零件的应力状况能够反映机械构件的工作状态，对它的有效检测和评估为提高产品的安全性、可靠性和稳定性提供了保障。
The working condition of mechanical components can be indicated by their stress states, whose measurement and evaluation can also improve the security, reliability and stability of the products.
此值被用来比较材料的强度，但是当设计计算时，要用一个安全系数，使工作应力低于比例限制。
This value is used to compare the strength of materials, but a safety factor is applied when making design calculations, to bring the working stress well below the limit of proportionality.
在数值模拟计算含缺陷球罐应力场的基础上，对含缺陷球罐在工作压力和超压两种工况下进行了断裂安全评定和强度校核。
Based the numerical simulation for sphere tank with defects, fracture safety assessment and stress strength verification are done under the cases of working pressure and over pressure.
根据化工反应塔的损伤原因和对塔体进行的初步安全检测，提出影响该受损塔体安全的主要因素是其工作过程中所受到的应力。
According to the damage reason of the chemical reaction tower and the elementary test, this paper thinks the main factor to affect the safety of the tower is the stress in the work.
为确保钢结构工程的可靠性和安全性，必须严格控制连接螺栓的预紧力，必要时还要在线监测螺栓工作应力。
To guarantee the reliability and security of the steel construction, the clamp load of the joint bolt should be under strict control, sometimes even the tension of the bolt should be measured on-line.
通过以上工作，获得了强化后该组合式活塞安全性的评估依据，为进一步降低活塞热负荷、改善应力分布奠定了理论基础。
Through the above work, the safety evaluation reference of the composite piston was obtained, which provide the basis of further improvement of piston design for the intensified engine.
另外，使用的多芯导线应力计算程序，操作简单，为相关工作人员提供了一个快速而可靠的导线安全评定方法。
Besides, the Program of Wire Stress Calculation that is operated easily can facilitate the users to make safe assessment more accurately and effectively.
如果超界，可立即报警，并且每个牛腿任意时刻的应力场状态都可以清晰的显示在计算机屏幕上，便于工作人员操作监测整个结构的安全性。
At the same time, any time stress condition of bracket can show on the computer screen that convenient the workers inspect the safety of structure.
如果超界，可立即报警，并且每个牛腿任意时刻的应力场状态都可以清晰的显示在计算机屏幕上，便于工作人员操作监测整个结构的安全性。
At the same time, any time stress condition of bracket can show on the computer screen that convenient the workers inspect the safety of structure.
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