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非线性土
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  non-linear soil
     The non-linear soil mechanics model based on Mohr-Coulomb yield criteria is deducted, and impaction effect of non-column wheels of compacting roller is calculated using MSC/NASTRAN.
     推导了基于Mohr-Coulomb屈服准则的非线性土力学模型,利用MSC/NASTRAN软件对冲击式压实机非圆柱形压实轮压实效果进行了有限元计算分析。
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  nonlinear subgrade
     Nonlinear Subgrade Reaction Method of Analyzing Retaining Structure of Foundation Pit
     基坑支护结构的非线性土抗力分析法
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  “非线性土”译为未确定词的双语例句
     Research of the Non?linearity Models of Soil Resistance
     桩-土非线性土阻力模型的研究
短句来源
     A Study on Effects of Nonlinear Soil-Pile Interaction Upon Aseismic Design of Piled Wharf Pier
     非线性土体桩土相互作用对高桩码头抗震设计影响的分析
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     A nonlinear earth pressure method for deep excavation considering deformation of retaining wall
     一种考虑挡土墙变形的深基坑非线性土压力方法
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     (3) A nonlinear theory of earth pressure calculation is presented in the thesis.
     (3)提出了高填方涵洞非线性土压力理论。
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     The effectiveness of nonlinear dynamic property of fly ash and increases of pore pressures in dam on the dynamic shear modulus are taken into account. The analysis technique in time domain for. nonstationary response of linear system is combined with the equivalent linearization procedure for stationary response of soil structures.
     考虑地震动过程的随机性和非平稳性,考虑粉煤灰动力特性的非线性和 坝内孔隙水压力增长对动剪模的影响,将线性系统非平稳反应的时域模态分 析技术与非线性土结构平稳反应的等价线性化法相结合,对一座实际的粉煤 灰坝进行了有效应力非平稳随机地震反应分析;
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  相似匹配句对
     An Experimental study of Nonlineor K--G Model For Soils
     非线性K-G模型的试验研究
短句来源
     Test Study of Nonlinear Soil-Structure Interaction
     -结构相互作用的非线性反应
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     Nonlinear Diffusion
     非线性扩散
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     Nonlinear Systems
     非线性系统学
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  non-linear soil
The seismic behavior of tall buildings can be greatly affected by non-linear soil-pile interaction during strong earthquakes.
      
For non-linear soil springs, the governing differential equation that describes the soil-structure interaction may be discretized into a set of algebraic equations based upon finite difference methods.
      
Comparisons with linear elastic behaviour are then made to draw out the significance of the non-linear soil properties.
      
Clearly, the median ground motions are small enough for the M6.2 scenario that non-linear soil behavior is not significant.
      
Three-dimensional Boundary Element Method applied to non-linear soil structure interaction.
      
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In the computation of ground motion due to one-dimensional shear wave propagation in soils using the characteristics method, consideration of the stress-strain relationship of soils is an important factor.In this study,comparison is made between two different stress-strain relationships(one is shown in the Ramberg-Osgood curve which is frequently adopted in engineering,and the other is shown by the viscoelastic model).Definition of the damping ratio which is usually used in the laboratory is discussed and the...

In the computation of ground motion due to one-dimensional shear wave propagation in soils using the characteristics method, consideration of the stress-strain relationship of soils is an important factor.In this study,comparison is made between two different stress-strain relationships(one is shown in the Ramberg-Osgood curve which is frequently adopted in engineering,and the other is shown by the viscoelastic model).Definition of the damping ratio which is usually used in the laboratory is discussed and the relationship between the coefficient of viscosity μ of non-linear soil and the parameter determined in the laboratory is deduced,showing that μ is frequency-dependent which will bring some trouble to the computation of the earthquake response.A method of computation with predominant frequency is suggested.The results of the computation show that the method based on the viscoelastic model and taking account of the predominant frequency is more reasonable.

在用特征线方法计算一维剪切波在土中传播而产生的地面运动时,如何正确考虑土的应力-应变关系是一个重要问题。文中对两种不同的应力-应变关系(一种为工程上常用的 Ramberg-Osgood 曲线,另一种为粘弹性模型)进行了计算比较。在应用粘弹性模型时,本文对实验室中沿用的阻尼比的定义进行了探讨,推导了非线性土的粘性系数μ和实验室测定的参数之间的关系,指出μ依赖于外载频率ρ。而这点对于地震反应的计算会带来麻烦,因此提出对应于卓越频率进行计算。计算结果表明,用粘弹性模型并考虑卓越频率的方法比较合理。

Cased on the analysis of data of pile test, a method for computing the axial bearing capacity of socketed pile is presented. The physical parameters of the resistance function are calculated with measured data, and the load-displacement curve computed by means of a non-linear mathematical model agrees with the measured one. Then the values of allowable load and permissible displacement are proposed. A computer program involving also the computation of lateral bearing capacity with non-linear stiffness coefficient...

Cased on the analysis of data of pile test, a method for computing the axial bearing capacity of socketed pile is presented. The physical parameters of the resistance function are calculated with measured data, and the load-displacement curve computed by means of a non-linear mathematical model agrees with the measured one. Then the values of allowable load and permissible displacement are proposed. A computer program involving also the computation of lateral bearing capacity with non-linear stiffness coefficient has been compiled for designing the socketed pile foundation of large bridge.

本文通过对大型试桩资料的分析研究,提出了嵌入无覆盖层的软质岩石中的桩轴向承载力的计算方法。该方法用非线性的土阻力数学模型,应用实测资料求出了阻力函数中反映岩土物理指标的参数,算出了与实测值相吻合的荷载-位移曲线,提出了容许荷载、容许位移的指标。在提供设计使用时,采用非线性刚度系数,并配合横向抗力计算编制了嵌岩桩计算程序。该程序已应用于大型桥梁的桩基设计中。

In this paper, the two-dimensional dynamic consolidation equations for saturated soil are established according to the D'Alembert's principle and the effective stress principle. In these equations the calculation of pore water pressure is introduced. The non-linear effective stress dynamic ana- ; lysis of coupling vibrating system considering of soil and pore water is made by finite element method considering the generation, diffusion and dissipation of pore water pressure in embankment or foundation. This method...

In this paper, the two-dimensional dynamic consolidation equations for saturated soil are established according to the D'Alembert's principle and the effective stress principle. In these equations the calculation of pore water pressure is introduced. The non-linear effective stress dynamic ana- ; lysis of coupling vibrating system considering of soil and pore water is made by finite element method considering the generation, diffusion and dissipation of pore water pressure in embankment or foundation. This method combining vibration with consolidation can reflect the real behaviour of soil mass under vibration and is more reasonable than usual static-dynamic alternate analysis method based on Terzaghi's or Biot's consolidation theory. Moreovere, static Biot's equation can be obtained as a special case of the dynamic consolidation equations.

本文从达朗贝尔原理出发,根据有效应力原理推导出饱和土体的二维动力固结方程,将其与孔隙水压力的计算结合起来,并利用有限单元法,即可对土坝(或地基)进行考虑孔隙水压力产生、扩散与消散的非线性土、水耦合振动系统的有效应力动力反应分析。本分析方法的特点是以动力固结方程为基础,将土体的振动与固结结合到一起考虑,较好地反映了土体在振动过程中的实际性态,比目前以太沙基或比奥静力固结方程为基础的静-动交替分析法更为合理。此外,比奥静力固结方程可作为动力固结方程的特例而得到。

 
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