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(Automatic translation)

Lime and roads ...

Ángel Sampedro Rodríguez
Technical director
ANCADE

Juan Gallego Medina
Profesor Titular
Polytechnic University of Madrid

ABSTRACT
This article analyzes the main applications of limes, living or hydrated in road construction. On the one hand, road construction must meet a more appropriate technical, economic and environmental conditions that lead to consider the reuse of soil trace by treatment with lime (modification and / or stabilization) as one of the solutions . This article describes the "state of the art" shows these techniques, analyzing the use of lime in different types of soil treatment with lime, exposing different embodiments of works recently or even completed under implementation, with results. On the other hand, hydrated or lime hydrate lime is a mineral powder which reduces the risk of plastic deformations, improves resistance brash aggregate by the action of water and limits the stiffening accompanying aging phenomena in the materials bituminous.

Keywords
quicklime, hydrated lime, treatment, stabilization, bituminous mixtures.

Spanish Road Association
Goya, 23 - 4º Right.
28001 - MADRID (Spain)
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