查询词典 subgrade

This article describes that the contrast tests on the subgrade filled with natural sand-gravel was conducted with portable falling weight deflectometer and Benkelman beam,respectively,the correlation analysis on the modulus from the above tests was conducted and the empirical formula was obtained.

对填料为天然砂砾的路基用便携式落锤弯沉仪与贝克曼梁进行了对比试验，将便携式落锤弯沉仪所得模量与贝克曼梁弯沉进行相关分析，并得到经验公式。

It points out that it must use unsaturated soil theory to consider the stabilization of construction established on loess and dilative soil subgrade. It uses single-phase flow theory and neglects the effect of porous air to describe the flow in unsaturated soil. The saturation of water and pore water pressure are taken as state variables, the effective stress and water flow velocity are expressed using these variables.

对于非饱和渗流孔隙水压力-位移耦合分析问题，本文采用单相流理论，忽略孔隙气压力的变化及其对土体变形的影响，以孔隙水饱和度和孔隙水压力作为状态变量，给出了非饱和土的应力状态表达式、渗流特性，建立了非饱和流孔隙水压力-位移耦合分析的有限元程式。

In the article,according to the production of others and combining theory analysis with engineering practice,the primary results are enumerated as follows:(1) By analyzing and summarizing many methods of settlement calculation erenow,an improved D-P elasto-plastic model about high subgrade will be brought forward and used to calculate settlement with finite element method.

在前人研究的基础上，本文把理论分析与工程实际紧密结合，广泛利用了目前国内外大量的研究结果。

It canprovide dynamic responses of the system with changes of wheel load,vehicle velocity, frequency and irregularities of the track, and distribution of dynamic responses in the subgrade can be given, also beused to select parameters, optimize designs and forecast dynamicproperties of the system, etc.(2) Based on Timoshenko beam and geostatic theory, couplingrestricted equations of various finite elements are founded. The restrictedequations have been dealt with by Lagrangian enlarging multipliers.

该模型充分地考虑了系统的空间、时变、耦合特性及路-桥-隧过渡段的设计断面和设计参数，可提供无碴轨道路-桥-隧过渡段系统的动态响应时程及动态响应场分布等，具有合理选择无碴轨道过渡段设计参数、优化设计及预测动力性能等功能，从而为高速铁路无碴轨道过渡段系统的设计提供了理论分析依据。

The analysis result shows that the rutting depth is smaller when the thickness of paved temporary road is thinner. Therefore, the geosynthetic only owned the isolative function, the rutting depth will be larger than 100mm if the subgrade without the geosynthetic material. To use the geosynthetic material is very important for the base and subbase of road.

研究结果显示；临时性道路在路基较薄时因车辙较小，地工合成材料仅具有隔离之功能，但在路基较厚时若无加劲材料则车辙可能大於100mm，因此使用地工合成材料显得相当重要。

Many kinds of diseases such as subgrade depression, water scouring, slide, mudding, asphalt pavement raveling, stripping, map cracking and cement concrete pavement pumping, faulting, fracture are to do with the erosion of surface and underground water to some extent.

大多数路基沉陷、冲刷、坍塌、翻浆，沥青路面松散、剥落、龟裂，水泥混凝土路面唧泥、错台、断裂等病害，都不同程度地与地表水和地下水的侵蚀有关。

In order to study the main influence factors of the CBR value and CBR characteristics of phyllitic slate,the CBR tests of the subgrade with materials of weathered soft-rock from the Wu-Guang Railroad Passenger Dedicated Line were done.

从颗粒组成、矿物成分以及泡水时间、最大颗粒粒径和击实次数几方面研究了其对填料CBR值的影响，并对影响因素采用无重复双因素方差分析方法进行了显著性分析。

It is suitable to calculate the quantities of subgrade protection and drainage project, especially in the draft design and predesign phase of the highway or railway.

该方法尤其适用于公路或铁路的方案研究阶段及初步设计阶段的路基防护及排水工程数量的统计。

To control the base design of power machine using numeric,taking the blower as an example,the key problem affected by power machine load,base and subgrade-the off-center value between centroid of control load and poid of foundation subface was analyzed.The relationship of calculating maximum amplitude of machine foundation and permitting amplitude was discussed.

以风机为例，对动力机器荷载、基础和地基共同作用的关键问题—控制荷载重心与基础底面形心的偏心值进行分析，并对机器基础最大振幅的求解与允许振幅的关系进行了论述，以便对动力机器基础的设计能从数值上加以控制。

At the same tirne, the paper cut open autonlatically the finite e1ement network of the embankment and subgrade so that th ernbankrnent settlenlent calculatlon of high-type highway will be practical by using superunit transformation method.

同时采用超单元交换法自动创分路堤与路基的有限元网格，使高级公路的路堤沉降计算实用化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。