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公路桥梁伸缩缝电磁超声检测技术 被引量:2

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摘要 基于洛伦兹力原理,设计了一种非接触式电磁超声换能器,研究将其用于现役的公路桥梁伸缩缝装置快速检测。通过试验对比了双模式和单模式电磁超声换能器信号的精度,并通过精度更高的单模式电磁超声换能器进行伸缩装置的裂纹检测,结果基本吻合,从而验证了电磁超声检测伸缩装置裂纹的可行性。
出处 《交通建设与管理》 2014年第7X期16-18,21,共4页 Transport Construction & Management
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