初张力 meaning in Chinese
initial te ion
initial tension
preliminary tension
Examples
- According to optimization theory , one math model was made with the aim to the minimization of the maximal stress and error between design cable stresses and calculation value , subjected to the top displacement of tower , and then one algorithm for realizing the construction cable stresses is gained
斜拉桥施工张拉力的正确确定是实现成桥目标的首要任务，本文按照优化理论，以桥梁结构的最大应力最小及成桥索力和设计索力差值最小为目标函数，并以塔顶位移为控制条件，得出实现斜拉桥施工初张力的算法。 - Abstract : this article is based on the theory of fuzzy optimization design . the running speed and width and initialtensileforce and interval distance of roller are its design variable . the objective function is the minimum power loss of the traction motor . it constructs the fuzzy optimization mathematical model of the two - way running belt conveyer ' s main parameters
文摘:以模糊优化设计理论为基础，以双运带式输送机输送带的运行速度、宽度、初张力及托辊间距为设计变量；以牵引电机运行的最小功率消耗为目标函数，构造出了双运带式输送机主参数的模糊优化数学模型。 - The force control of suspension bridge anchorage cable is the main contents which will be researched . according to the character of suspen - sion bridge anchorage , three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river . firstly , an effective method of cable force control is presented in this paper , which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack . secondly , an exactitude calculation model is founded in this paper . in addition the influence of boundary condition , sag , inclination , flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force . in the end of this paper , a control system of anchorage cable force is developed on the basis of the above research . this system is very steady , credible , high precision and convenient . it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable . in this paper , the conundrum of cable force control has been solved . the fruits are very useful to the development of inland suspension bridge
提出了一种有效可行的锚跨张力控制方法，即通过在油压千斤顶后加压力传感器，并利用单片机技术进行数据采集，解决了悬索桥锚跨索股初张力精确控制的难题；建立了锚跨索股索力的精确计算模型，分析了索股的边界条件、斜度、垂度、抗弯刚度及环境温度对索股频率的影响，解决了弦振法在大跨径悬索桥索力测试中的应用问题；在上述研究成果的基础上，研制出了锚跨张力控制系统，该系统具有稳定可靠，精度高，使用方便等特点，它的投入使用将为我国今后大跨径悬索桥锚跨张力控制提供一种全新的、可靠的手段。