水工建筑物，由于受到外物（如船舶、冰凌等）的撞击或水流冲刷等原因，容易造成砼表面的破损，有的甚至造成大面积钢筋外露，影响了工程安全。如何对破损面进行有效的修复，一直是管理工作中的棘手问题。本人在多年施工中发现通过在常规使用的砂浆中加入一定的添加剂，再... Hydraulic structures are likely to cause damage to the concrete surface due to the impact of foreign objects (such as ships, icicles, etc.) or the scouring of water currents. Some of them even cause large-area steel bars to be exposed and affect the safety of the project. How to effectively repair damaged surfaces has always been a thorny issue in management. I found in many years through the construction of mortar in the routine use of certain additives, and then ...