Dynamic monitoring of the control prjecet of the Jietai Temple landslide in Beijing

The Jietai Temple landslide is a large smashing rock slide group which develops under the conditions of rich geological structures,bad properties of rocks and adverse circumstances.Because of its large-scale(over 9000000 m~3) and complex causes,the comprehensive treatment technologies such as retaining,anchoring,water-controlling and grouting should be adopted at the same time.Meanwhile,the dynamic monitoring system were applied in the landslide control project,from which the deformation of the landslide,the location of sliding surface,the main direction of the slip,the branch directions of the sliders and their relations among the sliding can be determined through a combination of deep borehole,cracks,the surface observation network and other monitoring tools.The monitoring results indicate that the impact of the spring melt and working procedures to the landslide played a crucial role in training projects for the dynamic design,information-based construction.The monitoring results also provided an evaluation method of project effect.The concepts given in this article provide a reference for the monitoring of similar large-scale landslide projects in the future.