prestress是什么意思

2024-02-02 02:17:17

prestress

美[prɪstres] 英[priːstres]

vt. 预加应力干

n. 预拉伸

Shear lag is reduced for prestress in serviceability limit state . 在正常使用状态下,预应力平抑了箱梁剪力滞效应。
The result shows that prestress can reduce the deform and tensile stress. 计算结果表明，预应力的施加能减少位移，减小拉应力；
This paper introduces structure of waveform steel web prestress concrete box girder and construction method for several bridges. 介绍了波形钢腹板预应力混凝土箱梁的结构和几座桥梁的施工方法。
The infuence on resonance frequencies of longitudinal-torsional ultrasonic motor exerted by prestress is studied. 摘要研究了预压力对超声马达共振频率的影响。
Then the prestress of the piles was adjusted to the designed value in prefabrication, and good effect was achieved. 提出适当调整预应力，能够有效地解决预应力水冲桩桩身裂缝的问题。
The various characters and change tendency of anchorage prestress ,as well as the effects of group anchorages,etc. 对锚固预应力变化特征、趋势及群锚效应等进行了综合分析；