2 edition of Factors that influence the stability of slopes found in the catalog.
Factors that influence the stability of slopes
Robert Britten Johnson
by Federal Highway Administration, [Office of Research], Materials Division, for sale by the National Technical Information Service in Washington, Springfield, Va
Written in English
|Statement||Robert B. Johnson.|
|Series||Report - Federal Highway Administration ; no. FHWA-RD-79-54|
|Contributions||United States. Federal Highway Administration. Materials Division.|
|The Physical Object|
Assess the stability of slopes under short-term (often during construction) and long-term conditions. Evaluate the possibility of landslides involving natural or existing engineered slopes. Analyze landslides and understand failure mechanisms and influence of environmental factors. Download "Soil Strength and Slope Stability is the essential text for the critical assessment of natural and man-made slopes. Extensive case studies throughout help illustrate the principles and techniques described, including a new examination of Hurricane Katrina failures, plus examples of soil and slope engineering from around the world.
The surface “exfoliation” of weathered material does not directly affect global stability of cut slopes in flysch formations. An indirect influence on slope stability is the change of slope geometry as a result of this process. If the degraded material is deposited onto Cited by: They are certainly major factors in cut slope stability and in the stability of fill slopes involving both “internal” and “external” slope failures. The effect of water on cut and fill slope stability is briefly discussed below. • Importance of Water Next to gravity, water is the .
For infinite slopes that have seepage at the slope face, the factor of safety for slope stability is determined as follows: FS = Slope Stability Analysis Geotechnical Design Manual M Chapter December Slope Stability Analysis Detailed assessment of the groundwater regime within and beneath the slope is also critical. Detailed. "Soil Strength and Slope Stability is the essential text for the critical assessment of natural and man-made slopes. Extensive case studies throughout help illustrate the principles and techniques described, including a new examination of Hurricane Katrina failures, plus examples of soil and slope engineering from around the world.
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May 03, · Methods to improve and protect slope stability. Slope stability can be improved by taking following actions. Slopes are made flattened or benched. Weight provided at toe. Lowering of ground water table to reduce pore pressure in the slope.
Use of driven or cast-in place piles. Retaining wall or sheet piling provided to increase resistance to. Dec 08, · Factors that Influence Slope Stability. Figure 1, (Tulane University, Prof. Stephen A. Nelson, 6 oct ) Gravity is the main force for mass wasting. Its acts everywhere on the earth’s surface, and then pulls everything in direction towards the middle of the earth’s.
By looking at the figure 1, gravity acts downwards on the flats surface. Get this from a library. Factors that influence the stability of slopes: a literature review. [Robert Britten Johnson; United States. Federal Highway Administration. Materials Division.] -- The U.S.
Geological Survey (USGS), under subcontract to the National Bureau of Standards (NBS) on FHWA contract no. FHWA, performed the geologic tasks required by the contract. Sep 01, · Factors That Control Slope Stability Mass wasting happens because tectonic processes have created uplift.
Erosion, driven by gravity, is the inevitable response to that uplift, and various types of erosion, including mass wasting, have created slopes in the uplifted museudelantoni.com: Steven Earle. Dec 01, · Slope stability is affected by many factors, their effects on the slope stability may be big or small.
Along with continuous improvement of the various calculation methods, it is more important to identify the main influencing ratio factors in the process of analyzing the slope stability than to select the method of museudelantoni.comore the paper analyzed the main internal factors Cited by: 1.
Slope stability is affected by many factors, their effects on the slope stability may be bigger or smaller. Along with continuous improvement of the various calculation methods, it is more. Slope Stability Analysis by the Limit Equilibrium Method: Fundamentals and Methods presents basic principles for the safe design of constructed or natural earth slopes.
The limit equilibrium method is the most common approach for analyzing slope stability in both two and three dimensions. The water table tends to rise during wet seasons when more water infiltrates into the system, and falls during dry seasons when less water infiltrates.
Such changes in the level of the water table can have effects on the factors (1 through 5) discussed above. Another. This book is designed to assist the civil and geotechnical engineer, geomorphologist, forester, landscape architect or ecologist in choosing ecotechnological solutions for slopes that are prone to.
of earth and rock-fill 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. Criteria are presented for strength tests, analysis conditions, and factors of safety.
The. Factors Affecting Slope Stability Of Landfill Covers. Authors; Authors and affiliations Low interface shearing resistance between components of cover systems limits the steepness of such slopes.
This paper examines the influence of various parameters, including soil thickness, seepage forces, seismic forces, height between berms Cited by: 1. How to Cite. Sidle, R. C., Pearce, A. and O'Loughlin, C. () Natural Factors Affecting Slope Stability, in Hillslope Stability and Land Use, American.
Mar 21, · THE AIMS OF SLOPE STABILITY ANALYSES ARE To understand the development and form of natural slopes and the processes responsible for different natural features. To assess the stability of slopes under short-term (often during construction) and long-term conditions.
To assess the possibility of landslides involving natural or existing engineered. The factors of safety F c, F φ, F H are only occasionally used in slope stability analyses.
The factor of safety with respect to strength (F) as expressed in equation (), is the one which is almost universally used in calculations. FACTORS AFFECTING SLOPE FAILURE Introduction Sr. No Name of the parameters and properties Details Two aspects of erosion need to be considered from slope stability point of view.
The first is a large scale erosion, such as a river erosion occurring at the base of a slope. The second is a relatively localized erosion caused by. Theory of Slope Stability. Prepared for. G / Anatomy of Landslides A nice book with all forms of conversion factors is: Cook, J.L., north-facing slopes are less stable than south-facing slopes) on slope stability.
No longer, though, is this acceptable. The engineering geologist is. Slope stability refers to the condition of inclined soil or rock slopes to withstand or undergo museudelantoni.com stability condition of slopes is a subject of study and research in soil mechanics, geotechnical engineering and engineering geology.
Slope stability analyses include static and dynamic, analytical or empirical methods to evaluate the stability of earth and rock-fill dams, embankments. New slope stability considerations for deep open pit mines therefore appropriate that new attention should be paid to the effects of stresses on the stability of the slopes of these mines.
In this paper, a brief review of the application of stress and numerical analysis techniques to slope stability is presented. SLOPE STABILITY 1.
Purpose. This engineer manual (EM) provides guidance for analyzing the static stability of slopes of earth and rock-fill 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.
Which of the following factors influence mass wasting. creep. Which of the following factors can actually enhance slope stability. on gentle slopes, on steep slopes and in flat-lying areas.
Mass wasting can occur. slide. Movement of material along a surface or surfaces of failure is a. As the inclination of a bedding surface is consistent with the inclination of a slope, the stability of a bedding rock slope is relatively poor, especially under dynamic loads such as earthquake and blasting.
In the dynamic stability analysis of slope, the evaluation methods and influence factors of slope stability are two important museudelantoni.com: Xinrong Liu, Yongquan Liu, Yuming Lu, Xingwang Li, Peng Li.Sandersen F, Bakkehoi S, Hestnes E, Lied K () The influence of meteorological factors on the initiation of debris flows, rockfalls, rockslides and rockmass stability.
In: Senneset K, Balkema AA (eds) Procs. of the 7th Int. Symp. on Landslides. Brookfield, Rotterdam, pp 97– Google ScholarCited by: 1.Influence of different factors on instability Reference It can be seen that short-term variations in factor of safety may occur due to seasonal variations in groundwater levels while longer term trends may reflect the influences of weathering or longer term changes in groundwater conditions.