The tests show that the longer the age of bored piles, the higher the opening pressure of pile end post grouting. However, the age of bored piles has little influence on the final grouting pressure.
注浆试验表明：随着成桩龄期的增加，开塞压力也相应增大，但成桩龄期对终注压力影响不大。
The post-pressure grouting bored pile is used in the foundation de…
基础采用底部后压浆钻孔灌注桩体系。
The post-pressure grouting bored pile is used in the foundation de…
基础采用底部后压浆钻孔灌注桩体系。
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