基于冲击回波法的预应力管道压浆密实性检测
The detection of grouting compactness of pre-stressed ducts based on the impact-echo method
a—测点时域曲线;b—测点MEM卓越周期
a—time domain curve of measuring point;b—measuring point MEM predominance period
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 |
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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7 试件顶板方向激振时域及卓越周期 a—测点时域曲线;b—测点MEM卓越周期 |
| Fig.7 Time domain and predominant period of specimen roof directional excitation a—time domain curve of measuring point;b—measuring point MEM predominance period |
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