Guía para el diseño de pavimentos rígidos en vías urbanas con aplicación en municipios con poblaciones menores a 50 000 habitantes

Abstract

The objective of this monograph is to present a design guide for rigid pavements for urban roads with application in municipalities with populations of less than fifty thousand inhabitants, based on the study of the different design methods most used in the country. For this, an exploration of the existing methods (AASHTO, PCA, INVIAS, IDU) was carried out, in order to identify the variables required by each of these when carrying out the structural design of the rigid pavement, and thus be able to compare and establish them the variables and parameters that must be taken into account in the design guide object of this monograph.

The AASTHO 93 method is the method that best adopts the required conditions, as it is the most technically complete and the one that projects the best results from an economic point of view. For these reasons, this methodology is the main basis for the elaboration of the guide; whose main contribution is the remembrance of constant values for some variables used in the AASHTO 93 method that allowed simplifying the general formula, facilitating its use when calculating the slab thickness.

Taking into account the population object of this monograph in which high volumes of commercial vehicles are not expected, the study corresponding to the PCA 84 method was only considered as a verification tool for the fatigue and erosion analyzes. It is worth noting that the Colombian methodologies adopted by INVIAS and IDU contemplate sections of the AASHTO 93 methodology, but its scope is focused on its implementation on highways and in large cities.