For riprap installations, normally the maximum recommended face slope is 1v. A comprehensive guide for mining and construction engineers responsible for rock slope stability. New stability calculation method for rock slopes subject. Slope stability hazards in mining open pit mining creates the highest manmade rock faces on earth presenting slope stability hazards. Therefore, detailed information of the discontinuity properties such as dip angle, strike, dip. The design engineer and the regulator must be familiar with the concepts to choose the best design at the lowest cost. Salari, 2008, seismic slope stability analysis of jointed rock masses on northern abutment of gotvand dam. Rock slope stability analysis caribbean environment programme. A pdf file is a portable document format file, developed by adobe systems.
Financial support for the project is provided by boliden mineral ab. Review of surface mine slope monitoring techniques springerlink. Lng plants site investigation geology geom21 slope stabilisation options waltham, 2009. Standard practice within the solid waste industry is to use peak shear strength parameters for base. 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. Rock slope stability and the design of the appropriate slope angle is extremely important for surface mining in these difficult economic times. Mahboubi, 2008, probability limit equilibrium and distinct element modeling of jointed rock slope at northern abutment of gotvand dam, iran, 10th international symposium on landslides and engineered slopes, xian, china 4 a. Based on our analysis, the section satisfies the minimum factor of. In planar failure the mass progresses out or down and out along a more or less planar or gently undulating. Slide2 most comprehensive 2d slope stability software.
One of the softwares that can analyze rock slope stability in a nu. Most electronic documents such as software manuals, hardware manuals and ebooks come in the pdf portable document format file format. If the failure mechanism of slope is not controlled by the discontinuities, the continuous numerical methods can be used to perform the rock slope stability analysis, which includes finite element. One of the fun things about computers is playing with programs like paint. Slope stability analysis is performed to assess the safe design of a humanmade or natural slopes e. Jun 01, 2018 under the influence of external forces, these cantilever slabs deform and even fail via tensile or shear failure modes. The slope strertgth is not merely a function of the strength of the rock constituents, but is limited primarily to the strength of the weakest structural feature andor lithologic member along which ground movement is unrestrained in the slope. They are certainly major factors in cut slope stability and in. Society for mining, metallurgy, and exploration, isbn 0873351711.
Fhwa nhi06088 6 slope stability soils and foundations volume i 6 3 december 2006 6. It is shown in this report that some of the most important types of geotechnical information for rock slope stability that is currently being collected by hand can be acquired from lidar point clouds and associated digital images. Society for mining, metallurgy and explorations inc, englewood, p 252 lofgren be 1969 land subsidence due to the application of water. Evaluating techniques for monitoring rock falls and slope.
This book focuses on rock slope stability, with sections on geological data. Rock slope stability analysis has been used for decades in monitoring exposed rock slope to evaluate their potential hazard. These analyses are often completed using slope stability charts and the dsara deterministic stability analysis for road access slope stability program. Pdf a new openpit mine slope instability index defined using. The evolution of their text, from rock slope engineering to a manual on rock slope. Site investigation geology geom21 week 12 solving engineering geology problems water in slopes. Numerical analyses methods are the most common ones that are used for rock and soil slope analyses. This article explains what pdfs are, how to open one, all the different ways. This book focuses on rock slope stability, with sections on geological data collection. Rock slope stability analysis based on terrestrial lidar.
In this study, songwe openpit mine in malawi was investigated to establish possible pit slope instability. Rock slope stability analysis by using integrated approach. Slope stability hazard assessment and mitigation methodology. Most slope stability analysis computer programs are based on the limit equilibrium concept for a twoor threedimensional model. The mechanical behaviour of rock masses is determined by the geometry of the slopes and the discontinuity properties. Rock slope stability assessment by using kinematic analysis and slope mass rating at bandar seri alam, johor. The new yahoopowered ads for adobe pdf service makes it easy to place payperclick ads in your pdf files. Rock slope stability download ebook pdf, epub, tuebl, mobi. In a recent major highway cut slope failure, for example, the. Engineering geology of rock slopes in highway construction. An oversized pdf file can be hard to send through email and may not upload onto certain file managers. Conventional methods of slope stability analysis can be divided into three groups. Based on rock mass classification system, songwe hill carbonatite rock.
Today, there are several methods for slope stability analysis, each has its own advantages and disadvantages. Pdf a new mine slope instability index msii to assess the in stability conditions of slopes in openpit mining is presented. Small rockfalls, which may involve handsized rocks weighing only a few. It describes the basic rock slope failure modes and methods of analysisboth kinematic and kinetic. According to the stability and failure mechanisms, a rock slope subject to flexural toppling is divided into three parts from the crest to the toe. Slope stability analysis is a static or dynamic, analytical or empirical method to evaluate the stability of earth and rock fill dams, embankments, excavated slopes, and natural slopes in soil and rock. Additionally, software has been created under a niosh. Whether youre involved in surface mine design or production, construction, education, or regulation, this is an important new book for your library. Charles a kliche rock slope stability free download pdf kupdf. The assessment of slope stability and rock excavatability in. This includes detailed information about rock discontinuity orientation, roughness, length, spacing and block size. To combine pdf files into a single pdf document is easier than it looks. We have performed a slope stability analysis at the critical section of the proposed retaining wall alignment.
Rs3 formerly rs 3 is designed for 3d analysis of geotechnical structures for civil and mining applications. Rock slope stability and the design of the appropriate slope angle are extremely important for surface mining in these difficult economic times. Dykes and sills are yet other geological structures that can be important in rock slope engineering works. Click download or read online button to get rock slope stability book now.
Rs3 3d finite element software for advanced analysis. Rocscience provides industryleading geotechnical software for analyzing soil and rock slopes. Luckily, there are lots of free and paid tools that can compress a pdf file in just a few easy steps. The stability condition of slopes is a subject of study and research in soil mechanics. While less than 1% of reported accidents are associated with slope stability problems, slope failures were responsible for about 15% of all u. Rock slope engineering civil engineering i am menglim. If your scanner saves files as pdf portbale document format files, the potential exists to merge the individual files into one doc. External loading, groundwater and support can all be modeled in a variety of ways. A systematic approach of rock slope stability assessment.
Complete graphical results of the slope w 2d slope stability analyses showing slope configuration, piezometric surfaces, factors of safety, and failure surfaces are presented in appendix a figures a1 through a12. The paint program can help you make new image files, but it cannot open document or pdf file. During blasting the explosion gases will force their way out of the rock mass via the karstic discontinuities rather than by breaking intact rock or by following discontinuities to the next. In an effort to make up for the shortcomings of point monitoring systems, niosh is examining new technology for slope monitoring that will look at the entire surface of the mine highwall for rock mass displacement and rock mass composition girard, 1998. Stability analysis of anchored rock slopes against plane. Slope failure develops when the slope stress exceeds the slope strength. Pdf rock slope stability assessment by using kinematic.
Pdf is a hugely popular format for documents simply because it is independent of the hardware or application used to create that file. 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. Rock slope stability charles a kliche whether youre involved in surface mine design, surface mine production, construction, education, or regulation, this is an important book for your library. Geotechnical engineering practice con4348 page 4 of 48 63 basic mechanics of from con 4348 at hong kong institute of vocational education tsing yi. Pdf a holistic open pit mine slope stability index using artificial. Pdf stability analysis of a rock slope in himalayas. Applicable for both rock and soil, rs3 is a generalpurpose finite element analysis program for underground excavations, tunnel and support design, surface excavation, foundation design, embankments, consolidation, groundwater seepage and more. Slope stability analysis based on rock mass rating. Detailed assessment of the groundwater regime within and beneath the slope is also critical. Slide2 is simple to use, and yet complex models can be created and analyzed quickly and easily. A pdf portable document format is a widely popular type of document format created by adobe.
This means it can be viewed across multiple devices, regardless of the underlying operating system. Eberhardt, erik 2003, rock slope stability analysis utilization of advanced numerical techniques pdf, vancouver, canada. Slope stability refers to the condition of inclined soil or rock slopes to withstand or undergo movement. University of technology, concerning large scale slope stability in open pit mining. Earth and ocean sciences, university of british columbia. Slope stability is the resistance of inclined surface to failure by sliding or collapsing.
Excavation of rock initiates a reaction of movements in the rock mass. Small rockfalls, which may involve handsized rocks weighing only a few kilograms, can cause fatal injuries to workers away from the. Charles kliche, society for mining, metallurgy, and exploration, inc sme. Review of surface mine slope monitoring techniques. Design of overall slope angle and analysis of rock slope. Slope stability assessment lot 3 on rp837881, 318 thirkettle avenue, frenchville 3. Detailed pieziometric data at multiple locations and depths within and below the slope will likely be needed. In performing the analysis, an integrated approach entailing rock mass characterisation, kinematic and numerical methods were applied. Slope stability analysis geotechnical design manual m 4603 chapter 74 december 2006 slope stability analysis. I paid for a pro membership specifically to enable this feature. It is shown that the dynamic resistance of a threedimensional rock slope can be calculated by either the graphicstereonet method or the analytic vector analysis method. Society for mining, metallurgy, and exploration format available. The dynamic stability of slopes is also treated in this report. The slope stability analysis of rocks is vital for designing safe slopes in openpit mines.
Adobe systems is a software manufacturer that has created many document and multimedia editing programs. Slide2 formerly slide is a 2d slope stability program for evaluating the safety factor or probability of failure, of circular and noncircular failure surfaces in soil or rock slopes. By richard morochove, pcworld practical it insight from tony bradley todays best tech deals picked by pcworlds editors top deals. Detailed examples are given to illustrate both the graphical and vector methods of analysis. Typical rock slope failures after kliche 1999 there are four general modes of slope failure. Open pit mines are associated with largescale rock slopes, which. Rock slope stability analysis, p giani, 1992 pdftxt pdfcookie. New stability calculation method for rock slopes subject to. Stability charts for rock slopes based on the hoekbrown. Slope stability hazard assessment and mitigation 167 presence of these filled sinkholes during excavation, have an adverse effect on the slope stability.
Society for mining, metallurgy, and exploration, inc. Slopes can present a hazards to assets personnel, equipment, ore reserves 3. He specialises in underground rock engineering investigation and design, with expertise in numerical modelling, selecting mining methods, designing excavations, investigating shaft stability and geotechnical risk, while providing. Depending on the type of scanner you have, you might only be able to scan one page of a document at a time. Mine rock area attachment 2 mra slope stability assessment september 2018 tc170312 page 1 1. If your pdf reader is displaying an error instead of opening a pdf file, chances are that the file is c. The design of too flat of a highwall angle means considerable additional mining costs. This site is like a library, use search box in the widget to get ebook that you want. You can use the tools in paint to add something to a different document. The main objectives of slope stability analysis are finding endangered areas, investigation of. Assessment of groundwater conditions in the rock discontinuities, as is true of any slope, is also critical to the assessment of stability 01, 28, 32, 49, and 40. Geotechnical engineering practice con4348 page 4 of 48 63. 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.
Since 2009 armin roduner is the head of geotechnical engineering at geobrugg ag in romanshorn, switzerland responsible for all the slope stabilization projects worldwide. Overview of some geological hazards in the saudi arabia. Small rockfalls, which may involve handsized rocks weighing only a few kilograms, can cause fatal injuries to workers away from the protection of large. The probabalistic sara stability analysis for road access program is still under development. By michelle rae uy 24 january 2020 knowing how to combine pdf files isnt reserved. Slope stability assessment is an essential aspect of mining and civil engineering. Read on to find out just how to combine multiple pdf files on macos and windows 10. Benjamin paul geological engineering investigation of roc. Rock slope stability analysis based on terrestrial lidar on. Pdf file or convert a pdf file to docx, jpg, or other file format.
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