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对南京地铁某区间隧道软流塑地层的大管棚加超前小导管劈裂注浆加固方案进行了介绍 ,并对注浆材料及配比进行了试验研究 ,根据注浆效果可知 ,设计的劈裂注浆加固方案可满足超前加固的要求。
This paper introduces the reinforcement plan of the small pipe splitting and grouting of the large plastic pipe roof and the small plastic pipe in the section of the Nanjing Subway and studies the grouting material and its proportioning. According to the grouting effect, Crack grouting reinforcement program to meet the requirements of advanced reinforcement.