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

表1 激振锤直径选择

Table 1 Shock hammer diameter selection

构件厚度b b≤20 cm 20 cm<b≤40 cm 40 cm<b≤60 cm 首选激振锤直径Dxx D10 D17 D17 备选激振锤直径Dxx D17 D10 D30