Study on Comparison of Predicting Method on Settlement and Deformation of Unballasted Track in the Button of Tunnel on High Speed Railway

Tong Bing Lei; Shu Dan Xiong; Ling Fa Jiang; Zhang Jun Dai

doi:10.4028/www.scientific.net/AMM.513-517.2647

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 513-517Study on Comparison of Predicting Method on...

Study on Comparison of Predicting Method on Settlement and Deformation of Unballasted Track in the Button of Tunnel on High Speed Railway

Abstract:

Curve fitting method is one of the methods that predict and make analysis to the settlement and deformation of unballasted track tunnel project. Based on the measured date of the button of a certain unballasted track tunnels settlement, hyperbolic method and three-point method and Asaoka method were used to predict the settlement and deformation, according to the predicted result, we can get the best predicted method in this paper. The result shows that, on the premise of predictable, to a small accumulated settlement value and a small fluctuation state, the fitting result is close to each other with the prediction of three-point method and Asaoka method, while the result of hyperbolic method made it be the best choice here, as for the greater predicted post-construction settlement value and final settlement value, this method was regarded as a safe and reasonable method, which was regarded as the best one in the above three methods.

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Periodical:

Applied Mechanics and Materials (Volumes 513-517)

Pages:

2647-2650

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.513-517.2647

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Online since:

February 2014

Authors:

Tong Bing Lei*, Shu Dan Xiong, Ling Fa Jiang, Zhang Jun Dai

Keywords:

Asaoka Method, Hyperbolic Method, Post-Construction Settlement, Prediction, Three-Point Method

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* - Corresponding Author

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