Ground Settlement Prediction Model and its Application for Tunneling Engineering above Mined-Out Regions

Abstract:

Although many types of curve fitting methods were used in ground settlement prediction, it is due to every prediction method was not perfect, they have some defects and shortcomings to some extent and ground settlement prediction be up against huge challenge. Usher model, being used for economic and resources prediction, is introduced to ground settlement prediction as a new method, and its mathematics features are also analyzed. After comparative analysis, Origin software is selected for parameters solution of Usher model with an explanation of the solving process. Based on the Shipogou tunnel project which through the mined-out regions in Qingdao-Yinchuan highway, the Usher model for ground settlement is established combining to the field data, of which the parameters are solved with the user-defined function and nonlinear tool of Origin. The predicting results being compared with that of grey model and hyperbolic model, it shows that Usher model is of good adaptability, high accuracy, simple and coinciding well with measured data.

• Periodical: Advanced Materials Research (Volumes 524-527)
• Pages: 592-597
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.524-527.592
• Online since: May 2012
• Authors: Shu Ren Wang, Hai Qing Zhang
• Keywords: Ground Settlement, Nonlinear, Predictive Analysis, Usher Model

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