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从实用勘探技术的角度,介绍了瞬态机械阻抗法检测混凝土板下脱空技术原理和模型试验情况,并以高铁工程为例,介绍了瞬态机械阻抗法检测混凝土板下脱空检测效果。
From the perspective of practical exploration technology, the principle and model test of instantaneous mechanical impedance testing for concrete slab under concrete slab are introduced. Taking the high-speed railway project as an example, the transient mechanical impedance method is introduced to test the effect of void detection on concrete slab.