Through a study on the trend of the cracks and safety of piers with cracks, it is shown that under normal loads, the craks can meet the demands of strength and rigidity.

• 对裂缝的发展趋势及开裂后闸墩的安全性研究表明，裂缝在正常使用荷载作用下，可以满足强度、刚度要求；