The application of horizontal digging and grouting technique to rectifying a tilted building

A six-story building tilted seriously because of subgrade soils' non-uniform distribution.Its gradient of slope is up to 20‰,and the inclination is developing now.To rectify the deviation,a synthetic scheme by horizontal digging and grouting was made and carried out.After completion,the average inclination decreased to 5.8‰.A satisfactory result was gained.By this project,not only the importance of information construction but also the applicability of grouting in silt subgrade was set forth.