile in layered soils induced by rayleigh waves was developed based on winkler beam model
然后，采用winkler地基梁模型，考虑上部结构惯性力的作用，推导了远场地震成层地基中单桩的横向地震响应的解析解。 |
| 5. | Based on the analytical method of the lateral seismic response of single pile , the formulas for calculating the seismic response of pile groups in layered soils were derived by introducing the pile - to - pile interaction factor
在单桩地震响应分析的基础上，引入桩与桩的相互作用因子，推导了远场地震作用下成层地基中群桩横向动力响应的计算公式。 |
| 6. | In the analysis of this paper , tall frame is divided into space beam element , layered foundation is divided into finite layer , and the stiffness of a single pile is determined by q - s curve
本文分析时将空间框架离散为空间杆件单元，将成层地基离散为有限层元，采用q - s曲线确定单桩刚度，建立了考虑空间框架与桩基共同作用的有限元和有限层模型。 |
| 7. | However boussinesq solution based on semi - infinite elastic space model is still applied to calculate additional stress and settlement in foundation . to resolve the problems of layered soil , some advanced study has been done
而目前计算地基附加应力和沉降多是基于均质各向同性半无限弹性体的boussinesq解，为了很好地解决成层地基模型的计算问题，许多学者已经致力于这方面的研究。 |
| 8. | ( 3 ) according to the principle of equality of consolidation degree , an equivalent method of converting vertical drain to layered soil was proposed , and we can use plane strain fem to analyze ground with vertical drain via translating it to layered soil foundation
( 3 )根据固结度等效的原则，提出了与单井固结理论等效的成层均质地基等效渗透系数计算方法，从而将复杂砂井地基转化为无砂井成层地基，可用于平面应变有限元简化计算。 |
| 9. | Once the non - linear rheological characteristics of soils ignored , aodnrcls turns to be the available computer program naodcls that was for solving small - strain non - linear consolidation problem . if the nonlinear property of soils is ignored further , aodnrcls will return to odcals that was developed based on the one - dimensional linear elastic consolidation theory of layered soils
当不考虑土的流变特性时，本文的计算程序aodnrcls就可退化到现有的成层地基一维非线性固结计算程序naodcls ；而当进一步不考虑土的非线性时，程序便可化为成层地基一维线弹性固结计算程序odcals 。 |
| 10. | The pile group and the surrounding soil are discretized into horizontal layers , which meets a plane strain assumption . by means of that the single pile dynamic impedance is developed with a transfer matrix method , the pile - to - pile dynamic interaction factor is derived . then , the dynamic impedances of rigidly - capped pile groups with due consideration to pile - soil - pile interaction for vertical oscillations are produced
本论文充分考虑土的成层性和沿深度有变化的特性，将土层沿深度离散形成一系列均质的土层，各土层视为满足平面应变假定，应用传递矩阵法推导出单桩在成层地基中的动力阻抗；并据此研究了在成层地基中的桩-桩动力相互作用因子，然后推导了群桩刚性承台竖向动力阻抗。 |
