rock slope stability calculation in limestones

Application Note - Slope Stability Analysis Worked Example

Application Note - Slope Stability Analysis Worked Example 4.3 Problem 2: Global stability with relict slip surface In this scenario, the presence of the relict slip surface was assumed. This was applied in the model by selecting all the Boundary lines between the Mudstone and Weathered Mudstone (Unshow the water table,, to facilitate

GEOSLOPE > Products > SLOPE/W > Features

SLOPE/W can also perform finite element stress-based stability and dynamic stability analyses. It uses finite element computed stresses from either SIGMA/W or QUAKE/W to calculate a stability factor by computing both total shear resistance and mobilized shear stress along the entire slip surface.

Rock Slope Stability Assessment of Limestone Quarry; An ...

The aim of this study is to investigate slope stability problems for heavily jointed karstic limestones in an aggregate quarry. ... Rock Slope Stability Assessment of Limestone Quarry; An Example ...

Kinematic Analyses of Different Types of Rock Slope ...

ascertain the degree of slope stability. Discontinuity orientations in the rock mass were mapped using compass clinometers. Kinematic analyses of the discontinuities were carried out using DIPS software. The results of the investigation revealed evidence of potential slope failures from the two joint sets identified in the study area.

SLOPE STABILITY ASPECTS AND PROTECTIVE TECHNIQUES ...

Rock bolts Jointed or sheared rock Prevent/treat sliding slabs ... Slope stability analysis Earth pressure. Rock-Pack calc. Safety factor (SF) calculation for a slope a) Without tension crack b) With a water-filled tension crack. Symbol Parameter Dimensions F Factor of …

1.0 ROCKFALL INTRODUCTION 2.0 CONTEXT SENSITIVE ...

2.0 CONTEXT SENSITIVE CONSIDERATIONS FOR ROCK SLOPES . 3.0 ROCKFALL TYPES AND CAUSES 3.1 Rockfall Type . ... 9.1 Rock Mass Stability Analysis 9.2 Rockfall Trajectory Analyses . ... The history of a particular slope or section of road can identify trends in rock slope failure, and most importantly, the rockfall occurrence and frequency. ...

Slope stability analysis - Wikipedia

Slope stability analysis is performed to assess the safe design of a human-made or natural slopes (e.g. embankments, road cuts, open-pit mining, excavations, landfills etc.) and the equilibrium conditions. Slope stability is the resistance of inclined surface to failure by sliding or collapsing. The main objectives of slope stability analysis are finding endangered areas, investigation of ...

An Overview on Methods for Slope Stability Analysis

static and dynamic stability of slopes of earth and rock-fill dams, slopes of embankments, excavated slopes, and natural slopes in . soil and soft rock. Various methods are available for slope stability analysis. This paper aims an overview on various methods of slope stability on the basis of assumptions, Factor of safety

Module 8 : Rock slope stability - NPTEL

Module 8 : Rock slope stability 233 . A simplified model consisting of a measured depth of water in the tension crack is shown in figure 6. It is assumed that the tension crack is …

Stability Modeling with SLOPE/W - GEO-SLOPE International

Stability Modeling with SLOPE/W An Engineering Methodology July 2012 Edition ... Consequently, slope stability software became available soon after the advent of computers. The introduction of powerful desktop personal computers in ... assisted graphical viewing of data used in the calculations makes it possible to look beyond the factor of ...

(PDF) Slope stability analysis of a limestone mine

PDF | This paper highlights the slope stability analysis of a limestone mine in Tamilnadu state, India. A critical evaluation of the slope has been carried out with the present pit limit of 60 m ...

The assessment of slope stability and rock excavatability ...

The assessment of slope stability and rock excavatability in a limestone quarry. The aim of this study is to evaluate the stability and excavatability of newly stripped rock slopes (slope 1 (SN–1), slope 2 (SN–2), and slope 3 (SN–3)) in a limestone quarry. ... The excavatability of the limestones was also assessed in association with the ...

Failure Modes in Rock and Soil Slopes | Slope Failure ...

Failure Modes Introduction. Slope failures are essentially natural hazards that occur in many areas over the world. Popularly known as landslides, slope failures describe a wide variety of mechanisms that cause the outward or downward movement of slope-forming materials like rock, soil or landfills.Landslide can result either from rock failure or soil failure.

Rock Slope Engineering - YouTube

Jun 22, 2016· Rock slope engineering involves the assessment of the risk of instability, the consequences of failure and remedial measures that can be taken in stabilizing rock …

Rock Slope Stability Assessment of Limestone Quarry; An ...

Abstract. The Cebeci Region is characterised by famous outcrops of Carboniferous Limestone which is mined out for aggregate production. The aim of this study is to investigate slope stability problems for heavily jointed karstic limestones in an aggregate quarry.

Rock Slope - an overview | ScienceDirect Topics

Stability analysis of a rock slope requires assessment of shear strength parameters, that is, cohesion (c) and angle of internal friction of the rock mass. Dilatancy in a rock mass is unconstrained near slopes as normal stress on joints is small due to weight of the wedge.

Stability Analysis of Rock Slopes using the Finite Element ...

4. Calculation of deformations at slope stress levels, and 5. Robustness – ability to perform successfully under a wide range of conditions. The factor of safety, F, in FE slope stability analysis (Duncan, 1996) is defined as Shear strength of material (soil or rock) F Shear strength required for equilibrium t t * == (1)

Chapter 7 Slope Stability Analysis - wsdot.wa.gov

Slope Stability Analysis Geotechnical Design Manual M 46-03 Chapter 7-4 December 2006 Slope Stability Analysis Detailed assessment of the groundwater regime within and beneath the slope is also critical. Detailed pieziometric data at multiple locations and depths within and below the slope …

Design of Overall Slope Angle and Analysis of Rock Slope ...

5. Stability Analyses of the Mine West Slope . 5.1. Introduction . Today, there are several methods for slope stability analysis, each has its own advantages and disadvantages. Numerical analyses methods are the most common ones that are used for rock and soil slope analyses. One of the software's that can analyze rock slope stability in a nu-

Slope Stability Project: MITS194 - nrc.gov

slope stability analyses is to identify site-specific critical slopes within the project site, and to characterize and assess the stability state of the critical slopes for both the static and seismic conditions. 2.0 SUMMARY OF RESULTS AND CONCLUSIONS This document provides discussions and results of slope stability analyses performed for the

15.1 Factors That Control Slope Stability – Physical Geology

15.1 Factors That Control Slope Stability Mass wasting happens because tectonic processes have created uplift. Erosion, driven by gravity, is the inevitable response to that uplift, and various types of erosion, including mass wasting, have created slopes in the uplifted regions.

11. THE STABILITY OF SLOPES - people.eng.unimelb.edu.au

Fig. 11.2 Culmann Aproach to Slope Stability 11.3 CULMANN METHOD A technique for the calculation of slope stability based upon the assumption of a plane surface of failure through the toe of the slope has been proposed by Culmann (see Taylor, 1948). In Fig. 11.2 the line QS represents a plane potential failure surface. The forces acting on the

Lecture 12: Slope Stability - Western Washington University

Lecture 12: Slope Stability . Key Questions. 1. How do "friction" and "cohesion" work together to stabilize slopes? 2. What is trying to "pull" slope material down? 3. How does the slope angle play a role in slope stability? 4. What is the "factor of safety" equation? ... Broken rock = …

The assessment of slope stability and rock excavatability ...

The assessment of slope stability and rock excavatability in a limestone quarry Kadir Karaman, Bayram Ercikdi, Ayhan Kesimal Department of Mining Engineering, Karadeniz Technical University, 61080, Trabzon, Turkey GEOTECHNICS The aim of this study is to evaluate the stability and excavatability of newly stripped rock slopes

Applying XFEM to Complex Rock Slope Stability

Jun 12, 2018· Our calculations show that for linear elements (i.e., three- and four-noded elements), only one (1) Gauss point is adequate to satisfy convergence. However, for higher-order elements, three (3) Gauss points should be employed in each sub-triangle. [2] Applying XFEM to rock slope stability …

Stability Analysis of Rock Slopes using the Finite Element ...

CALCULATIONS OF SLOPE FACTOR OF SAFETY The Shear Strength Reduction (SSR) technique of Finite Element (FE) slope stability analysis is a simple approach that involves a systematic search for a stress reduction factor (SRF) or factor of safety value that brings a slope to the very limits of failure.

Geotechnical Engineering: Slope Stability

FHWA NHI-06-088 6 – Slope Stability Soils and Foundations – Volume I 6 - 3 December 2006 6.1 EFFECTS OF WATER ON SLOPE STABILITY Very soft, saturated foundation soils or ground water generally play a prominent role in geotechnical failures in general. They are certainly major factors in cut slope stability and in

The assessment of slope stability and rock excavatability ...

The aim of this study is to evaluate the stability and excavatability of newly stripped rock slopes (slope 1 (SN–1), slope 2 (SN–2), and slope 3 (SN–3)) in a limestone quarry. These are new production sites with comparable geological formations along the southern part of the quarry where three ...