Volume 11, Number 2 and B (Transaction B: Geotechnical Engineering 2013) | IJCE 2013, 11(2 and B): 122-132 | Back to browse issues page


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Mortazavi Zanjani M, Soroush A. Numerical modeling of reverse fault rupture propagation through clayey embankments. IJCE. 2013; 11 (2) :122-132
URL: http://ijce.iust.ac.ir/article-1-752-en.html

Abstract:   (8996 Views)

This paper presents results of a thorough study on the phenomenon of rupture propagation of reverse faults from the bedrock

foundation through homogeneous clayey embankments, mainly at the end of construction, with complementary analyses for the

steady state seepage through the embankment. The study is performed by means of numerical analyses with a nonlinear Finite

Element Method, verified beforehand through simulating fault propagations in an existing horizontal soil layer experiment.

Multiple cases considering three slopes & three clayey soils for the embankment and five fault dip angles, activated in several

locations of base of the embankment, are analyzed. The results show that ruptures in the embankment follow optimal paths to

reach the surface and their near-surface directions are predictable with respect to corresponding theories of classical soil

mechanics. Various types of rupture in the embankment are produced on the basis of the rupture types, the embankment base is

divided into three distinguishable zones, which can be used for interpretation of fault ruptures behavior. The effects of materials

and slope of the embankment, fault dip angle, and fault’s point of application in the bedrock-soil interface on the rupture paths

are studied in depth.

Full-Text [PDF 2406 kb]   (1206 Downloads)    
Type of Study: Research Paper | Subject: Seismic Geotechnique

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