土体

Kinds of relationships between suction and suctional strength were shown in many research papers, but the difference of suctional strength in desorption and absorption of moisture is not considered in those papers.

尽管已有研究成果给出了吸力与吸附强度的关系，但均没考虑土体在吸湿和脱湿路径下强度的差异。

This paper synoptically expatiated the development and research actuality of soil dynamics ,summarizing the actuality and development on dynamic constitutive model and dynamic analysis of soil mass,emphasizing on dynamic elastic-plastic model and dynamic elastic-plastic analysis under complicated load.

阐述了土动力学的发展现状及研究进展，综述了目前土体动力本构模型、动力分析现状和进展，以及复杂荷载下的动力弹塑性模型和弹塑性动力分析，其前景广阔。

These laws are significant not only to the assessment of ground vibration effect caused by heavy tamping,but also to the study of dynamic properties of soil mass.

这些规律对于强夯振动效应的评价和岩土体动力学特性的研究具有重要意义。

Seven factors impacting debris flow susceptibility are analyzed: slope angle, rock and soil type, rainstorm distribution, trainage density, land use, seismic acceleration and human activities.

用于泥石流敏感性分析评价的主要敏感因子包括地形坡度、岩土体类型、暴雨、河网密度、土地利用、地震动峰值加速度和人类活动。

The author deems that it is a PraCtical way to tr6at these uncontinuous PrOblems ascontact problem in solid mecbocs tmiformly.

不连续面的存在显然对结构及岩土体的受力变形有着不可忽略的影响，因此在计算中不应无视它的存在。

The construction of Qinghai-Tibet railway has greatly changed thermal and mechanical conditions in its underlain frozen soil and accelerated the degeneration of frozen soil.Then,lots of warm frozen soil,which mechanical stability is unstable,will be formed in the foundation.

青藏铁路的修建，彻底改变了路基下伏土体的热力学状态，加速了多年冻土的退化，导致铁路地基土中产生大片的、力学性质极不稳定的高温冻土层，从而影响铁路路基的结构稳定性。

The analytical solution to the progressive destructive normalized undrained strength of anisotropic natural soils is derived.

自然界尤其是天然沉积的土体是由许多颗粒在相对静水中沉积而成，由此导致一个K0固结过程。

In this model, the skeletal storage coefficient was used for coupling, different storage coefficient were used for the calculation of storage change of aquifer and interbeds, the elastic and inelastic skeletal coefficients were used to account for the elastic and inelastic deformation, a one-dimensional diffusion equation was used for describing the delayed dissipation of unequilibrated heads within the interbeds, these make the model not only be able to simulate the elastic and inelastic deformation of soil, but also the delay phenomenon.

在该模型中，用夹层的骨架弹性储水系数进行地下水流模型和土体变形模型的耦合，用不同的弹性储水系数来计算夹层和含水层内的储水量变化，用夹层的骨架弹性储水系数和非弹性储水系数来体现夹层的弹性和非弹性变形，用扩散方程来描述滞后夹层内的水头分布，从而使模型能够很好地体现夹层的弹性和非弹性压缩，并能同时考虑夹层变形的滞后现象。

After analysizing the results of SSRFEM and centrifugal model test, someconclusions are drawn that, the depth of slip surface implies that the Bishopssimplied method cannot indicate the true failure mechanism for the slopes reinforcedwith piles. The rate of safety factors decreases with the pile spacing decreasing, andthe salty factor of the slopes is the largest when the reinforced piles are installed in themiddle of the slopes, regardless of pile head confining conditions, and the deflection,maximum bending moment and shear force in the reinforced piles in the criticalcollapse are the biggest meantime. The fixed and hinged head condition of the pilesresults in smaller bending moment in the piles than that in unrotated and free headcondition, therefore the restrained pile head condition is recommended in the design.

3不同特性与工况下抗滑桩与土体相互作用的数值分析与离心模型试验研究表明：采用简化Bishop法计算得到的滑动面不能反映抗滑桩加固边坡的破坏机理，抗滑桩设置在边坡中部和减小桩间距有利于提高边坡稳定安全系数，而此时抗滑桩在边坡临界破坏时的挠度、最大弯矩和最大剪力相对较大；桩头固定、铰接与桩头自由、平移相比，所加固边坡的整体水平位移及边坡临界破坏时抗滑桩的最大弯矩相对较小，而稳定安全系数则较大，因此在进行抗滑桩设计时应尽量选择桩头固定与铰接的型式，或对桩头进行锚固以改善抗滑桩的受力特性，提高边坡的稳定安全性状。

The author attaches great importance to the relative displacement and the cross deformable features between the structure of subways and the surrounding soils in the condition of equal load and differential equal load, soaked and unsoaked, different capacity of containing water.

着重探讨了均布荷载与差异荷载下、土层浸湿与非浸湿情况下，以及不同含水量条件下，地铁结构与周围土层之间相互滑移与交叉变形特征，地铁结构上方土体沉降特征和地铁结构自身的变形特征。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐