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Slope Stability Analysis Based on Measured Strains along Soil Nails Using FBG Sensing Technology
Joint Authors
Li, Chao
Zhu, Hong-Hu
Wang, Yu-Jie
Pei, HuaFu
Source
Mathematical Problems in Engineering
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-12-21
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Abstract EN
In the past few decades, slope stability analysis using numerical methods is becoming a hot issue, but it is based on extremely ideal assumptions.
Soil nailing technique, as one of the most cost-effective reinforcing methods, has already been widely used for reinforcing slopes.
In this study, to evaluate the safety factor of a slope, the strains on soil nails were measured by fiber Bragg grating (FBG) sensor.
Strains along soil nails in the same cross section of a slope can be computed using the measured wavelength shifts of FBG sensors.
In order to evaluate the stability of a slope, an optimal model was proposed to search the potential slip surfaces based on measured strain values.
Maximum sum of strains on soil nails at different elevations of the same cross section was taken as the objective.
Positions of soil nails, circular slip surface, and boundary conditions of the soil nails were summarized and taken as constraints.
Finally, safety factors can be computed using the searched slip surface regarding the axial stress of soil nails.
This method combines the limit equilibrium methods with measured axial strains on site which can reflect the actual condition of field slopes.
American Psychological Association (APA)
Pei, HuaFu& Li, Chao& Zhu, Hong-Hu& Wang, Yu-Jie. 2013. Slope Stability Analysis Based on Measured Strains along Soil Nails Using FBG Sensing Technology. Mathematical Problems in Engineering،Vol. 2013, no. 2013, pp.1-5.
https://search.emarefa.net/detail/BIM-1031973
Modern Language Association (MLA)
Pei, HuaFu…[et al.]. Slope Stability Analysis Based on Measured Strains along Soil Nails Using FBG Sensing Technology. Mathematical Problems in Engineering No. 2013 (2013), pp.1-5.
https://search.emarefa.net/detail/BIM-1031973
American Medical Association (AMA)
Pei, HuaFu& Li, Chao& Zhu, Hong-Hu& Wang, Yu-Jie. Slope Stability Analysis Based on Measured Strains along Soil Nails Using FBG Sensing Technology. Mathematical Problems in Engineering. 2013. Vol. 2013, no. 2013, pp.1-5.
https://search.emarefa.net/detail/BIM-1031973
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1031973