地基梁

With the way to solve the distortion effect problem by the flexible foundation method, the distortion stress was calculated after solving the cross-section distortion angle.

分析畸变效应时采用了弹性地基梁法的求解思路，在求出截面畸变角后，计算畸变应力。

The theory and the implementation of the genetic algorithms are discussed in detail. The question on how to choose the crossover probability, the mutation probability, the scale of population and the numbers of the generation is discussed. Then, the mathematics model of the optimal design is established. Exerting the finite element of elastic base beam and using FORTRAN to write the GAFORTRAN program. The program includes the common genetic algorithms and the modified genetic algorithms.

详细介绍了遗传算法的理论和实现技术，探讨了交叉概率、变异概率、群体规模、进化代数等变量的选取问题，建立起了基于遗传算法的深基坑支护结构设计的优化模型，结合弹性地基梁有限元法，利用FORTRAN语言编制了GAFORTRAN优化程序，程序中包括普通遗传算法和改进遗传算法。

According to the principle of ring-like strands operation, the mechanical analytic solution of presressed concrete penstock under the uni-ring-like radial loads is given out based on the theories of elastic footing beam.

根据环形预应力作用机理，结合弹性地基梁理论，提出了单环预应力作用效应的计算方法和预应力混凝土压力管道施工阶段的验算方法。

Analysis and Design for Grillage Foundation with Rigid Area;2. The considerable difference between the model with rigid area and models without rigid area can be found through the conclusion.

根据作者提出的带有刚域的弹性地基梁模型，编写调试了相应的计算机程序，分析了一些算例并与其它方法进行了比较。

The response problem of a harmonically driven beam with respect to the influence of Winkler foundation in temperature field is considered.

研究在温度场中受简谐激励作用的 Winkler地基梁的响应问题。

The scattering wave velocity potential to the flexible circle pile was the solution of the Laplace equation, which satisfied the cylindrical surface non-homogeneous boundary condition.

采用动力Winkler弹性地基梁模型模拟桩土动力的相互作用，通过求解满足柱面非齐次边界条件的Laplace方程，直接构造波浪对柔性桩的散射速度势，考虑了流体和桩体的相互作用，由解析法给出了埋置圆桩在波浪荷载下的动力响应。

The paper by way of normal recommended method, derives step by step so called all spring elastic ground beam which spring is related to direction of wall deviation.

本文将由通常惯用的方法，逐步引出全弹簧弹性地基梁法，该方法的弹簧与墙体变位方向有关。

Then, to incorporate non-linear earth pressure gradual change theory, to get non-linear earth pressure all spring elastic ground beam method which is related to wall deviation direction and magnitude.

然后结合非线性土压力渐变理论，得出非线性土压力全弹簧的弹性地基梁法，该法与墙体变位方向与大小均有关。

Two numerating methods are used in traditional structural design of gate chamber. First,considering the gate frusta to be fastened on the weir body,it is calculated as plane stress problem independently. Then applying the results on the bottom of gate frusta as concentrating load on the weir body,and the weir body is viewed as a elastic foundation beam or plate and unilateral stress analysis was performed.

传统闸室结构计算有两种计算方法，其一是将闸墩视为固端于堰体上，单独进行闸墩平面受力计算，再将闸墩下部的计算结果作为集中荷载作用于堰体上，堰体作为弹性地基梁或板进行片面应力计算。

But the deformation curve of large deformation satisfy more boundary conditions

变形模型沿用了王汝樑方法的远端弹性地基梁及近端悬臂梁模型，但大变形段的变形曲线满足了更多的边界条件

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。