Rock slope analysis along NH-44 in Sonapur Area, Jaintia Hills District, Meghalaya

2016 ◽  
Vol 88 (1) ◽  
pp. 121-122
Author(s):  
Kripamoy Sarkar
2006 ◽  
Vol 34 ◽  
pp. 63-72
Author(s):  
A. Strouth ◽  
E. Eberhardt ◽  
O. Hungr

A "Total Slope Analysis" methodology, that combines several numerical techniques, is adopted to investigate an unstable rock slope in Washington State, USA. For this specific study, the distinct-element code UDEC is used to assess the stability and potential failure volume of the rockslide. Once the potential rockslide volume has been estimated and failure mechanism assessed, the runout path, distance and velocity are assessed using the dynamic or rheological flow model DAN3D. Site investigation and data reconnaissance plays an important role for both stages in the "Total Slope Analysis", including outcrop mapping, aerial photograph interpretation, scanline joint surveys and 3-D laser scanning. The results of the "Total Slope Analysis" can be directly applied to assessment and mitigation of the landslide hazard, greatly aiding engineering judgment by providing key qualitative and quantitative insights into the risk analysis.


2021 ◽  
Vol 4 (1) ◽  
pp. 40
Author(s):  
Arjol Lule

Rockfall dynamics is a complex function of the location of the detachment point and the geometry and mechanical properties of both the block and the slope. Theoretically, knowing the initial conditions, the slope geometry, and the relationships describing the energy loss at impact or by rolling, it should be possible to compute the position and velocity of a block at any time. Nevertheless, relevant parameters are difficult to ascertain both in space and time, even for an observed event. Usually, the geometrical and geomechanically properties of the blocks (size, shape, strength, fracturing) and the slope (gradient, length and roughness, longitudinal and transversal concavities and convexities, grain size distribution, elastic moduli, water content, etc.), and the exact location of the source areas are unknown. In this paper, the sources of potential rock fallings involve a rocky area including between km 13+550 and km 13+600 in the new road of Vlora city in Albania. The area is characterized by a rock ridge, shaped like a dome, located few tens of meters above the design road. The purpose of this paper is the rock slope analysis. This analysis consists mainly of defining the sources of falling rocks, estimating the causes (by toppling, rock slides, single blocks) the size, the geometry, and type of blocks, the structural arrangement of joints, etc.


1984 ◽  
Vol 21 (4) ◽  
pp. 678-683
Author(s):  
D. M. Cruden

When the normals to two discontinuities forming a tetrahedral wedge in a rock slope lie in the opposite halves of a spherical projection divided by a diameter through the line of intersection of the discontinuities, sliding will take place down the line of intersection of the discontinuities if this is statically possible. This new criterion simplifies the analysis of the stability of rock wedges whose motion is driven only by gravity and resisted only by friction. A factor of safety can be simply calculated for all these wedges from plots of the normals to discontinuities on an overlay of a polar, equal-area spherical projection to which the great circles of a similar equatorial projection have been added. Key words: rock, slope analysis, rock wedge, graphical methods.


2019 ◽  
Vol 37 (6) ◽  
pp. 4741-4757 ◽  
Author(s):  
Vinay Kumar ◽  
Navneet Himanshu ◽  
Avijit Burman
Keyword(s):  

2019 ◽  
Vol 8 (17) ◽  
pp. 1-18
Author(s):  
Mohsen Mohebbi ◽  
Alireza Yarahmadi Bafghi ◽  
Mohammad Fatehi Marji ◽  
Javad Gholamnejad

2017 ◽  
Vol 16 (10) ◽  
pp. 1317-1328 ◽  
Author(s):  
Mahsa Moghadami ◽  
Ali Mortazavi
Keyword(s):  

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