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soil models
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  土壤模型
     A numerical method is used to analyze the design methods of grounding system in uniform and double-layer soil models.
     对于均匀土壤和双层土壤模型,采用数值分析技术讨论了考虑季节影响后接地系统的设计方法。
短句来源
     The 110 kV Tuotuohe and Wudaoliang substations supplying power for Qinghai-Tibet railway locate in high-cold permafrost area, how to obtain the soil models of the substations is the prerequisite of grounding system design.
     为青藏铁路供电的110kV沱沱河和五道梁变电站地处高寒永冻地区,如何分析得到变电站的土壤模型是设计接地系统的前提。
短句来源
     According to the on-site test results of soil resistivities in two substations, the multi-layered soil models for two substations are obtained by use of the inversion theory of soil lamination.
     根据土壤电阻率的现场实测结果采用土壤分层的反演理论分析得到了沱沱河和五道梁两变电站的土壤模型;
短句来源
     By means of statistical analysis on the seasonal variation of the ground temperature of two substations, the resistivity of surficial soil in winter is determined to reflect the impact of seasonal factors on soil models.
     通过统计分析两变电站地温的季节变化来确定冬季地表土壤的电阻率,以反映季节因素对土壤模型的影响;
短句来源
     Building up soil models in different seasons establishes the foundation for the grounding system design of two substations.
     不同季节土壤模型的建立为沱沱河和五道梁两变电站接地系统的设计奠定了基础。
短句来源
  土模型
     Introduction to partly soil models in ABAQUS Software and their application to the geotechnical engineering
     ABAQUS软件中部分土模型简介及其工程应用
短句来源
     The unification of processing softened and hardened soil models is realized by the modified model, which can reflect not only pile-soil slip and degradation of frictional resistance, but also reflect asynchronous action of lateral friction and lateral resistance. It is very useful for further research on load transfer mechanism of piled foundations.
     该模型不仅实现了加工软化型土和硬化型土模型的统一,可反映桩土之间产生的滑移和摩阻力的退化,而且可反映桩侧摩阻力和桩侧阻力的异步发挥现象,对进一步研究桩基荷载传递机理具有实用价值。
短句来源
  “soil models”译为未确定词的双语例句
     A Study of Soil Models with Two Yield Surfaces
     土的双屈服面模型研究
短句来源
     Experimental Study on the Blasting Mechanism of the Frozen Soil Models
     冻土模型爆破机理的试验研究
短句来源
     Time-domain response of vertically loaded pile with soil models applied
     时域垂直载重桩反应与土体模式应用
短句来源
     (2) based on the detail analysis on soil models and machine gun firing dynamics, the Drucker-Prager model is introduced to study machine gun firing dynamics, the soil is modeled like a box by finite element.
     ②在详细分析目前土力学中出现的土壤的各种本构模型及机枪发射动力学研究特点的基础上,指出采用Drucker—Prager屈服准则的弹塑性模型是机枪发射动力学研究中应该采用的主要的土壤本构模型。 并建立了一个沙箱式的土壤有限元模型。
短句来源
     The effects of different parameters to the dynamic response of soil have been compared and analyzed: first, as to soil models, the depth of soil, the elastic half - space foundation model and rigid foundation model have been considered;
     对比分析了不同参数对地基土响应的影响:对地基土模型考虑了地基土厚度、弹性半无限空间模型和刚性地基模型;
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  soil models
Soil models as a basis for modelling the behaviour of geophysical materials
      
The instruments and procedure used to identify parameters of elasto-plastic soil models are cited.
      
Flexible, generic root system models are needed that can easily be coupled to various process-based soil models and can easily be modified to test various hypotheses about how roots respond to their environment.
      
The stability of qanats was evaluated considering both elastic and elasto-plastic soil models.
      
The soil models were not successful in modelling RRoot/RSoil.
      
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The visco-elastoplatic soil model, introduced in this paper, is consistent with the experimental relationships, such as shear modulus vs shear strain, damping ratio vs shear strain, pore pressure ratio vs cycle ratio and stress ratio vs number of liquefaction cycles, etc. The loading-reloading rules control the hysteresis loops beneath skeleton curve. The "apparent applied forces"method is suggested to evaluate the effects of soil viscosity. The generations of pore pressure are evaluated by"fraction...

The visco-elastoplatic soil model, introduced in this paper, is consistent with the experimental relationships, such as shear modulus vs shear strain, damping ratio vs shear strain, pore pressure ratio vs cycle ratio and stress ratio vs number of liquefaction cycles, etc. The loading-reloading rules control the hysteresis loops beneath skeleton curve. The "apparent applied forces"method is suggested to evaluate the effects of soil viscosity. The generations of pore pressure are evaluated by"fraction cycle method", which is simple and effective, especially for waved increases of pore water pressure.The soil model have been applied to a computer program (SRHSL-1978) for the total stress analysis of seismic response of site soil.

场地地震反应问题最初是按等价线性粘弹性模型来考虑土的非线性特点的。近年来,迅速发展起真正非线性的方法。本文提出的土的非线性模型可以同时符合均匀循环荷载下的剪切模量与剪应变、阻尼比与剪应变曲线,并且可以计入粘滞阻尼的影响。为了适应不规则的剪应力循环荷载,提出了加卸载的准则及孔隙水压力生长的分数循环估算法。本文建议的模型已用于总应力法的场地地震反应计算机程序中。

So far,to the authors' knowledge,the application of elastoplastic soil model in the superstructure-foundation-soil interaction has not yet been worked out in China. The purpose of this paper is to study whether the elastoplastic soil model can be used or not in the interaction between silty-sand and box foundation for tall buildings in Shanghai. Now the comparison between the calculated results from incremental method and the measured results in the similar foundation soil gives sufficient...

So far,to the authors' knowledge,the application of elastoplastic soil model in the superstructure-foundation-soil interaction has not yet been worked out in China. The purpose of this paper is to study whether the elastoplastic soil model can be used or not in the interaction between silty-sand and box foundation for tall buildings in Shanghai. Now the comparison between the calculated results from incremental method and the measured results in the similar foundation soil gives sufficient proof that this model can be used under some simplified assumptions.The reaction forces ( contact pressures ) and foundation settlement agree reasonably with those measured in similar foundation soil.It is worth mentioning that the distribution of reaction forces is essentially different from that of elastic half space model.

在国内,尚未见弹塑性地基模型用于研究高层建筑与地基的共同作用的报导。本文最初旨在探索上海粉砂土弹塑性模型能否用在高层建筑与地基的共同作用,经过增量法的计算结果和类似地基的实测结果相比,足以表明,该模型在一些简化假定的条件下,可以分析地基与高层建筑箱形基础的共同作用,求得的地基反力和沉降与类似地基的实测结果比较接近;本模型的地基反力分布规律与弹性半无限地基模型有本质上的区别。

Thegeotechnical ordinary model test (uncentrifug model test)can only provide a guideto the mech anism and parametric numbers associated with the deformation and the collapse of the soilfoundation and earth structures. It is not suitable to predict the prototype behaviour directly from the model test resultsby using scale factors, because of the mechanical properties of soil on the ambient stress conditions and the importance of gravity-induced stresses, scaling can only be satisfi- ed undercentrifugal modeling...

Thegeotechnical ordinary model test (uncentrifug model test)can only provide a guideto the mech anism and parametric numbers associated with the deformation and the collapse of the soilfoundation and earth structures. It is not suitable to predict the prototype behaviour directly from the model test resultsby using scale factors, because of the mechanical properties of soil on the ambient stress conditions and the importance of gravity-induced stresses, scaling can only be satisfi- ed undercentrifugal modeling conditions. Since thereis a serious defect as mentioned before,the model laws applied to geotechnical ordinary model test for sliding and dynamic response of foundation arl derived herein based on the concept of similarity, Buckingham's theorem and soil characteristics. These model laws can avoid problems associated with testing, at earth gravity, small soil models involving material with strongly nonlinear and stress-dependent behaviour. So that they may be used for the prediction of prototype behavior. Therefore the applicability of geotechnical ordinary model test is extend- ed.

土的非线性特性以及重力应力,目前只能在离心模型试验中按模型比模拟,而土 工常规模型试验仅限于研究地基和土工建筑物变形与破坏的机理及其相应的参数。鉴 于这种局限性,本文基于相似原理、伯金汉定律和土的特性,克服了模拟土非线性性 态及重力应力的困难,推导出适用于基础表层滑移和动态反应问题的土工常规模型试 验的模型律,以预测原型的情况,扩大了土工常规模型试验的实用性.

 
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