用压力灌浆法修补砖墙或混凝土结构的裂缝，是一项行之有效的维修工艺。它的操作技术易于掌握，修补后粘结牢固，能使原有结构恢复原来的强度，耐久性能好、用工少、用料省，施工费用低，在国内外已有很多工程得到应用。应用压力灌浆修补裂缝，首先应对引起砖墙或混凝土结构开 The use of pressure grouting to repair cracks in brick or concrete structures is an effective maintenance process. Its operating technology is easy to grasp, the bond is firm after repair, the original structure can be restored to its original strength, durability is good, labor is less, materials are saved, construction costs are low, and many projects have been applied at home and abroad. Apply pressure grouting to repair cracks, first deal with causing brick walls or concrete structures to open