深入研究注浆钢管加筋复合体系在深厚填土基坑支护中的应用实例,对注浆施工过程的成孔方式、浆液配比、注浆量计算、注浆压力确定等内容提出一般性原则;通过室内浆液试验,发现水玻璃溶液能有效控制浆液粘度的作用,在一定比例条件下浆液粘度呈近似线性规律增加;利用强度折剪法验算钢管施加前后基坑安全性系数,表明钢管加筋体在提高基坑开挖过程安全性方面具有重要作用。 In-depth study of grouting steel reinforced composite system in the deep foundation pit supporting application example, the grouting process of the hole forming method, slurry ratio, grouting amount, grouting pressure to determine the content of the general Principle; through the indoor slurry test, it is found that the water glass solution can effectively control the viscosity of the slurry, the viscosity of the slurry increases approximately linearly under certain conditions; the safety factor of the foundation pit before and after the steel pipe is calculated by the strength folding method shows that the steel pipe plus The rib body plays an important role in improving the safety of excavation.