Stability analysis of rock slopes with a modified Hoek–Brown failure criterion

Xiao, Yang; Li, Liang; Yin, Jianhua

doi:10.1002/nag.330

Cited by 78 publications

(31 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Many researchers have focused on problems of the stability of rock slopes even in the recent past (Nawari et al 1997;Yang et al 2004;Jimenez-Rodriguez et al 2006;Yang and Zou 2006;Low 2007;Li et al 2008). The problems of rock slope stability analysis have also been discussed in many books related to rock engineering (Hoek and Bray 1981;Goodman 1989;Wyllie and Mah 2004;Hoek 2007).…”

Section: Introductionmentioning

confidence: 98%

Effect of Surcharge on the Stability of Anchored Rock Slope with Water Filled Tension Crack under Seismic Loading Condition

Shukla¹,

Khandelwal²,

Verma³

et al. 2009

Geotech Geol Eng

View full text Add to dashboard Cite

In this paper, an analytical expression is derived for the factor of safety of the rock slope incorporating most of the practically occurring destabilizing forces as well as the external stabilizing force through an anchoring system. The slope stability is analyzed as a two-dimensional problem, considering a slice of unit thickness through the slope and assuming negligible resistance to sliding at the lateral boundaries of the sliding block. A detailed parametric study is presented to investigate the effect of surcharge on the stability of the rock slope for practical ranges of governing parameters such as inclination of the slope face, inclination of the failure plane, depth of tension crack, depth of water in tension crack, shear strength parameters of the material at the failure plane, unit weight of rock, stabilizing force and its inclination, and seismic load. For the range of parameters considered in the present study, it is found that the factor of safety of the rock slope decreases with increase in surcharge; the rate of decrease being relatively higher for lower values of surcharge. It is also observed that for a specific surcharge, the factor of safety depends significantly on all other parameters, except for unit weight of rock and higher values of inclination of stabilizing force to the normal at the failure plane. For any combination of these variables, the surcharge plays a vital role in the stability. A perfectly stable slope at relatively low surcharge can become unsafe with the increase in surcharge. The deterioration in the stability can be quite rapid, depending on the combination of the factors under consideration. The analysis and the general expression proposed herein can be used to carry out a quantitative assessment of the stability of the rock slopes.

show abstract

Section: Introductionmentioning

confidence: 98%

Effect of Surcharge on the Stability of Anchored Rock Slope with Water Filled Tension Crack under Seismic Loading Condition

Shukla¹,

Khandelwal²,

Verma³

et al. 2009

Geotech Geol Eng

View full text Add to dashboard Cite

show abstract

“…At the same period, Drescher and Christopoulos [19] proposed a similar technique for the general nonlinear criterion proposed by Zhang and Chen [15]. Yang et al [20,21] extended the work of Collins et al [18] to the case of materials obeying the Hoek-Brown criterion and proposed the "generalized tangential technique". In their work, the stability factor is calculated from the critical height obtained using the upper bound limit analysis N  = γ. H  (s . .…”

Section: Introductionmentioning

confidence: 99%

“…σ  ) ⁄ . Unlike Collins et al [18], Yang et al [20,21] do not use the linear stability factor previously calculated by Chen [1].…”

Section: Introductionmentioning

confidence: 99%

Seismic stability analysis of rock slopes by yield design theory using the generalized Hoek-Brown criterion

Belghali

Saada

2018

MATEC Web Conf.

View full text Add to dashboard Cite

Abstract. The stability of rock slope is studied using the kinematic approach of yield design theory, under the condition of plane strain and by considering the last version of the Hoek-Brown failure criterion. This criterion, which is suitable to intact rock or rock mass highly fractured regarded as isotropic and homogeneous, is widely accepted by the rock mechanics community and has been applied in numerous projects around the world. The failure mechanism used to implement the kinematic approach is a log-spiral rotational mechanism. The stability analysis is carried out under the effects of gravity forces and a surcharge applied along the upper plateau of the slope. To take account of the effects of forces developed in the rock mass during the passage of a seismic wave, the conventional pseudo-static method is adopted. This method is often used in slope stability study for its simplicity and efficiency to simulate the seismic forces. The results found are compared with published numerical solutions obtained from other approaches. The comparison showed that the results are almost equal. The maximum error found is less than 1%, indicating that this approach is effective for analyzing the stability of rock slopes. The relevance of the approach demonstrated, investigations are undertaken to study the influence of some parameters on the stability of the slope. These parameters relate to the mechanical strength of the rock, slope geometry and loading.

show abstract

“…The Hoek-Brown (HB) strength criterion [1][2][3][4][5][6][7] is one of the most commonly used criteria in the area of underground mines and rock tunneling design [8], stability analysis of rock slopes [9], estimation of the bearing capacity of the rocks [10] and so on. The reasons of its popularity are its feasibility specially developed for intact rock and jointed rock masses, the advantage of less input data derived from the uniaxial compression strength testing, mineralogical examination and characterization of the rock discontinuities, as well as 30 odd years successful application experience in rock engineering.…”

Section: Introductionmentioning

confidence: 99%

A new three-dimensional Hoek-Brown strength criterion

Jiang

Xie

2012

Acta Mech Sin

View full text Add to dashboard Cite

The Hoek-Brown (HB) strength criterion has been widely applied to the estimation of strength of intact rock and rock mass, while evolving ever since. However, negligence of the effect of the intermediate principal stress still remains in the criterion's latest version. At the same time, several three-dimensional (3D) HB strength, which can takes into account the influence of the intermediate principal stress, have already been proposed, among which the 3D HB criterion proposed by Zhang and Zhu seems to be the most reasonable one. However, the Zhang 3D HB criterion may have problems with some stress path close to triaxial extension state because of the non-convexity characteristic of its failure surface. In this paper, a new 3D HB strength criterion is presented based on a generalized form of the HB criterion, which also considers the effect of the intermediate principal stress and inherits all the merits of the original version of the HB criterion. In addition, this new criterion can remedy to some extent the shortcomings observed in the Zhang 3D HB criterion. Polyaxial tests for five different rocks from published literatures are used for evaluating this new criterion and comparing it with the Zhang 3D HB criterion. The results show that this new criterion may over-predict or underpredict the polyaxial strength of rocks but the errors are relatively small, and similar results are also found for the Zhang 3D HB criterion, which one is better depends on the type of the rock under estimation.

show abstract

Stability analysis of rock slopes with a modified Hoek–Brown failure criterion

Cited by 78 publications

References 13 publications

Effect of Surcharge on the Stability of Anchored Rock Slope with Water Filled Tension Crack under Seismic Loading Condition

Effect of Surcharge on the Stability of Anchored Rock Slope with Water Filled Tension Crack under Seismic Loading Condition

Seismic stability analysis of rock slopes by yield design theory using the generalized Hoek-Brown criterion

A new three-dimensional Hoek-Brown strength criterion

Contact Info

Product

Resources

About