spiral arrangement

Studying the stress distribution of the spiral case, reinforcement and cracking development of surrounding concrete by means of 3-D non-linear finite element analysis, in order to obtain a feasible reinforcement amount and arrangement.

根据选定的充水保压值，对蜗壳和外围钢筋混凝土进行非线性分析，对外围混凝土裂缝发展、蜗壳和钢筋的应力分布进行研究，确定合理的混凝土配筋参数；

Comparison between two kinds of the spiral trough arrangement way

两种螺旋溜槽布置方式的应用比较

This paper describes the fabrication arrangement in workshop, work flow design, principles of fabrication of the piles with spiral method and welding procedures for the piles with variable wall thickness.

介绍制桩厂生产布局、流程设计、螺旋法制桩原理和变壁厚钢管桩焊接工艺等。

A spiral arrangement is usually observed in the Ni-Cu filled system when the number fraction of nickel atoms is less than 0.8.

在Ni-Cu合金填充管中，当Ni的数目分数小于0.8时，观察到了金属原子的螺旋式排列。

Then the clockwise and counter-clockwise spiral pattern of seeds arranged on the sunflowers, the arrangement of scales on fir cones and pineapples are all associated with the Fibonacci series.

向日葵花的种子排列，以及松树球果和菠萝的鳞片，顺时针方向与反时针方向的纹数，都与费波那契数列有关。