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undrained相关的网络例句

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与 undrained 相关的网络例句 [注:此内容来源于网络,仅供参考]

According to rate process theory, slip theory of plasticity and principle of virtual work, the micromechanical model of soil creep are set up, the numerical solution of the model is given, the differences and similarilities between frequency distribution function of microplane and clay platelet are discussed and schematic computation flow of the model for fitting the test data of homogeneously stressed anisotropically consoildated clay specimens in an undrained creep test at constant volume are given.

以速率过程理论作为土质学与土力学间的桥梁,根据塑性滑动理论和虚功原理,从微观结构的角度,建立了反映粘性土宏观应力应变关系的微观力学模型,给出了微观力学模型数值解的近似表达式,讨论了微滑面与粘粒和团粒定向频率分布的异同,设计了一个拟合各向异性土不排水蠕变的计算流程。

The author suppose, the anisotropically undrained shear strength is applied for the first time in the analysis of resistant heave stability for deep braced excavations in the world, the safety factors of two kinds of stability failure are gained, the first kind of factor is stability against sliding, the second is losing the ultimate bearing capacity.

在国内外首次将各向异性不排水剪强度应用到深基坑抗隆起稳定分析中,推导抗滑稳定破坏(包括浅桩支护及刚性支护)和丧失极限承载力破坏两种情况下的稳定安全系数公式,对典型上海软土的模型参数进行计算分析,并对各参数对安全系数的影响进行讨论,最后以三个工程实例加以验证。

It is indicated that loosely compacted soil is of strain-softening behaviour under undrained conditions, accompanied with a rapid increase in excess pore water pressure. In anisotropically consolidated constant shear stress tests, a very small axial strain was required to induce the failure and the excess pore water pressure increased quickly at failure.

研究表明:松散填土在不排水条件下具有应变软化的特性,软化过程中伴随着孔隙水压力的迅速上升,有较高的液化势;在常剪应力排水剪条件下,具有破坏前轴向应变小、破坏时间短,破坏过程中孔隙水压力迅速上升。

In the fourth, the formulation for anisotropically undrained strength is used in the theory of slip lines for evaluating the bearing capacity of strip footings placed on the anisotropically consolidated clays The bearing capacity factors and correction factors for strength anisotropy can be given for various shear tests.

针对不同试验条件下各向异性地基承载力系数与各向同性地基承载力系数的差异,考虑不排水剪强度的修正问题,导出不排水剪强度各向异性修正系数。

The results of numerical analysis show that the elastic modular and the poisson ratio have no effect on two-dimensional bearing capacity, but can affect the ultimate bearing capacity of three-dimensional foundations and control the convergence and precision of finite element calculation; the earth pressure coefficient controls the geostatic stress of foundation, sequentially affects the ultimate bearing capacity of foundations and the convergence of numerical calculation. When calculating the ultimate bearing capacity of undrained saturated foundation, the complete formulation exists shear locking, and reduce formulation exists hourglassing, so the hybrid formulation is suitable to imitate the geomaterial. When the soil obeys nonrelevent flow rule, the yielding function is different from potential function, and the elastic-plastic matrix of soil is asymmetric, so the unsymmetry numerical solver and appropriate finite element mesh is required.

研究结果表明,土体弹性模量和泊松比对二维基础极限承载力没有影响,但是影响着三维矩形基础的极限承载力,控制着ABAQUS数值算法的计算精度与收敛速度;地基土压力系数控制着地基土体中的地应力平衡,从而影响着二维条形基础和三维矩形基础的极限承载力和地基破坏包络面;对于不排水饱和软黏土地基,常规的完全积分单元会造成剪力自锁现象,而减缩积分单元则存在过于柔化的现象,故采用杂交单元来模拟较合适;当土体服从非关联流动法则时,屈服函数与塑性势函数之间存在差异,从而导致土体弹塑性矩阵呈现非对称性,在有限元计算中必须采用非对称数值解法,并且合理地划分单元才能对极限承载力进行准确求解。

This paper presents the interpretation for estimation of undrained shearstrength in cohesive soils, over-consolidation ratio in cohesive soils, sensitivity incohesive soils and relative density in granular soils using the adopted approaches.The correlations between the estimation results based on CPT data and laboratorytesting results were discussed, and the empirical factors for the study sites areproposed.

针对按CPT数据估算粘性土不排水抗剪强度、超固结比、灵敏度和砂土相对密度的现有方法,分析了估算结果和实验室试验结果之间的差异,提出了适合我国海洋土质特性的经验系数。

The influences of ground water on tunnel seismic response are analyzed in detail based on undrained effective stress method.

根据不排水有效应力分析法,分析了地下水对隧道地震响应的影响。

This feature is useful for simulation of heating/cooling effects and drained/undrained response.

因此这项功能可以用来模拟加热/冷却效果和排水/排水反应。

One of the reasons for this is that the bearing capacity of the footing increases due to the increase of undrained shear strength with depth and the presence of a hard stratum within a finite depth.

引起这一不同的原因之一,是立足的承载力增加剪切强度的增加和深度、开挖的坚硬地层在有限的深度。

Numerical results show that the total tension resistance under undrained condition may be three times of the value under drained condition.

结果表明,不排水加载条件的总抗拉力可能达到排水总抗拉力的3倍。

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