劈裂注浆技术在软流塑地层加固中的应用

Fracturing Grouting Technique Applied in Consolidation of Soft & Plastic Layers

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。

The function and mechanism of grouting and its effect are analyzed in accordance with fracturing grouting consolidation in some tunnels of Nanjing subway N-S line. The material and ratio of cementing paste are tested. The on-site results demonstrate that this technology is suitable for advance cementing.