Stress of Pipe Wall 管壁应力
The temperature field and the thermal stress state of multilayer Wall pipe have a heavy effect on the reliability of structure.
多层圆管结构在不稳定导热过程中的温度场及其热应力状态，关系到结构的安全可靠性。
After checking the pipe wall thickness, pipe stress and safety factors this batch of steel material has still complied with the requirements, while safety Surveillance should be enhanced.
通过管道壁厚、管道应力、安全系数的校核，表明该批钢材仍符合要求，但要加强安全监督。
Internal stress of welds seam for long distance pipeline is analyzed starting with any point of circumferential stress on pipe wall.
从钢管壁上任意一点的环向应力入手，分析了长输管道焊缝的内应力。
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