In the light of the phenomenon such as flowing sand, and sand boil subjected from the flowing sand stratum, in the construction of artificial digging piles, the advanced support with rein- foreement and the chemical churning pile technology can be used to form the watertight curtain, thereby preventing successfully the loss of san.
文章针对挖孔桩施工中遇到流砂层，出现的流砂、涌砂现象，采用钢筋超前支护及旋喷桩技术形成隔水帷幕，成功地阻止了砂层的流失，解决了施工进度慢、不安全的难题，改善了桩周的边界条件，提高了抗滑桩的承载能力。