地基

This technique exists as a new method for the ground reinforcing of water-bearing soft soil in China, especially in the underground projects in cities.

该技术为我国含水软土地基加固，特别是城市地下工程建设中的软土地基加固提供了新的安全可行的方法。

For studying the offshore platform with positivepressure spouted and strengthened pile foundation, the first important step is tocalculate the bearing capacity of foundation. This kind of platform is such a new typeone that there is no existing criterion to follow. Furthermore, the situation of thegroundwork is complicated due to the application of strengthening technique, so theconventional computation method of bearing capacity does not take its properties intoaccount.

正压冲固平台是新型平台，没有现成的规范可循，而且由于平台采用了加固技术，使地基情况变得复杂，用传统的承载力计算方法难以真实地反映这种平台地基的特点和性质，所以为计算平台承载能力选择正确有效的方法成为研究的关键问题之一。

The application of soil cement is largely extended.

水泥土的应用在我国南方及沿海地区得到广泛的推广，采用水泥土及相关的地基处理方法加固的土质多为淤泥、淤泥质土、地基承载力不大于 120kPa 的粘性土和粉性土。

Based on ANSYS, this paper considers the sluice valve and the base as a whole to take the Nonlinear Finite Element Study of the static and dynamic, at the same time discusses the interaction among sluice valve, pile and construction. Then some conclusions are drawn by comparing and analyzing the dynamic stress conditions of the gate chamber using response-spectrum method and time history method.

本文基于大型通用有限元软件ANSYS，将该水闸闸室结构与地基作为一个整体进行非线性静动力有限元计算，有效的考虑了地基-结构的相互作用，并将振型分解反应谱分析法和时程分析法的计算结果进行对比并得出相应的结论。

Generation and development processes of upper stab wound amount are reasonably analyzed utilizing slip line field theory .

应用滑移线场理论解释了CFG桩复合地基桩顶刺入变形的发生发展变化过程，并推导了产生桩顶刺入变形的力学条件，为更准确地计算CFG桩复合地基中桩土应力比提供了一条新的思

According to fully expounding the geologic condition of the location of the bridge and the structure of pile foundation and the research level of the bearing capacity of group pile foundation in the present, the paper analyzes the mechanism of group effect and the impact on bearing capacity of pile foundation. The finite-element numerical analyses and self-balanced method are adopted in the present paper to calculate and analyze the vertical bearing capacity of pile group of north main-tower is cleared up and analyzed.

在全面阐述桥位区工程地质条件和桩基础组成结构以及群桩基础承载力研究现状的基础上，深入探讨了群桩效应及其对桩基础承载力影响的机理，分别采用自平衡试桩测试技术和三维土工有限元模拟方法研究了单桩竖向承载力问题，通过对试验和计算结果的整理、对比分析，确定了能够客观反映地基土工程特性的地基土计算参数。

As an effective ground treatment method, sand pile has been gradually used on ground treatment of oceanic shore protection works in China in recent 10 years.

砂桩法作为加固地基的一种有效方法，近10年来逐步在国内加固海洋接岸地基基础工程中得到应用。

Although the laboratory tests cannot precisely describe the characteristics of sand column composite foundation, they reveal the mechanism of sand column composite foundation qualitatively.

本室内静载荷试验模型虽然不能完全模拟现场砂桩复合地基的工作性状，但从定性上分析砂桩复合地基的工作性状是可行的。

In chapter 3, the characteristics of relative motion of small satellite based on ground station are firstly analyzed, in which using spherical trigometry, the analytic formulas evaluating the longitude ranges of ascending node which can cover the target are deduced with J2 precession. With the solution, the longitude ranges of ascending node limited by the cross-time can be gained. Secondly, a serious of characteristics of small satellite to space station is studied.

在第3章，首先分析了卫星相对地基的运动特性，在地基的运动特性研究中，重点研究了以升交点地理经度来描述所有能覆盖到目标点的轨道，利用球面三角形方法推导了在考虑地球形状J2项摄动影响时，各种情况下能覆盖目标点的轨道升交点经度范围，得到了完整的解析表达式。

Many kinds of theories and methods that have been used to compute the dynamic parameters of breakwaters are summarized and studied here, a suitable computing method is determined for this paper. 3. A small scale model test is designed for this study.

对计算防波堤的有关动力参数（如附加土质量、附加水质量、地基刚度和地基阻尼等）的各种方法进行了总结和研究，确定其合理的计算方法； 3。

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％。