地基

In this paper, from the basic equations of the anisotropic rectangular plate with four free edges on elastic foundation, the exact solution for it is discussed indetail.

本文从弹性地基上四边自由的各向异性板的基本方程出发，详细地论述了如何求得其精确解的过程。

Considering the elasticity of the foundation, the author uses the same integral transform method and analyses the presence of the pore water and the effect of the rigidity of the foundation on the dynamic response of the foundation.

对于饱和地基上弹性基础的扭转振动情况，本文采用同样的方法分析了半空间孔隙水的存在和基础刚度对动力响应的影响。

He was transported, alongside thousands of others, to Irkutsk made to walk to Camp 303, 650 km south of the Arctic Circle, to build the camp from the ground up.

他和成千上万的其他囚犯一起被运到了伊尔库茨克然后8t t t8.com 被迫步行来到北极圈南面 650公里处的303营地，在这里将整个营地从地基开始修建。

With the matrices recurrence method the analytical formulas to study the displacement and stresses of transversely isotropic layers, subjected to surface loading are derived.

然后，利用矩阵递推方法，求出多层横观各向同性地基在表面荷载作用下位移和应力的一般表达式。

At first, the governing differential equations are solved by Fourier transform, then, under consideration of the mixed boundary value condition, a pair of dual integral equations about the vertical vibration are listed which are converted to linear algebra equations by the Jacobi orthogonal polynomial and solved by numerical procedures. Consequently, the dynamic compliance coefficient Cv versus the dimensionless frequency is derived, and the program is compiled.

首先，采用Fourier积分变换解析求解了Biot方程，得到了该动力控制方程在Fourier变换域上的一组通解，然后由混合边值条件建立了地基上基础竖向振动的对偶积分方程，并应用Jacobi正交多项式将其转化为一组线性代数方程组，通过求解得到了不同无量纲频率下基础振动的动力柔度系数Cv，编制了相应的计算程序。

3D finite element model of concrete pavement in transverse joint with dowel bar s or without dowel bar s is established by 3D finite element numerical analysis method.

建立接缝无传力杆及设传力杆时水泥混凝土面层结构的三维有限元模型，运用数值分析方法，分析接缝处水泥混凝土面层的荷载应力、弯沉值和弯沉差，研究了地基模量、传力杆直径对荷载应力及弯沉差的影响规律，并对条件相同的计算结果进行了对比分析。

The existence of overlying shallow karst is very harmful to the stability and safety of ground and building.

覆盖型浅埋岩溶的存在，给地基的稳定及建筑物的安全造成很大的威胁。

That's why special significance was attached to its size and exterior. Turkestan kazan has no second to it.

测量其地基465米宽，655米长，外墙的厚度为1.8到2米，中心寝室的墙厚达3米。

Our country firstly put forward such design principle of Qinghai-Tibet railway engineering as "lower temperature actively, reduce the heat into the subsoil, and assure the heat stability of frozen earth for the quality stability of construction", creatively adopt such corresponding measures of frozen earth construction problem as: for the poor frozen earth developing section, line should avoid as possible;for the geology of ice at high temperature and unstable frozen earth zone, the method of bridge instead of subgrade shall be adopted;in subgradeconstruction, such facilities as heat stick, rubble ventilation subgrade , rubble ventilation berm, ventilation pipe subgrade and laying heat preservation board etc shall be adopted to raise the stability of frozen earth subgrade;during the excavation of bridge, culvert , foundation pit and scouring prevention trough, creatively adopt single-tooth knapper and solve the problem of frozen earth excavation;during the construction of bridge and culvert, durable concrete and three-step maintenance method are adopted to assure the outside and inside beauty of structure.

我国在世界上首次提出"主动降温、减少传入地基土的热量、保证多年冻土的热稳定性，从而保证修筑在上面的工程质量的稳定性"的青藏铁路工程设计原则，创造性地采取了解决冻土施工难题的相应对策：对于不良冻土现象发育地段、线路尽量绕避；对于高温极不稳定冻土区的高含冰量地质，采取"以桥代路"的办法；在路基施工中采用了热棒、片石通风路基、片石通风护道、通风管路基、铺设保温板等多项设施，提高冻土路基的稳定性；在桥涵基坑、挡水埝基槽开挖中，创造性地应用了单齿破碎器，解决了冻土开挖难题；在桥涵工程施工中，采用了耐久性混凝土，采用了三步养生法，保证了结构物内实外美。

For I suppose if Lacedaemon were to become desolate, and the temples and the foundations of the public buildings were left, that as time went on there would be a strong disposition with posterity to refuse to accept her fame as a true exponent of her power.

我猜想，如果Lacedaemon曾经荒无人烟，残留庙宇和公共建筑的地基，对于这个强权的解释，后裔的会很倾向于把她的传说当作无稽之谈。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷