Abstract: With the rapid development of urbanization, a variety of composite support methods have been received more and more applications in the excavation supports. This paper presents a case history of selecting the deep excavation supporting system in Beijing. Based on the project needs, a combination of several supporting systems, soil nail wall, soldier pile with ground anchor and gravity retaining wall were used. The construction monitoring data indicated that the results were satisfactory.

Key words: Deep Excavation Engineering, Composite Excavation Supporting System, Soil Nail Wall Supporting, Soldier Pile with Ground Anchor System, Gravity Wall Support