Instability and stabilization of an embankment on the Irbid–Amman Highway in Jordan

1994 ◽  
Vol 31 (6) ◽  
pp. 1015-1021 ◽  
Author(s):  
Azm S. Al-Homoud ◽  
Ahmad B. Tal ◽  
Abdallah I. Husein (Malkawi)
Keyword(s):  
Stability Analysis ◽  
Slope Stability ◽  
Engineering Properties ◽  
Soil Parameters ◽  
Remedial Measures ◽  
Geotechnical Investigation ◽  
The Road ◽  
Landslide Zone ◽  
Time Of Failure

This paper includes a summary of a geotechnical investigation of an embankment site at station 47 + 300 along the Irbid–Amman Highway in Jordan. The embankment suffered instability problems. This study includes geological and geotechnical mapping of the study area as well as determination of the engineering properties of the various materials encountered at the site.Stability analysis is carried out for the original embankment to explain the failure mechanism, assess the condition at the time of failure, and evaluate the soil parameters for use in stability analysis of remedial measures. Stability analysis is carried out for remedial works. Recommendations are suggested to stabilize the sliding area and to repair the road traversing this landslide zone. Key words : slope stability, embankment, remediation.

scholarly journals Determination of Interslice Force in Slope Stability Analysis

1997 ◽  
Vol 37 (1) ◽  
pp. 65-72 ◽  
Author(s):  
Robert Y. Liang ◽  
Jihu Zhao ◽  
Stan Vitton
Keyword(s):  
Stability Analysis ◽  
Slope Stability ◽  
Slope Stability Analysis

scholarly journals Risk assessment of designated landslide-risky valleys against heavy rainfall based on geotechnical investigation and slope stability analysis

2013 ◽  
Vol 8 (1) ◽  
pp. 119-131 ◽  
Author(s):  
Shoichi KAWABATA ◽  
Takashi TSUCHIDA ◽  
Seiji KANO ◽  
Hiroki YURI ◽  
Takashi HANAOKA ◽  
...  
Keyword(s):  
Risk Assessment ◽  
Stability Analysis ◽  
Slope Stability ◽  
Heavy Rainfall ◽  
Slope Stability Analysis ◽  
Geotechnical Investigation

Theoretical Models of Slope Stability Analysis in The Maqlub Mountain Rock Cut Routes, North Iraq

2020 ◽  
Vol 54 (1A) ◽  
pp. 55-68
Author(s):  
Azealdeen Al-Jawadi
Keyword(s):  
Slope Stability ◽  
Theoretical Models ◽  
Rating System ◽  
Engineering Properties ◽  
Medium Size ◽  
Slope Surface ◽  
Rockfall Hazard ◽  
The Road ◽  
On The Road ◽  
System Program

In many sections, the road leading up to the top of Maqlub Mountain is dangerous due to the fall of several rocks. There were six locations recognized for this dynamic geological process, rockfalls of varying sizes, with very large measurements up to 230 x 120 x 110 cm are falling on the road. The study suggested three theoretical models explain the causes of rockfall, through a ‎comprehensive study in the area. The first model showed that the cause of rockfall was the presence ‎of rocky slopes with a reverse slope. The second model has shown that the rockfall is caused by weak engineering properties of marl beds and it can be squeezed under thick and fractured ‎beds of hard and fractured limestone rocks. The third model determined the small area of the rock base at the rocky slope surface and its large height that reduced their stability. A field survey was performed to study an area that included measuring the height and inclination of the slope surface and measuring the attitude of all discontinuities and their engineering characteristics to classify the slope stability, as well as the technical parameters of the road that determine the risk and consequence factors. Two computer programs were designed to evaluate slope stability, one used to classify risk and consequence (Rockfall Hazard Rating System Program) and the other to classify slope stability based on its geotechnical properties (Slope Mass Rating System Program) in addition to the areas where a rock climb previously occurred, the study concluded that dangerous sites have been recognized along the road to Maqloub Mountain. ‎The size of the falling rock cuttings was classified between small and medium size. ‎The study indicated that this road requires support in hazardous locations to prevent accidents causing losses of property and humans.

scholarly journals An Improved Strength Reduction-Based Slope Stability Analysis

Geosciences ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 55 ◽  
Author(s):  
S. Seyed-Kolbadi ◽  
J. Sadoghi-Yazdi ◽  
M. Hariri-Ardebili
Keyword(s):  
Stability Analysis ◽  
Slope Stability ◽  
Limit State ◽  
Spectral Element ◽  
Strength Reduction ◽  
Analysis Model ◽  
Weak Layer ◽  
The Road ◽  
Coulomb Failure Criterion

Slope uncertainty predominantly originates from the imperfect analysis model and the inaccuracy and imprecision of the observations. The strength reduction method (SRM) is widely used to attain the safety factor (SF) of the slopes, which is similar to interpretation of the limit state (LS). In this paper, the spectral element method (SEM), using an elasto-plastic Mohr–Coulomb failure criterion, is employed to project the plausible LS of the soil slopes. An iterative SRM search method is proposed to evaluate the SF of the slopes regardless of the LS interpretation. The proposed SRM paradigm encompasses the design trigger to trace the uncertain parameters in decision-making. This method is applied to three numerical examples: (1) a homogeneous dry slope, (2) a dry slope with a weak layer, and (3) a partially-wet slope with a weak layer. It is shown that for the case study examples, the proposed SRM reasonably converges to the required precision. Results further are compared and contrasted with some of the conventional and standard techniques in slope stability. This hybrid procedure paves the road for fast and safe stability analysis of man-made and natural slopes.

scholarly journals Determination of Residual Strength of Soils for Slope Stability Analysis: State of the Art Review

2020 ◽  
Vol 8 (0) ◽  
pp. 46-57
Author(s):  
Chen Fang ◽  
Hideyoshi Shimizu ◽  
Tatsuro Nishiyama ◽  
Shin-Ichi Nishimura
Keyword(s):  
Stability Analysis ◽  
Slope Stability ◽  
Residual Strength ◽  
State Of The Art ◽  
Slope Stability Analysis

scholarly journals Evaluation and Monitoring of Slope Stability in Cold Region: Case Study of Man-Made Slope at Øysand, Norway

2020 ◽  
Vol 10 (12) ◽  
pp. 4136 ◽  
Author(s):  
Yunsup Shin ◽  
Jung Chan Choi ◽  
Santiago Quinteros ◽  
Ida Svendsen ◽  
Jean-Sebastien L'Heureux ◽  
...  
Keyword(s):  
Slope Stability ◽  
Warning System ◽  
Soil Parameters ◽  
Cold Region ◽  
Initial Field ◽  
Remote Monitoring System ◽  
The Road ◽  
Critical Slope ◽  
Evaluation And Monitoring

Recently, the road and railways infrastructure developments in Norway have led to renewed interests on the geotechnical challenges associated with slope stability under freezing-thawing cycles. Despite the amount of research available on the topic, there are few comprehensive studies involving laboratory testing, numerical analysis, and field monitoring of a slope during a freezing–thawing. In this case study, a critical slope was identified in a cold region based on field and laboratory tests, and a series of numerical simulations were carried out to evaluate the governing factor of slope stability using finite element methods. A remote monitoring system was installed on a real scale man-made slope to observe its behavior against the governing factors of slope stability. As a result, it was found that slope stability at the critical slope was significantly impacted by the freezing–thawing action, which was confirmed by the initial field observations from 2019 to 2020. Later, continuous monitoring data could be used to update soil parameters and to implement an early warning system for the high risky slope areas effected by freezing–thawing action in many cold regions.

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