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真空灌浆技术可以大大提高孔道压浆的饱满度与密实度,对提高预应力混凝土结构的安全性和耐久性而言,是更为有效的措施。
Vacuum grouting technology can greatly improve the porosity and compactness of grouting, which is a more effective measure to improve the safety and durability of prestressed concrete structures.