slope stability of limestone mines

PAPER OPEN ACCESS Numerical Modelling of Slope …

conditions). However, stability problems in open pit mines often involve complexities that are not easily treated by limit equilibrium methods. In this case, using numerical methods, such as the FEM and FDM, provides the engineer with the opportunity to conduct more comprehensive and sound slope stability analyses. The main advantage of

RMR and SMR as Slope Stability Preliminary Studies of ...

The assessment of slope stability and rock excavatability ...

Slope Stability Analysis for Mine Hazard Assessment Using ...

2021-2-19 · Slopes in open-pit mines are excavated to the steepest feasible angle for maximum profits, which involves a great risk of failure. Unmanned Air Vehicles (UAV) are emerging as new technology to provide information at a high spatial resolution which leads to fast and accurate qualitative results that can be used for stability analysis. The acquired images from the UAV flight plan are processed ...

Slope stability in opencast mines and quarries

2018-10-16 · Slope stability in opencast mines and quarries. Contents 1 Introduction 1 2 Terminology 2 Types of slope/ground failure 2 Planar failure 3 Wedge failure 4 Toppling failure 5 Circular failure 6 3 Controls for ground failure 7 Catch bunds 8 Exclusion zones 9 4 Design of benches and faces 10

(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 …

Stability Assessment of High and Steep Cutting Rock Slopes ...

2021-4-20 · The stability of high rock slopes has become a key engineering geological problem in the construction of important projects in mountainous areas. The original slope stability probability classification (SSPC) system, presented by Hack, has made obvious progress and been widely used in rock slope stability analysis. However, the selection and determination of some evaluation indexes in …

Slope Stability Issues in the Opencast Limestone and Iron ...

The practical approach to slope stability is guided by the basic geological data, geo-technical characteristics of the slope mass, ground water details and a good measure of engineering judgment. The paper presents in brief the slope stability studies conducted by the author indifferent Indian opencast mines in limestone and iron ore sectors.

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

2015-1-4 · 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 …

rock slope stability calculation in limestones

2021-8-2 · stability analysis of southern slope of chenmenshan open pit copper ... Jul 29, 2013 ... analysis. Slope stability analyses using limit equilibrium and numerical showed that the safety factors of some ... largely by rock mass, joints and fissures and blasting ... The slope of the deep limestone, altered limestone and. Read more

Effects of Tectonic Stresses and Structural Planes on ...

2019-3-13 · g3), black limestone (T 2 g2) and mudstone-argillaceous limestone (T 2 g1). The west slope of the mine has a weak clay rock foundation. In 1992, a crack appeared on the top of the west slope and the length of the crack has since developed year by year. In July 2009, the average displacement of monitoring points on the west slope was 430 mm, the ...

(PDF) Study Effect of Geological Parameters of the Slope ...

Conclusions In this paper the modelling of stability slope in career limestone Lafarge was studied using three different numerical software packages: FLAC (finite difference), Plaxis (finite elements) and Slide (limit equilibrium) through effect of tensile cracks in layer of marl in two cases dry and drained In terms of SF, all three software ...

The assessment of slope stability and rock excavatability ...

2016-10-27 · The slope stability analysis of rocks is vital for designing safe slopes in open–pit mines. A proper slope design not only leads to improvements in slope stability and safety but also reduces costs, extends the life of mines and decreases the stripping ratio (Bye and Bell, 2001, Naghadehi et al., 2011).

Slope Stability Analysis for the Design of a New Lignite ...

2017-1-1 · In the paper slope stability analyses for the design of a new mine in Zloczew are described. The preliminary design project of this mine was realized in 2014 by Poltegor-Institute [2]. The exploitation of lignite layers in a deep tectonic rift will require mining of large volume of limestone and marl rocks located on the south slope.

RMR and SMR as Slope Stability Preliminary Studies of ...

2016-10-12 · Most Rajamandala Limestone mining is performed in open-pit. Slope stability is often a major issue in an open-pit mine. The stability of the open-pit mine slope must be maintained so as not to disrupt the mining process. Rock Mass Rating (RMR) has been widely used as a method of classifying the strength of the rock mass.

(PDF) Three dimensional slope stability analysis of open ...

In order to expand the mine to the north, it is necessary to do the slope stability analysis of its slope design. It has been stated in Azizi et al (2018) that for a single bench of each lithology ...

FLOODING ANALYSIS AND SLOPE STABILITY …

2010-7-21 · FLOODING ANALYSIS AND SLOPE STABILITY ASSESSMENT DUE TO A CONFINED AQUIFER IN THE ELBĠSTAN-ÇÖLLOLAR OPEN CAST MINE Yoncacı, Selin M.Sc., Department of Mining Engineering Supervisor: Assoc. Prof. Dr. Levent Tutluoğlu December 2009, 106 pages Groundwater can be a critical issue to be considered in civil engineering, mining

ANALYSIS BEHIND THE SLOPE STABILITY IN THE …

The stability of a slope in mining activities is influenced by geological conditions, the overall shape of the slope, groundwater conditions, external factors such as vibration due to blasting or operating mechanical devices and also from excavation techniques used in making slopes. A common way to express stability on the mining

Assessment of Rock Slope Stability in Limestone Quarries ...

2004-4-21 · Tu JP., Deloge K.PA., Deschamps B., Coudyzer C. Assessment of Rock Slope Stability in Limestone Quarries in the Tournai''s Region (Belgium) Using Structural Data. In: Hack R., Azzam R., Charlier R. (eds) Engineering Geology for Infrastructure Planning in Europe. Lecture Notes in Earth Sciences, vol 104.

Measurement of local stress and estimation of regional ...

2000-12-1 · Also, the procedure for estimating rock slope stability has been discussed, based on the state of stress at the present excavation level calculated by the 3-D finite element method with the boundary conditions of the determined regional strain. Firstly, the role of rock stress measurement for the limestone open-pit mine was discussed.

Slope stability analysis in Limestone mines

This study was carried out to assess the slope stability in Bamangaon and Mehgaon limestone mines of ACC, India. Bamangaon and Mehgaon mines are worked by mechanized opencast method with the shovel-dumper combination. The bench height at these mines is maintained at 15-20m with a width of 20-25m where overall slope angle varies from 7° to 30°.

UDEC-based stability analysis of jointed bedding slope …

2021-1-12 · On-site supplementary investigation and experiments of Tanjiashan Limestone mining area On-site engineering geological survey Rock mechanics tests Topography Geological discontinuities Rock formations & structure Rock mechanical properties tests Joint material mechanical properties test UDEC-based overall slope stability analysis (before and ...

Slope stability analysis of a limestone mine

2Engineering Geology, National Institute of Rock Mechanics, Bengaluru, India ABSTRACT: This paper highlights the slope stability analysis of a limestone mine in Tamilnadu state, India. A critical...

PAPER OPEN ACCESS Study Effect of Geological …

The slope stability analyses in open pit mine or quarry using the geological, structural, material property and hydrogeological information that has been brought together in the geotechnical model. The fundamental objective of the slope design process is to enable a safe and economic design for the

Slope stability analysis in limestone mines

Download Citation | On Jan 1, 2012, R Trivedi and others published Slope stability analysis in limestone mines | Find, read and cite all the research you need on ResearchGate

PAPER OPEN ACCESS Three dimensional slope stability ...

2020-4-7 · Three dimensional slope stability analysis of open pit limestone mine in Rembang District, Central Java To cite this article: M A Azizi et al 2018 IOP Conf. Ser.: Earth Environ. Sci. 212 012035 View the article online for updates and enhancements. This content was downloaded from IP address 207.46.13.73 on 07/04/2020 at 15:43

Slope stability analysis of Southern slope of Chengmenshan ...

2015-3-1 · 1. Introduction. As the mining methods turning from open pit mining to sag by mining, vertical height of open-pit mine slope continues to increase the slope deformation and failure mode has close relationship with regional geological structure characteristics and the rock mass structures feature,,, .The stability is influenced largely by rock mass, joints and fissures, and blasting vibration .

Evaluation of Slope Stability in Open Pit Mine and its ...

Obajana Limestone Mine is operated by Obajana Cement Plc, the largest cement company in West Africa. The mine is located in Obajana town 49km North-West of Lokoja, Kogi State, Nigeria within the Igara-Kabba-Lokoja Schist belt with coordinates N070 55l 00ll and E060 261 0011. An assessment of the mine pit slope face was carried out in order to evaluate bench slope stability conditions with a ...

Slope Stabilisation and Landslide Management

Advice for optimum slope design of Baga-Bhalag Limestone mine, Solan, Himachal Pradesh, Ultratech cements Limited. Ultratech Cements Limited : 19: Advice on slope stability of three pits of Bacheli complex of Bailadilla Iron Ore Mines, NMDC. National Mineral Development Corporation Limited: 20

Stability analysis of the sliding process of the west ...

2016-9-1 · Cracks first appeared at the west slope of the Buzhaoba Open-Pit Mine early in 1992 and has been developing yearly ever since. In July 2009, the displacements of the west-slope monitoring points were all between 430 and 1400 mm, with an average daily deformation velocity of over 14 mm/d and maximum monthly displacement of 1400 mm.The deformation accelerated, and the stability of the west slope ...

Prediction of Material Volume of Slope Failure in Nickel ...

PT X had an accident of slope failure that caused fatalities and injuries experienced by labor mining, and also some heavy mining equipments buried by materials that causing companies got financial loss. therefore important to analyze the slope stability of surface mining operation, and predicting total volume of slope failure to anticipate the ...

Risk analysis of limestone open pit mine slope stability ...

Risk analysis of limestone open pit mine slope stability in Rembang district, Indonesia 228 M.A. Azizi, I. Marwanza, N.A. Hartanti & A. Anugrahadi Assessment of surface subsidence hazard using ...

RMR and SMR as Slope Stability Preliminary Studies of ...

2016-10-12 · Most Rajamandala Limestone mining is performed in open-pit. Slope stability is often a major issue in an open-pit mine. The stability of the open-pit mine slope must be maintained so as not to disrupt the mining process. This paper aimed to perform how to correlate rock mass observations data from field to RMR and SMR and use it as mining slope ...

Slope stability analysis in limestone mines | Semantic Scholar

Slope stability analysis in limestone mines @article{Trivedi2012SlopeSA, title={Slope stability analysis in limestone mines}, author={R. Trivedi and V. Vishal and S. P. Pradhan and T. Singh and J. C. Jhanwar}, journal={International journal of Earth Sciences and Engineering}, year={2012} } R. Trivedi, V. Vishal, +2 authors J. C. Jhanwar

Stability Analysis of Limestone Quarry

 · Slope stability engineering Forum; Stability Analysis of Limestone Quarry. thread260-198367 ... I suggest that a firm with rock or mining engineering experience be retained to analyze the stability of the quarry walls. ... consultant retained Chuck Brawner as a specialist consultant for analyzing and making recommendations for the stability of ...

(PDF) Rock slope stability assessment of limestone quarry ...

Rock Slope Stabılıty Assessment of Limestone Quarry; An Example From Istanbul Cebeci Region, Turkey Murat Yılmaz1, Atiye Tugrul1, Selman Er1, Altay Ertin2, Nuray Tokgöz3, Ersin Arel4 1 Department of Geological Engineering, Istanbul University, Istanbul, Turkey 2 Geo-Net Engineering & Consulting, Farabi Sk. 13/5, Ankara, Turkey 3 Department of Mining Engineering, Istanbul University ...

10. A case study of slope failure in a limestone quarry ...

1986-2-1 · Abstract. This is the report of a slope failure that occured on 20th September, 1973 at Kagemori limestone quarry, Saitama prefecture near Tokyo, Japan, and the back analysis of the slide mechanisms. In June 1972, small but continuous cracks were observed on one of the slopes of this quarry. These cracks developed and branched gradually.

LIMESTONE OPEN PIT MINING EXCAVATION SLOPE …

2014-11-6 · In the open pit mine limestone, particularly which is managed by the priority, design and slope stability is often not analyzed. However the slope stability problem in an open pit mine is a very important issue because it involves risks of human''s, mining equipment, and other infrastructure safety which is located around the quarry slopes. T

GEOTECHNICAL STUDY AND OPTIMUM SLOPE DESIGN AT …

【Abstract】 <>The paper deals with geotechnical study and slope stability analysis of the final slope at Lanjibema Limestone open cast mine.The opencast mine is located in the Orissa state of India is characterized by top soil,dolomite,dolomitic limestone and limestone.The mining equipments being used are dumpers and shovels.

Estimation of rock mass mechanical parameters of an …

therefore, slope stability associated with open-pit mining has become a serious issue threatening the entire mining area (Hakan et al., 2013). The issue of slope stability in open-pit mining substantially concerns the selection of mechanical parameters of slope rock mass, but the inhomogeneity and