剪下

It is analyzed that the impacts of root weight on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of bare soil and switch sorrel shrubbery under natural moisture contents and through the investigation of root system distributing along vertical profile.

通过对裸地、车桑子灌木林地不同深度土壤在天然含水量情况下的直剪试验，及对车桑子根系沿垂直方向的分布情况的调查，研究了含根量对非饱和土抗剪强度的影响。

It is analyzed that the impacts of root weight on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of bare soil and switch sorrel shrubbery under natural moisture contents and through the investigation of root system distributing along vertical profile.

中文摘要：通过对裸地、车桑子灌木林地不同深度土壤在天然含水量情况下的直剪试验，及对车桑子根系沿垂直方向的分布情况的调查，研究了含根量对非饱和土抗剪强度的影响。

It is analyzed that the impacts of vegetation type on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of bare soil, tanglehead grassplot, switch sorrel shrubbery and eucalyptus holt under natural moisture contents.

中文摘要：通过对裸地、扭黄茅草地、车桑子灌木林地和桉树林地四种不同植被类型、不同深度土壤在天然含水量情况下的直剪试验，研究了植被类型对非饱和土抗剪强度的影响。

The analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet.

在弹性理论的基础上，利用钢板锚固剪应力计算公式，对在集中荷载或均布荷载作用下采用粘钢加固的混凝土梁，分析钢板锚固最大剪应力的有关影响因数。

In Wuhan, Baosteel produced high-quality cold-rolled non-oriented silicon steel as raw materials for processing, the company has a more advanced domestic high-speed slitting machine, the production required to meet their own circumstances to undertake further external steel slitting processing business.

以武钢、宝钢产的优质冷轧无取向硅钢片为原料进行加工，公司拥有一套国内较先进的高速纵剪机，在满足自己生产需要的情况下还对外承接钢材纵剪加工业务。

In studies of interaction among pile, platform that above it and surrounding soil, this paper employ the concept of plate element to simulate the loading character of platform, and employ the concept of solid element to simulate the character of pile and soil, using the finite element method after understanding the geometry properties of pile, soil and the platform. Analyzing the loading properties of the three entities above and their deformation, this paper also employ a special element, Penalty Element. The introduction of penalty element of this kind has served to guarantee the join harmony of displacement between solid element and plate element, thereby effectively resolving the join problem between platforms, pile that support it and surrounding soil.Considering significant property difference between pile material and its surrounding soil, there may be much shear stress on their contact interface produced under vertical load, thus causing displacement or fission. Therefore it is necessary to adopt one special constitutive law of this kind of contact interface, which can reflect its feature of loading and deformation thoroughly. On the basis of the deformation feature and constitutive laws of some contact interface obtained by Zhang Dongji and people concerned through some single-shear experiments on contact interface between structure and soil, this paper employ one pile-soil three-dimensional constant thickness contact interface model to simulate the " slide" taken place on the interface between pile and its surrounding soil. With this kind model, this paper has also created one finite element model, which can be applied to perform finite element calculation and analyze the pile-loading feature, and deduced its element stiffness matrix.

在承台-桩-土共同作用中，考虑桩与承台的几何特性，采用有限元方法，用实体单元模拟桩土，用板单元模拟承台，更具体地分析桩和承台的受力特性和变形，而且还采用罚单元—既实体单元与板单元之间连接必须满足变形协调条件，来有效地解决了承台与桩土的连接问题，且在桩土共同作用中，由于桩体结构的材料性能与周围土层性质相差较大，在竖向荷载下有可能在其接触面上产生较大的剪应力从而导致错动或开裂，因此，为了充分反映桩土接触面上的受力及变形特征，应采用一种桩土接触面特有的本构关系，即利用张冬霁等人关于结构与土体接触面单剪试验所得到的接触面变形特征及其本构关系，引入桩-土三维等厚度接触单元来模拟桩与桩侧土之间的&滑移&，在此基础上建立可用于桩基承载性状分析的有限元计算单元模型，并推导出了各单元的刚度矩阵。

The shear mechanisms of steel-high strength concrete short column under different failure patterns were analyzed,and related formulae for calculating shear capacity and limit value of axial compression were put forward.

分析了型钢高强混凝土短柱在不同破坏形态下的抗剪机理，提出了相应的抗剪承载力计算公式和轴压比限值。

The results show that when the shearing force is small, this model in the paper can be used well to study the relationship between the force acting on the brim of the pillar and the displacement of the top pillar.

算例结果验证了对于剪切变形较小的情况，考虑剪切的杆模型在反映杆端力和位移关系方面是正确的，描述反复加载条件下的杆本构关系是可行的。

The purpose of this study is discussing the shear stress and strain rate relation under different silt allocated proportion and different water content, and the viscosity coefficient and yield shear stress are estimated.

本研究旨在探讨模型材料在不同的泥砂配比及不同的含水量下剪应力和应变率的关系，并推估其黏滞系数和降伏剪应力。

The critical shear angle of quasi-static state was given under different loading speeds and frame lengths condition, and the influence of specimen size on this shear angle range is also discussed.

在此基础上，提出了在特定的剪切范围内，可以将画框的运动看作是准静态过程进行处理的思想；得出了在不同拉伸速度和边框长度条件下装置处于准静态时的临界剪切角，并且分析了织物试样尺寸大小对准静态范围的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。