DefinePK

Abstract

Anchored systems are widely used for slope stabilization in the construction of civil engineering projects in Colombia. These systems transmits a stabilizing force over a support surface (anchor head), inducing normal stresses on the face of the slope to generate an increase in the shear resistance of the soil involved in the failure surface. Regarding the design of the support surfaces it is common to find both, individual and continuous surfaces. The individual support surfaces correspond to isolated concrete blocks in which there is no structural union with adjacent anchor heads, these supports are commonly referred to as dados in Colombia; and the continuous support surfaces correspond to reinforced concrete slabs that guarantee the structural union between each of the existing anchor heads. Currently, there is no conceptual clarity as to the actual behavior of each of the support surfaces; therefore, it is not possible to fully evaluate compliance with the design hypotheses. With this in mind, a mathematical modeling was made using Finite Element techniques representing both cases. It was found that there are great differences in the contribution to the stability of the slope generated by each of the systems, which must be considered in the design process.