大学英语词汇短语释义解析及例句 alternate stress


释义：

alternate stress [力] 交变应力；反复应力

例句：



The concentration of alternate stress is a key factor of fatigue destruction.

而交变应力集中是疲劳破坏的一个关键因素。



That the thread endures high alternate stress is the first cause of failure of thread joint.

螺纹部位承受高的交变应力，是导致螺纹联接螺纹失效的主要原因。



The non—prestressed steel bars in ppc beams endure alternate stress under the repeated service loading.

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 alternate stress stimulates vibration ice, makes the offshore petroleum steel construction fracture because of the fatigue factor.

冰激振动引起的交变应力，将会使海上石油钢结构发生疲劳与断裂玻坏。



The fatigue rupture made up 80 percent of the total petroleum drillstring failures, which is related to the flexural-torsional alternate stress acted on drillstring.

石油钻柱的失效80 %以上都为疲劳破坏，这与钻柱在弯曲和扭转组合下的交变应力有关。