Such analyses include engineering design, factor of safety prediction, research and testing, and backanalysis of failure. Dave2 1pg student 2professor 1,2department of applied mechanics 1,2l. Flacslope uses the graphical interface and the automatic factorofsafety calculation of flac as the core of a userfriendly code that models slope stability problems under a wide variety of slope conditions. Slope stability analysis based on the integration of gis. Flac is used for analysis, testing, and design by geotechnical, civil, and mining engineers. Analysis of slope failure using flac3d a project report submitted in partial fulfilment of requirements for award of bachelor of technology degree in mining engineering by gopal karmakar exam roll 511214015 sayantan chatterjee exam roll511214007 session 20162017 department of mining engineeing indian institute of engineering science and technology. Comprehensive 2d slip surface searching and porewater pressure conditions and innovative 3d spatial analysis allow modeling at new levels. Some software based on continuum modeling s likephase2 rocscience, flac2d, flac3d itasca 1997 and visage vips, 2001, plaxis are well suited for slope stability problems. This video shows flacs geometry and sketch tools to build the model. Cable structural elements can be used to represent soil nails, rock bolts, or geosynthetic sheets. Simple slope stability us minneapolis itasca consulting. What is the best software to analyse the slope stability.
Slope stability analysis under seismic load by vector sum. Oct, 2017 slope stability analysis using flac 3d 1. He has provided consulting on many projects including underground mining e. This version is operated entirely fromflacs graphical interface the giic which provides for rapid creation of models for soil andor rock.
Flac 3d, fast lagrangian analysis of continua in 3d, is numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support. Methods for analysis of slope stability are described and are illustrated by examples in the appendixes. Soilvision award winning geotechnicalhydrogeological. In this video, we create a simple model of a pit slope with two benches and calculate the stability of the slope. Flacslope us minneapolis itasca consulting group, inc. Our programs include software for 2d and 3d soil and rock slope stability, limit equilibrium and finite element analysis, and 2d and 3d. It is designed to accommodate any kind of geotechnical engineering project that. There are different research software are there to analyses the slope stability. Aug 30, 2012 in this video, we create a simple model of a pit slope with two benches and calculate the stability of the slope. This version is operated entirely from flacs graphical interface the giic which provides for rapid creation of models for soil andor rock slopes, and solution of their stability condition. Using shear strength reduction method for 2d and 3d slope stability analysis thamer yacoub, ph. Plaxis is used worldwide by top engineering companies and institutions in the civil and geotechnical engineering industry. The study deals with simulations work and creation of models range from mesh and boundary effect, effect of complex geometry and layer soil, effect of geogrid, effect of water table and effect of surcharge loads. Analysis of slope failure using flac3d a project report submitted in partial fulfilment of requirements for award of bachelor of technology degree in mining engineering by gopal karmakar exam roll 511214015 sayantan chatterjee exam roll511214007 session 20162017 department of mining engineeing indian institute of.
Soilvision award winning geotechnicalhydrogeological software. This research presents a study on the slope stability analysis software flacslope. Flac3d fast lagrangian analysis of continua in 3 dimensions is numerical modeling software for geotechnical analyses of soil, rock, groundwater, constructs, and ground support. Rock slope stability analysis must understand the geological conditions as the foundation, be under the analysis to effects of geological factors of rock slope stability, be under the premise of analysis to the. Figure 9 shows the acceleration vs dynamic time history in the xdirection at the crest level of the dam.
A cookie is a small text file in alphanumeric format deposited on the hard disk of the user by the server of the site visited or by a third party server advertising network, web analytics service, etc. What is the difference between slope stability analysis using flac and slopew. Flac3d constitutive models australia itasca australia pty. The stability of a slope subjected to rainfall events of increasing intensity and decreasing. Flacslope can simulate stability problems under a wide variety of slope conditions, including. Mr hebert is a geotechnical engineer with experience in both the mining and civil industries. As a major focus area for research and development at rocscience, our suite of slope stability analysis software is highly developed and can meet the demands of even the most advanced geotechnical projects. The graphics and the pointandclick data input are also very good and makes the program very easy to use.
Tagasoft geotechnical software slope stability analysis. Analyse stability of slopes in 3d and 2d analyse slope stability in 3d to better understand the nature and cause of structural failures and to manage risk. Finally, the effects of several key parameters on the stability of axisymmetric concave slopes are investigated through a parametric study. Flac3d includes the following standard nineteen null, elastic, and plastic models. Using shear strength reduction method for 2d and 3d slope. Slope stability analysis under seismic load by vector sum analysis method. How great are 3d effects in slope stability analyses. The integration of the geographic information system gis and the numerical simulation for slope stability analysis is investigated in this paper. This video shows flac s geometry and sketch tools to build the model. Flacslope software by itasca flacslope uses the graphical interface and the automatic factorofsafety calculation of flac as the core of a userfriendly code that models slope stability problems under a wide variety of slope conditions. It is designed to accommodate any kind of geotechnical engineering project that requires. Stability analysis of slope based on flac3d using strength reduction method. Tslope provides geotechnical engineers working in mining and civil engineering with a powerful new program to carry out slope stability analyses. Slope stability best slope stability analysis software.
All types of soil and rock slopes, embankments, earth dams and retaining walls can be analyzed. A cookie is a small text file in alphanumeric format deposited on the hard disk of the user by the server of the site visited or by a third. The authors believe that it will surely help especially 4th b tech. Flac slope uses the graphical interface and the automatic factorofsafety calculation of flac as the core of a userfriendly code that models slope stability problems under a wide variety of slope conditions. What is the difference between slope stability analysis. Flac3ds functionality can be even further expanded by purchasing additional options null model group. This version is operated entirely from flacs graphical interface the giic which provides for rapid creation of models for soil andor rock slopes and solution of their stability condition. Stability analysis of soil slope subjected to blast induced. Slide2 is a powerful, userfriendly, 2d slope stability analysis program using limit equilibrium method. How do i model rainfalls in flac 3d in slope stability analysis. Then three separate factor of safety analyses are run on the model. The rocky slope instability has brought great danger to human activity, and often causes economic losses, property damage and casualties, also can cause huge overhead expenses. Flac3d fast lagrangian analysis of continua in 3 dimensions is numerical modeling software for geotechnical analyses of soil, rock, groundwater, constructs.
Tong liqiang, zhao fasuostability analysis of slope under earthquake with flac 3d. This policy applies to the site uk hereinafter the site. A null material model can be assigned to zones to represent material that is removed or excavated holes, excavations, regions in which material will be added at later stage. This presentation is mainly about the study of slope failure using flac 3d software.
Out of these three midas gts nx 3d or flac 3d or plaxis 3d, which one is. Features in flacslope us minneapolis itasca consulting group. College of engineering, ahmedabad, india abstractthe slope stability is a very important problem in geotechnical engineering. Slide 2d limit equilibrium slope stability analysis software. Slide2 most comprehensive 2d slope stability software. Table 4 shows the result of the static slope stability performed in three different software packages flac 3d, talren 4 and slopew. The authors believe that it will surely help especially 4th b tech guys who are interested in project related to slope stability. Investigation of the behavior of tailings earthen dam. Sep 26, 2017 flacslope is a miniversion of flac that is designed specifically to perform factorofsafety calculations for slopestability analysis. It is designed to give you an overview of the 3d and waveform visualisers. Is there any free software available for slope stability. A flac model studies the potential instability of the pillars. This version is operated entirely from flacs graphical interface the giic which provides for rapid creation of models for soil andor rock.
We are known for our market leading slope stability, unsaturated seepage, stressdeformation, freezethaw and soil properties database software. These capabilities are critical to developing engineering. Comparisons of the results from the proposed method and the numerical software flac 3d are performed to demonstrate the validity of the proposed method for practical applications. Slide3 is a 3d slope stability analysis software based on our bestselling slide2 software. Rock slope stability analysis must understand the geological conditions as the foundation, be under the analysis to effects of geological factors of rock slope stability, be under the premise of analysis to the engineering geological factors and then make evaluation, this is the best method of analysis and evaluation of stability of rock slope. The following examples are intended to help itasca software users to become familiar with.
Stability analysis of slope based on flac3d using strength. Flac3d constitutive models australia itasca australia. Stage wise construction of soil slope and installation of concrete pipeline of 0. Among various softwars used for slope stability analysis, the finite element based plaxis or finite difference based flac software is the best as compared to geoslopethen reason for this is. With slide3 most of the analysis features found in slide2 are now available in full 3d, including complex geology, anisotropic materials, loading and support. Flac slope can simulate stability problems under a wide variety of slope conditions, including.
Slide2 can be used for all types of soil and rock slopes, embankments, earth dams, and retaining walls. This policy applies to the site au hereinafter the site. Is there any free software available for slope stability analysis. Users can perform classic limit equilibrium slope analysis of soil or rock slopes by the method of slices or newer stressbased methods. Soilvision provides a comprehensive suite of 2d and 3d geotechnical software. Axial forces and the surface failure location are plotted. The static and dynamic stability analysis on the artificial rock mass slope of wuan power plant in china is carried on respectively in this paper by using the strength reduction method and flac3d software. Flac, fast lagrangian analysis of continua, is 2d numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support. The software in general is very good and ties in well with the way we do things here. Flacslope is a special, streamlined version of flac for evaluating the factor of safety fos of soil and rock slopes in two dimensions with simple and fast model setup and analysis execution. Flac slope is a special, streamlined version of flac for evaluating the factor of safety fos of soil and rock slopes in two dimensions with simple and fast model setup and analysis execution. Slide is the most comprehensive slope stability analysis software available, complete with finite element groundwater seepage analysis, rapid drawdown, sensitivity and probabilistic analysis and support design. A cookie is a small text file in alphanumeric format deposited on the hard disk of the user by the server of the site visited or by a third party server. How to introduce rainfall in flac 3d for performing slope stability analysis for.
Flac 8 basics is based on the original flac basics text first written in 1993 and extends the documentation to demonstrate the power and easeofuse of flacs graphical user interface and new features in flac version 8. The commercial software abaqus is used in dynamic stability analysis in this paper, and the direct integral method is used to solve the dynamic balance equation. Flac3d utilizes an explicit finite volume formulation that captures the complex. Rock slope stability analysis based on flac 3d numerical. Flac slope software by itasca flac slope uses the graphical interface and the automatic factorofsafety calculation of flac as the core of a userfriendly code that models slope stability problems under a wide variety of slope conditions. Slide2 includes builtin finite element groundwater seepage analysis, probabilistic analysis, multiscenario modeling, and support design. Slope stability analysis slopew is the leading slope stability software for soil and rock slopes. Slide3 3d slope stability analysis software rocscience.
Svslope represents the new standard in 2d3d slope stability analysis. Flac 3d is used for analysis, testing, and design by geotechnical, civil, and mining engineers. Software applied examples us minneapolis itasca consulting. Geared toward new users, flac basics is an introduction to the application of itascas flac software in geotechnical engineering. This engineer manual em provides guidance for analyzing the static stability of slopes of earth and rockfill dams, slopes of other types of embankments, excavated slopes, and natural slopes in soil and soft rock. Flac3d us minneapolis itasca consulting group, inc. Oct 12, 2017 this presentation is mainly about the study of slope failure using flac 3d software. Slopew can effectively analyze both simple and complex problems for a variety of slip surface shapes, porewater pressure conditions, soil properties, and loading conditions. Numerical modelling of complex slope using flacslope.
1372 1489 1425 1193 1033 1084 781 889 192 428 1119 712 289 1458 1126 1151 1107 530 483 1301 939 950 1452 1165 708 869 1453 990 543 1383 601 841 1168 136 345 764 564 1463 1018 1331 165 953 221 1045 603 338