The fatigue is the main damage appearance in road surface structure. The character of re-fatigue of road surface material directly relate to it's service life.
疲劳破坏是路面结构损伤的主要现象，路面材料的抗疲劳性能直接关系到路面的使用寿命。
The author analyses the causation of asphaltum road surface damage and puts forward relevant prevention measurement.
本文作者对沥青路面的病害成因作了一般性分析及论述，并提出了几项防治措施。
The reasons and mechanisms that lead to damage of cement concrete road surface are introduced. Some prevention measures are also given.
分析了造成水泥混凝土路面发生破损的原因、类型和机理，提出了预防措施。
Suspension is an important component that link body with wheel on vehicle. During the using, the impact loads that come from road surface can make the fracture damage of suspension.
悬架是车辆中联结车身和车轮的纽带，具有承上启下的关键作用，在使用过程中来自路面的冲击载荷容易造成悬架的断裂破坏。
Suspension is an important component that link body with wheel on vehicle. During the using, the impact loads that come from road surface can make the fracture damage of suspension.
悬架是车辆中联结车身和车轮的纽带，具有承上启下的关键作用，在使用过程中来自路面的冲击载荷容易造成悬架的断裂破坏。
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