One-time use of seals , after the chipseal damage can not be re -used .
铅封一次性使用，拆封后芯片损坏弗成再用。
2
Synchronous chipseal layer has many advantages, such as high strength, surface, non-slip, waterproof, durability, preventing driving rain and so on.
同步碎石封层具有强度高、表面粗糙、防滑、不透水、耐久性好、防止雨天行车水雾等优点。
3
Based on fracture mechanics and finite element theory, calculation and analysis stress intensity factor of fiber asphalt chipseal under different conditions.