Effect of reinforcement force distribution on stability of embankments

Tandjiria, V.; Low, Bak Kong; Teh, C. I.

doi:10.1016/s0266-1144(02)00015-8

Cited by 18 publications

(9 citation statements)

References 24 publications

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“…Varadarajan et al [3] in 1999 investigated the effects of the type of reinforcement, the type of clay, the depth of foundation, and the drainage condition on the behaviour of a reinforced embankment-foundation system by conducting a finite element analysis. Tandjiria et al [4] in 2002 studied the effect of reinforcement force distribution on the stability of reinforced embankments by using the extended generalized method of slices and made a comparison with results obtained from other analytical or numerical methods. By combining centrifugal model tests and digital image analysis, Zornberg et al [5] in 2003 studied the strain distribution within geosyntheticreinforced slopes under pre-failure conditions, and analysed the relationship between safety factor and magnitude of the reinforcement maximum peak strain.…”

Section: Introductionmentioning

confidence: 99%

Stability Analysis of Reinforced Slope Based on Limit Equilibrium Method

Song

Chen

et al. 2018

Teh. vjesn.

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Reinforced soil structures are widely used in civil engineering for the slope protection because of their unique advantages. However, the failure mechanism of such structures has not been fully studied. In this paper, the stability analysis of reinforced slopes is carried out based on the limit equilibrium method. Furthermore, the effects of the location, the length and the tensile strength of the reinforcement layers on the safety factor and the critical failure surface are investigated. The research results indicate that the above parameters have great effects on the safety factor and the critical failure surface of the reinforced slope. However, the effects of the length and the tensile strength of the reinforcement on the location where the failure surface starts are not significant. Based on the analysis of computation results, the failure mechanism is analyzed and the optimum design scheme of the reinforced slope is recommended.

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Section: Introductionmentioning

confidence: 99%

Stability Analysis of Reinforced Slope Based on Limit Equilibrium Method

Song

Chen

et al. 2018

Teh. vjesn.

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“…Low and Tang (2001) for the stability analysis of reinforced embankments. Tandjiria et al (2002) extended the work by Chen and Li (1998), which is based on Chen and Morgenstern's method (Chen and Morgenstern 1983), to incorporate the reinforcement. It can be seen that the existing stability methods can be extended to study the stability of reinforced embankments easily.…”

Section: Discussionmentioning

confidence: 99%

“…The procedures to search for critical noncircular slip surface mentioned above can, of course, be used to locate the critical slip surface for reinforced embankments on soft ground. However, only a few attempts have been made so far to search for critical noncircular slip surface for reinforced embankments (Sabhahit et al 1994 andTandjiria et al 2002). Powell's method of unconstrained minimization was adopted by Sabhahit et al (1994) to locate the critical noncircular slip surface using the penalty function approach to consider the constraints.…”

Section: Discussionmentioning

confidence: 99%

“…Powell's method of unconstrained minimization was adopted by Sabhahit et al (1994) to locate the critical noncircular slip surface using the penalty function approach to consider the constraints. The work by Tandjiria et al (2002) was based on the spreadsheet in Microsoft Excel environment where the built-in optimization tool Solver was used (Low et al 1998).…”

Section: Discussionmentioning

confidence: 99%

“…The parametric study conducted by the authors showed that the orientation of reinforcement force affected the stability of the reinforced embankment considerably. Tandjiria et al (2002) extended Chen and Li's approach (Chen and Li 1998), which is based on Chen and Morgenstern's method (Chen and Morgenstern 1983), to analyze the stability of reinforced embankments on soft ground. Three different types of reinforcement force distribution: the linear force distribution, the cubic force distribution and the force distribution governed by the bond or rupture strengths were used in the analysis.…”

Section: Considering the Effect Of Reinforcement By Conventional Limimentioning

confidence: 99%

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Behaviour of reinforced embankment on soft ground and reliablity analysis

Xu¹

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Stability analysis of slopes or embankments is greatly affected by uncertainty of soil properties. The current design practice is based on the factor of safety which cannot directly reflect the input uncertainty. Probabilistic stability analysis is a rational way to incorporate uncertainty in the design procedure. Unfortunately, most geotechnical engineers are reluctant to adopt probabilistic techniques. The objective of this study is TABLE OF CONTENTS IV LIST OF TABLES XI LIST OF FIGURES XIII CHAPTER 1 INTRODUCTION 1.1 Overview 1.2 Objective and scope of the research 1.3 Outline of the thesis CHAPTER 2 LITERATURE REVIEW 2.1 Overview 2.2 Limit equilibrium analysis for reinforced embankment on soft ground 2.2.1 Conventional limit equilibrium methods of slices 2.2.1.1 Fellenius's method 2.2.1.2 Bishop's method 2.2.1.3 Janbu's method 12 2.2.1.4 Spencer's method 13 2.2.1.5 Morgenstern and price's method 15 2.2.1.6 General comments on the conventional limit equilibrium methods of slices 18 2.2.2 The semi-analytical method for stability analysis of reinforced embankment on soft ground 19 2.2.3 Tension crack 23 2.2.4 Considering the effect of reinforcement by conventional limit 25 ATTENTION: The Singapore Copyright Act applies to the use of this document. Nanyang Technological University Library-V-equilibrium methods of slices 2.3 Finite element analysis for reinforced embankment on soft ground 2.3.1 Undrained analysis 2.3.2 Coupled analysis 2.3.3 Summary of finite element analysis 2.3.4 Stability analysis for reinforced embankment on soft ground by finite element method 2.3.4.1 Strength reduction technique 2.3.4.2 Enhanced limit method 2.3.5 General comments on the stability analysis methods 2.4 Basic concepts of probabilistic stability analysis for slopes or embankments 2.4.1 Introduction 2.4.2 Spatial variability of soil properties 2.4.2.1 Quantifying spatial variability by autocovariance 2.4.2.2 Quantifying spatial variability by semivariogram 2.4.3 Monte Carlo simulation 2.4.4 Point estimate method 2.4.5 Mean-value first-order second moment method (MVFOSM) 2.4.6 The Hasofer-Lind approach 2.4.7 First-order reliability method (FORM) 2.5 Summary CHAPTER 3 BEHAVIOUR STUDIES OF UNREINFORCED AND REINFORCED EMBANKMENTS ON SOFT GROUND BY FINITE ELEMENT METHOD AND STABILITY ANALYSIS 3.1 Introduction 3.2 Unreinforced embankment on soft ground 3.2.1 Ground surface settlement of the unreinforced embankment 3.2.2 Lateral displacement ATTENTION: The Singapore Copyright Act applies to the use of this document. Nanyang Technological University Library-VI-3.2.3 Excess pore water pressure 3.2.4 Failure mechanism of the unreinforced embankment 3.3 Reinforced embankment on the soft ground 3.3.1 Effect of reinforcement on the ground surface settlement 3.3.2 Effect of reinforcement on the lateral displacement 3.3.3 Effect of reinforcement on excess pore water pressures within the embankment foundation 3.3.4 Distribution pattern of the reinforcement force 3.3.5 Effect of the reinforcement on the stability of the embankment 3.4 Stability ...

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Compare Analysis of Influence of Soil Property upon Geosynthetics Reinforcement Embankment

Yan

Zhou

Geosynthetics in Civil and Environmental Engineering

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Effect of reinforcement force distribution on stability of embankments

Cited by 18 publications

References 24 publications

Stability Analysis of Reinforced Slope Based on Limit Equilibrium Method

Stability Analysis of Reinforced Slope Based on Limit Equilibrium Method

Behaviour of reinforced embankment on soft ground and reliablity analysis

Compare Analysis of Influence of Soil Property upon Geosynthetics Reinforcement Embankment

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