与时间有关的变形 meaning in Chinese

time dependent deformation

And these changes will affect the stress and strain of the structure , then the deflection . the deflection upwards exceeding reasonable value will bring difficulty for high speed running and increase the impact effect , causing the intensive shake of the bridge
混凝土的收缩徐变变形及预应力钢束的松弛是与时间有关的变形性质，它们随时间的变化会引起结构中应力应变的变化，进而导致结构的挠度变化。