T his paper analysis and discuss the cause of crack, and put forward the way of tr eatment which could be a reference for the design and constr uction on anchorage block of penstock.

• 从多方面分析、述裂缝产生的原因,详细阐述处理措施,对进一步完善压力钢管镇墩的设计以及制定其施工方案提供参考。