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 |
|