地基

Cemented soil pile is one type of composite foundation and it has been widely adopted in civil engineering projects in China.

水泥土桩复合地基是复合地基的一种，在土木工程中有着广泛的应用。

In engineering geology classification the yard one of the natural ground belongs to weak stratum which can not resist the weight of raw material piles, In order to ensure stability and safety of raw material yard , extruding-soil sand pile is used to consolidate the groud, and the weight of raw materials piled step by step increases ground strength and improves stability of settlement.

为保证原料场的稳定与安全，在地基的处理上，采用了挤密砂桩和利用生产原料的自重进行分级堆高预压两项加固措施，增大了地基强度，达到了设计要求。

It is concluded that the method of lime-soil compaction pile to treat collapsible loess can improve the engineering properties of soils, eliminate collapsibility and enhance the bearing capacity of foundation, which can be changed with the space between piles.

试验结果表明，利用灰土挤密桩对湿陷性黄土地基进行处理，能有效地改善桩间土的物理力学特性，并随布桩间距的不同而得到不同的挤密效果，消除黄土的湿陷性，较大幅度地提高地基承载力。

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

利用 Hankel 变换导出了弹性地基上薄板弯曲问题的基本解，此基本解对三种常用地基模型具有统一的表达形式，针对近年提出的广义边值问题，建立了统一的边界积分方程和边界元求解格式。

In the meantime, the pile group composite foundation is studied further in different pile positions.

同时对群桩复合地基不同桩位特点进行分析，表明群桩复合地基中桩附加沉降大于边、角桩。

The bearing capability and failure mechanism of the group pile composite foundation are not very clear and the difference between single pile composite-foundation and group pile composite foundation is still an uncertain problem at the present time.

高层建筑筏基下的刚性群桩复合地基的承载性能与破坏机理及其与单桩复合地基有何差别仍是目前值得研究的问题。

Established reliability solution calculation model of composite foundation improved by Dry Jet Mixing, looked for main failure mode of system, and analyzied correlation among every failure mode, calculated correlation coefficient among every failure mode, applied narrow bound method to calculate general failure probability of composite foundation improved by Dry Jet Mixing.

2建立粉喷桩复合地基系统可靠度求解的计算模型，找出系统的主要失效模式，并分析各个失效模式之间的相关性，求解各个失效模式之间的相关系数，并运用窄界限范围法求解粉喷桩复合地基系统的总失效概率。

Based on the integrated engineering geology exploration, the foundation stability analyze the compressibility and strength of foundation soil.

地基稳定性是在综合工程地质勘察的基础上，对地基土的压缩性和强度进行了分析。

By decomposing the problem system into an extended saturated soil system and a virtual pile system, through the strain compatibility condition between the extended saturated soil system and the virtual system at an arbitrary depth z along the pile, and combined the Laplace transform and its convolution, a Fredholm intergral equation of the second kind of the single pile in saturated layered transversely isotropic soils is established. The axial force and diaplacement of the pile are obtained by solving the Fredholm intergral equation.

将求解体系看作是饱和土体和虚拟桩的叠加，利用沿桩身任意一点z处饱和地基与虚拟桩的应变协调，并结合Laplace变换及其卷积性质，建立了饱和成层横观各向同性地基中竖向受荷单桩问题的第二类Fredhlom积分方程，对该积分方程进行求解可得桩的真实轴力、位移。

The theoretical solution of eigenfrequencies and vibration models of rectangular thin plate on foundation with completely free boundary was derived by the double finite cosine integral transform method. In the analytical process, the elastic foundation was regarded as Winkler foundation model.

将弹性地基以Winkler模型模拟，利用双重有限余弦积分变换的方法推导出了弹性地基上四边自由矩形薄板的固有频率和振型的解析解表达式。

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％。