Three-Dimensional Stability Analysis of a Homogeneous Slope Reinforced with Micropiles
Joint Authors
Source
Mathematical Problems in Engineering
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-10-21
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Micropiles are widely used to reinforce slopes due to their successful performance and fast construction.
In this study, a simple nonlinear method is proposed to analyze the stability of a homogeneous slope reinforced with micropiles.
This method is based on shear strength reduction technique, in which the soil behavior is described using the nonassociated Mohr-Coulomb criterion and micropiles are modeled as 3D pile elements.
A series of slope stability analyses is performed to investigate the coupled mechanism of micropile system, and the optimum of pile position, depth of embedment, and length of truncation are analyzed.
Results show that the position of micropile system plays an important role not only in the calculation of the safety factor, but also in locating the failure surface, which demonstrates the dominating coupled effect exists between micropiles and slope.
The critical embedment depth of the micropile is about 2 times the length of micropile above the critical slip surface, and the micropiles flexure rather than rotation becomes increasingly prevalent as the depth of micropiles embedment increases.
Truncation of micropiles may improve the capacity of the micropile system, and the largest truncation length of micropile is about 1/4 depth of critical slip surface in this study.
American Psychological Association (APA)
Sun, Shu-Wei& Wang, Wei& Zhao, Fu. 2014. Three-Dimensional Stability Analysis of a Homogeneous Slope Reinforced with Micropiles. Mathematical Problems in Engineering،Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1046516
Modern Language Association (MLA)
Sun, Shu-Wei…[et al.]. Three-Dimensional Stability Analysis of a Homogeneous Slope Reinforced with Micropiles. Mathematical Problems in Engineering No. 2014 (2014), pp.1-11.
https://search.emarefa.net/detail/BIM-1046516
American Medical Association (AMA)
Sun, Shu-Wei& Wang, Wei& Zhao, Fu. Three-Dimensional Stability Analysis of a Homogeneous Slope Reinforced with Micropiles. Mathematical Problems in Engineering. 2014. Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1046516
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1046516