ABSTRACT

The short life of tires and their poor disposition turns out to be a problem for the environment. This article proposes a conceptual design for the retention of slopes with used tires, shrubs as a measure of protection against erosion and a French drain fort he evacuation of  water. Equations are derived to define the geometry of the slope with the proposed design and tests were carried out for the characterization of a soil sample belonging to a slope in Capira, Panama Oeste, using ASTM standards. Additionally, a traction s test was performed with used tire strips and 3D models were made in the SkecthUp software. The results of this investigation show the 3D model of the proposed wall, the tested soil which corresponds to an elastic silt with sand; with optimum moisture content of 33% and maximum density 13,3 kN / m³, liquid and plastic limit 63% and 33,7% respectively, friction angle 22 ° and cohesion 36,7 kPa. With the tensile test a breaking average 12,55 kN was obtained. A Windows Form App for the geometric design of the slope is also presented and a friction test is proposed as future work.

AUTHORS 
Manuel Isaac Pérez
Emmanuel Jiménez