Stability Analysis of Anchored Reinforced Cement Mixing Columns Supporting Deep Excavation Using FLAC3D
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The application of anchored cement mixing columns as the supporting structures of the deep excavation is introduced in this paper.The excavation and supporting process of applying the anchored cement mixing columns are simulated by using FLAC3D software.The lateral deflection of the supporting system,vertical settlement of the adjacent grounds,and heave of the excavated area are simulated.The factor of safety after the soil improvement by the anchored columns was able to be obtained by the strength deduction method.The conclusions obtained in this study can be applied to the design and construction of other deep excavation projects.