地基

The coefficients in trial function can be gained by the point collocation method, then the solution of the boundary value problems is obtained. Non - uniform beams and irregular plates on Winkler foundation and plates on elastic half space foundation can be numerical calculated by the introduced method.

为对土与结构物的相互作用进行研究，在采用适当的土体模型的基础上，必需求解地基与基础的共同作用方程，而该共同作用方程一般是偏微分方程或微分积分方程，除一些简单的模型外，其解析解较难获得，因此只能采用数值方法求其结果，加权残仇法是一种L作鼠少、简便易行的数仇方法{2，但其解的精度'。

This kind of method develops on heavy hammer, but the mechanism of dynamic compaction is different from it, it is a new method of ground treatment.

这种方法是在重锤夯实法基础上发展起来的，而其加固机理又与它不一样，是一种地基处理的新方法。

Based on the Winkler's foundation model and deformation compatibility condition of pile and soil, the horizontal displacement control equation of a single pile is established. According to the differential relations between the internal forces and displacements, the two-stage method is adopted to solve the equations.

针对此类问题，基于Winkler地基模型以及桩-土变形协调条件，建立单桩水平位移控制方程，根据内力与位移的微分关系，采用两阶段方法进行求解。

Based on the static balance among the pile and soil, the basic differential equations of the displacements of the pile and soil were deduced. Considering the compatibility condition of stress and strain , based on the vertical deformation of pile and pile-surrounding soil, the analytical formulas calculating the pile friction were drew.

本文通过建立复合地基中桩体和桩周土的基本微分方程，考虑应力协调条件，假设桩周土的位移模式，在此基础上推导出桩侧摩阻力和桩身轴力的解析式，并进一步研究相关影响因素。

For the generalized boundary value problem a complete set of baundary integral equations and the relevant numerical scheme are established.

在此基础上，建立了适用于弹性地基板广义边值问题的边界积分方程组，最后文中给出了若干数值算例。

Based on the theoretical analysis of the test results, considering the cohesion force component of the shear strength, the judgment method of gushing in pit is quantified for the first time and is compared with engineering practice.

在对试验结果进行理论分析的基础上，根据试验的结果考虑基底土层抗剪强度的黏聚力分量，量化地提出软土地基基坑突水的判断方法。

Differential settlement is an important problem in pile group composite foundation.

差异沉降是群桩复合地基的一个不容忽视的问题，通过中国矿业大学城市地下工程相似模拟试验系统，完成了4组模型试验。

According to related soil mechanics theories and calculation methods, a three-dimensional FEM computer program is developed in which bearing capacity and deformation analysis of single and group pile composite foundation can be performed.

根据相关的土力学理论和计算方法，开发了一个可以进行单桩和群桩复合地基受力分析三维有限元程序。

Combining case history with point reliability solution, applied narrow bound method to calculate general failure probability of composite foundation improved by Dry Jet Mixing, appraised system reliability, precede sensitivity analysis with correlation coefficient of main failure modes in system reliability solution.

3结合工程实例，在点可靠度求解的基础上，运用窄界限范围法求解粉喷桩复合地基系统总失效概率，评价其系统可靠性，并对系统可靠度求解中主要失效模式间的相关系数进行了敏感性分析。

Tied arch bridge is a bridge that has the outline of concinnity and is fit for building in the city or on the soft clay ground, which possesses the important status in the domestic and foreign history of bridge building. Its construction method and design theory are already comparatively mature and perfect.

系杆拱桥作为一种具有优美外形同时又适合在城市或软土地基上修建的桥型，在国内外桥梁建筑史上都占有十分重要的地位，其施工方法和设计理论都已经比较成熟和完善。

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％。