基于冲击回波法的预应力管道压浆密实性检测 |
渠广镇, 周广利, 张科超, 王彦伟 |
The detection of grouting compactness of pre-stressed ducts based on the impact-echo method |
Guang-Zhen QU, Guang-Li ZHOU, Ke-Chao ZHANG, Yan-Wei WANG |
图4 试验模型 a—模型尺寸;b—模型实体 |
Fig.4 The test model a—the model size;b—model entity |
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