FEM analyses of deep excavations and earth retaining structures in soft clay

2012 ◽  
pp. 783-790 ◽  
Keyword(s):  
Soft Clay ◽  
Retaining Structures ◽  
Deep Excavations ◽  
Earth Retaining Structures

Reinforced Earth Retaining Structures - Failure Surface Shape

2017 ◽  
Vol 21 ◽  
pp. 380-388
Author(s):  
Oana Elena Colț
Keyword(s):  
Interaction Mechanism ◽  
Theoretical Method ◽  
Failure Surface ◽  
Point Of View ◽  
Surface Shape ◽  
Design Calculation ◽  
Retaining Structures ◽  
Reinforced Earth ◽  
Tensile Forces ◽  
Earth Retaining Structures

As an alternative to classical retaining solutions, as gravity or flexible retaining walls, the reinforced earth retaining structures are successfully used. The interaction between the reinforcement and the soil fill and their failure mode as well, are important issues to take into account for the design of these types of structures and the corresponding calculation methods used for their design. From this point of view, an important element is the shape of the failure surface, considered in the design calculation as: plane, circular, etc., which has an important influence on the tensile forces values within reinforcements. This paper presents a new theoretical method for the calculations of the reinforced earth retaining structures and the corresponding results for failure surface shape and for tensile forces in the reinforcements. Considering the similarities between the theoretical results presented in this paper and the experimental results presented in the specialty bibliography, this method creates the possibilities to design in a more economical way, only by taking into consideration the correct interaction mechanism between the soil and the reinforcements

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