I need software to calculate the factor of safety and carry out a kinematic analysis for different landslide types. Utexas slope stability analysis software that can use seep2d results. This package of slope stability programs will offer the following benefits to the corps of engineers by. Vicksburg district website missions engineering and. United states army corps of engineers geotechnical engineer gs position announcement unclassified we have announced a geotechnical engineering position for persons external to federal service. You can also apply partial factors, including ec7, with ease.
The army established the corps of engineers as a separate, permanent branch on march 16, 1802, and gave the engineers responsibility for founding and operating the u. Slope stability engineer manual 111021902 us army corps of engineers on. Arcf grr appendix c attachment c geotechnical report. Army corps of engineers guidance for design of riprap in flood control channels is found in engineer manual em 111021601 j. Ge, principal consultant with gregory geotechnical gregeo. Is there any free software available for slope stability analysis. Using utexas 3, a slope stability analysis computer program developed by u. Slope stability analyses include static and dynamic, analytical or empirical methods to evaluate the stability of earth and rockfill dams, embankments. Slope stability refers to the condition of inclined soil or rock slopes to withstand or undergo. It is general practice to analyze the stability of the downstream slope of the dam. If all you need is groundwater analysis, youre in luck. Slope w can effectively analyze both simple and complex problems for a variety of slip surface shapes, porewater pressure conditions, soil properties, and loading conditions. Slope stability analysis slopew is the leading slope stability software for soil and rock slopes.
Slope stability united states army corps of engineers. Armoring structures are typically large, impermeable edifices designed to protect the shore from flooding, wave attack, and erosion. The cold regions directory of expertise crdx is an organizational element of the u. Slope stability analysis wikipedia republished wiki 2. The software program galena was used as a modeling tool for the slope stability analysis of the. Reevaluation report grr for the american river common features arcf project. Slope stability and seepage analysis results in slide2. Slope protection, usbr united states bureau of reclamation. Geotechnical and geological design including slope stability, underseepage analysis, foundation analysis, risk analysis, and concrete mix design. Headquarters, us army corps of engineers usace, to develop a slope stability package suitable for corps wide use.
Svslope is a slope stability analysis program developed by soilvision systems ltd. Slope w is a twodimensional limit equilibrium stability analysis software program that permits slope stability calculation using various limit equilibrium methods. Utexas4 has been considered one of the most sophisticated commercial software available to study the stability of slopes using a twodimensional, limitequilibrium method. Slope stability is the potential of soil covered slopes to withstand and undergo movement. The introduction of powerful desktop personal computers in the early 1980s made it economically viable to develop commercial software products based on these. This is a module of the departments webbased hydraulics. It provides expert geotechnical advice on flood control projects such as dams, levees, pump stations, floodwalls, weirs, sector gates, water control structures, locks, and culverts.
This course includes a multiplechoice quiz at the end, which is designed to enhance the understanding of course materials. Army corps of engineers waterways experiment station in 1975. The geotechnical design team provides engineering services pertaining to surface and subsurface explorations, foundation, and embankment design, site investigation underseepage, slope protections, construction materials development, and other functions pertaining to geology, concrete materials, and soil mechanics engineering. Consequently, slope stability software became available soon after the advent of computers. A case study of safety factor comparison of different slope. The program has been widely used by the us army corps of engineers and us federal highway administration. Slide2 includes builtin finite element groundwater seepage analysis, probabilistic analysis, multiscenario modeling, and support design. Slope stability refers to the condition of inclined soil or rock slopes to withstand or undergo movement.
A previously stable slope may be initially affected by preparatory factors, making the slope conditionally unstable. Slope stability is an intuitive program for the analyses of all types of slopes and retaining walls. Is there any free software available for slope stability. Slope stability analysis wikimili, the free encyclopedia. Army corps of engineers new software package for the analysis of. This report presents the results of geotechnical analyses and feasibility level geotechnical design recommendations to address levee height, geometry, erosion, access, vegetation, seepage, and slope stability deficiencies within the arcf grr study area. Slope stability is an important engineering consideration in earth and rockfill dams, slopes of other types. Slope stability analysis is performed to assess the safe design of a humanmade or natural slopes e. Engineering and design stability of earth and rock fill dams, engineering manual, em 111021902. Michael duncan soil slope stability analysis analyses of slopes can be divided into two cat egories. The software in general is very good and ties in well with the way we do things here.
The name geostase is an acronym for general equilibrium options for stability analysis of slopes and embankments. Slide2 is 2d slope stability software designed to be used for all types of soil and rock slopes. United states army corps of engineers geotechnical engineer gs position announcement unclassified. Stability is determined by the balance of shear stress and shear strength. Run slope stability analyses and calculate required support force for given fs for the simple infinite slope case, hand calculation is sufficient but better use slope stability software use lpile or similar software that allows input of soil displacements instead of loads calculate soil reaction, deflection, bending moment. Svslope is a slope stability analysis program developed by soilvision systems ltd the software is designed to analyze slopes using both the classic method of slices as well as newer stressbased methods. Utilize sophisticated analytical and numerical computer software and flow net models to analyze slope stability, seepage settlement, and seismic conditions and develop designs and remediation for a wide. Edys is a proven tool for accurate modeling and simulation that has been applied in a wide range of ecological and environmental scenarios, including military training, recreational activities. Us army corps of engineers 2003, engineering and design slope stability pdf, washington dc.
Stability analyses were performed using the computer program slope w, part of the geotechnical analysis software package geostudio 2012, developed by geo slope international, ltd. The data from the slope stability and groundwater analysis are always synchronized. Criteria are presented for strength tests, analysis conditions, and factors of safety. Rapid drawdown with multistage geoslope international.
The classic bishops, sarma, ordinary, spencers, morgensternprice, gle, and us army corps of engineers methods are implemented. The name geostase is an acronym for general equilibrium. The crdx is a joint venture of the alaska district in anchorage and the engineer research and development centers cold regions research and engineering laboratory crrel in hanover, n. Headquarters, us army corps of engineers usace, to develop a slopestability package suitable for corpswide use.
Slope stability engineer manual 111021902 9781780397597 by us army corps of engineers and a great selection of similar new, used and collectible books available now at great prices. A seawall is usually a massive concrete structure with its weight providing stability against sliding forces and overturning. Whats new in slide2 faster sampling method, response surface, added for. United states army corps of engineers engineering manual em. The main objectives of slope stability analysis are finding endangered areas, investigation of. Geostase is a 2d limit equilibrium slope stability analysis software. This manual provides guidance for the safe design and economical construction of retaining and flood walls. United states army corps of engineers geotechnical. The introduction of powerful desktop personal computers in. The graphics and the pointandclick data input are also very good and makes the program very easy to use.
Related research articles a levee, dike, dyke, embankment, floodbank or stopbank is an elongated naturally occurring ridge or artificially constructed fill or wall, which regulates water levels. Slope stability is the resistance of inclined surface to failure by sliding or collapsing. Army, corps of engineers, office of the chief of engineers. Slide2 most comprehensive 2d slope stability software. The corps story began more than 200 years ago when congress established the continental army with a provision for a chief engineer on june 16, 1775. Figure 3 typical anchor pin pattern contact the propex team today. United states army corps of engineers geotechnical engineer. Design methodology with a practical case study example.
As an everyday engineering tool, slope software is quick and easy to use for a wide range of slope stability problems. Army corps of engineers approach to verification of. Engineers must spend appropriate time and effort in verifying that software program input correctly models the problems to be solved and that the resulting. A study to incorporate engineering probability techniques into. Infinite slope is a free software developed to perform simple slope stability analyses adopting, and bringing out, the well known infinite slope limit equilibrium analytical model.
A wide variety of slope stability software use the limit equilibrium concept with automatic critical slip surface determination. The groundwater seepage analysis module in slide2 is completely selfcontained and can be used entirely independently of the slope stability functionality of slide2. Factors of safety fs values were calculated using both methods, and the results were compared for their applicability. Slope w is the leading slope stability software for soil and rock slopes. Utexas4 is a slope stability computer program with a windowsbased. Slopew can effectively analyze both simple and complex problems for a variety of slip surface shapes, porewater pressure conditions, soil properties, and loading conditions. Welcome to the hydrologic engineering centers ceiwrhec river analysis system hecras website. Computer applications in geotechnical engineering dtic. Full graphics package for viewing xsections, profiles, rating curves, and 3.
Geostase is a 2d limit equilibrium slope stability analysis software program developed by dr. United states army corps of engineers engineering manual. Slope stability assessment carried out by considering this additional structural strength has shown that regional compressional. United states army corps of engineers usace modified swedish method, and the. Army corps of engineers sacramento district has published a draft supplemental environmental assessmentinitial study for the american river common features 2016 project. Army corps of engineers riprap design for flood channels. The method described in this paper uses the finite element. The stability condition of slopes is a subject of study and research in soil mechanics, geotechnical engineering and engineering geology. It performs twodimensional slope stability analysis using the method of slices and presents the results in a clear graphical format. The infinite slope model is often considered a mere didactic scheme useful to explain slope stability analysis principles.
Pdf embankment slope stability analysis dwight mission mine. Army corps of engineers new software package for the analysis of floodplains and bridged waterways. This collection of publications is the single official repository for official engineering regulations ers, engineering circulars ecs, engineering manuals ems and other official public documents originating from headquarters u. 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.
Methods for analysis of slope stability are described and are illustrated by examples in the appendixes. Svslope is a slope stability analysis program developed by soilvision systems ltd the software is designed to analyze slopes using both the classic method of slices as. Please disseminate to all who may qualify or who you may know that have an interest. The mission of the bureau of reclamation is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the american public. Typical slope stability software can analyze the stability of generally layered soil slopes, embankments, earth cuts, and anchored sheeting structures. The program has been widely used by the us army corps of engineers and us federal. Pdf the paper presents a slope stability analysis of a proposed embankment. Corps releases supplemental documents for sacramento river. Wright of shinoak software, who is wellrecognized as one of the leading experts in solving problems in soil strength and slope stability duncan and wright, 2005. Army corps of engineers is to deliver vital public and military engineering services. Nov 19, 2012 ecological dynamics simulation edys is an ecosystem simulation model that accommodates process complexities of ecological dynamics at spatial and temporal scales and evaluates management alternatives by assessing changes in landscape components. Utexas analyze the stability of complex slopes software.