运用旋喷浆法处理断桩断桩是钻孔灌注桩施工中极为严重的质量事故，若在施工时发现断桩，可采用接桩法补救，但很多断桩是在验桩时才发现，此时桩已形成，不宜再用接桩法。核工业部长沙工程勘察院采用旋喷注浆法处理断桩，效果比较理想。在基桩有抽芯验证孔的情况下可直接... The use of rotary grouting method to deal with broken piles is a very serious quality accident in the construction of bored piles. If broken piles are found during construction, piles can be used to repair the piles. However, many broken piles were discovered during pile inspection. At this point the pile has been formed and it is not appropriate to use the pile method again. The Changsha Engineering Investigation Institute of the Nuclear Industry Department adopted a rotary jet grouting method to treat broken piles. The effect was satisfactory. In the case that the pile has a core verification hole, it can be directly...