On the basis of fatigue test under high-low two stresses loading, the paper testifies that the equivalent damage lines do not parallel each other and tend to converge slightly over the fatigue limit. 本文根据高低二级应力作用下的疲劳寿命试验,验证了等损伤线互不平行且向下汇聚。
The Foundation Construction of High-Low Legs in Great Height Difference for Transmission Lines and Its Measurement 送电线路大高差高低腿基础施工及检测