根据一系列常幅疲劳试验，分析了抗弯加固rc梁中FRP疲劳应变的变化规律和关键影响因素。
Based on a series of fatigue tests, the change laws and the main influence factors of FRP strain of strengthened RC beams under cyclic bending loads were analyzed.
一个如图83所示的平均应变或预应变，在某种情况下，能够缩短以后的疲劳寿命。
A mean strain or prestrain, as in FIG. 83, can under certain conditions reduce the subsequent fatigue life.
通过应变分布影响系数把应变疲劳与应力疲劳联系起来。
Strain fatigue and stress fatigue are related by the influence coefficient of strain distribution.
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