Kinematic analyses of sliding and toppling failure of double free face. The graphical method involves the use of a stereonet, which is a twodimensional. The present study deals with the kinematic analysis of joint orientation data gathered from. Michalowski a stability analysis of slopes based on a trans lational mechanism of failure is presented. The kinematic approach of limit analysis is explored in threedimensional 3d stability analysis of slopes. Kinematic analyses of different types of rock slope.
Salvini and francioni 70 carried out a form of kinematic backanalysis using the 75 joint attitudes to identify the areas on the slope that could be affected by future failures. Kinematic analysis is a geometric method, which employs. Automated kinematic analysis of rock slope stability sciencedirect. Kinematic analysis of discontinuities relative to the slope face, using stereographic methods to assess potential planar, wedge and topple type failures. One of the most widely used and adequate method is slope mass rating smr technique 8,9. This thesis investigates the threedimensional influence of discontinuity sets and topography on kinematics of rock slope stability and failure mechanisms. Slope stability, kinematic analysis, critical zone, failure mode.
While many cracks may be present in a slope, the failure mechanism typically involves one crack, whose location has the most adverse influence on stability. Rock slope stability of the vmt prince william sound. Kinematic analysis one of the first things you will notice is the new kinematic analysis option for rock slope stability analysis. In the lecture part of this course we will discuss a variety of methods of analysis of slope stability and instability. Kinematic analyses of planar discontinuity sets in a limestone deposit in western nigeria were carried out to ascertain the degree of slope stability. They are certainly major factors in cut slope stability and in the stability of fill slopes involving both internal and external slope failures.
Kinematic analyses of different types of rock slope failures in a. Kinematic analyses of sliding and toppling failure of. Smr is based on the rock mass rating rmr technique given by bieniawski 10,11. Usually kinematic analysis by utilizing stereographic projection method is carried out before performing detailed study in nearly all slope stability analyses 22, 2. This site is like a library, use search box in the widget to get ebook that you want. Probabilistic analysis of slope stability towards the slip by the kinematic method. Kinematic of rigid solid, concept statisticprobabilist, fiability, bank, coherent soil, failure, slope 1.
Continuous slope mass rating for the assessment of slope stability. Stability evaluation of slopes using kinematic and limit. Rock slope engineering civil engineering i am menglim. Pdf rock mass rating and kinematic analysis for slope.
Kinematic analysis is a very useful method to understand types of failure by using discontinuities and joints orientations 14 15. A thesis submitted to the school of graduate studies in partial fulfilment of the. Seismic stability analysis of soil nail reinforced slope. You can quickly and easily evaluate the potential for planar sliding, wedge sliding, flexural toppling and direct toppling failure modes. Geotechnical engineers are often interested in the factor of safety fs, which is a quantitative measure of the stability of a slope.
Kinematic analysis of seismic slope stability with a discretisation technique and pseudodynamic approach. The kinematic analysis was carried out using dips 5. Slope stability, dips, kinematic analysis, sakesar limestone, chor gali formation, scan line survey. Determine joint sets, perform kinematic analysis of slope stability, and more in this multipurpose tool. Conventional methods of slope stability analysis can be divided into three groups. Kinematic analysis was also employed to identify the potentially unfavourable planes. This probability is given in the context of the attitude of slope face which is generally supposed to be of. Pdf rock slope stability assessment by using kinematic. Kinematic slope stability analysis can be used to evaluate the potential for plane or dip slope failure, which is sliding along a bedrock discontinuity plane such. Rock slope stability analysis utilization of advanced. Kinematic analysis dialog simply input the slope orientation and friction angle, choose the failure mode, and a template is overlaid on the stereonet, highlighting the critical zone. There are several approaches of slope stability analysis are being used now days like limit equilibrium, analytical and kinematic, physical and numerical models 57.
Slope stability is the resistance of inclined surface to failure by. In this paper, the seismic stability of soil nail reinforced slope is analyzed using the kinematic theorem of limit analysis. Pdf rock slope stability assessment by using kinematic analysis. Pdf threedimensional kinematic controls on rock slope.
The wellknown classification of rock masses titled rock mass rating system 1 was used for categorizing the rock masses in the studied area besides. Limit analysis and stability charts for 3d slope failures radoslaw l. Kinematic slope stability analysis traditionally has been performed using either one of two methods a graphical method or calculations using trigonometrybased equations. Canadian geotechnical society, 1992, canadian foundation engineering manual. This paper presents the assessment of the stability of a rock slope with stabilizing piles based on kinematic analysis. Methods for analysis of slope stability are described and are illustrated by examples in the appendixes. Slope stability evaluation and acceptance standards. An integrated remote sensinggis approach for the analysis.
Kinematic analysis is a method used to analyze the potential for the various modes of rock slope failures plane, wedge, toppling failures, that occur due to the presence of unfavorably oriented discontinuities figure 1. Dips is our popular stereographic projection program for the analysis and presentation of orientation based data. Conventional methods of rock slope analysis conventional methods of rock slope analysis can be generally broken down into kinematic and. Most kinematic analyses for rock mass slope stability mainly focus on the research of failure mode and maximum. Prev next kinematic analysis of seismic slope stability with a discretisation technique and pseudodynamic approach. Stability analysis of cut slopes using continuous slope mass rating and kinematic analysis in rudraprayag district, uttarakhand fulltext html download as pdf size. Slope stability investigation in mines is critical to the profitability of the mines in relation to slope failures. Kinematic analysis is a method used to analyze the potential for the various modes of rock slope. Kinematic analysis is one of the analytical methods used for the investigation. Kinematic analysis of seismic slope stability with a. Click download or read online button to get rock slope stability book now.
To assess the likelihood of such failures, an analysis of the kinematic. The col lapse mechanism is assumed to be in the form of rigid blocks analogous to slices in traditional slice methods. The logspiral failure mechanism is considered and the corresponding analytical expressions are derived to calculate the critical seismic yield acceleration coefficient and the permanent displacement of slope subjected. Leung department of civil engineering, national university of singapore, singapore 0511 in order to automate the kinematic analysis of rock slope stability, an alternative approach. Pdf a stability analysis of slopes based on a translational mechanism of failure is presented. One of the first things you will notice is the new kinematic analysis option for rock slope stability analysis. Slope stability analysis of the potential failures using appropriate methods for the type of failure identified from the kinematic analysis.
The quantitative kinematic analysis, instead of relying on representative values, considers all discontinuities and. Introduction the analysis of the stability of a talus or a slope is a complex problem that requires of a good sense, caused by the diversity of the sites and mainly because of the heterogeneity. Limit analysis and stability charts for 3d slope failures. A computer program is provided, which is suitable for use on a microcomputer and which can analyse possible plane sliding, wedge sliding and toppling of rock slope excavations. The stability of natural and manmade rock slopes has always been of great concern for engineering geology studies. Kinematic analyses of sliding and toppling failure of double. Slope stability analysis can be performed by kinematic analysis, limit equilibrium and numerical modelling techniques. This technique makes use of dominant discontinuity planes within slope mass to forecast the probability of sliding, wedging and falling.
Detailed slope stability analysis of selected slope sites situated. Probabilistic analysis of slope stability towards the slip. Kinematic analysis is a method used to analyze the potentiality of a rock slope for various modes of failures such as plane, wedge and toppling failures, which may. Slope stability analysis is performed to assess the safe design of a humanmade or natural slopes and the equilibrium conditions. Analysis of slope stability of road cut slopes of srinagar. It is essential that the engineering geologist be intimately familiar with all of these methods because they provide ways of determining, relatively unambiguously, whether a. Kinematic analysis commonly is used, and was used in this study, to evaluate two principal modes of potential sliding. Rock mass rating and kinematic analysis for slope stability investigation of utari dam, lalitpur district, uttar pradesh. Installation of piles along the slope is one commonly adopted method. Kinematic analysis is a very effective method in solving these issues stated above. Pdf on jan 1, 2011, alavi nezhad khalil s v abad and others published rock slope stability assessment by using kinematic analysis and slope mass rating at.
Free face geometry shape plays an important role in determining failure and evaluating slope stability. In this thesis, the effectiveness of the kinematic element method kem is evaluated by comparing its solutions to the limit equilibrium method lem. Rock slope stability problems in wadi quazdam site no. Automated kinematic analysis of rock slope stability s. Automated kinematic analysis of rock slope stability. The results indicate that evaluated values of continuous slope mass rating give the better. A field data collection methodology was developed to provide the inputs to a slope stability investigation that utilises threedimensional geometric, limit equilibrium and distinct element codes. Pdf rock slope assessment using kinematic and numerical.
Cracks are a common occurrence in soil slopes, and a method is described for including the presence of cracks in stability assessment based on the kinematic approach of limit analysis. Slope stability analysis wikimili, the free encyclopedia. Kinematic analysis of pile behavior for improvement of. Types of rock slope failures as shown in figure 151, most rock slope failures can be classified into one of four categories depending on the type and degree of structural control. Stability analysis of cut slopes using continuous slope. Rock slope stability, kinematic analysis, limit equilibrium analysis, equal area. Most slope stability analysis computer programs are based on the limit equilibrium. For the assessment of natural stability of rock slopes, kinematic analysis technique is extensively used. Rock slope stability download ebook pdf, epub, tuebl, mobi. Kinematic stability analysis of multifaced rock slopes in. The valdez marine terminal was constructed between 1974 and 1977 at the southern end of the 800 mile long transalaska pipeline.