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Rock slope s ility calculation in limestones

  • (PDF) Rock Slope Stability Assessment of Limestone Hills

    Jan 01, 2017· Rock Slope Stability Assessment of Limestone Hills in Northern Kinta Valley, Ipoh, Per ak, Malaysia Geo. Behav.. 1(1)(2017) 22-26 on slope GR2 and GR4 for

  • PRELIMINARY GEOMECHANICAL ANALYSIS ON LIMESTONES

    Based on field observations, the slope angle in the area is dominated by steep slopes. The rock hardness level is dominated by hard rock with a hardness ranging from 50-100 MPa. Rock Mass Rating shows that the are a is dominated by good rocks. While the S lope Mass Rating calculation show that the maximum slope angle is between 52-75 ° .

  • Rock Slope Stability Assessment of Limestone Quarry; An

    Jan 04, 2015· The aim of this study is to investigate slope stability problems for heavily jointed karstic limestones in an aggregate quarry. Limestone quarries have turned into steep cliffs of bare rocks which threaten the safety of construction and have also negative influence on the

  • Groundwater monitoring of an open-pit limestone quarry

    Nov 01, 2018· The open-pit limestone quarry in this study is located in the mountainous region of Chichibu city in Saitama prefecture, Japan ().The quarry mainly consists of three rock strata: (1) limestone as a covering rock layer, (2) an interbedded layer of limestone and slaty greenstone underlying the covering rock, and (3) slaty greenstone as basement rock (Fig. 2a).

  • ANALYSIS BEHIND THE SLOPE STABILITY IN THE

    The results of the calculation of slope stability safety factors at the study site have different results, for Block T-03, slopes with an overall height of 21 m, the overall slope angle of 27 ° has a FK value = 1.502.

  • Rock mass classification for rock slope stability

    local practitioners working on rock slopes. As an example, recent case study on slope stability analysis of limestone cliff at Gunung Kandu, Gopeng by [21] highlight how the usage of SMR is significant for its quantification of rock slope stability in a practical method for large area of rock slope assessment.

  • Governing factors influence on rock slope stability

    Oct 01, 2019· Rock slopes fail by different modes of failures, these are plane, wedge, toppling and rock fall (Hoek and Bray, 1981, Hocking, 1976).The most common type of failure in rock slopes is plane mode of failure (Raghuvanshi, 2019).The stability of the slope, having potential plane mode of failure, depends on governing factors namely; slope inclination (α f), upper slope surface inclination (α s

  • PAPER OPEN ACCESS Study Effect of Geological Parameters of

    In open rock quarries, there are some important parameters such as the slope stability conditions, slope susceptibility, to plan optimum slope angles and possible failure mechanism for slope stability analyses. Also, rock mass properties (rock mass characteristics, geometry of slope and shear strength behaviour of the joints) effect the

  • Detailed Slope Stability Analysis Of Selected Slope Sites

    Keywords: - Slope Stability, DIPS, Kinematic Analysis, Sakesar Limestone, Chor Gali formation, Scan line survey I. INTRODUCTION Failures of rock slopes, both man-made and natural, include rock falls, overall slope instability and landslides, as well as slope failures in open pit mines. The consequence of such failures can range from direct

  • (PDF) Rock slope stability assessment of limestone quarry

    The aim of this study is to investigate slope stability problems for heavily jointed karstic limestones in an aggregate quarry. Limestone quarries have turned into steep cliffs of bare rocks which threaten the safety of construction and have also negative influence on the aesthetics in the Cebeci Region.

  • Theory of Slope Stability

    1. Theory of Slope Stability . In the lecture part of this course we will discuss a variety of methods of analysis of slope stability and instability. It is essential that the engineering geologist be intimately familiar with all of these methods because they provide ways of

  • (PDF) Rock Slope Stability Assessment of Limestone Hills

    Jan 01, 2017· Rock Slope Stability Assessment of Limestone Hills in Northern Kinta Valley, Ipoh, Per ak, Malaysia Geo. Behav.. 1(1)(2017) 22-26 on slope GR2 and GR4 for Gunung Rapat. There were two wedge failur es

  • Analysis of rock slope stability under rainfall conditions

    Dec 01, 2020· This study provided a feasible approach for more accurate analysis of rock slope stability under rainfall infiltration. To quantitatively analyse the influence of rainfall on slope stability, we attributed the influence of rainfall on slope stability to the change in pore pressure and the decrease in rock strength due to the effects of water-induced weakening.

  • Slope stability analysis in limestone mines

    In addition, Trivedi et al (2012) used FLAC/Slope to perform factor-of-safety calculation for slope stability analysis in limestone mines. Open Pit Slope Design of Ajabanoko Iron Ore Deposit

  • Bearing Capacity of Rocks

    (b) Rock with continuous joints with opening 1 to 5 mm wid fill d ithide filled with gouge 07t 050.7 to 0.5 (c) Limestone/ Dolomite deposit with major cavities filled with soil 0.66 to 0.5. Cavities: Major cavities inside limestone - 0.5 Slope and orientation of joints:

  • Rock Slope Stability Assessment of Limestone Hills in

    Feb 14, 2019· Rock Slope Stability Assessment of Limestone Hills in Northern Kinta Valley, Ipoh, Perak, Malaysia. Journal: Geological Behavior (GBR) Author: GOH THIAN LAI , AINUL MARDHIYAH MOHD RAZIB,NUR AMANINA MAZLAN, ABDUL GHANI RAFEK, AILIE SOFYIANA SERASA, NORBERT SIMON, NORAINI SURIP, LEE KHAI ERN4AND TUAN RUSLI MOHAMED.

  • SLOPE STABILITY - KSU

    Methodology of Slope Stability Analysis It is a method to expresses the relationship between resisting forces and driving forces Driving forces forces which move earth materials downslope.Downslope component of weight of material including vegetation, fill material, or

  • Stability Analysis of Limestone Quarry - Slope stability

    Oct 04, 2007· a preliminary method would be Romana's Slope Mass Rating (SMR), I applied it in situations similar to yours (albeit in smaller faces) with good results. Also, Rocscience 's Roclab, freeware, gives out a max height for a vertical face given a visual comparison to rock mass classes (GSI method, an evolution of Bjieniawski's RMR).

  • Slope stability and rock fall hazard assessment of

    condition assessment and stability calculations. Thus, this research provides an assessment of how RPAS can be used to create a surface model at hardly accessible sites. The paper also demonstrates the combined use of photogrammetric, 10 surveying, and engineering geological methods at difficult ground conditions in assessing rock slope stability.

  • (PDF) Rock Slope Stability Assessment of Limestone Hills

    The stability of the limestone cliff at Gunung Kandu, Gopeng, Perak, Malaysia was assessed based on the Slope Mass Rating (SMR) system on 53 cross sections of the Gunung Kandu hill slopes.

  • Geotechnical Design Parameters for Retaining Walls, Sound

    Stratum IV Decomposed/Weathered Rock Decomposed or weathered rock generally consists of material with SPT N60 values greater than 100 bpf, core recovery less than 85% and RQD less than 50%. In limestone formations, this stratum is difficult to differentiate from Stratum II as a sharp transition from soft overlying clay

  • A Systematic Approach of Rock Slope Stability Assessment

    paper was to evaluate the stability of Gunung Kandu (Figure 1), using the Slope Mass Rating (SMR) method as previously proposed by Romana (1985). The significance of this study is the quantification of rock slope stability which enables the relevant agencies to appreciate the urgency of the slope stability issue. MATERIALS AND METHODS

  • Rock Slope Design Guide - Ohio Department of

    FHWA-HI-99-007 (1998) which discusses geologic terms related to rock slope stability. 202.1 Rock Type The rock type is defined by the origin of the rock, which in Ohio is predominantly sedimentary. The

  • APPENDIX B GEOTECHNICAL ANALYSIS AND DESIGN OF

    Ground Anchors for Slope Stabilization (Draft Submission) Calculate allowable soil bearing pressure for concrete bearing elements for ground anchors using Brinch Hansen's bearing capacity formula for inclined ground surface. Analyze and design ground anchors for slope stabilization using slope stability analysis program "SLOPE-W".

  • rock slope stability calculation in limestones

    Friction, Cohesion, and Slope Stability - Springer. rocks. Owing to the significance in the prevention of disasters, slope stability has been the subject of . limestone have 0:70<m<0:75.

  • CHAPTER 15

    Rock Slope Stabilization and Rockfall Mitigation Techniques Rock Slope Rating System and Rockfall Database 15.2.1 Rock Slope Design When a rock slope is created by an excavation required by a new alignment, a realignment of an existing road, or when a rock slope is addressed for safety reasons, the parameters of the rock

  • [PDF] The assessment of slope stability and rock

    The aim of this study is to evaluate the stability and excavatability of newly stripped rock slopes (slope 1 (SN1), slope 2 (SN2), and slope 3 (SN3)) in a limestone quarry. These are new production sites with comparable geological formations along the southern part of the quarry where three planar failures were previously observed. For this reason, detailed fieldwork was performed to

  • Rock Slope Design Guide - Ohio Department of Transportation

    FHWA-HI-99-007 (1998) which discusses geologic terms related to rock slope stability. 202.1 Rock Type The rock type is defined by the origin of the rock, which in Ohio is predominantly sedimentary. The

  • (PDF) Investigation of rock slope stability for an

    PDF On Jun 6, 2016, V Kalpakci and others published Investigation of rock slope stability for an abandoned limestone quarry in Konya (Turkey) Find, read and cite all the research you need on

  • Estimating Rock Mass Strength - BM 1997 02

    University of Technology, concerning large scale slope stability in open pit mining. The project is aimed at developing a design methodology for large scale rock slopes, with special application to the Aitik open pit in northern Sweden. Financial support for the project is provided by Boliden Mineral AB.

  • (PDF) SENSITIVITY ANALYSIS AND SLOPE STABILITY RISK OF

    Earthquake factors have no effect on slope stability in limestone hills in Kaliwadas. 3.5. Back analysis using three-dimensional slope stability analysis Slope stability analysis using finite element method has been widely used, one of which is due to the ability to analyze displacement on slopes.

  • Design of Rock Slopes

    tion of the rock segments that will form the slope. Rock segment i.s the in-situ piece of rock that becomes the rockfall when it falls out of the slope. Knowledge of the struc­ ture of the rock is needed to define the attitudes and spacings of the planes that w.ill cut the rock within and at the surface of the slope and form the roclt segments.

  • (PDF) Slope stability analysis of a limestone mine

    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 to a

  • 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 (SN1), slope 2 (SN2), and slope 3 (SN3)) in a limestone quarry. These are new pro duction sites with comparable geological formations along the southern part of the quarry where three planar failures were previously observed.

  • Assessment of Rock Slope Stability in Limestone Quarries

    The Tournais region is characterised by famous outcrops of carboniferous limestone which is mined out for cement and raw material production. The four main quarries found in the Region, i.e. Gaurain-Ramecroix, Milieu, Antoing and Lemay; are owned by the three main cement producers in Belgium: Italcimenti, Holcim and CBR. The global production of limestone is about 20 millions tons per year

  • 11. THE STABILITY OF SLOPES

    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

  • AND DUNCAN C. WYLLIE ROCK SLOPE STABILITY ANALYSIS

    stability, and classical soil mechanics principles for slope stability analysis apply. These procedures are discussed in Chapter 13. 2. TYPES OF ROCK SLOPE FAILURES As shown in Figure 15-1, most rock slope failures can be classified into one of four categories depend-ing on the type and degree of structural control:

  • 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

  • The assessment of slope stability and rock excavatability

    Dec 01, 2013· Ceryan, N. (2009). Rock slope stability analyses by probability method and excavability in Tasonii limestone quarry (Trabzon). PhD Thesis, Karadeniz Technical University, Trabzon, Turkey, 185 pp. (in Turkish) Eberhardt, E.D. (2003). Rock slope stability analysis-utilization of advanced numerical techniques.

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