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冲击回波法在桥梁预应力管道压浆密实性检测中的应用研究

Research on the application of impact echo method in the compaction test of prestressed pipe grouting of bridge
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摘要 桥梁预应力管道压浆不密实会对结构的安全性、耐久性产生十分不利的影响,本文通过比较常用桥梁预应力管道压浆密实性无损检测方法原理的优点及缺点,论述了冲击回波法的基本原理及在不同注浆饱满度下冲击回波主频及传播路径,并结合工程实际对箱梁预应力管道压浆密实性进行了定性检测及定位检测,并进行开孔验证,与检测结果一致,论证了冲击回波法现场检测便捷灵活、检测结果准确、适应性强的特点,为后期检测桥梁预应力管道压浆密实性提供参考依据。
作者 潘海结 PAN Hai-jie
出处 《工程与建设》 2024年第2期428-430,472,共4页 Engineering and Construction
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