Safety monitoring and stability analysis of left abutment
Jun 25, 2011 · Based on the fruitful works, some ideas and issues of high slope engineering are presented from the perspectives of safety monitoring and stability analysis in this paper. Download : Download full-size image; Fig.1. Appearance of excavation for the left abutment slopes of Jinping I hydropower station.
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Stability analysis and reinforcement evaluation of high
Slope Stability : Analysis & Assumptions, Causes & Factor of Safety
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Stability analysis and reinforcement evaluation of high
The stability of excavated high-steep rock slopes is most significant in the long-term safety of large-scale hydropower projects. Dagangshan rock slope had an unloading fractured zone (XL-316) and a fault (f 231) during excavation, which resulted in a high risk of slope instability.Anti-shear tunnels were constructed for enhancing the overall shear resistance and reinforcing the …
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The Deformation and Stability Analysis of High Open Pit
The Deformation and Stability Analysis of High Open Pit Slope in Complex Faults Zone during Excavation ——A Case Study of the Slope in the E-area of the Bayan Ebo Main MineCN
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An Introduction to Slope Stability and Protection
Therefore, the long-term stability of slopes excavated in cohesive soils is normally more critical than the short-term stability. When excavations are open over a long period and water is accessible, there is potential for swelling and loss of strength Various techniques of slope stability analysis may be classified into
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STABILITY ANALYSIS OF A ROCKY SLOPE CONSIDERING …
stability of a rocky slope, and the slope excavation process of Jinping Grade I Hydroelectric Station was selected as a case, and the 2D finite element software PLAXIS was used to evaluate the effect for the slope stability of without considering unloading and …
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An Overview on Methods for Slope Stability Analysis
Some crucial problems were summarized for stability assessment of an excavated high slope based on several typical engineering cases in Chongqing. A synthetical-analysis way was explored to assess stability of high slope from its natural geological conditions and its man-destroyed degree, engineering environment, potential failure pattern of a high slope, calculation …
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Stability Assessment of the Excavated Rock Slope at the
Jan 01, 2018 · The AE accumulation zone obtained from numerical solution and the distribution of high MS density zone are highly coherent, which showed that the evolution simulation of Dagangshan right bank slope stability under excavation using [RFPA.sup.3D] did match the site monitoring results and established the model foundation of [RFPA.sup.3D] slope
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(PDF) Slope stability hazard evaluation and mitigation
The input parameters needed for the analysis mainly included the shear strength parameters that is, cohesion, angle of internal friction and unit weight of the formation materials, these values were obtained from tests conducted in laboratory. Software Slope/W part of Geo-Studio, 2007 and standard charts were used for the slope stability analysis.
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Slope Stability - United States Army
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.
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STABILITY ANALYSIS OF MULTI-LAYERED EXCAVATION SLOPE
stability analysis of multi-layered excavation slope. the results of a stability analysis of a high cutting slope by means of the finite element method are described. the upper section of the slope lies in a brittle soil (loess), while the lower section leads through plastic strata.
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11. THE STABILITY OF SLOPES
The quantitative determination of the stability of slopes is necessary in a number of engineering activities, such as: (a) the design of earth dams and embankments, (b) the analysis of stability of natural slopes, (c) analysis of the stability of excavated slopes, (d) analysis of deepseated failure of foundations and retaining walls.
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Introduction to Soil Mechanics and Shear Strength
• Slope stability is the primary means of quantitatively assessing the level of stability of a slope, done using a Factor of Safety. • Soil tends to fail in shear, these concepts directly govern slope failures. • Soil has shear strength, conventionally defined as friction and cohesion.
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Numerical Analysis of Excavation Stability of Loose
Stability Analysis of High Slope of Accumulation Body in front of the Left Bank of Xiaowan{J}. People's Pearl River, 2000(04): 24--26+29. Google Scholar; Jianjun Zhao, Nengpan Ju, Guoxiang Tu.Analysis of Deformation Mechanism and Supporting Measures of Man-made Slopes in Loose Deposits{J}.Journal of Engineering Geology, 2008(05):611--615
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L. STABILIZATION OF SOIL SLOPES
which they are found, virtually every slope design problem is unique (Peck and Ireland 1953;Hutch-inson 1977). Second, the procedures used to esti-mate the stability of an excavated slope are the same as those used to estimate the stability of an embankment slope. These first two factors are true for the analysis of newly constructed slopes as well
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CHART SOLUTIONS FOR ANALYSIS OF EARTH SLOPES
•THE FIRST to make a valid slope stability analysis possible through use of simple charts and simple equations was Taylor (9 ). With the advent of high-speed electronic computers, other generalized solutions wilh different basic assumptions have been obtained and published. Unfortunately, these chart solutions have been published in
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Stability of Slopes for Excavations in Different Soil
🕑 Reading time: 1 minuteStability of slopes in open excavation in different soil condition along with the factors that control slope stability in open excavation are discussed. Fig.1: Various Excavation Condition Contents:Factors Affecting Slope Stability in Open ExcavationExcavation Slope Stability in Cohesive SoilsSlope Stability in Normally Consolidated SoilsSlope Stability in …
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