部分预应力混凝土梁中的非预应力钢筋在反复运行荷载作用下承受交变应力。
The non—prestressed steel bars in ppc beams endure alternate stress under the repeated service loading.
研究并提出了带缝混凝土坝运行期的馈控运行荷载的方法，推导了其计算控制荷载的公式，研制了相应的分析程序。
This paper studies and puts forward the feedback analysis method of operation and control loads of the dam with slot during operation period and derives its calculation control load formula.
正常运行时，联轴器能够吸收仅有弹性变形产生的正常抗压荷载。
During normal operation the couplers are capable of absorbing normal compression loads by elastic deformation only.
部分荷载时，双压机交替运行，寿命更长。
Part of the load, the double-press alternately run and longer life.
基床不仅需要具有足够强度以承受高速列车荷载动力作用，而且需要具有合适刚度与以满足高速列车行驶时安全舒适运行的要求。
There are not only enough subgrade bed strength, but also appropriate subgrade bed stiffness to satisfy with the safety and comfort under the high-speed train loading.
采用施加在轨道上的一系列移动轴荷载模拟列车作用，利用轨道结构连续弹性双层梁模型，计算出某城市地铁列车运行产生的轨枕与隧道之间的作用力。
Using the continuous elastic double layers beam model of track structure, the forces between the sleepers and the tunnel inlay produced by the running of certain subway train were calculated.
风荷载是接触网设计中主要的可变荷载，风速取值的正确与否对接触网的运行安全及系统的经济性至关重要。
Wind load is a main variable in OCS design, its right selection is very important for safety operation of OCS and economic efficiency of the system.
本文以现场量测的码头门机荷载及运行情况调查资料为依据，确定了该荷载最大值分布的随机过程模型，并对该荷载进行概率统计分析。
A random process probabilistic model of the loading maximum value distribution is determined based on the data of actual measurment and investigated operation situation for gantry crane on wharf.
输电塔结构的安全直接关系到国家电网的运行可靠性，而风荷载则是威胁其安全的主要外因之一。
Structural safety of transmission towers is directly related to the reliability of the state grid. In fact, wind loading is taken as one of the main harmful factors.
本研究能为导轴承设计提供荷载依据，对减小导轴承荷载、提高可靠性和运行寿命有很大意义。
This study lays the foundation of design of pump bearing and is helpful in improving, the reliability and working life of a pump bearing.
通过增大提升能力前后不同荷载下的构件应力对比，对增大提升能力后的井架的运行状况做出预估与分析。
Based on the members' stress in the new and original load conditions, the evaluation and analysis on the actual state of headframe was obtained.
这是因为它优化了前端和后端代码，以此保证在相当大的荷载下运行流畅。
This has been achieved by optimizing both the front-end and back-end code to ensure that it operates smoothly under considerable load.
隧道埋深、地铁列车运行速度、荷载频率、隧道衬砌弹性模量等因素对地面振动有极大的影响。
Tunnel depth, subway train speed, loading frequency, tunnel lining elastic modulus and other factors have great impact on the ground vibration.
隧道埋深、地铁列车运行速度、荷载频率、隧道衬砌弹性模量等因素对地面振动有极大的影响。
Tunnel depth, subway train speed, loading frequency, tunnel lining elastic modulus and other factors have great impact on the ground vibration.
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