The method of combination of the two ways can availably increase the radial compressive stress and smooth the hoopstress.
和多厚环过盈套装的方法结合起来装配飞轮，可以有效地增大径向压应力，缓和环向应力；
2
Once the temperature difference was higher than a certain number, the bending hoopstress induced by it made the welding crack of pipeline elbow explode.
当温差超过一定值时，由它所引起的弯曲环向应力使管道弯头焊缝爆裂。
3
It is found that hoopstress increases due to reduction in wall thickness of HDPE pipe, while yielding stress decreases owing to decrease of strain rate.