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New Frontiers in Engineering Geology and the EnvironmentA New Method for Predicting Consolidation Settlement of Soft Ground Reinforced with Preloading Technique

New Frontiers in Engineering Geology and the Environment: A New Method for Predicting... [Preloading technique provides an efficient and economic solution to the problem of improving soft soils. The main focus of this paper is to present a new method for predicting the ultimate consolidation settlement of soft ground reinforced with preloading technique. This method is based on the linear relationship between settlement and settlement rate that derived from the theoretical solution to average consolidation degree of ground under various drainage boundary conditions. Furthermore, the ultimate settlement of a ground cell improved by the technique of vacuum preloading combined with fill surcharge has been determined using this method as well as the non-linear curve fitting method with the model of negative exponential function according to the field monitoring data of surface settlement. The results of the two methods turn out to be very close, especially when the data with relatively larger time spacing are selected for calculation. And, the present method is of higher practicability since there is no need for complicated non-linear curve fitting.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

New Frontiers in Engineering Geology and the EnvironmentA New Method for Predicting Consolidation Settlement of Soft Ground Reinforced with Preloading Technique

Part of the Springer Geology Book Series
Editors: Huang, Yu; Wu, Faquan; Shi, Zhenming; Ye, Bin
Ye, G. B.; An, X.; Wu, J.
New Frontiers in Engineering Geology and the Environment — Jun 11, 2012
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Publisher
Springer Berlin Heidelberg
Copyright
© Springer-Verlag Berlin Heidelberg 2013
ISBN
978-3-642-31670-8
Pages
45 –48
DOI
10.1007/978-3-642-31671-5_4
Publisher site
See Chapter on Publisher Site

Abstract

[Preloading technique provides an efficient and economic solution to the problem of improving soft soils. The main focus of this paper is to present a new method for predicting the ultimate consolidation settlement of soft ground reinforced with preloading technique. This method is based on the linear relationship between settlement and settlement rate that derived from the theoretical solution to average consolidation degree of ground under various drainage boundary conditions. Furthermore, the ultimate settlement of a ground cell improved by the technique of vacuum preloading combined with fill surcharge has been determined using this method as well as the non-linear curve fitting method with the model of negative exponential function according to the field monitoring data of surface settlement. The results of the two methods turn out to be very close, especially when the data with relatively larger time spacing are selected for calculation. And, the present method is of higher practicability since there is no need for complicated non-linear curve fitting.]

Published: Jun 11, 2012

Keywords: Settlement prediction; Preloading technique; Ultimate settlement

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