压力灌浆法加固地基技术

Technology of using pressure grouting to reinforce foundation

从压力灌浆的理论、适用范围、主要特征、施工工艺、施工方法、施工质量控制、施工注意事项及安全技术等方面 ,分析了压力灌浆法的加固地基技术。并对机具、材料、灌浆量、扩散半径、布孔、钻孔、灌浆、封孔的全过程进行了介绍。指出压力灌浆技术对砂、砂砾石、软粘土和湿陷性黄土的地基加固十分有效 ,具有广泛的推广应用价值。

The technology of using pressure grouting to reinforce foundation is introduced through the analysis on the theory of pressure grouting, applicability, construction technology, quality control, matters needing attention, safety technology and so on. And from equipments, materials, grouting quantity, diffusion radius, grouting and plugging the whole construction process is introduced. This technology has good effect in reinforcement for the foundations with sand, gravel, soft clay and collapsible loess and with great popularizing value.