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Paper Information

Journal:   JOURNAL OF ENGINEERING GEOLOGY   FALL 2017 , Volume 11 , Number 3 ; Page(s) 1 To 22.
 
Paper: 

STATIC AND PSEUDO-STATIC STUDY OF STRESS AND DISPLACEMENT OF EARTH-FILL DAM USING LAYERED AND SINGLE-LAYER MODELS

 
 
Author(s):  AHMADPOUR BEHROUZ*, AMEL SAKHI MASOUD
 
* FACULTY OF ENGINEERING, DEPARTMENT OF CIVIL ENGINEERING, QOM UNIVERSITY OF TECHNOLOGY
 
Abstract: 

Earth-fill dams stability in steady state seepage condition is very important, especially during earthquakes. Numerical software analyses require accurate and realistic modeling of construction stages. Since earth-fill dams are constructed in different layers, so these conditions should be considered in software modeling to achieve a reasonable design. In this study, an earth-fill dam is modeled in PLAXIS software and the effects of the number and shape of layers are studied in dry and steady-state conditions. Obtained results in static and pseudo static analyses show that modeling of earth-fill dams with different layers has significant effects on shear stresses and horizontal displacements. For example, horizontal displacements and shear stresses, increase at least 50% and 17% respectively, in comparison with single layer models. According to the obtained results, it can be mentioned that modeling of an earth-fill dam in the layered model and rather in inclined layers are more reasonable.

 
Keyword(s): EARTH-FILL DAM, STRESS DISTRIBUTION, DISPLACEMENT, LAYERED MODEL, PSEUDO-STATIC ANALYSIS
 
References: 
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