Taking Zilu Station of Hefei Metro Line 7 through Line 1 Zilu Station as the engineering background,this paper analyzes the causes of settlement exceeding limit of existing stations caused by grouting reinforcement in underground section.The settlement deformation of existing stations is better controlled by setting drainage holes in station hall floor,setting grouting wall in underground section,grouting blocking between piles and other construction techniques.The monitoring data shows that the monitoring data has tended to be stable.
维普
万方数据