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目前预应力结构应用非常广范,预应力孔道压浆的密实度直接影响了预应力工程的质量与耐久度。真空辅助压浆能有效地提高孔道灌浆的饱满度和密实性。
At present, the application of prestressed structure is very extensive. The compactness of prestressed hole grouting has a direct impact on the quality and durability of prestressed engineering. Vacuum-assisted grouting can effectively improve the filling and compactness of hole grouting.