预拉力 meaning in English
pretension
Examples
- Supporting mechanism of pre - tension 3d - cable and its application
预拉力三维锚索支护机理与实践 - Studies show that simply adopting multi - compound supporting is far from enough to control strong non - lineal deformation , meanwhile measures must be taken to harness the weakening course caused by fracture water
针对此情况，提出了动态过程控制的支护原理，采用预拉力锚杆、锚索、桁架和围岩滞后注浆堵水加固相结合的全过程控制围岩技术。 - The distribution of pre - stress in parabolic net of astromesh deployable antenna plays an important role in design and analysis of this kind of deployable antenna , a common method to solve this problem is non - linear finite element method
环形桁架可展天线中心索网的预拉力配置问题是此类天线结构设计与分析的重点，目前，常采用的解决方法为非线性有限元平衡迭代。 - That is to say , the amount of the springback decreases with the increase of the pre - stretch force and lateral compression , and the decreasing trend is close to a linear relation , and when the lateral compression is large enough , the negative springback appears
理论分析和试验均表明：回弹半径随着预拉力和侧压力的增大而减小，减小趋势基本为线性关系，当侧压力足够大时，出现负回弹。 - At first , after the dynamic characteristics of the plane and the spatial supporting systems were studied , fore some steps fixed frequency and shape of vibration were gained . secondly , several design parameters which influence the dynamic characteristics of this kind system were discussed , including pre - tension value in the cable , cross - section of the cable , cross - section of steel - bar and form change . some applied decisions were found
首先，对平面和空间索桁支承体系的自振特性进行研究，得到体系的前几阶固有频率和振型形式；进而探讨了索的预拉力、拉索截面面积、撑杆截面面积、形状改变(撑杆长度l )等主要设计参数对体系自振特性的影响，得出了一些有益的结论，为体系设计和施工提供意见和依据；最后，对体系的风振特性进行了分析，用幕墙风荷载规范对几种索桁支承体系形式进行风荷载计算。