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CONSIDERATIONS CONCERNING THE IMPORTANCE OF THE CAPPING LAYER IN THE DESIGH OF SUSTAINABLE ROAD PAVEMENTS
Abstract
The paper presents the theoretical analysis concerning the realization conditions of the capping layer in Romania, in comparison with the stipulations of other technical norms, especially the French ones. The authors aim at emphasizing the technical solutions which can be applied in different situations to obtain a high bearing capacity at the bottom of the pavement, with beneficial effects on the reduction of the road layer thickness and a better operational behavior. The comparative analysis will show that several values of the bearing capacity at the earthworks level can coexist in the pavement dimensioning. It is important that the value taken into consideration in the calculation does not decrease during operation. On the other hand, the site verification of the quality conditions designed for the upper level of the earthworks bears a significant importance before the realization of the pavement. The paper also presents the technical solutions favored by the specialists in the south-west Romania for the realization of the capping layer, pointing out the advantages and drawbacks which can lead to changes in the today outlook.
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References8
AUSSEDAT G. et.al, Catalogue des structures des chaussées. Guide technique pour l’utilisation des matériaux régionaux d’Ile-de-France, Laboratoire Régional de l’Ouest Parisien, France, 2003;
CIOPEC A., ROMAN L., COSTESCU C., Analysis of the Foundation Solutions for an Assembly of Tall Buildings, 14th International Multidisciplinary Scientific Geoconference SGEM, Bulgaria, pp. 63-70, 2014;
IUREȘ L., BADEA C., DAN S., Sustainable Self Compacted Concrete realized with Industrial Wastes, 13th International Multidisciplinary Scientific Geoconference SGEM, Bulgaria, pp. 443-448, 2013;
MIREA M., CIOPEC A., VOICU C., Case Studies Concerning the Impact of the Foundation Ground upon the Distress and Deterioration of Roads in the Banat Plain Area, 15th International Multidisciplinary Scientific Geoconference SGEM, Bulgaria, pp. 149-156, 2016;
* * * Réalisation des remblais et des couches de forme. Principes généraux. 2ème édition, Le Laboratoire Central des Ponts et Chaussées, Paris, France, 2000;
* * * Catalogue de structures types des chaussées neuves, SETRA, France, 1998;
* * * Instrucțiuni privind controlul compactării terasamentelor. (Guide concerning the earthworks compaction) Norm AND 530-2012, Romania, 2012;
* * * Normativ privind dimensionarea structurilor rutiere suple și mixte. (Standard concerning the design of flexible and semi-rigid pavements) Norm PD 177-2001, Romania, 2001.
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Number of times cited according to Crossref: 2
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