The Study Of A New Support Technology-The Vertical Prestressed Anchored Cement Soil Wall

A new composite supporting structure—Vertical prestressed anchored cement soil wall is studied in this paper. The main characteristic of this structure is that it can reduce the width of the cement soil bar and the horizontal displacement, which is fit for narrow sites. This paper studies its mechanism from stabilization, deformation and combined action.The main contents of this paper are as follows:(l)The background and theory of this new structure are expatiated.The constitution of this structure is mentioned. The construct technics and flow of it are summarized, and the author gives some practical advices.(2)Based on the analysis of cement soil bar's stability, this paper put forward the stability analysis of the new structure with the consideration of prestressed anchor. Dismembered into two segments, the formulae of the horizontal displacement is put forward.(3)This paper also probes into the combined action between the prestressed anchor and the cement soil bar.(4)Using the Plaxis soft ,this paper analyzes the relationship between the constitutions and the displacement of the new structure. Through the mathematic model which is constructed from actual project by Zsoil3D, the author analyzes the properties of the new structure and compares it with cement soil bar.(5)In the finality, the author sums up the lack of this paper and the problems requiring further studies.