地基

This paper analyzes the influence of frozen soil,foundation freezing and thawing on pipeline,describes the importance of pipeline survey in frozen soil district and introduces the steps and methods of pipeline survey in frozen soil district.

分析了冻土及地基土冻胀和融沉对管道的影响，阐述了在冻土地区管道勘察的重要性，介绍了冻土地区管道勘察的步骤和方法。

Considering the role of foundation slab, the stress and settlement of composite foundation improved by cement soil pile were analyzed by use of 3D finite element method.

在考虑基础板的基础上，通过三维数值方法对水泥土桩加固复合地基的附加应力和沉降进行了分析。

Because of the difference of compositions of fill and soft soil,the reaction between cement and fill and the reaction between cement and soft soil are very different.

介绍了一新近的松散杂填土地基应用水泥深层搅拌法进行处理的工程实例。

Experimental study of its macroscopical mechanics behavior and analysis of asymptotic homogenization of cement- soil and Cement Mixing Pile are the main work of this dissertation.

本文的主要工作是对水泥土的力学性能进行试验研究，并用均匀化方法分析水泥土的相关力学性能，同时用把相关的结论运用到水泥土复合地基的计算中，总结了水泥土试验及其运用均匀化方法的有关规律。

The second airfield pavement of the Pudong International Airport is the first "4F"Grade airfield pavement on the soft-ground in China. The quality of the airfield pavement concrete is demanded to be the first class of China.

2005年2月，我国第一条在软土地基上建造的4F级跑道通过了民航行业的验收，随着东方航空公司A340-300大型客机在浦东国际机场新建跑道上试飞成功，标志着已经具备了正式启用的条件。

Second, according to the characteristic of soft-ground ,when we disposed of the obser-vation data of every period from the earth subsidence network, we chose three adjustment ma-thematics models including adjustment by classics; adjustment by free network and adjustment by selecting proposal stable points to deal with the solution .

其次根据软土地基的特点，为达到观测成果能合理处理目的，在沉降变形监测网数据处理时，利用了三种平差数学模型即经典平差、自由网平差和拟稳平差分别进行观测基准网的解算，并把求算结果进行比较对照，从而选出最合理的能符合本场地实际条件的一组解算成果作为我们后面的变形成果精度分析的依据。

The soil mixed with steel slag and sand can effectively enhance the ground bearing capacity and reduce the foundation settlement.

采用废钢渣对松软砂土搅拌压实后，可有效地提高地基的承载能力、降低基础的沉降量。

The trains speed varieties have more influences on the ground vibration adjoining central line of the slab track.

尤其当列车速度接近地基的Rayleigh波波速时，由于引发共振而使地面振动位移出现峰值。

So the vertical vibration of rigid foundation embedded in a single-layered poroelastic soil based on rigid bedrock is then studied by using the same approximate method.The vertical dynamic impedance and dynamic response factor for different values of soil layer thickness are discussed.

因此文中采用Novak简化计算模型接着研究了下卧基岩单层饱和地基中埋置刚性基础的竖向振动，分析了不同土层厚度下基础的竖向动力刚度、动力放大系数曲线。

Through analysis on the results of shaking table model tests, characteristics of SSI and effects of SSI on foundation motion are studied.

通过对振动台模型试验结果的分析，研究了结构—地基动力相互作用特性，探讨了相互作用对基底地震动影响的规律。

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％。