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结合马安立交桥8#左A桩基塌孔埋钻事故的处理,详细阐述先在原桩位掉锤顶上成桩,再对锤底溶洞高压旋喷补强的处理方法,为溶岩地区桩基塌孔埋钻的施工提供宝贵经验。
Combining with the treatment of Buried Buried Accident of 8 # Left A Pile Collapse Hole in Ma Anli Bridge, this paper elaborates on the treatment method of pile burying at the top of the original pile bit hammer and then strengthening the high pressure rotary jet grouting at the hammer bottom, Buried hole burial construction provides valuable experience.